Dr. Ryszard Stepien Profile

Dr. Ryszard Stepien

Lab. Manager at Institute of Microelectronics and Photonics

SPIE Involvement:

Author

Publications (72)

Proceedings Article | 15 June 2020 Paper

Development of achromatic flat-surface gradient index micro lenses

Ryszard Buczyński, Adam Filipkowski, Hue Thi Nguyen, Dariusz Pysz, Ryszard Stepien, Andrew Waddie, Mohammad Taghizadeh, Rafal Kasztelanic

Proceedings Volume 11522, 115220Y (2020) https://doi.org/10.1117/12.2573777

KEYWORDS: Microlens, Glasses, Lenses, GRIN lenses, Nanostructuring, Nanolithography, Physics, Gradient-index optics, Near infrared, Imaging systems

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Proceedings Article | 18 July 2019 Open Access

Nanostructured core single mode phosphate fiber laser with high slope efficiency (Conference Presentation) (Withdrawal Notice)

Marcin Franczyk, Ryszard Stepien, Adam Filipkowski, Dariusz Pysz, Ryszard Buczyński

Proceedings Volume 10681, 106810W (2019) https://doi.org/10.1117/12.2313134

KEYWORDS: Nanostructuring, Fiber lasers, Optical fibers, Specialty optical fibers

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Proceedings Article | 4 March 2019 Paper

Development of nanostructured GRIN microlenses with temperature-controlled diffusion

Adam Filipkowski, Rafał Kasztelanic, Hue Thi Nguyen, Jaroslaw Cimek, Ryszard Stępień, Dariusz Pysz, Marek Trippenbach, Ryszard Buczynski

Proceedings Volume 10927, 109270N (2019) https://doi.org/10.1117/12.2510485

KEYWORDS: Glasses, Nanostructuring, Microlens, GRIN lenses, Diffusion, Refractive index, Optical components, Gradient-index optics

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Proceedings Article | 24 April 2018 Paper

Formation of optical vortices with all-glass nanostructured gradient index masks

Krzysztof Switkowski, Alicja Anuszkiewicz, Adam Filipkowski, Dariusz Pysz, Ryszard Stepien, Wieslaw Krolikowski, Ryszard Buczynski

Proceedings Volume 10712, 1071215 (2018) https://doi.org/10.1117/12.2317053

KEYWORDS: Refractive index, Optical vortices, Glasses, Nanostructuring, Spiral phase plates, Gradient-index optics, Optical fibers, Nanorods, Physics, Nanolithography

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Proceedings Article | 7 August 2017 Paper

Multiwavelength laser scattering tomography

Jacek Galas, Dariusz Litwin, Marek Wychowaniec, Marek Daszkiewicz, Kamil Radziak, Tomasz Kozłowski, Adam Czyżewski, Jarosław Młyńczak, Krzysztof Kopczyński, Jarosław Kisielewski, Ryszard Stępień, Stefan Sitarek

Proceedings Volume 10445, 1044503 (2017) https://doi.org/10.1117/12.2280320

KEYWORDS: Laser scattering, Tomography, Infrared lasers, Scattering, Opacity, Infrared spectroscopy, Spectroscopy, Light scattering, Cameras, Gallium arsenide, Crystals, Infrared cameras, Visualization, Semiconductor materials, Laser crystals

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Proceedings Article | 8 December 2016 Paper

Pulse laser head with monolithic thermally bonded microchip operating at 1.5 µm wavelength

Jarosław Młyńczak, Krzysztof Kopczyński, Nabil Belghachem, Jarosław Kisielewski, Ryszard Stępień, Marek Wychowaniec, Jacek Galas, Dariusz Litwin, Adam Czyżewski

Proceedings Volume 10159, 1015905 (2016) https://doi.org/10.1117/12.2260673

KEYWORDS: Lasers, Laser bonding, Semiconductor lasers, Pulsed laser operation, Fiber coupled lasers, Mirrors, Laser applications, Diodes, Laser development, Glasses

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Proceedings Article | 7 May 2015 Paper

Soft glass photonic crystal fibres and their applications

Ryszard Buczyński, Mariusz Klimczak, Dariusz Pysz, Grzegorz Stępniewski, Bartłomiej Siwicki, Jarosław Cimek, Ireneusz Kujawa, Bernard Piechal, Ryszard Stępień

