Dr. Kazimierz P. Jedrzejewski Profile

Dr. Kazimierz P. Jedrzejewski

at Warsaw Univ of Technology

SPIE Involvement:

Author

Publications (35)

Proceedings Article | 27 February 2019 Paper

Ytterbium-doped nanostructured core silica fiber with built-in Bragg grating for laser applications

Marcin Franczyk, Dariusz Pysz, Konrad Markowski, Jolanta Lisowska, Alicja Anuszkiewicz, Rafał Kasztelanic, Tomasz Stefaniuk, Adam Filipkowski, Kazimierz Jędrzejewski, Tomasz Osuch, Ryszard Buczynski

Proceedings Volume 10914, 109140L (2019) https://doi.org/10.1117/12.2509913

KEYWORDS: Bragg gratings, Glasses, Nanostructuring, Germanium, Refractive index, Ytterbium, Silica, Fiber lasers, Optical fibers, Laser resonators

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Proceedings Article | 7 August 2017 Paper

Design and fabrication principles of chirped tapered fiber-Bragg-grating-based Fabry-Perot cavity

Konrad Markowski, Kazimierz Jędrzejewski, Tomasz Osuch

Proceedings Volume 10445, 1044518 (2017) https://doi.org/10.1117/12.2281104

KEYWORDS: Fiber Bragg gratings, Fabry–Perot interferometers, Optical fibers, Mirrors, Tapered optical fibers, Refractive index, Resonators, Reflectivity, Manufacturing, Reflectors

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Proceedings Article | 28 September 2016 Paper

Custom FBGs inscription using modified phase mask method with precise micro- and nano-positioning

Konrad Markowski, Arkadiusz Perka, Kazimierz Jędrzejewski, Tomasz Osuch

Proceedings Volume 10031, 100311H (2016) https://doi.org/10.1117/12.2249381

KEYWORDS: Fiber Bragg gratings, Apodization, Refractive index, Reflectivity, Phase shift keying, Fabry–Perot interferometers, Fabrication, Modulation, Diffraction gratings, Fringe analysis

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Proceedings Article | 28 September 2016 Paper

Optimization of group delay response of (apodized) tapered fiber Bragg grating by shaping taper transition and apodization window

Konrad Markowski, Kazimierz Jędrzejewski, Tomasz Osuch

Proceedings Volume 10031, 100311G (2016) https://doi.org/10.1117/12.2249380

KEYWORDS: Fiber Bragg gratings, Apodization, Algorithms, Refractive index, Optimization (mathematics), Process modeling, Dispersion, Manufacturing, Ultraviolet radiation, Waveguides

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Proceedings Article | 28 September 2016 Paper

A dual-parameter tilted fiber Bragg grating-based sensor for liquid level and temperature monitoring

Tomasz Osuch, Tomasz Jurek, Konrad Markowski, Kazimierz Jędrzejewski

Proceedings Volume 10031, 100311I (2016) https://doi.org/10.1117/12.2249382

KEYWORDS: Fiber Bragg gratings, Fiber optics sensors, Liquids, Temperature metrology, Sensors, Optical testing, Cladding, Refractive index, Optical fibers, Spectrum analysis

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Proceedings Article | 28 September 2015 Paper

Temperature monitoring system using correlated FBGs

Mateusz Mądry, Konrad Markowski, Kazimierz Jędrzejewski, Elżbieta Bereś-Pawlik

Proceedings Volume 9634, 963477 (2015) https://doi.org/10.1117/12.2194812

KEYWORDS: Fiber Bragg gratings, Sensors, Temperature metrology, Geometrical optics, Optical sensors, Sensor networks, Optical design, Modulation, Temperature sensors, Light scattering

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Proceedings Article | 25 November 2014 Paper

Fibre Bragg grating for flood embankment monitoring

Konrad Markowski, Stanislau Nevar, Adam Dworzanski, Krzysztof Hackiewicz, Kazimierz Jędrzejewski

Proceedings Volume 9290, 92900W (2014) https://doi.org/10.1117/12.2076071

KEYWORDS: Fiber Bragg gratings, Sensors, Floods, Refractive index, Ultraviolet radiation, Photodiodes, Indium gallium arsenide, Amplifiers, Distributed computing, Telecommunications

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Proceedings Article | 12 May 2014 Paper

Accelerated-aging tests of fiber Bragg gratings written in hydrogen loaded tapered optical fibers

Tomasz Osuch, Dorota Herman, Konrad Markowski, Kazimierz Jędrzejewski

Proceedings Volume 9228, 922808 (2014) https://doi.org/10.1117/12.2066856

KEYWORDS: Fiber Bragg gratings, Hydrogen, Optical fibers, Annealing, Tapered optical fibers, Reflectivity, Fabrication, Temperature metrology, Telecommunications, Reliability

