Education

• Hoang T.V., Dobrakowski D., Stępniewski G., Kasztelanic R., Pysz D., Dinh K.X., Klimczak M., Śmietana M. and Buczyński R., 2020: Antiresonant fibers with single- and double-ring capillaries for optofluidic applications, Optics Express, vol. 28(22) , pp. 32483-32498 , 10.1364/OE.404701

• Stępniewski G., Dobrakowski D., Pysz D., Kasztelanic R., Buczyński R. and Klimczak M., 2020: Birefringent large-mode-area anti-resonant hollow core fiber in the 1.9  µm wavelength window, Optics Letters, vol. 45(15) , pp. 4280-4283 , 10.1364/OL.398650

• Kasztelanic R., Kujawa I., Stępień R., Waddie A.J., Taghizadeh M.R., Buczyński R., 2020: Development of diffraction binary grating using hot embossing processing with electroformed nickel mold for broadband IR optics, Infrared Physics & Technology, vol. 107 , pp. art. 103293 , 10.1016/j.infrared.2020.103293

• Osuch T., Anuszkiewicz A., Zakrzewski D., Filipkowski A., Olszewski J., Mergo P., Pysz D., Kasztelanic R. and Buczyński R., 2020: Enhancement of spectral response of Bragg gratings written in nanostructured and multi-stepped optical fibers with radially shaped GeO2 concentration, Optics Express, vol. 28(10) , pp. 14774-14787 , 10.1364/OE.390521

• Hoang V.T., Kasztelanic R., Stępniewski G., Xuan K.D., Long V.C., Trippenbach M., Klimczak M., Buczyński R. and Pniewski J., 2020: Femtosecond supercontinuum generation around 1560 nm in hollow-core photonic crystal fibers filled with carbon tetrachloride, Applied Optics, vol. 59(12 , pp. 3720-3725 , 10.1364/AO.385003

• Nguyen H.T., Switkowski K., Filipkowski A., Kasztelanic R., Pysz D., Lef H.V., Stepien R., Krolikowski W., Buczynski R., 2020: Fiber microprobe with integrated gradient index vortex mask, Optics Communications, vol. 477 , pp. art. 126345 , 10.1016/j.optcom.2020.126345

• Stepien R., Cimek J., Pysz D., Kujawa I., Golebiewski P., Stepniewski G., Orlinski K., Buczynski R. and Kasztelanic R., 2020: High-contrast lead-free pair of soft glasses for large numerical aperture imaging bundles, Optical Materials Express, vol. 10(8) , pp. 1891-1910 , 10.1364/OME.394918

• Nguyen H.T., Anuszkiewicz A., Lisowska J., Filipkowski A., Kasztelanic R., Buczynski R. and Krolikowski W., 2020: Numerical analysis of optical vortices generation with nanostructured phase masks, Optics Express, vol. 28(14) , pp. 21143-21154 , 10.1364/OE.397117

• Nguyen H.T., Switkowski K., Kasztelanic R., Anuszkiewicz A., Filipkowski A., Le H.V., Pysz D., Stepien R., Krolikowski W.,, 2020: Optical characterization of single nanostructured gradient index vortex phase masks fabricated by the modified stack-and-draw technique, Optics Communications, vol. 463 , pp. art. 125435 , 10.1016/j.optcom.2020.125435

• Michalik D., Stefaniuk T., Kasztelanic R. and Buczyński R., 2020: Polarization-maintaining optical fiber with an anisotropic core compatible with the SMF-28 standard, Journal of the Optical Society of America B, vol. 37(6) , pp. 1722-1728 , 10.1364/JOSAB.393645

• Canh T.L., Hoang T.V., Van H.L., Pysz D., Long C.V., Dinh T.B., Nguyen D.T., Dinh Q.H., Klimczak M., Kasztelanic R., Pniewski J., Buczynski R., and Dinh K.X., 2020: Supercontinuum generation in all-normal dispersion suspended core fiber infiltrated with water, Optical Materials Express, vol. 10(7) , pp. 1733-1748 , 10.1088/1555-6611/ab6f09