Proceedings Volume 9507, 95070G (2015) https://doi.org/10.1117/12.2185164

KEYWORDS: Glasses, Dispersion, Photonic crystal fibers, Silica, Oxides, Refractive index, Structured optical fibers, Infrared radiation, Supercontinuum generation, Transparency

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SPIE Journal Paper | 7 January 2015

Numerical simulations of spectral broadening in all-normal dispersion photonic crystal fiber at various pump pulse conditions

Bartlomiej Siwicki, Mariusz Klimczak, Grzegorz Sobon, Jarosław Sotor, Dariusz Pysz, Ryszard Stepien, Krzysztof Abramski, Ryszard Buczynski

OE, Vol. 54, Issue 01, 016102, (January 2015) https://doi.org/10.1117/12.10.1117/1.OE.54.1.016102

KEYWORDS: Dispersion, Fiber lasers, Photonic crystal fibers, Glasses, Numerical simulations, Pulsed laser operation, Optical engineering, Signal attenuation, Optical fibers, Structured optical fibers

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Proceedings Article | 20 February 2014 Paper

Broadband IR supercontinuum generation in hexagonal lattice tellurite photonic crystal fiber with dispersion optimized for pumping over 1500 nm

Mariusz Klimczak, Grzegorz Stępniewski, Henry Bookey, Dariusz Pysz, Andrew Waddie, Ryszard Stępień, Ajoy Kar, Mohammad Taghizadeh, Ryszard Buczyński

Proceedings Volume 8964, 89640V (2014) https://doi.org/10.1117/12.2039979

KEYWORDS: Solitons, Glasses, Supercontinuum generation, Dispersion, Signal attenuation, Photonic crystal fibers, Fiber lasers, Scanning electron microscopy, Wave propagation, Picosecond phenomena

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Proceedings Article | 20 February 2014 Paper

Influence of pump fiber laser conditions at 1550 nm on broadband infrared supercontinuum generation in all-solid all-normal dispersion photonic crystal fibers

Mariusz Klimczak, Bartłomiej Siwicki, Grzegorz Soboń, Jarosław Sotor, Dariusz Pysz, Ryszard Stępień, Tadeusz Martynkien, Krzysztof Abramski, Ryszard Buczyński

Proceedings Volume 8964, 89640P (2014) https://doi.org/10.1117/12.2037375

KEYWORDS: Dispersion, Fiber lasers, Supercontinuum generation, Photonic crystal fibers, Seaborgium, Capillaries, Pulsed laser operation, Infrared radiation, Glasses, Solitons

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Proceedings Article | 20 February 2014 Paper

Mid-infrared supercontinuum generation using lead-bismuth-gallium-oxide glass-based photonic crystal fibers pumped at 1560 nm

Grzegorz Soboń, Mariusz Klimczak, Jaroslaw Sotor, Karol Krzempek, Dariusz Pysz, Ryszard Stępień, Tadeusz Martynkien, Grzegorz Dudzik, Krzysztof Abramski, Ryszard Buczynski

Proceedings Volume 8964, 89640X (2014) https://doi.org/10.1117/12.2040982

KEYWORDS: Glasses, Supercontinuum generation, Photonic crystal fibers, Mid-IR, Dispersion, Fiber lasers, Optical fibers, Laser systems engineering, Spectroscopy, Oxides

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Proceedings Article | 25 July 2013 Paper

Octave spanning supercontinuum in normal dispersion photonic crystal fiber

B. Siwicki, M. Klimczak, P. Skibinski, T. Martynkien, D. Pysz, R. Stępien, A. Szolno, C. Radzewicz, R. Buczynski

Proceedings Volume 8902, 890215 (2013) https://doi.org/10.1117/12.2031283

KEYWORDS: Dispersion, Glasses, Photonic crystal fibers, Supercontinuum generation, Modulation, Numerical analysis, Four wave mixing, Femtosecond phenomena, Wave propagation, Picosecond phenomena

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Proceedings Article | 25 July 2013 Paper

