Herman Group

Book Chapters

2015

''Chapter 4: Femtosecond Laser Inscription of Photonic and Optofluidic Devices in Fiber Cladding,'' J. R. Grenier, M. Haque, L. A. Fernandes, K. K. C. Lee, and P. R. Herman, appearing in Springer Series in Optical Sciences, 189, Ed. G. Marowsky (ISBN 978-1-4939-1178-3) (2015)


2012

''Chapter 7: Passive Photonic Devices in Glass,'' S. M. Eaton and P. R. Herman, appearing in Topics in Applied Physics, 123, Ed. R. Osellame (ISBN 978-3-642-23366-1) (2012)



''Chapter 9: 3D Bragg Grating Waveguide Devices,'' H. Zhang and P. R. Herman, appearing in Topics in Applied Physics, 123, Ed. R. Osellame (ISBN 978-3-642-23366-1) (2012)





Patent

    2011

  1. Method of material processing by laser filamentation
    Patent No.: US20130126573 A1
    Inventors: S. A. Hosseini and P. R. Herman
    Status: Application
    Filling Date: May 23, 2011
  2. 2008

  3. Multipulse system for writing waveguides, gratings, and integrated optical circuits
    Patent No.: US20120039567 A1
    Inventors: P. R. Herman, H. Zhang, and S. M. Eaton
    Status: Application
    Filling Date: March 14, 2008

  4. Generation of burst of laser pulses
    Patent No.: US20110182306 A1
    Inventors: A. S. Hosseini, P. R. Herman, and T. H. Bergmann
    Status: Application
    Filling Date: February 19, 2008
  5. 2007

  6. Optical devices and digital laser method for writing waveguides, gratings, and integrated optical circuits
    Patent No.: US8270788
    Inventors: P. R. Herman and H. Zhang
    Status: Grant
    Filling Date: May 18, 2007
  7. 2001

  8. Multi-spectral fluorescence imaging and spectroscopy device
    Patent No.: US20020049386 A1
    Inventors: V. X. D. Yang, B. C. Wilson, P. J. Muller, P. R. Herman
    Status: Application
    Filling Date: October 5, 2001

  9. Burst-ultrafast laser machining method
    Patent No.: US6552301
    Inventors: P. R. Herman, R. Marjoribanks, and A. Oettl
    Status: Grant
    Filling Date: January 25, 2001




Journal Publications

    2020

  1. ''Ultracompact Lens-Less "Spectrometer in Fiber" Based on Chirped Filament-Array Gratings'' A. Rahnama, K. M. Aghdami, Y. H. Kim, P. R. Herman, Advanced Photonics Research, 1, 202000026 (2020)
  2. ''Inhibition and enhancement of linear and nonlinear optical effects by conical phase front shaping for femtosecond laser material processing'' E. Alimohammadian, E. Ertorer, E. Uzeda, J. Li, P. R. Herman, Scientific Reports, 10, 21528 (2020)
  3. ''Compensating deep focusing distortion for femtosecond laser inscription of low-loss optical waveguides'' E. Alimohammadian, S. Liu, M. Salehizadeh, J. Li, P. R. Herman, Optics Letter, 45, 215286306 (2020)
  4. 2019

  5. "Femtosecond laser additive and subtractive micro-processing: enabling a high-channel-density silica interposer for multicore fibre to silicon-photonic packaging'' G. Djogo, J. Li, S. Ho, M. Haque, E. Ertorer, J. Liu, X. Song, J. Suo, P. R. Herman, International Journal of Extreme Manufacturing, 1, 215286306 (2019)
  6. 2018

  7. "Ultrafast laser burst-train filamentation for non-contact scribing of optical glasses'' J. Li, E. Ertorer, P. R. Herman, Optics Express, 27, 25078 (2018)
  8. "Femtosecond laser filaments for rapid and flexible writing of fiber Bragg grating'' E. Ertorer, M. Haque, J. Li, P. R. Herman, Optics Express, 26, 9323 (2018)
  9. "Visually Imperceptible Liquid-Metal Circuits for Transparent, Stretchable Electronics with Direct Laser Writing'' C.Pan, K. Kumar, J. Li, E, J. Markvicka, P. R. Herman, C. Majidi, Advanced Materials, 30, 1706937 (2018)
  10. "Improved charging and strain rates by laser perforating polypyrrole actuator electrodes'' K.K.C. Lee, Y. Dobashi, P.R. Herman, J.D.W. Madden,V.X.D Yang Smart Materials and Structures, 28, 015028 (2018)
  11. 2017

  12. "Integration of an O-band VCSEL on silicon photonics with polarization maintenance and waveguide coupling'' Y. Yang, G. Djogo, M. Haque, P.R. Herman, JKS. Poon, Optics Express, 25, 5758 (2017)
  13. ''Second harmonic generation via femtosecond laser fabrication of poled, quasi-phase-matched waveguides in fused silica'' J. C. Ng, P. R. Herman, L. Qian, Optics Letter, 42, 195 (2017)
  14. 2015