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Proceedings Article | 25 October 2013 Paper

Spectral transmission characteristics of weakly tilted and tilted chirped fiber gratings: comparative studies

Tomasz Osuch, Tomasz Jurek, Kazimierz Jędrzejewski

Proceedings Volume 8903, 89030W (2013) https://doi.org/10.1117/12.2035446

KEYWORDS: Fiber Bragg gratings, Cladding, Refractive index, Optical fibers, Ultraviolet radiation, Sensors, Optical amplifiers, Telecommunications, Structured optical fibers, Fiber optics sensors

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Proceedings Article | 18 May 2011 Paper

Fabrication of corrugated probes for scanning near-field optical microscopy

Piotr Wróbel, Tomasz Stefaniuk, Tomasz Antosiewicz, Adam Libura, Grzegorz Nowak, Tomasz Wejrzanowski, Robert Slesinski, Kazimierz Jedrzejewski, Tomasz Szoplik

Proceedings Volume 8070, 80700I (2011) https://doi.org/10.1117/12.886844

KEYWORDS: Near field scanning optical microscopy, Fiber Bragg gratings, Etching, Refractive index, Scanning electron microscopy, Silica, Ultraviolet radiation, Interfaces, Coating, Optical microscopy

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Proceedings Article | 6 November 2008 Paper

Multiplexed FBG strain measurement system

Jerzy Helsztynski, Lech Lewandowski, Wieslaw Jasiewicz, Kazimierz Jedrzejewski

Proceedings Volume 7124, 712407 (2008) https://doi.org/10.1117/12.817935

KEYWORDS: Fiber Bragg gratings, Multiplexing, Sensors, Photodiodes, Switches, Spectrophotometry, Diffraction gratings, Optical design, Control systems, Fiber optics sensors

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Proceedings Article | 6 November 2008 Paper

The influence of external refractive index on transmission properties in fused single-mode fiber couplers

Lukasz Sawicki, Kazimierz Jedrzejewski

Proceedings Volume 7124, 712408 (2008) https://doi.org/10.1117/12.817936

KEYWORDS: Refractive index, Liquids, Waveguides, Composites, Glasses, Cladding, Electroluminescence, Single mode fibers, Fiber couplers, Virtual colonoscopy

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Proceedings Article | 9 April 2007 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

Chirped Bragg gratings effect in thermally tapered fibers

Kazimierz Jędrzejewski, Tadeusz Tenderenda

Proceedings Volume 6608, 66080D (2007) https://doi.org/10.1117/12.739346

KEYWORDS: Fiber Bragg gratings, Optical fibers, Refractive index, Cladding, Thermal effects, Hydrogen, Ultraviolet radiation, Phase shift keying, Glasses, Interferometry

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Proceedings Article | 12 October 2006 Paper

Technology and spectral properties of Bragg gratings written in the fiber taper region

Kazimierz Jedrzejewski, Tadeusz Tenderenda

Proceedings Volume 6347, 63470U (2006) https://doi.org/10.1117/12.714874

KEYWORDS: Fiber Bragg gratings, Reflectivity, Refractive index, Cladding, Phase shift keying, Ultraviolet radiation, Modulation, Resonators, Light wave propagation, Wave propagation

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Proceedings Article | 12 October 2006 Paper

Long period gratings: technology and parameters

K. Czachor, K. Jedrzejewski

Proceedings Volume 6347, 63470V (2006) https://doi.org/10.1117/12.714877

KEYWORDS: Signal attenuation, Ultraviolet radiation, Fiber Bragg gratings, Temperature metrology, Fiber lasers, Cladding, Optical fibers, Light sources, Telecommunications, Gas lasers

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Proceedings Article | 12 October 2006 Paper

Strain and temperature sensor applications of fiber Bragg gratings

P. Chojnowski, K. Jędrzejewski

Proceedings Volume 6347, 63470W (2006) https://doi.org/10.1117/12.714878

KEYWORDS: Fiber Bragg gratings, Temperature metrology, Sensors, Ultraviolet radiation, Optical fibers, Refractive index, Phase shift keying, Temperature sensors, Modulation, Electronics

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Proceedings Article | 7 October 2005 Paper

Photosensitivity phenomena in multicomponent glasses

K. Czachor, K. Jedrzejewski, R. Stępień

Proceedings Volume 5948, 594819 (2005) https://doi.org/10.1117/12.622762

KEYWORDS: Glasses, Refractive index, Ultraviolet radiation, Tin, Silica, Surface finishing, Germanium, Hydrogen, Fiber Bragg gratings, Optical microscopes