Development of elliptical nanostructured gradient index microlens

Ryszard Buczynski, Andrew Waddie, Jedrzej Nowosielski, Adam Filipkowski, Dariusz Pysz, Ryszad Stepien, Mohammad Taghizadeh

Proceedings Volume 8902, 890214 (2013) https://doi.org/10.1117/12.2031245

KEYWORDS: Nanostructuring, Glasses, Microlens, Refractive index, Nanolithography, GRIN lenses, Gradient-index optics, Optical fibers, CCD cameras, Wave propagation

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Proceedings Article | 18 March 2013 Paper

Tunability of Yb:glass laser

Jan Šulc, Ondrej Krivosudský, Helena Jelínková, Ryszard Stepien

Proceedings Volume 8599, 85991U (2013) https://doi.org/10.1117/12.2002041

KEYWORDS: Semiconductor lasers, Laser resonators, Absorption, Glasses, Output couplers, Diodes, Optical filters, Mirrors, Pulsed laser operation, Luminescence

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Proceedings Article | 11 January 2013 Paper

Fresnel lens fabrication for MidIR optics and fiber optic technique by using hot embossing process

I. Kujawa, R. Kasztelanic, P. Waluk, R. Stępień, K. Haraśny, D. Pysz, M. Klimczak, R. Buczyński

Proceedings Volume 8698, 869804 (2013) https://doi.org/10.1117/12.2019058

KEYWORDS: Glasses, Fresnel lenses, Mid-IR, Crystals, Radium, Oxides, Visible radiation, Silica, Diffractive optical elements, Temperature metrology

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Proceedings Article | 18 December 2012 Paper

Nonlinear phenomena in all solid photonic crystal fibers with nanostructured core

Jacek Pniewski, Rafal Kasztelanic, Dariusz Pysz, Ryszard Stępień, Ryszard Buczynski

Proceedings Volume 8697, 86971G (2012) https://doi.org/10.1117/12.2008404

KEYWORDS: Glasses, Dispersion, Refractive index, Cladding, Photonic crystal fibers, Nanostructuring, Silica, Structured optical fibers, Solids, Supercontinuum generation

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Proceedings Article | 16 May 2012 Paper

Toward mid-IR supercontinuum generation in bismuth-lead-galate glass based photonic crystal fibers

Ryszard Buczynski, Henry Bookey, Ryszard Stepien, Jacek Pniewski, Dariusz Pysz, Andrew Waddie, Ajoy Kar, Mohammad Taghizadeh

Proceedings Volume 8434, 84340Z (2012) https://doi.org/10.1117/12.922747

KEYWORDS: Glasses, Dispersion, Photonic crystal fibers, Optical fibers, Supercontinuum generation, Mid-IR, Cladding, Femtosecond phenomena, Spectrometers, Infrared radiation

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Proceedings Article | 9 May 2012 Paper

Customised birefringence in nanostructured micro-optical devices

Andrew Waddie, Jedrzej Nowosielski, Adam Filipkowski, Ryszard Stepien, Dariusz Pysz, Ryszard Buczynski, Mohammad Taghizadeh

Proceedings Volume 8428, 84280R (2012) https://doi.org/10.1117/12.922596

KEYWORDS: Nanolithography, Nanostructuring, Polarization, Birefringence, Glasses, Refractive index, Composites, Nanostructures, Custom fabrication, Finite-difference time-domain method

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Proceedings Article | 9 May 2012 Paper

Diffractive optics development with stack-and-draw technique

J. Nowosielski, A. Filipkowski, A. Waddie, I. Kujawa, R. Stepien, R. Buczynski, M. Taghizadeh

Proceedings Volume 8428, 84281R (2012) https://doi.org/10.1117/12.922847

KEYWORDS: Diffraction, Diffractive optical elements, Glasses, Refractive index, Nanolithography, Fabrication, Optical fabrication equipment, Optical components, Nanostructuring, Phase shifts

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Proceedings Article | 9 May 2012 Paper

Development of glass microoptics for MidIR with hot embossing technology

I. Kujawa, R. Stepien, A. Waddie, G. Skrabalak, M. Taghizadeh, R. Buczynski

Proceedings Volume 8428, 84281P (2012) https://doi.org/10.1117/12.922711

KEYWORDS: Glasses, Oxides, Silica, Metals, Fresnel lenses, Micro optics, Crystals, Microlens, Optical components, Mid-IR