  15. ''Layered nano-gratings by electron beam writing to form 3-level diffractive optical elements for 3D phase-offset holographic lithography,'' L. Yuan and P. R. Herman, Nanoscale, 7, 19905-19913 (2015)
  16. ''Chemical-assisted femtosecond laser writing of optical resonator arrays,'' M. Haque and P. R. Herman, Laser & Photonics Reviews, 9(6), 656-665 (2015)
  17. ''Chemical-assisted femtosecond laser structuring of waveguide-embedded wavefront-splitting interferometers,'' M. Haque, Y. Shen, A. A. Gawad, and P. R. Herman, Journal of Lightwave Technology, 33(21), 4478-4487 (2015)
  18. INVITED ''Femtosecond laser 3D writing: from smart catheters to distributed lab-in-fiber sensing,'' M. Haque, J. R. Grenier, K. K. C. Lee, L. A. Fernandes, and P. R. Herman, SPIE Newsroom, published online: June 8 2015. DOI: 10.1117/2.1201505.005979 (2015)
  19. ''Femtosecond laser inscription of asymmetric directional couplers for in-fiber optical taps and fiber cladding photonics,'' J. R. Grenier, L. A. Fernandes, and P. R. Herman, Optics Express, 23(13), 16760-16771 (2015)
  20. ''Burst train generator of high energy femtosecond laser pulses for driving heat accumulation effect during micromachining,'' S. Rezaei, J. Li, and P. R. Herman, Optics Letters, 40(9), 2064-2067 (2015)
  21. ''Femtosecond laser writing of phase-tuned volume gratings for symmetry control in 3D photonic crystal holographic lithography,'' L. Yuan, M. L. Ng, and P. R. Herman, Optical Materials Express, 5(3), 515-529 (2015)
  22. ''Fiber optic stress-independent helical torsion sensor,'' L. A. Fernandes, J. R. Grenier, J. S. Aitchison, and P. R. Herman, Optics Letters, 40(4), 657-660 (2015)
  23. 2014

  24. INVITED ''Interferometric femtosecond laser processing for nanostructuring inside thin film,'' S. Ho, K. Kumar, K. K. C. Lee, J. Li, and P. R. Herman, Advanced Optical Technologies, 3(5-6), 499-513 (2014)
  25. ''Chemical-assisted femtosecond laser writing of lab-in-fibers,'' M. Haque, K. K. C. Lee, S. Ho, L. A. Fernandes, and P. R. Herman, Lab on a Chip, 14(19), 3817-3829 (2014)
  26. ''Quantized structuring of transparent films with femtosecond laser interference,'' K. Kumar, K. K. C. Lee, J. Li, J. Nogami, N. P. Kherani, and P. R. Herman, Light: Science & Applications, 3, e157 (2014)
  27. INVITED ''Rapid micromachining of high aspect ratio holes in fused silica glass by high repetition rate picosecond laser,'' S. Karimelahi, L. Abolghasemi, and P. R. Herman, Applied Physics A, 114(1), 91-111 (2014)
  28. 2013

  29. ''Strong birefringence tuning of optical waveguides with femtosecond laser irradiation of bulk fused silica and single mode fibers,'' L. A. Fernandes, J. R. Grenier, P. V. S. Marques, J. S. Aitchison, and P. R. Herman, Journal of Lightwave Technology, 31(22), 3563-3569 (2013)
  30. ''Temperature-compensated fiber-optic 3D shape sensor based on femtosecond laser direct-written Bragg grating waveguides,'' K. K. C. Lee, A. Mariampillai, M. Haque, B. A. Standish, V. X. D. Yang, P. R. Herman, Optics Express, 21(20), 24076-24086 (2013)
  31. ''Laser-written photonic crystal optofluidics for electrochromatography and spectroscopy on a chip,'' M. Haque, N. S. Zacharia, S. Ho, and P. R. Herman, Biomedical Optics Express, 4(8), 1472-1485 (2013)
  32. ''Femtosecond laser writing of optical edge filters in fused silica optical waveguides,'' J. R. Grenier, L. A. Fernandes, P. R. Herman, Optics Express, 21(4), 4493-4502 (2013)
  33. ''Ultrafast laser direct hard-mask writing for high efficiency c-Si texture designs,'' K. Kumar, K. K. C. Lee, J. Nogami, P. R. Herman, and N. P. Kherani, EPJ Photovoltaics, 4, 45101 (2013)
  34. 2012

