Ms. Ireneusz Kujawa Profile

Ireneusz Kujawa

Head of Lab at Institute of Microelectronics and Photonics

SPIE Involvement:

Author

Publications (36)

Proceedings Article | 20 February 2017 Presentation + Paper

Presentation + Paper

Multi-wavelength mid-IR light source for gas sensing

Pentti Karioja, Teemu Alajoki, Matteo Cherchi, Jyrki Ollila, Mikko Harjanne, Noora Heinilehto, Soile Suomalainen, Jukka Viheriälä, Nouman Zia, Mircea Guina, Ryszard Buczyński, Rafał Kasztelanic, Ireneusz Kujawa, Tomi Salo, Sami Virtanen, Paweł Kluczyński, Håkon Sagberg, Marcin Ratajczyk, Przemyslaw Kalinowski

Proceedings Volume 10110, 101100P (2017) https://doi.org/10.1117/12.2249126

KEYWORDS: Mid-IR, Light sources, Photonic integrated circuits, Packaging, Gas sensors, Infrared technology, Glasses, Sensors, Photonic devices, Integrated optics, Optical filters, Silicon, Waveguides, Absorption

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Proceedings Article | 7 May 2015 Paper

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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Proceedings Article | 1 May 2014 Paper

Paper

Modal propagation and imaging characteristics of a custom designed coherent fiberbundle for endomicroscopy

S. Heyvaert, H. Ottevaere, I. Kujawa, R. Buczynski, M. Raes, H. Terryn, H. Thienpont

Proceedings Volume 9131, 91310W (2014) https://doi.org/10.1117/12.2051468

KEYWORDS: Point spread functions, Wavefronts, Endoscopes, Wave propagation, Polarization, Scanning electron microscopy, Fiber optics, Modulation, Beam steering, Endomicroscopy

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SPIE Journal Paper | 14 February 2014

Soft glasses for photonic crystal fibers and microstructured optical components

Ryszard Stepein, Jaroslaw Cimek, Dariusz Pysz, Ireneusz Kujawa, Mariusz Klimczak, Ryszard Buczynski

OE, Vol. 53, Issue 07, 071815, (February 2014) https://doi.org/10.1117/12.10.1117/1.OE.53.7.071815

KEYWORDS: Glasses, Optical fibers, Crystals, Oxides, Refractive index, Optical components, Photonic crystal fibers, Bismuth, Transmittance, Gallium

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Proceedings Article | 11 January 2013 Paper

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 | 9 May 2012 Paper

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

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 | 26 April 2012 Paper

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

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 | 10 June 2011 Paper

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

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

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

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

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 | 20 November 2008 Paper

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

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 | 20 November 2008 Paper

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 | 13 June 2008 Paper

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 | 13 June 2008 Paper

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

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 | 21 April 2008 Paper

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

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

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

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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Proceedings Article | 9 April 2007 Paper

Paper

Double glass and glass-air photonic crystal fibers

I. Kujawa, M. Lusawa, D. Pysz, R. Buczynski, R. Stepien

Proceedings Volume 6608, 66080H (2007) https://doi.org/10.1117/12.739356

KEYWORDS: Glasses, Dispersion, Photonic crystal fibers, Refractive index, Cladding, Waveguides, Photonic crystals, Structured optical fibers, Manufacturing, Silicate glass

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Proceedings Article | 9 April 2007 Paper

Paper

Two-dimensional metal-glass photonic crystal

Dariusz Pysz, Ireneusz Kujawa, Ryszard Stępień, Radosław Dominiak, Jacek Pniewski, Tomasz Szoplik

Proceedings Volume 6608, 66080K (2007) https://doi.org/10.1117/12.739523

KEYWORDS: Photonic crystals, Glasses, Metals, Crystals, Silver, Tin, Statistical analysis, Negative refraction, Photonic crystal fibers, Nanowires

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Proceedings Article | 9 April 2007 Paper

Paper

Nonlinear microstructured fibers for supercontinuum generation

Ryszard Buczyński, Dusan Lorenc, Ignac Bugar, Jakub Korzeniowski, Dariusz Pysz, Ireneusz Kujawa, Frantisek Uherek, Ryszard Stępień

Proceedings Volume 6608, 660805 (2007) https://doi.org/10.1117/12.739319

KEYWORDS: Optical fibers, Supercontinuum generation, Glasses, Refractive index, Dispersion, Seaborgium, Polarization, Photonic crystal fibers, Silica, Lead

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Proceedings Article | 9 April 2007 Paper

Paper

Double-clad photonic crystal fibre for laser applications

Marcin Franczyk, Ryszard Stępien, Dariusz Pysz, Ireneusz Kujawa, Przemysław Szarniak, Kazimierz Jędrzejewski, Mirosław Kwaśny