• Forestier X., Karpate T., Huss G., Tombelaine V., Stępniewski G., Anuszkiewicz A., Kasztelanic R., Filipkowski A., Pysz D., Klimczak M. & Buczyński R., 2020: Supercontinuum generation in nanostructured core gradient index fibers, Applied Nanoscience, vol. 10 , pp. 1997-2005 , 10.1007/s13204-020-01319-9

• Kulbacka J., Kasztelanic R., Kotulska M., Pysz D., Stępniewski G., Stępień R., Saczko J., Miklavčič D., Buczyński R., 2020: Ultrathin glass fiber microprobe for electroporation of arbitrary selected cell groups, Bioelectrochemistry, vol. 135 , pp. art. 107545 , 10.1016/j.bioelechem.2020.107545

• Buczynski R., Filipkowski A., Piechal B., Nguyen H.T., Pysz D., Stepien R., Waddie A., Taghizadeh M.R., Klimczak M. and Kasztelanic R., 2019: Achromatic nanostructured gradient index microlenses, Optics Express, vol. 27(7) , pp. 9588-9600 , 10.1364/OE.27.009588

• Dobrakowski D., Stępniewski G., Kasztelanic R., Buczyński R. and Klimczak M., 2019: Birefringence of nonlinearity in all-normal dispersion photonic crystal fibers, Journal of Optics, vol. 21 , pp. art. 125502 , 10.1088/2040-8986/ab4dbd

• Klimczak M., Michalik D., Stępniewski G., Karpate T., Cimek J., Forestier X., Kasztelanic R., Pysz D., Stępień R., and Buczyński R., 2019: Coherent supercontinuum generation in tellurite glass regular lattice photonic crystal fibers, Journal of the Optical Society of America B, vol. 36(2) , pp. A112-A124 , 10.1364/JOSAB.36.00A112

• Dobrakowski D., Rampur A., Stępniewski G., Anuszkiewicz A., Lisowska J., Pysz D., Kasztelanic R., Klimczak M., 2019: Development of highly nonlinear polarization maintaining fibers with normal dispersion across entire transmission window, Journal of Optics, vol. 21(1) , pp. 1241-1244 , 10.1088/2040-8986/aaf4af

• Filipkowski A., Nguyen H.T., Kasztelanic R., Stefaniuk T., Cimek J., Pysz D., Stępień R., Krzyżak K., Karioja P. and Buczynski R., 2019: Development of large diameter nanostructured GRIN microlenses enhanced with temperature-controlled diffusion, Optics Express, vol. 27(24) , pp. 35052-35064 , 10.1364/OE.27.035052

• Morova B., Bavili N., Yaman O., Yigit B., Zeybel M., Aydın M., Dogan B., Kasztelanic R., Pysz D., Buczynski R. and Kiraz A., 2019: Fabrication and characterization of large numerical aperture, high-resolution optical fiber bundles based on high-contrast pairs of soft glasses for fluorescence imaging, Optics Express, vol. 27(7) , pp. 9502-9515 , 10.1364/OE.27.009502

• Osuch T., Anuszkiewicz A., Markowski K., Filipkowski A., Pysz D., Kasztelanic R., Stepien R., Klimczak M., and Buczynski R., 2019: Inscription of Bragg gratings in nanostructured graded index single-mode fibers, Optics Express, vol. 27(10) , pp. 13721-13733 , 10.1364/OE.27.013721

• Kasztelanic R., Pysz D., Stepien R. and Buczynski R., 2019: Light field camera based on hexagonal array of flat-surface nanostructured GRIN lenses, Optics Express, vol. 27(4) , pp. 34985-34996 , 10.1364/OE.27.034985

• Hoang V.H., Stępniewski G., Czarnecka K.H., Kasztelanic R., Long V.C., Xuan K.D., Shao L., Śmietana M. and Buczyński R., 2019: Optical Properties of Buffers and Cell Culture Media for Optofluidic and Sensing Applications, Applied Sciences, vol. 9(6) , pp. art. 1145 , 10.3390/app9061145