  35. ''Stress induced birefringence tuning in femtosecond laser fabricated waveguides in fused silica,'' L. A. Fernandes, J. R. Grenier, P. R. Herman, J. S. Aitchison, and P. V. S. Marques, Optics Express, 20(22), 24103-24114 (2012)
  36. ''Femtosecond Laser Fabrication of Phase-Shifted Bragg Grating Waveguides in Fused Silica,'' J. R. Grenier, L. A. Fernandes, J. S. Aitchison, P. V. S. Marques, and P. R. Herman, Optics Letters, 37(12), 2289-2291 (2012)
  37. "Femtosecond Laser Direct Hard Mask Writing for Selective Facile Micron-Scale Inverted-Pyramid Patterning of Silicon," K. Kumar, K. K. C. Lee, P. R. Herman, J. Nogami, and N. P. Kherani, Applied Physics Letters, 101(22), 222106-5 (2012)
  38. "Nanograting Bragg responses of femtosecond laser written optical waveguides in fused silica glass," J. Li, S. Ho, M. Haque, and P. R. Herman, Optical Materials Express, 2(11), 1562-1570 (2012)
  39. "Coherent stitching of light in multilayered diffractive optical elements," M. L. Ng, D. Chanda, and P. R. Herman, Optics Express, 20(21), 23960-23970 (2012)
  40. "Femtosecond laser fabrication of flat-top interleaver via cascaded Mach-Zehnder Interferometers," J. C. Ng, C. Li, P. R. Herman, and L. Qian, Optics Express, 20(16), 17894-17903 (2012)
  41. "Femtosecond laser-assisted etching of three-dimensional inverted-woodpile structures in fused silica," S. Ho, M. Haque, P. R. Herman, and J. S. Aitchison, Optics Letters, 37(10), 1682-1684 (2012)
  42. ''Endovascular optical coherence tomography intensity kurtosis: visualization of vasa vasorum in porcine carotid artery,'' K. H. Y. Cheng, C. Sun, B. Vuong, K. K. C. Lee, A. Mariampillai, T. R. Marotta, J. Spears, W. J. Montanera, P. R. Herman, T.-R. Kiehl, B. A. Standish, and V. X. D. Yang, Biomedical Optics Express, 3(3), 388-399 (2012)
  43. INVITED ''Single- and multi-scan femtosecond laser writing for selective chemical etching of cross section patternable glass micro-channels,'' S. Ho, P. R. Herman, and J. S. Aitchison, Applied Physics A, 106(1), 5-13 (2012)
  44. ''Microstructuring of Polypyrrole by Maskless Direct Femtosecond Laser Ablation,'' K. K. C. Lee, P. R. Herman, T. Shoa, M. Haque, J. D. W. Madden, and V. X. D. Yang, Advanced Materials, 24(9), 1243-1246 (2012)
  45. 2011

  46. ''Femtosecond laser writing of waveguide retarders in fused silica for polarization control in optical circuits,'' L. A. Fernandes, J. R. Grenier, P. R. Herman, J. S. Aitchison, and P. V. S. Marques, Optics Express, 19(19), 18294-18301 (2011)
  47. ''Integrated optical temporal Fourier transformer based on a chirped Bragg grating waveguide,'' K. Dolgaleva, A. Malacarne, P. Tannouri, L. A. Fernandes, J. R. Grenier, J. Aitchison, J. Azana, R. Morandotti, P. R. Herman, and P. V. Marques, Optics Letters, 36(22), 4416-4418 (2011)
  48. ''Femtosecond laser fabrication of birefringent directional couplers as polarization beam splitters in fused silica,'' L. A. Fernandes, J. R. Grenier, P. R. Herman, J. S. Aitchison, and P. V. S. Marques, Optics Express, 19(13), 11992-11999 (2011)
  49. ''Escrita de dispositivos ópticos integrados com laser de femtosegundos,'' L. A. Fernandes, J. R. Grenier, P. R. Herman, J. S. Aitchison, and P. V. S. Marques, Gazeta de Física, 34(1), 17-21 (2011)
  50. ''Time dynamics of burst-train filamentation assisted femtosecond laser machining in glasses,'' D. Esser, S. Rezaei, J. Li, P. R. Herman, and J. Gottmann, Optics Express, 19(25), 25632-25642 (2011)
  51. ''High refractive index contrast in fused silica waveguides by tightly focused, high-repetition rate femtosecond laser,'' S. M. Eaton, M. L. Ng, R. Osellame, and P. R. Herman, Journal of Non-Crystalline Solids, 357(11-13), 2387-2391 (2011)
  52. 2009

  53. ''Flexible fabrication of three-dimensional optical-domain photonic crystals using a combination of single-laser-exposure diffractive-optics lithography and template inversion,'' D. Chanda, N. Zachari, M. Haque, M. L. Ng, and P. R. Herman, Optics Letters, 34(24), 3920-3922 (2009)
  54. ''Femtosecond laser written optofluidic sensor: Bragg grating waveguide evanescent probing of microfluidic channel,'' Valeria Maselli, Jason R. Grenier, Stephen Ho, and Peter R. Herman, Optics Express, 17(14), 11719-11729 (2009)
  55. ''Chirped Bragg Grating Waveguides Directly Written Inside Fused Silica Glass With an Externally Modulated Ultrashort Fiber Laser,'' H. Zhang, and P. R. Herman, Photonics Technology Letters, 21(5), 277-279 (2009)
  56. ''Spectral Loss Characterization of Femtosecond Laser Written Waveguides in Glass With Application to Demultiplexing of 1300 and 1550 nm Wavelengths,'' S. M. Eaton, W.-J. Chen, H. Zhang, R. Iyer, J. Li, M. Ng, S. Ho, J. S. Aitchison, and P. R. Herman, Journal of Lightwave Technology, 27(9), 1079-1085 (2009)
  57. 2008