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Proceedings Article | 9 May 2012 Paper

Large diameter multilevel graded nanostructured microlens

Jedrzej Nowosielski, Ryszard Buczynski, Andrew Waddie, Adam Filipkowski, Dariusz Pysz, Aongus McCarthy, Ryszard Stepien, Mohammad Taghizadeh

Proceedings Volume 8428, 84280Q (2012) https://doi.org/10.1117/12.922919

KEYWORDS: Nanostructuring, Refractive index, Nanolithography, Microlens, GRIN lenses, Glasses, Gradient-index optics, Lens design, Optical fibers, Diffraction

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Proceedings Article | 26 April 2012 Paper

Development of large-core photonic crystal fiber for hyperspectral transmission

Ryszard Stepien, Dariusz Pysz, Ireneusz Kujawa, Jacek Pniewski, Andrew Waddie, Mohammad Taghizadeh, Ryszard Buczynski

Proceedings Volume 8426, 842614 (2012) https://doi.org/10.1117/12.922730

KEYWORDS: Glasses, Optical fibers, Photonic crystal fibers, Transmittance, Crystals, Oxides, Refractive index, Cladding, Silica, Absorption

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Proceedings Article | 26 April 2012 Paper

Dispersion properties of all-solid photonic crystal fibers with nanostructured core

J. Pniewski, D. Pysz, R. Stepien, I. Kujawa, A. Waddie, M. Taghizadeh, R. Buczynski

Proceedings Volume 8426, 84261J (2012) https://doi.org/10.1117/12.922699

KEYWORDS: Glasses, Dispersion, Optical fibers, Photonic crystal fibers, Refractive index, Supercontinuum generation, Cladding, Nanostructuring, Silica, Solids

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Proceedings Article | 26 April 2012 Paper

Development of large core microstructured polymer optical fiber

Adam Filipkowski, Dariusz Pysz, Pawel Gdula, Katrin Welikow, Krzysztof Harasny, Andrew Waddie, Krzysztof Borzycki, Arno Kraft, Ryszard Piramidowicz, Ryszard Stepien, Mohammad Taghizadeh, Ryszard Buczynski

Proceedings Volume 8426, 842616 (2012) https://doi.org/10.1117/12.922845

KEYWORDS: Polymethylmethacrylate, Polymers, Polymer optical fibers, Polymerization, Cladding, Structured optical fibers, Glasses, Signal attenuation, Optical fibers, Optical properties

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Proceedings Article | 26 April 2012 Paper

Erbium doped low phonon glasses for application in up-conversion fiber lasers

K. Anders, P. Florczyk, R. Stepien, D. Pysz, R. Piramidowicz

Proceedings Volume 8426, 84260L (2012) https://doi.org/10.1117/12.922809

KEYWORDS: Glasses, Erbium, Luminescence, Semiconductor lasers, Phonons, Ions, Absorption, Fiber lasers, ZBLAN, Laser spectroscopy

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Proceedings Article | 10 June 2011 Paper

Supercontinuum generation in microstructured tellurite glass fiber

Ryszard Stępień, Ryszard Buczyński, Dariusz Pysz, Ireneusz Kujawa

Proceedings Volume 8010, 80100G (2011) https://doi.org/10.1117/12.896284

KEYWORDS: Glasses, Supercontinuum generation, Dispersion, Structured optical fibers, Manufacturing, Refractive index, Femtosecond phenomena, Photonic crystal fibers, Transmittance, Crystals

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Proceedings Article | 10 June 2011 Paper

Nonlinear photonic crystal fiber with a structured core

Ryszard Buczyński, Dariusz Pysz, Ireneusz Kujawa, Andrew Waddie, Mohammad Taghizadeh, Ryszard Stępień

Proceedings Volume 8010, 80100H (2011) https://doi.org/10.1117/12.896304

KEYWORDS: Glasses, Dispersion, Photonic crystal fibers, Supercontinuum generation, Cladding, Structured optical fibers, Nanostructuring, Nonlinear crystals, Refractive index, Silica

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Proceedings Article | 18 December 2010 Paper