• Forestier X., Cimek J., Kujawa I., Kasztelanic R., Pysz D., Orliński K., Stępień R., Buczyński R., 2019: Study of SiO2-PbO-CdO-Ga2O3 glass system for mid-infrared optical elements, Journal of Non-Crystalline Solids, vol. 503-504 , pp. 52-61 , 10.1016/j.jnoncrysol.2018.09.019

• Hoang V.T., Kasztelanic R., Filipkowski A., Stępniewski G., Pysz D., Klimczak M., Ertman S., Long V.C., Woliński T.R., Trippenbach M, Xuan K.D., Śmietana M. and Buczyński R., 2019: Supercontinuum generation in an all-normal dispersion large core photonic crystal fiber infiltrated with carbon tetrachloride, Optical Materials Express, vol. 9(5) , pp. 2264-2278 , 10.1364/OME.9.002264

• Hoang V.H., Kasztelanic R., Anuszkiewicz A., Stepniewski G., Filipkowski A., Ertman S., Pysz D., Wolinski T., Xuan K.D., Klimczak M., and Buczynski R., 2018: All-normal dispersion supercontinuum generation in photonic crystal fibers with large hollow cores infiltrated with toluene, Optical Materials Express, vol. 8(11) , pp. 3568-3582 , 10.1364/OME.8.003568

• Le H-V, Cao V-L, Nguyen H-T, Nguyen A-M, Buczyński R. and Kasztelanic R., 2018: Application of ethanol infiltration for ultra-flattened normal dispersion in fused silica photonic crystal fibers, Laser Physics, vol. 28(11) , pp. art. 115106 , doi.org/10.1088/1555-6611/aad93a

• Rampur A., Ciąćka P., Cimek J., Kasztelanic R., Buczyński R. and Klimczak M., 2018: Development of suspended core soft glass fibers for far-detuned parametric conversion, Journal of Optics, vol. 20 , pp. art. 045501 , 10.1088/2040-8986/aaaf8f

• Anuszkiewicz A., Kasztelanic R., Filipkowski A., Stepniewski G., Stefaniuk T., Siwicki B., Pysz D., Klimczak M., Buczynski, 2018: Fused silica optical fibers with graded index nanostructured core, Scientific Reports, vol. 8 , pp. art. 12329 , 10.1038/s41598-018-30284-1

• Kasztelanic R., Filipkowski A., Anuszkiewicz A., Stafiej P., Stepniewski G., Pysz D., Krzyzak K., Stepien R., Klimczak M. & Buczynski R., 2018: Integrating Free-Form Nanostructured GRIN Microlenses with Single-Mode Fibers for Optofluidic Systems, Scientific Reports, vol. 8 , pp. art. 5072 , 10.1038/s41598-018-23464-6

• Le Van H., Buczynski R., Cao Long V., Trippenbach M., Borzycki K., Nguyen Manh A., Kasztelanic R., 2018: Measurement of temperature and concentration influence on the dispersion of fused silica glass photonic crystal fiber infiltrated with water–ethanol mixture, Optics Communications, vol. 407 , 10.1016/j.optcom.2017.09.059

• Kasztelanic R., Filipkowski A., Pysz D., and Buczynski R., 2018: Optical fibers with open side channel by wet etching, Optics Express, vol. 26(25) , pp. 32374-32387 , 10.1364/OE.26.032374

• Pniewski J. Ramaniuka A., Kasztelanic R., Śmietana M., Trippenbach M., Buczyński R., 2017: Applicability of suspended-core fibres for attenuation-based label-free biosensing, Optics Communications, vol. 402 , pp. 290-295 , 10.1016/j.optcom.2017.06.025

• Kasztelanic R., Filipkowski A., Pysz D., Stepien R., Waddie A.J., Taghizadeh M.R., and Buczynski R., 2017: High resolution Shack-Hartmann sensor based on array of nanostructured GRIN lenses, Optics Express, vol. 25 (3) , pp. 1680-1691 , 10.1364/OE.25.001680