Proceedings Volume 6608, 66080A (2007) https://doi.org/10.1117/12.739336

KEYWORDS: Glasses, Ytterbium, Doping, Photonic crystal fibers, Structured optical fibers, Laser applications, Luminescence, Bridges, Manufacturing, Fiber lasers

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Proceedings Article | 9 April 2007 Paper

Paper

Highly birefringent photonic crystal fiber with shaped holes

I. Kujawa, R. Buczynski, D. Pysz, R. Stepien

Proceedings Volume 6608, 66080G (2007) https://doi.org/10.1117/12.739353

KEYWORDS: Birefringence, Photonic crystal fibers, Anisotropy, Polarization, Glasses, Structured optical fibers, Cladding, Optical fibers, Photonic crystals, Sensors

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Proceedings Article | 18 April 2006 Paper

Paper

Development of all-solid photonic crystal fibers

Ireneusz Kujawa, Przemyslaw Szarniak, Ryszard Buczynski, Dariusz Pysz, Ryszard Stepien

Proceedings Volume 6182, 61822Q (2006) https://doi.org/10.1117/12.664933

KEYWORDS: Dispersion, Glasses, Optical fibers, Refractive index, Photonic crystal fibers, Cladding, Signal attenuation, Solids, Numerical analysis, Control systems

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Proceedings Article | 12 October 2005 Paper

Paper

Hollow-core photonic crystal fiber with square lattice

Ryszard Buczynski, Dariusz Pysz, Tuomo Ritari, Przemyslaw Szarniak, Wladyslaw Saj, Ireneusz Kujawa, Hanne Ludvigsen, Ryszard Stepien

Proceedings Volume 5950, 595015 (2005) https://doi.org/10.1117/12.623094

KEYWORDS: Glasses, Photonic crystals, Photonic crystal fibers, Refractive index, Cladding, Structured optical fibers, Waveguides, Signal attenuation, Silica, Crystals

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Proceedings Article | 12 October 2005 Paper

Paper

Highly birefringent photonic crystal fibers with elliptical holes

Przemyslaw Szarniak, Ryszard Buczynski, Dariusz Pysz, Ireneusz Kujawa, Marcin Franczyk, Ryszard Stepien

Proceedings Volume 5950, 59501L (2005) https://doi.org/10.1117/12.623045

KEYWORDS: Birefringence, Glasses, Structured optical fibers, Photonic crystal fibers, Cladding, Refractive index, Polarization, Anisotropy, Scanning electron microscopy, Numerical analysis

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Proceedings Article | 23 September 2005 Paper

Paper

Multicomponent glass fiber optic integrated structures

Dariusz Pysz, Ireneusz Kujawa, Przemyslaw Szarniak, Marcin Franczyk, Ryszard Stepien, Ryszard Buczynski

Proceedings Volume 5951, 595102 (2005) https://doi.org/10.1117/12.622111

KEYWORDS: Glasses, Photonic crystal fibers, Manufacturing, Fiber optics, Structured optical fibers, Capillaries, Waveguides, Refractive index, Optics manufacturing, Cladding

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Proceedings Article | 23 September 2005 Paper

Paper

Properties of photonic crystal fiber with double lattice of microholes and microrods

Dariusz Pysz, Ryszard Buczynski, Przemyslaw Szarniak, Wladyslaw Saj, Ireneusz Kujawa, Ryszard Stepien

Proceedings Volume 5951, 595105 (2005) https://doi.org/10.1117/12.623126

KEYWORDS: Glasses, Photonic crystal fibers, Cladding, Refractive index, Photonic crystals, Structured optical fibers, Solids, Finite-difference time-domain method, Waveguides, Dispersion

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Proceedings Article | 15 September 2004 Paper

Paper

Double-core photonic crystal fiber with square lattice

Ryszard Buczynski, Przemyslaw Szarniak, Dariusz Pysz, Ireneusz Kujawa, Ryszard Stepien, Tomasz Szoplik

Proceedings Volume 5450, (2004) https://doi.org/10.1117/12.548083

KEYWORDS: Polarization, Photonic crystal fibers, Photonic crystals, Finite-difference time-domain method, Structured optical fibers, Crystals, Glasses, Dispersion, Solids, Radio propagation

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Proceedings Article | 8 September 2004 Paper

Paper

Properties of a double-core photonic crystal fiber with a square lattice

Ryszard Buczynski, Przemyslaw Szarniak, Dariusz Pysz, Ireneusz Kujawa, Ryszard Stepien, Tomasz Szoplik

Proceedings Volume 5576, (2004) https://doi.org/10.1117/12.581621

KEYWORDS: Photonic crystal fibers, Structured optical fibers, Crystals, Photonic crystals, Capillaries, Dispersion, Waveguides, Manufacturing, Refractive index, Fiber couplers

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Showing 5 of 36 publications

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