  58. ''Multi-level diffractive optics for single laser exposure fabrication of telecom-band diamond-like 3-dimensional photonic crystals,'' D. Chanda, L. E. Abolghasemi, M. Haque, M. L. Ng, and P. R. Herman, Optics Express, 16(20), 15402-15414 (2008)
  59. ''Three-dimensional optical sensing network written in fused silica glass with femtosecond laser,'' H. Zhang, S. Ho, S. M. Eaton, J. Li, and P. R. Herman, Optics Express, 16(18), 14015-14023 (2008)
  60. ''Confocal Raman imaging of optical waveguides in LiNbO3 fabricated by ultrafast high-repetition rate laser-writing,'' A. Ródenas, A. H. Nejadmalayeri, D. Jaque, and P. R. Herman, Optics Express, 16(18), 13979-13989 (2008)
  61. ''Broadband directional couplers fabricated in bulk glass with high repetition rate femtosecond laser pulses,'' W.-J. Chen, S. M. Eaton, H. Zhang, and P. R. Herman, Optics Express, 16(15), 11470-11480 (2008)
  62. ''Transition from thermal diffusion to heat accumulation in high repetition rate femtosecond laser writing of buried optical waveguides,'' S. M. Eaton, H. Zhang, M. L. Ng, J. Li, W. Chen, S. Ho, and P. R. Herman, Optics Express, 16(13), 9443-9458 (2008)
  63. ''Single laser exposure fabrication of diamond-like 3-dimensional photonic crystal microstructures using circularly polarized light,'' D. Chanda, L. Abolghasemi, and P. R. Herman, Applied Physics A, 93(1), 33-37 (2008)
  64. ''Laser machining of micro-lenses on the end face of single-mode optical fibers,'' J. Dou, J. Li, P. R. Herman, J. S. Aitchison, T. Fricke-Begemann, J. Ihlemann, and G. Marowsky, Applied Physics A, 91(4), 591-594 (2008)
  65. ''Low-loss waveguides fabricated in BK7 glass by high repetition rate femtosecond fiber laser,'' S. M. Eaton, M. L. Ng, J. Bonse, A. Mermillod-Blondin, H. Zhang, A. Rosenfeld, and P. R. Herman, Applied Optics, 47(12), 2098-2102 (2008)
  66. ''Raman gain from waveguides inscribed in KGd(WO₄)₂ by high repetition rate fs laser,'' S. M. Eaton, C. A. Merchant, R. Iyer, A. J. Zilkie, A. S. Helmy, J. S. Aitchison, P. R. Herman, D. Kraemer, R. J. D. Miller, C. Hnatovsky, and R. S. Taylor, Applied Physics Letters, 92, 081105 (2008)
  67. 2007

  68. ''Solar CIV vacuum-ultraviolet Fabry-Perot interferometers,'' G. A. Gary, E. A. West, D. Rees, J. A. McKay, M. Zukic, and P. R. Herman, Astronomy and Astrophysics, 461(2), 707-722 (2007)
  69. ''In-fiber colloidal photonic crystals and the formed stop band in fiber longitudinal direction,'' Y. Lin, P. R. Herman, and W. Xu, Journal of Applied Physics, 102, 073106 (2007)
  70. ''Solid phase formation of silicon nanocrystals by bulk ultrafast laser-matter interaction,'' A. H. Nejadmalayeri, P. Scrutton, J. Mak, A. S. Helmy, P. R. Herman, J. Burghoff, S. Nolte, A. Tuennermann, and J. Kaspar, Optics Letters, 32(24), 3474-3476 (2007)
  71. ''Single-step writing of Bragg grating waveguides in fused silica with an externally modulated femtosecond fiber laser,'' H. Zhang, S. M. Eaton, and P. R. Herman, Optics Letters, 32(17), 2559-2561 (2007)
  72. ''Rapid thermal annealing in high repetition rate ultrafast laser waveguide writing in lithium niobate,'' A. H. Nejadmalayeri and P. R. Herman, Optics Express, 15(17), 10842-10854 (2007)
  73. ''Type II high-strength Bragg grating waveguides photowritten with ultrashort laser pulses,'' H. Zhang, S. M. Eaton, J. Li, A. H. Nejadmalayeri, and P. R. Herman, Optics Express, 15(7), 4182-4191 (2007)
  74. ''Phase tunable multilevel diffractive optical element based single laser exposure fabrication of three-dimensional photonic crystal templates,'' D. Chanda, and P. R. Herman, Applied Physics Letters, 91, 061122 (2007)
  75. 2006