• Siwicki B., Filipkowski A., Kasztelanic R., Klimczak M., and Buczyński R., 2017: Nanostructured graded-index core chalcogenide fiber with all-normal dispersion–design and nonlinear simulations, Optics Express, vol. 25 (11) , pp. 12984-12998 , 10.1364/OE.25.012984

• Chu Van L., Anuszkiewicz A., Ramaniuk A., Kasztelanic R., Dinh Xuan K., Cao Long V., Trippenbach M. and Buczyński R., 2017: Supercontinuum generation in photonic crystal fibres with core filled with toluene, Journal of Optics, vol. 19 , pp. art. 125604 , 10.1088/2040-8986/aa96bc

• Stepniewski, G.; Kujawa, I.; Klimczak, M.; Martynkien, T.; Kasztelanic, R.; Borzycki, K.; Pysz, D.; Waddie, A.; Salski, B.; Stepien, R.; Taghizadeh, MR.; Buczynski, R., 2016: Artificially anisotropic core fiber with ultra-flat high birefringence profile, Optical Materials Express, vol. 6 (5) , pp. 1464-1479 , 10.1364/OME.6.001464

• Pniewski J., Kasztelanic R., Nowosielski J.M., Filipkowski A., Piechal B., Waddie A.J., Pysz D., Kujawa I., Stepien R., Taghizadeh M.R. and Buczynski R., 2016: Diffractive optics development using a modified stack-and-draw technique, Applied Optics, vol. 55 (18) , pp. 4939-4945 , 10.1364/AO.55.004939

• Klimczak M.; Sobon G.; Kasztelanic R.; Abramski K.M; Buczynski R., 2016: Direct comparison of shot-to-shot noise performance of all normal dispersion and anomalous dispersion supercontinuum pumped with sub-picosecond pulse fiber-based laser, Scientific Reports, vol. 6 , pp. art. 19284 , 10.1038/srep19284

• Pniewski J., Stefaniuk T., Le Van H., Cao Long V., Chu Van L., Kasztelanic R., Stępniewski G., Ramaniuk A., Trippenbach M., and Buczyński R., 2016: Dispersion engineering in nonlinear soft glass photonic crystal fibers infiltrated with liquids, Applied Optics, vol. 55 (19) , pp. 5033-5040 , 10.1364/AO.55.005033

• Siwicki B., Kasztelanic R., Klimczak M., Cimek J., Pysz D., Stępień R. and Buczyński R., 2016: Extending of flat normal dispersion profile in all-solid soft glass nonlinear photonic crystal fibres, Journal of Optics, vol. 18 (6) , pp. art. 065102 , 10.1088/2040-8978/18/6/065102

• Pniewski J., Stepniewski G., Kasztelanic R., Siwicki B., Pierscinska D., Pierscinski K., Pysz D., Borzycki K., Stepien R., Bugajski M., Buczynski R., 2016: High numerical aperture large-core photonic crystal fiber for a broadband infrared transmission, Infrared Physics & Technology, vol. 79 , pp. 10-16 , 10.1016/j.infrared.2016.09.002

• Stepniewski G., Kasztelanic R., Pysz D., Stepien R., Klimczak M., and Buczynski R., 2016: Temperature sensitivity of chromatic dispersion in nonlinear silica and heavy metal oxide glass photonic crystal fibers, Optical Materials Express, vol. 6 (8) , pp. 2689-2703 , 10.1364/OME.6.002689

• Kasztelanic, R., Kujawa, I., Stepien, R., Kluczynski, P., Kozlowska, A., Buczynski, R., 2015: Low-cost soft-glass diffractive and refractive lenses for efficient mid-IR fiber coupling systems, Infrared Physics & Technology, vol. 71 , pp. 307-312 , 10.1016/j.infrared.2015.04.002

• Buczyński, R., Klimczak, M., Stefaniuk, T., Kasztelanic, R., Siwicki, B., Stępniewski, G., Cimek, J., Pysz, D., Stępień, R., 2015: Optical fibers with gradient index nanostructured core, Optics Express, vol. 23 (20) , pp. 25588-25596 , 10.1364/OE.23.025588