Single mode PCF made of soft glass

Dariusz Pysz, Adam Filipkowski, Ryszard Stepień, Ryszard Buczyński, Ireneusz Kujawa, Sławomir Ertman

Proceedings Volume 7746, 774618 (2010) https://doi.org/10.1117/12.881463

KEYWORDS: Glasses, Refractive index, Signal attenuation, Photonic crystal fibers, Optical fibers, Capillaries, Cladding, Single mode fibers, Liquid crystals, Fabrication

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Proceedings Article | 15 December 2010 Paper

High-contrast all-glass volumetric photonic crystal

A. Filipkowski, G. van Caloen, R. Buczynski, I. Kujawa, D. Pysz, N. Vermeulen, H. Thienpont, R. Stepien

Proceedings Volume 7746, 774610 (2010) https://doi.org/10.1117/12.883811

KEYWORDS: Glasses, Photonic crystals, Dielectrics, Diffusion, Crystals, Manufacturing, Refractive index, Computer simulations, Light wave propagation, Maxwell's equations

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Proceedings Article | 15 December 2010 Paper

Nonlinear soft oxide glasses for microstructured optical fibers development

Ryszard Stepien, Ryszard Buczynski, Dariusz Pysz, Ireneusz Kujawa, Adam Filipkowski, Monika Mirkowska

Proceedings Volume 7746, 774619 (2010) https://doi.org/10.1117/12.881466

KEYWORDS: Glasses, Crystals, Oxides, Transmittance, Refractive index, Capillaries, Structured optical fibers, Silica, Temperature metrology, Nonlinear crystals

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Proceedings Article | 14 May 2010 Paper

Frequency conversion from near-infrared to mid-infrared in highly nonlinear optical fibres

Nicolas Ducros, Franck Morin, Kevin Cook, Alexis Labruyère, Sébastien Février, Georges Humbert, Fréderic Druon, Marc Hanna, Patrick Georges, J. Canning, Ryszard Buczynski, Dariusz Pysz, Ryszard Stepien

Proceedings Volume 7714, 77140B (2010) https://doi.org/10.1117/12.854379

KEYWORDS: Glasses, Chalcogenides, Raman spectroscopy, Dispersion, Fiber Bragg gratings, Mid-IR, Solitons, Nonlinear frequency conversion, Oxides, Refractive index

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Proceedings Article | 20 November 2008 Paper

Ytterbium doped phosphate glass air-clad photonic crystal fiber for laser applications

Marcin Franczyk, Ryszard Stępień, Dariusz Pysz, Ireneusz Kujawa, Ryszard Buczyński, Jan Jabczyński

Proceedings Volume 7141, 71410E (2008) https://doi.org/10.1117/12.822359

KEYWORDS: Glasses, Fiber lasers, Ytterbium, Photonic crystal fibers, Cladding, Diodes, Waveguides, Laser applications, Laser crystals, Bridges

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Proceedings Article | 20 November 2008 Paper

Toward supercontinuum generation with non-symmetric double core microstructured fibers

Ryszard Buczynski, Dariusz Pysz, Ireneusz Kujawa, Tadeusz Martynkien, Dusan Lorenc, Tomasz Nasilowski, Francis Berghmans, Hugo Thienpont, Ryszard Stepien

Proceedings Volume 7141, 71411F (2008) https://doi.org/10.1117/12.822396

KEYWORDS: Optical fibers, Dispersion, Glasses, Supercontinuum generation, Oscillators, Photonics, Physics, Silicate glass, Photonic crystal fibers, Seaborgium

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Proceedings Article | 20 November 2008 Paper

Characterization of all-glass photonic band gap fiber

Ryszard Buczynski, Ireneusz Kujawa, Marzenna Lusawa, Dariusz Pysz, Tadeusz Martynkien, Francis Berghmans, Tomasz Nasilowski, Hugo Thienpont, Ryszard Stepien

Proceedings Volume 7141, 71411J (2008) https://doi.org/10.1117/12.822400

KEYWORDS: Glasses, Signal attenuation, Cladding, Refractive index, Supercontinuum sources, Photonic crystal fibers, Structured optical fibers, Near infrared, Silica, Physics

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Proceedings Article | 13 June 2008 Paper