  76. ''High-strength fiber Bragg gratings for a temperature-sensing array,'' X. J. Gu, L. Guan, Y. He, H. B. Zhang, and P. R. Herman, IEEE Sensors Journal, 6(3), 668-671 (2006)
  77. ''F₂-laser patterning of indium tin oxide (ITO) thin film on glass substrate,'' M. Y. Xu, J. Li, L. D. Lilge, and P. R. Herman, Applied Physics A, 85(1), 7-10 (2006)
  78. ''Telecom-band Directional Coupler Written with femtosecond Fiber Laser,'' S. M. Eaton, W. Chen, L. Zhang, H. Zhang, R. Iyer, J. S. Aitchison, and P. R. Herman, IEEE Photonics Technology Letters, 18(20), 2174-2176 (2006)
  79. ''Femtosecond laser direct writing of multiwavelength Bragg grating waveguides in glass,'' H. Zhang, S. M. Eaton, J. Li, and P. R. Herman, Optics Letters, 31(23), 3495-3497 (2006)
  80. ''Type II femtosecond laser writing of Bragg grating waveguides in bulk glass,'' H. Zhang, S. M. Eaton, J. Li, and P. R. Herman, Electronics Letters, 42(21), 1223-1224 (2006)
  81. ''Low-loss Type II waveguide writing in fused silica with single ps laser pulses,'' H. Zhang, S. M. Eaton, and P. R. Herman, Optics Express, 14(11), 4826-4834 (2006)
  82. ''A spectroscopic comparison of fs-laser-modified fused silica using kHz and MHz lasers,'' W. J. Reichman, D. M. Krol, L. Shah, F. Yoshino, A. Arai, S. M. Eaton, and P. R. Herman, Journal of Applied Physics, 99, 123112 (2006)
  83. ''F₂-laser micromachining of fibre-tipped Mach-Zehnder interferometer,'' J. Li and P. R. Herman, Electronics Letters, 42(10), 572-573 (2006)
  84. ''Fabry-Perot etalons using colloidal photonic crystal mirrors,'' J. Li, L. E. Abolghasemi, P. R. Herman, V. Kitaev, and G. A. Ozin, Optics Letters, 31(24), 3591-3593 (2006)
  85. ''Scalable multichannel micromachining with pseudo-nondiffracting vacuum ultraviolet beam arrays generated by thin-film axicons,'' R. Grunwald, U. Neumann, A. Rosenfeld, J. Li, and P. R. Herman, Optics Letters, 31(11), 1666-1668 (2006)
  86. ''F₂-laser-machined submicrometer gratings in thin dielectric films for resonant grating waveguide applications,'' M. A. Bader, C. Kappel, A. Selle, J. Ihlemann, M. L. Ng, and P. R. Herman, Applied Optics, 45(25), 6586-6590 (2006)
  87. ''One-dimensional diffractive optical element based fabrication and spectral characterization of three-dimensional photonic crystal templates,'' D. Chanda, L. Abolghasemi, and P. R. Herman, Optics Express, 14(19), 8568-8577 (2006)
  88. ''Ultrafast laser waveguide writing: lithium niobate and the role of circular polarization and picosecond pulse width,'' A. H. Nejadmalayeri, P. R. Herman, Optics Letters, 31(20), 2987-2989 (2006)
  89. 2005

  90. ''Heat accumulation effects in fs laser-written waveguides with variable repetition rate,'' S. M. Eaton, H. Zhang, P. R. Herman, F. Yoshino, L. Shah, J. Bovatsek, and A. Y. Arai, Optics Express, 13(12), 4708-4716 (2005).
  91. ''Waveguide writing in fused silica with a fs fiber laser at 522 nm and 1 MHz repetition rate,'' L. Shah, A. Y. Arai, S. M. Eaton, and P. R. Herman, Optics Express, 13(6), 1999-2006 (2005)
  92. ''157 nm F2 laser writing of silica optical waveguides in silicone rubber,'' M. Okoshi, J. Li, and P. R. Herman, Optics Letters, 30(20), 2730-2732 (2005)
  93. ''F₂ laser digital etching of colloidal photonic crystals,'' J. Li, P. R. Herman, V. Kitaev, S. Wong, and G. A. Ozin, Applied Physics Letters, 87(14), 141106 (2005)
  94. ''Colloidal photonic crystal cladded optical fibers: Towards a new type of photonic band gap fiber,'' J. Li, P. R. Heman, C. E. Valdivia, V. Kitaev, and G. A. Ozin, Optics Express, 13(17), 6454-6459 (2005)
  95. ''Effect of structural variation on the photonic band grap in woodpile photonic crystal with body-centered cubic symmetry,'' Y. Lin and P. R. Herman, Journal of Applied Physics, 98(6), 063104 (2005)
  96. ''Proposed single-exposure holographic fabrication of microshere-type photonic crystals through phase-mask techniques,'' Y. Lin, P. R. Herman, and E. L. Abolghasemi, Journal of Applied Physics, 97(9), 096102 (2005)
  97. ''Photonic band structure of colloidal crystal self-assembled in hollow core optical fiber,'' Y. Lin, P. R. Herman, C. E. Valdivia, J. Li, V. Kitaev, and G. A. Ozin, Applied Physics Letters, 86(12), 121106 (2005).
  98. ''Design and holographic fabrication of tetragonal and cubic photonic crystals with phase mask: toward the mass-production of three-dimensional photonic crystals,'' Y. Lin, P. R. Herman, and K. Darmawikarta, Applied Physics Letters, 86(7), 071117 (2005)
  99. ''Inscription of optical waveguides in crystalline silicon by mid-infrared femtosecond laser pulses,'' A. H. Nejadmalayeri, P. R. Herman, J. Burghoff, M. Will, S. Nolte, and A. Tuennermann, Optics Letters, 30(9), 964-966 (2005)
  100. 2004