• Kasztelanic, R., Kujawa, I., Ottevaere, H., Pysz, D., Stepien, R., Thienpont, H., Buczynski, R., 2015: Optical quality study of refractive lenses made out of oxide glass using hot embossing, Infrared Physics & Technology, vol. 73 , pp. 212-218 , 10.1016/j.infrared.2015.09.024

• Kasztelanic, R., Kujawa, I., Stępień, R., Cimek, J., Haraśny, K., Klimczak, M., Waddie, A.J., Taghizadeh, M.R., Buczyński, R., 2014: Fabrication and characterization of microlenses made of tellurite and heavy metal oxide glass developed with hot embossing technology, Optical and Quantum Electronics, vol. 46 (4) , pp. 541–552 , 10.1007/s11082-013-9811-0

• Kujawa, I., Kasztelanic, R., Stępień, R., Klimczak, M., Cimek, J., Waddie, A.J., Taghizadeh, M.R., Buczyński, R, 2014: Optimization of hot embossing method for development of soft glass microcomponents for infrared optics, Optics & Laser Technology, vol. 55 , pp. 11-17 , 10.1016/j.optlastec.2013.06.036

• Buczynski, R., Sobon, G.; Sotor, J.; Klimczak, M; Stepniewski, G.; Pysz, D.; Martynkien, T.; Kasztelanic, R.; Stepien, R.; Abramski, KM., 2013: Broadband infrared supercontinuum generation in a soft-glass photonic crystal fiber pumped with a sub-picosecond Er-doped fiber laser mode-locked by a graphene saturable absorber, Laser Physics, vol. 23 (10) , pp. art. 105106 , 10.1088/1054-660X/23/10/105106

• Kasztelanic, R., Kujawa, I., Stȩpień, R., Haraśny, K., Pysz, D., Buczyński, R., 2013: Fresnel lens fabrication for broadband IR optics using hot embossing process, Infrared Physics & Technology, vol. 60 , pp. 1-6 , 10.1016/j.infrared.2013.03.010

• Kasztelanic, R., Kujawa, I., Stȩpień, R., Haraśny, K., Pysz, D., Buczyński, R, 2013: Molding of soft glass refraction mini lens with hot embossing process for broadband infrared transmission systems, Infrared Physics & Technology, vol. 61 , pp. 299-305 , 10.1016/j.infrared.2013.09.005

• Pniewski, J., Kasztelanic, R., Pysz, D., Stepien, R., Buczynski, R., 2013: Supercontinuum generation in all-solid photonic crystal fibers with a low index subwavelength inclusion in the core, Laser Physics, vol. 23 (8) , pp. art. 085104 , 10.1088/1054-660X/23/8/085104

• Buczynski, R., Pniewski, J., Pysz, D., Stepien, R., Kasztelanic, R., Kujawa, I., Filipkowski, A., Waddie, A.J., Taghizadeh, M.R., 2012: Dispersion management in soft glass all-solid photonic crystal fibres, Opto-Electronics Review, vol. 20 (3) , pp. 207–215 , 10.2478/s11772-012-0033-y

• Bookey, H.T., Buczyński, R., Wischnewski, A., Pysz, D., Kasztelanic, R., Waddie, A.J., Stepień, R., Kar, A.K., Taghizadeh, M.R., 2012: Near infrared transmission in dual core lead silicate photonic crystal fibres, Optica Applicata, vol. XLII (1) , pp. 75-83 , 10.5277/oa120107

• Kasztelanic R., 2012: Parallel multichannel architecture for surface plasmon resonance sensors, Journal of the European Optical Society - Rapid publications, vol. 7 , pp. art. 12038 , 10.2971/jeos.2012.12038

• Buczynski R.; Kujawa I.; Kasztelanic R.; Pysz D.; Borzycki K.; Berghmans F.; Thienpont H.; Stepien R., 2012: Supercontinuum generation in all-solid photonic crystal fiber with low index core, Laser Physics, vol. 22 (4) , pp. 784–790 , 10.1134/S1054660X12040019