Photonic glass: novel method for fabrication of volume 2D photonic crystals

Ireneusz Kujawa, Adam Filipkowski, Dariusz Pysz, Florian Hudelist, Andrew Waddie, Ryszard Stepien, Ryszard Buczynski, Mo Taghizadeh

Proceedings Volume 7120, 71200M (2008) https://doi.org/10.1117/12.804524

KEYWORDS: Glasses, Photonic crystals, Refractive index, Crystals, Photonic glasses, Fabrication, Dispersion, Photonic crystal fibers, Signal attenuation, Diffusion

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Proceedings Article | 13 June 2008 Paper

Soft glass photonic crystal fibers for supercontinuum generation

D. Pysz, R. Buczynski, I. Kujawa, J. Korzeniowski, T. Martynkien, T. Nasilowski, F. Berghmans, H. Thienpont, R. Stepien

Proceedings Volume 7120, 71200K (2008) https://doi.org/10.1117/12.804522

KEYWORDS: Glasses, Supercontinuum generation, Dispersion, Photonic crystal fibers, Birefringence, Structured optical fibers, Physics, Borosilicate glass, Dielectrophoresis, Silicate glass

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Proceedings Article | 13 June 2008 Paper

Fabrication of solid-cladding photonic band gap fiber with air core

I. Kujawa, D. Pysz, R. Buczyński, A. Filipkowski, J. Nowosielski, R. Stępień

Proceedings Volume 7120, 71200L (2008) https://doi.org/10.1117/12.804523

KEYWORDS: Glasses, Refractive index, Cladding, Photonic crystal fibers, Photonic crystals, Liquids, Light wave propagation, Structured optical fibers, Physics, Structural design

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Proceedings Article | 21 April 2008 Paper

Broadband supercontinuum generation with photonic crystal fibers made of soft glass

Ryszard Buczynski, Dariusz Pysz, Ireneusz Kujawa, Jakub Korzeniowski, Tadeusz Martynkien, Tomasz Nasilowski, Francis Berghmans, Hugo Thienpont, Ryszard Stepien

Proceedings Volume 6990, 69900S (2008) https://doi.org/10.1117/12.783613

KEYWORDS: Glasses, Supercontinuum generation, Dispersion, Structured optical fibers, Photonic crystal fibers, Refractive index, Visible radiation, Solitons, Birefringence, Seaborgium

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Proceedings Article | 21 April 2008 Paper

Novel method for fabrication of volume 2D photonic crystals

Ryszard Buczynski, Ireneusz Kujawa, Adam Filipkowski, Dariusz Pysz, Florian Hudelist, Andrew Waddie, Ryszard Stepien, Mo Taghizadeh

Proceedings Volume 6989, 698904 (2008) https://doi.org/10.1117/12.783611

KEYWORDS: Glasses, Photonic crystals, Refractive index, Neodymium, Fabrication, Diffusion, Crystals, Photonic glasses, Optical fabrication, Photonic crystal fibers

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Proceedings Article | 21 May 2007 Paper

Silicate photonic crystal fibers with rectangular lattice and elliptical holes

Ireneusz Kujawa, Ryszard Buczynski, Dariusz Pysz, Tadeusz Martynkien, Tomasz Nasilowski, Hugo Thienpont, Ryszard Stepien

Proceedings Volume 6588, 65880J (2007) https://doi.org/10.1117/12.723455

KEYWORDS: Birefringence, Structured optical fibers, Photonic crystal fibers, Glasses, Polarization, Scanning electron microscopy, Silicates, Borosilicate glass, Cladding, Fiber optics sensors

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Proceedings Article | 8 May 2007 Paper

Silicate all-solid photonic crystal fibers with a glass high index contrast

Ryszard Buczynski, Dariusz Pysz, Ireneusz Kujawa, Piotr Fita, Monika Pawlowska, J. Nowosielski, Czeslaw Radzewicz, Ryszard Stepien

Proceedings Volume 6588, 658802 (2007) https://doi.org/10.1117/12.723454

KEYWORDS: Glasses, Photonic crystal fibers, Cladding, Optical fibers, Photonic crystals, Refractive index, Silica, Silicates, Signal attenuation, Borosilicate glass

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