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Proceedings Article | 7 October 2005 Paper

Strain sensor applications of fiber Bragg gratings

P. Chojnowski, K. Jedrzejewski

Proceedings Volume 5948, 59481K (2005) https://doi.org/10.1117/12.622784

KEYWORDS: Fiber Bragg gratings, Sensors, Ultraviolet radiation, Optical fibers, Phase shift keying, Refractive index, Modulation, Monochromators, Data modeling, Electronics

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Proceedings Article | 23 September 2005 Paper

Thermal and aging tests of fiber Bragg gratings as wavelength standards

T. Osuch, T. Kossek, K. Jedrzejewski, L. Lewandowski

Proceedings Volume 5951, 59510H (2005) https://doi.org/10.1117/12.622811

KEYWORDS: Fiber Bragg gratings, Reflectivity, Temperature metrology, Packaging, Annealing, Calibration, Spectrum analysis, Climatology, Optical fabrication, Hydrogen

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Proceedings Article | 23 September 2005 Paper

Hydrogenation influence on telecom fiber Bragg gratings properties

Kazimierz Jedrzejewski, Jerzy Helsztynski, Lech Lewandowski

Proceedings Volume 5951, 59510I (2005) https://doi.org/10.1117/12.622838

KEYWORDS: Fiber Bragg gratings, Hydrogen, Ultraviolet radiation, Interferometry, Fiber lasers, Mirrors, Single mode fibers, Diodes, Control systems

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Proceedings Article | 23 May 2005 Paper

Tapered fibre LPG device as a sensing element for refractive index

T. Allsop, F. Floreani, K. Jedrzejewski, R. Romero, P. Marques, D. Webb, Ian Bennion

Proceedings Volume 5855, (2005) https://doi.org/10.1117/12.623700

KEYWORDS: Refractive index, Cladding, Signal attenuation, Liquids, Sensors, Chemical elements, Optical fibers, Water, Calibration, Phase matching

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Proceedings Article | 8 September 2004 Paper

Bragg gratings in optical fibers made by the phase mask method

Kazimierz Jedrzejewski, Lech Lewandowski, Jerzy Helsztynski, Wieslaw Jasiewicz

Proceedings Volume 5576, (2004) https://doi.org/10.1117/12.581516

KEYWORDS: Fiber Bragg gratings, Refractive index, Ultraviolet radiation, Optical fibers, Electronics, Optical filters, Metrology, Mirrors, Apodization, Laser applications

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Proceedings Article | 8 September 2004 Paper

Interferometric fiber Bragg gratings

Jerzy Helsztynski, Lech Lewandowski, Wieslaw Jasiewicz, Kazimierz Jedrzejewski

Proceedings Volume 5576, (2004) https://doi.org/10.1117/12.581514

KEYWORDS: Fiber Bragg gratings, Interferometers, Beam splitters, Interferometry, Mirrors, Ultraviolet radiation, Wavefronts, Refractive index, Phase interferometry, Signal attenuation

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Proceedings Article | 22 July 2004 Paper

Broadband light source for the third transmission window

A. Pienkowski, Kazimierz Jedrzejewski

Proceedings Volume 5484, (2004) https://doi.org/10.1117/12.568915

KEYWORDS: Fiber Bragg gratings, Optical amplifiers, Erbium, Optical filters, Light sources, Superluminescent sources, Fiber amplifiers, Spectral resolution, Fiber lasers, Connectors

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Proceedings Article | 24 October 2003 Paper

Fiber Bragg gratings: technology and measurement

Jerzy Helsztynski, Wieslaw Jasiewicz, Kazimierz Jedrzejewski, Lech Lewandowski, Krzysztof Pozniak

Proceedings Volume 5125, (2003) https://doi.org/10.1117/12.532354

KEYWORDS: Fiber Bragg gratings, Fiber lasers, Telecommunications, Ultraviolet radiation, Optical filters, Refractive index, Argon ion lasers, Chemical elements, Laser applications, Metrology

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Proceedings Article | 14 April 2003 Paper

Fiber Bragg filter measurements

Jerzy Helsztynski, Wieslaw Jasiewicz, Kazimierz Jedrzejewski, Lech Lewandowski, Krzysztof Pozniak

Proceedings Volume 5028, (2003) https://doi.org/10.1117/12.497591

KEYWORDS: Optical filters, Fiber Bragg gratings, Monochromators, Telecommunications, Dense wavelength division multiplexing, Standards development, Diffraction gratings, Fiber optics sensors, Michelson interferometers, Laser applications