  101. ''Microfabricated system for parallel single-cell capillary electrophoresis,'' N. R. Munce, J. Z. Li, P. R. Herman, and L. Lilge, Analytical Chemistry, 76(17), 4983-4989 (2004)
  102. 2003

  103. ''Photosensitization of standard fibers with deep UV laser radiation,'' K. P. Chen and P. R. Herman, Journal of Lightwave Technology, 21(9), 1958-1968 (2003)
  104. ''Vacuum-ultraviolet laser-induced refractive-index change and birefringence in standard optical fibers,'' K. P. Chen, P. R. Herman, R. Taylor, and C. Hnatovsky, Journal of Lightwave Technology, 21(9), 1969-1977 (2003)
  105. ''A multispectral fluorescence imaging system: Design and initial clinical tests in intra-operative Photofrin-photodynamic therapy of brain tumors,'' V. X. D. Yang, P. J. Muller, P. R. Herman, and B. C. Wilson, Lasers in Surgery and Medicine, 32(3), 224-232 (2003)
  106. ''Photosensitivity and application with 157-nm F₂ laser radiation in planar lightwave circuits,'' K. P. Chen, P. R. Herman, and R. Taylor, Journal of Lightwave Technology, 21(1), 140-148 (2003)
  107. ''Fabrication of submicron gratings in fused silica by F2-laser ablation,'' J. Ihlemann, S. Muller, S. Puschmann, D. Schafer, M. Wei, J. Li, and P. R. Herman, Applied Physics A, 76(5), 751-753 (2003)
  108. 2002

  109. ''Strong fiber Bragg grating fabrication by hybrid 157- and 248-nm laser exposure,'' K. P. Chen, P. R. Herman, and R. Tam, IEEE Photonics Technology Letters, 14(2), 170-172 (2002)
  110. ''Trimming phase and birefringence errors in photosensitivity-locked planar optical circuits,'' K. P. Chen and P. R. Herman, IEEE Photonics Technology Letters, 14(1), 71-73 (2002)
  111. ''Strong 157 nm F2-laser photosensitivity-locking of hydrogen-loaded telecommunication fibre for 248 nm fabrication of long-period gratings,'' K. P. Chen, X. Wei, and P. R. Herman, Electronics Letters, 38(1), 17-19 (2002)
  112. ''Photosensitisation of silica planar lightwave interleaver for phase error correction,'' K. P. Chen and P. R. Herman, Electronics Letters, 38(1), 24-26 (2002)
  113. 2001

  114. ''Advanced lasers for photonic device microfabrication,'' P. R. Herman, K. P. Chen, P. Corkum, A. Naumov, S. Ng, and J. Zhang, RIKEN Review, 32, 31-35 (2001)
  115. ''Enhancement and tuning of fibre Bragg grating reflection by 157 nm F₂-laser post exposure,'' K. P. Chen and P. R. Herman, Electronics Letters, 37(13), 822-823 (2001)
  116. ''Fabrication of strong long-period gratings in hydrogen-free fibers with 157-nm F₂-laser radiation,'' K. P. Chen, P. R. Herman, J. Zhang, and R. Tam, Optics Letters, 26(11), 771-773 (2001)
  117. ''F₂-laser ablation patterning of dielectric layers,'' D. Schafer, J. Ihlemann, G. Marowsky, and P. R. Herman, Applied Physics A, 72(3), 377-379 (2001)
  118. 2000

  119. ''Rapid long-period grating formation in hydrogen-loaded fibre with 157 nm F₂-laser radiation,'' K. P. Chen, P. R. Herman, R. Tam, and J. Zhang, Electronics Letters, 36(24), 2000-2001 (2000)
  120. ''Intense Picosecond X-Ray Pulses from Laser Plasmas by Use of Nanostructured Velvet Targets,'' G. Kulcsar, D. AlMawlawi, F. W. Budnik, P. R. Herman, M. Moskovits, L. Zhao, and R. S. Marjoribanks, Physical Review Letters, 84, 5149–5152 (2000)
  121. ''Laser shaping of photonic materials: deep ultraviolet and ultrafast lasers,'' P. R. Herman, R. S. Marjoribanks, A. Oettl, K. P. Chen, I. Konovalov, and S. Ness, Applied Surface Science, 154-155(1), 577-586 (2000)
  122. 1999

  123. ''Ultra high repetition rate (133 MHz) laser ablation of aluminum with 1.2-ps pulses,'' M. Lapczyna, K. P. Chen, P. R. Herman, H. W. Tan, R. S. Marjoribanks, Applied Physics A, 69(1), S883-S886 (1999)
  124. 1998

  125. ''Radiation Effects of Vacuum Ultraviolet Lasers on Silica Glasses,'' K. Kurosawa, P. R. Herman, and W. Sasaki, Journal of Photopolymer Science and Technology, 11(2), 367-372 (1998)
  126. ''Vacuum–ultraviolet pulsed-laser deposition of silicon dioxide thin films,'' B. D. Jackson and P. R. Herman, Applied Surface Science, 127-129, 595-600 (1998).
  127. ''Laser cleaning of ablation debris from CO2-laser-etched vias in polyimide,'' K. Couplanda, P. R. Herman, and B. Gu, Applied Surface Science, 127-129, 731-737 (1998)
  128. 1997