• Baranski M., Albero J., Kasztelanic R., Gorecki C., 2011: A numerical model of wet isotropic etching of silicon molds for microlenses fabrication, Journal of the Electrochemical Society, vol. 158 (11) , pp. D681-D688 , 10.1149/2.079111jes

• Kasztelanic R., 2011: Amplitude filter and Fourier-based modal method for quality control of microlenses array, Optical Engineering, vol. 50 (4) , pp. art. 043601 , 10.1117/1.3560259

• Buczynski R., Pysz D., Stepien R., Waddie A.J., Kujawa I., Kasztelanic R., Franczyk M., Taghizadeh M.R., 2011: Supercontinuum generation in photonic crystal fibers with nanoporous core made of soft glass, Laser Physics Letters, vol. 8 (6) , pp. 443-448 , 10.1002/lapl.201110011

• Kasztelanic R., 2011: Surface plasmon resonance sensors - Novel architecture and improvements, Optica Applicata, vol. XLI (1) , pp. 145-155

• Kasztelanic R., 2010: Amplitude filter and Zernike polynomial expansion method for quality control of microlens arrays, Applied Optics, vol. 49(28) , pp. 5486-5492 , 10.1364/AO.49.005486

• Kasztelanic R., Sagan A., 2009: Semiderivative real filter for microoptical elements quality control, Optical Review, vol. 16(3) , pp. 252–256 , 10.1007/s10043-009-0047-y

• Kasztelanic R., 2008: Multilevel structures in deep proton lithography, Journal of Micro/Nanolithography, MEMS, and MOEMS, vol. 7(1) , pp. art. 013006 , 10.1117/1.2841721

Msc

• Analysis of fingerprint image regarding its use in biometric system. Extraction and comparison of biometric features
  Grzegorz Ruciński, Wydział Fizyki, 2013
• Advanced MEMS Systems
  Lesław Nowakowski, Wydział Fizyki, 2009
• Modeling of silicon wet etching with application to microlens fabrication
  Maciej Barański, Wydział Fizyki, 2009
• Tunable bragg filter "Optical saw"
  Arkadiusz Zychewicz, Wydział Fizyki, 2007
• Electromagnetic waves on material boundaries
  Tho Do Duc, Wydział Fizyki, 2006

Bachelor

• Study on the impact of Meibomian glands atrophy on the quality of vision
  Izabela Kozłowska, Wydział Fizyki, Uniwersytet Warszawski, 2019
• Grin lenses
  Karol Stechnij, Wydział Fizyki, 2016
• Estimation of air pollutions based on satellite images
  Anna Florkowska, MSOŚ, 2011
• Unsupervised classification in the analysis of satellite imagery
  Agnieszka Wierzbowska, MSOŚ, 2010
• The imaging of the state of the atmosphere on 20th July 2007 on the selected radar products
  Emilia Chojnowska, MSOŚ, 2010
• Analysing satellite images in order to detect rivers and water reservoirs
  Małgorzata Janusz, Wydział Fizyki, 2009
• Optical sorting system
  Maciej Barański, Wydział Fizyki, 2006
• 
  Jakub Teska, Wydział Fizyki, 2004

Master of Science Dissartation

• 
  Bartosz Borucki, Wydział Fizyki, 2015
• 
  Katarzyna Mikulska, Wydział Fizyki, 2005
• 
  Paweł Topór, Wydział Fizyki, 2004

Bachelor thesis

• Application of adaptive optics in eye imaging
  Marta Lewandowska, Wydział Fizyki, Uniwersytet Warszawski, 2019
• Selected medical applications of holography
  Paulina Łagowska, Wydział Fizyki, 2018
• Experimental determination of material dispersion characteristics for optical materials, with a goniometer
  Katarzyna Semeniuk, Wydział Fizyki, 2018
• Diagnostic Ultrasonography of the Eye
  Emilia Kozłowska, Wydział Fizyki, 2014
• Biomeric features- identification and verification
  Justyna Moroz, Wydział Fizyki, 2014
• 
  Szymon Chrząstowski, Wydział Fizyki, 2004
• 
  Elwira Bojanowska, Wydział Fizyki, 2004