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Proceedings Article | 29 October 2001 Paper

Er3+- and Yb3+- doped phosphate glasses for eye-safe laser systems

Ryszard Stepien, Kazimierz Jedrzejewski, Miroslaw Kwasny, Zygmunt Mierczyk

Proceedings Volume 4594, (2001) https://doi.org/10.1117/12.446571

KEYWORDS: Glasses, Luminescence, Absorption, Ions, Erbium lasers, Laser systems engineering, Erbium, Radiation effects, Temperature metrology, Oxides

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Proceedings Article | 13 December 2000 Paper

High-resolution computer-controlled monochromator system for fiber diffraction grating measurements

Jerzy Helsztynski, Wieslaw Jasiewicz, Kazimierz Jedrzejewski, Lech Lewandowski, Krzysztof Pozniak

Proceedings Volume 4239, (2000) https://doi.org/10.1117/12.409187

KEYWORDS: Monochromators, Computing systems, Fiber Bragg gratings, Diffraction gratings, Spectral resolution, Fiber lasers, Dense wavelength division multiplexing, Optical amplifiers, Data acquisition, Control systems

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Proceedings Article | 13 December 2000 Paper

Er3+- and Yb3+-doped phosphate glasses for eye-safe wavelength lasers (lambda=1.53 divided by 1.55 um)

Ryszard Stepien, Kazimierz Jedrzejewski, Zygmunt Mierczyk, Miroslaw Kwasny

Proceedings Volume 4239, (2000) https://doi.org/10.1117/12.409199

KEYWORDS: Glasses, Ions, Luminescence, Crystals, Erbium, Absorption, Laser glasses, Oxides, Ytterbium, Chemical analysis

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Proceedings Article | 4 October 2000 Paper

Er3+- and Yb3+-doped phosphate glasses for eye-safe laser systems

Zygmunt Mierczyk, Miroslaw Kwasny, Ryszard Stepien, Kazimierz Jedrzejewski

Proceedings Volume 4237, (2000) https://doi.org/10.1117/12.402871

KEYWORDS: Glasses, Erbium lasers, Crystals, Erbium, Luminescence, Laser systems engineering, Absorption, Ions, Eye, Laser glasses

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Proceedings Article | 14 May 1999 Paper

Acousto-optically tuned single-mode inline fiber attenuator

Kazimierz Jedrzejewski, Marcin Franczyk, Andrezej Leszczynski

Proceedings Volume 3731, (1999) https://doi.org/10.1117/12.348725

KEYWORDS: Acoustics, Attenuators, Transducers, Single mode fibers, Ferroelectric materials, Telecommunications, Signal attenuation, Cladding, Energy transfer, Glasses

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Proceedings Article | 5 August 1997 Paper

Wide-band tapered directional coupler

Kazimierz Jedrzejewski, Arkadiusz Kosinski

Proceedings Volume 3189, (1997) https://doi.org/10.1117/12.285622

KEYWORDS: Optical fibers, Polishing, Directional couplers, Telecommunications, Energy transfer, Tolerancing, Cladding, Glasses, Sensors, Signal attenuation

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Proceedings Article | 28 July 1994 Paper

High-power diode-pumped Nd3+ fiber laser

John Minelly, Kazimierz Jedrzejewski, Elizabeth Taylor, Ji Wang, David Payne, Anthony Raven, Ilkka Mannonen, Douglas Fernie, Joseph Hayden

Proceedings Volume 2131, (1994) https://doi.org/10.1117/12.180724

KEYWORDS: Fiber lasers, Diodes, High power lasers, Semiconductor lasers, Glasses, Cladding, Waveguides, Neodymium, Optical fibers, Second-harmonic generation

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Proceedings Article | 15 February 1994 Paper

Application of low-phonon energy glasses for optical amplification at 1.3 um

Daniel Hewak, Bryce Samson, J. Medeiros Neto, Ji Wang, Kazimierz Jedrzejewski, G. Wylangowski, Elizabeth Taylor, Richard Laming, David Payne, M. Naftaly, S. Jordery, Animesh Jha, M. Baro, S. Surinach, Eleanor Tarbox, P. Maton, G. Roba, Barry Kinsman, R. Hanney

Proceedings Volume 2073, (1994) https://doi.org/10.1117/12.168597

KEYWORDS: Glasses, Cadmium, Absorption, Fiber amplifiers, Optical amplifiers, Gallium, Quantum efficiency, Fiber lasers, Crystals, Amplifiers

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Showing 5 of 35 publications

Conference Committee Involvement (1)

Photonics Applications in Industry and Research IV

30 August 2005 | Warsaw, Poland

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