  129. ''X-ray radiation effects on second-harmonic generation in thermally poled silica glass,'' A. Kameyama, E. Muroi, A. Yokotani, K. Kurosawa, and P. R. Herman, Journal of the Optical Society of America B, 14(5), 1088-1092 (1997)
  130. 1996

  131. ''Picosecond pumping of extreme-ultraviolet lasers using preformed laser plasmas,'' H. Yamakoshi, P. R. Herman, M. P. Le Flohic, B. Xiao, L. Zhao, G. Kulcsar, F. W. Budnik, and R. S. Marjoribanks, Journal of the Optical Society of America B, 13(2), 436-442. (1996)
  132. 1994

  133. ''A practical self-healing mercury target for efficient generation of soft x-ray radiation,'' H. Yamakoshi, C. T. Chin, S. Jaimunga, P. R. Herman, L. Zhao, G. Kulcsar, F. W. Budnik, and R. S. Marjoribanks, Review of Scientific Instruments, 65(6), 1964-1967 (1994)
  134. 1993

  135. ''Reaction processes in a He₂⁺ (C² Πᵤ → A² Σg⁺) flash lamp,'' P. C. Hill and P. R. Herman, Physical Review A, 47(6), 4837 (1993)
  136. ''Spectral widths of a F₂ (D'³Π₂g → A'³Π₂u) laser,'' P. C. Hill, P. R. Herman, and R. Sia, Journal of Applied Physics, 73, 5274 (1993)
  137. 1992

  138. ''Vacuum Ultraviolet Laser Ablation of Teflon (PTFE),'' P. R. Herman, B. Chen, and D. J. Moore, MRS Proceedings, 285, 163-168 (1992).
  139. 1991

  140. ''Photoablation Studies of Polymers, Quartz, and Semiconductors with Vacuum Ultraviolet Laser Radiation,'' P. R. Herman, B. Chen, D. J. Moore, and M. Canaga-Retnam, MRS Proceedings, 236, 53-58 (1991)
  141. ''X-ray laser gain measurements in a collisionally excited germanium plasma,'' G. D. Enright, D. M. Villeneuve, J. Dunn, H. A. Baldis, J. C. Kieffer, H. Pépin, M. Chaker, and P. R. Herman, Journal of the Optical Society of America B, 8(10), 2047-2052 (1991)
  142. 1990

  143. ''Observation of gain at 54.2 Å on balmer-alpha transition of hydrogenic sodium,'' Y. Kato, E. Miura, T. Tachi, H. Shiraga, H. Nishimura, H. Daido, M. Yamanaka, T. Jitsuno, M. Takagi, P. R. Herman, H. Takabe, S. Nakai, C. Yamanaka, M. H. Key, G. J. Tallents, S. J. Rose, and P. T. Rumsby, Applied Physics B, 50(4), 247-256 (1990)
  144. 1988

  145. ''Soft X-ray recombination laser research at the Institute of Laser Engineering,'' P. R. Herman, T. Tachi, K. Shihoyama, H. Shiraga, and Y. Kato, IEEE Transactions on Plasma Science, 16(5), 520-528 (1988)
  146. ''Vacuum ultraviolet laser spectroscopy. V. Rovibronic spectra of Ar2 and constants of the ground and excited states,'' P. R. Herman, P. E. LaRocque, and B. P. Stoicheff, Journal of Chemical Physics, 89, 4535 (1988)
  147. 1987

  148. ''Rovibronic spectra of Ar2 and coupling of rotation and electronic motion,'' P. R. Herman, A. A. Madej, and B. P. Stoicheff, Chemical Physics Letters, 134(3), 209-213 (1987)
  149. 1986

  150. ''Radiative Lifetimes of Argon Molecules and Dependence on Internuclear Distance,'' A. A. Madej, P. R. Herman, and B. P. Stoicheff, Physical Review Letters, 57, 1574 (1986)
  151. ''Vacuum ultraviolet laser spectroscopy. IV. Spectra of Kr2 and constants of the ground and excited states,'' P. E. LaRocque, R. H. Lipson, P. R. Herman, and B. P. Stoicheff, Journal of Chemical Physics, 84, 6627 (1986)
  152. 1985

  153. ''Vacuum ultraviolet laser spectroscopy III: laboratory sources of coherent radiation tunable from 105 to 175 nm using Mg, Zn, and Hg vapors,'' P. R. Herman, P. E. LaRocque, R. H. Lipson, W. Jamroz, and B. P. Stoicheff, Canadian Journal of Physics, 63(12), 1581-1588 (1985)
  154. ''Tunable extreme-ultraviolet radiation from 105 to 87.5 nm using Hg vapor,'' P. R. Herman and B. P. Stoicheff, Optics Letters, 10(10), 502-504 (1985)
  155. 1983

  156. ''New approach to the measurement of the thermal conductivity of electrical conductors,'' J. G. Cook and P. R. Herman, Review of Scientific Instruments, 54, 26 (1983)




Conference Proceedings

    2015

  1. ''Direct write of optofluidic lab-in-fiber sensors through polymer-coated optical fiber,'' K. A. J. Joseph, M. Haque, J. R. Grenier, and P. R. Herman, in Photonics North 2015, Ottawa, Canada (Accepted: April 28 2015)
  2. 2014

  3. INVITED ''3D Femtosecond Laser Processing: Towards Multi-functional Lab-in-fibre,'' P. R. Herman, J. R. Grenier, M. Haque, and K. K. C. Lee, in Advanced Photonics (Optical Society of America, 2014), paper BW2D.1 (July 2014)
  4. ''Ultrashort Pulsed Laser Processing: Quantum Ejection in Transparent Thin Film and their Promising Applications,'' P. R. Herman, K. Kumar, K. K. C. Lee, J. Li, S. Ho, and J. Nogami, in 1st Smart Laser Processing Conference, Yokohama, Japan (April 2014)
  5. ''Temperature-compensated fiber optic 3D shape sensor using femtosecond laser direct-written Bragg grating waveguides,'' K. K. C. Lee, A. Mariampillai, M. Haque, B. A. Standish, V. X. D. Yang, and P. R. Herman, Proc. SPIE 8972, Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XIV, 897210-897210-7 (Published Online: March 7 2014).
  6. 2013

  7. INVITED ''Femtosecond Laser Structuring in Optical Fiber and Transparent Films,'' P. R. Herman, K. H. Y. Cheng, J. R. Grenier, M. Haque, and K. K. C. Lee, MATEC Web of Conferences 8, 05010 (Published Online: November 18 2013).
  8. ''Direct-Write Laser Scanning Holography for Size-Scalable 3D Photonic Crystal Integrated Optofluidics,'' L. Yuan and P. R. Herman, in CLEO: 2013, OSA Technical Digest (online) (Optical Society of America, 2013), paper CTh1J.4 (June 2013).
  9. ''Coherent Stitching of Light in Femtosecond Laser Formed Multi-Layered Volume Gratings,'' M. L. Ng, D. Chanda, and P. R. Herman, in CLEO: 2013, OSA Technical Digest (online) (Optical Society of America, 2013), paper CM3H.7 (June 2013).
  10. ''Femtosecond Laser-Written Couplers in Fused Silica Fiber: Towards Fiber Cladding Optical Circuits,'' H. Y. Cheng, J. Grenier, and P. R. Herman, in CLEO: 2013, OSA Technical Digest (online) (Optical Society of America, 2013), paper CM1H.3 (June 2013).
  11. ''Controlling Laser Ablation inside Transparent Thin Films,'' K. Kumar, K. K. C. Lee, J. Li, J. Nogami, N. P. Kherani, and P. R. Herman, in CLEO: 2013, OSA Technical Digest (online) (Optical Society of America, 2013), paper ATu2N.1 (June 2013).
  12. ''Laser ablation inside transparent thin films,'' K. Kumar, K. K. C. Lee, J. Li, J. Nogami, P. R. Herman, and N. P. Kherani, in Lasers and Electro-Optics Europe (CLEO EUROPE/IQEC), 2013 Conference on and International Quantum Electronics Conference (May 2013).
  13. ''Coherent stitching of light in femtosecond laser formed multi-layered volume gratings,'' M. L. Ng, D. Chanda, and P. R. Herman, in Lasers and Electro-Optics Europe (CLEO EUROPE/IQEC), 2013 Conference on and International Quantum Electronics Conference (May 2013).
  14. 2012

  15. ''Ultrafast laser direct hard-mask writing for high performance inverted-pyramidal texturing of silicon,'' K. Kumar, K. K. C. Lee, J. Nogami, and P. R. Herman, in Photovoltaic Specialists Conference (PVSC), 2012 38th IEEE, 002182-002185, (June 2012).
  16. INVITED ''New realms of ultrafast laser interactions for photonic, photovoltaic, and optofluidic applications,'' P. R. Herman, J. Grenier, S. Ho, K. Kumar, J. Li, and J. Ng, in Proceedings 77th Laser Material Processing Conference, Osaka, Japan (May 2012)
  17. ''Anti-Reflection Monocrystalline Silicon Using a Laser Written Mask and Chemical Etching,'' K. Kumar, K. K. C. Lee, J. Nogami, P. R. Herman, and N. Kherani, in Silicon PV, 2nd International Conf. on Crystalline Silicon Photovoltaics, Leuven, Belgium (April 2012)
  18. ''Femtosecond laser writing of polarization devices for optical circuits in glass,'' L. A. Fernandes, J. R. Grenier, P. R. Herman, J. S. Aitchison, P. V. S. Marques, in Proc. SPIE 8247, Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XII, 82470M (Published Online: February 9 2012).
  19. ''Feasibility of endovascular optical coherence tomography for high-resolution carotid vessel wall imaging,'' K. H. Y. Cheng, C. Sun, J. P. Cruz, T. R. Marotta, J. Spears, W. J. Montanera, P. R. Herman, A. Thind, B. Courtney, B. A. Standish, and V. X. D. Yang , in Proc. SPIE 8207, Photonic Therapeutics and Diagnostics VIII, 82074N (Published Online: February 3 2012).