Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Krzysztof Switkowski"'
Autor:
Shan Liu, Krzysztof Switkowski, Chenglong Xu, Jie Tian, Bingxia Wang, Peixiang Lu, Wieslaw Krolikowski, Yan Sheng
Publikováno v:
Nature Communications, Vol 10, Iss 1, Pp 1-7 (2019)
Generation of light with desirable amplitude and phase profiles with nonlinear wavefront shaping is important for optical technologies. Here, the authors demonstrate nonlinear wavefront shaping with three-dimensional nonlinear photonic crystals forme
Externí odkaz:
https://doaj.org/article/e804ad26a550486c88a598dee595f056
Autor:
Shan Liu, Lei Wang, Leszek Mazur, Krzysztof Switkowski, Bingxia Wang, Feng Chen, Ady Arie, Wieslaw Krolikowski, Yan Sheng
Publikováno v:
Advanced Optical Materials.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cb4c46638702b181cfcd3dbf4093cb54
https://doi.org/10.1002/adom.202300021
https://doi.org/10.1002/adom.202300021
Autor:
Ryszard Buczynski, Ryszard Stepien, Bien Van Chu, Krzysztof Switkowski, Dariusz Pysz, Hieu Van Le, Wieslaw Krolikowski, Hue Thi Nguyen, Adam Filipkowski, Rafal Kasztelanic
Publikováno v:
Optics and Lasers in Engineering. 150:106841
We study optical performance of a vortex beam converter comprising a nanostructured gradient index vortex mask, a compact gradient index microlens and an optical fiber. The converter generates high quality focused optical vortex from the input Gaussi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8fe746f5891437b8600cb3aa0792f465
https://doi.org/10.1016/j.optlaseng.2021.106841
https://doi.org/10.1016/j.optlaseng.2021.106841
Autor:
Huaijin Zhang, Yan Sheng, Jiyang Wang, Krzysztof Switkowski, Xin Chen, Haohai Yu, Wieslaw Krolikowski, Tianxiang Xu, Kaloian Koynov, Shan Liu
Publikováno v:
Nature Photonics. 12:591-595
The performance of many optical devices based on frequency conversion critically depends on spatial modulation of the nonlinear optical response of materials. This modulation ensures efficient energy exchange between optical waves at different freque
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::060f309fdd14b81d0c8142d12759b6b6
https://doi.org/10.1038/s41566-018-0225-1
https://doi.org/10.1038/s41566-018-0225-1
Autor:
Wieslaw Krolikowski, R. Stepien, Hue Thi Nguyen, Adam Filipkowski, Krzysztof Switkowski, Rafal Kasztelanic, Alicja Anuszkiewicz, Dariusz Pysz, Ryszard Buczynski
Publikováno v:
2019 IEEE 2nd British and Irish Conference on Optics and Photonics (BICOP).
We have developed a new optical vortex generator based on flat-surface nanostructured gradient index vortex phase plate (VPP) integrated with optical single mode fiber (SMF). The considered phase plate was constructed of set of designed discrete sub-
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::675e4a39694776371dddb965e43fee1f
https://doi.org/10.1109/bicop48819.2019.9059582
https://doi.org/10.1109/bicop48819.2019.9059582
Publikováno v:
2019 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC).
Performance of many optical devices based on frequency conversion critically depends on spatial modulation of the nonlinear optical response of the materials. This modulation ensures, via the quasi phase matching (QPM)1, an efficient energy exchange
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b03d8b23a5822b3c023142abd28deab6
https://doi.org/10.1109/cleoe-eqec.2019.8873398
https://doi.org/10.1109/cleoe-eqec.2019.8873398
Autor:
Anna Kozanecka-Szmigiel, Barbara Trzebicka, Jolanta Konieczkowska, J. Antonowicz, Krzysztof Switkowski, Ewa Schab-Balcerzak, Dariusz Szmigiel
Publikováno v:
Journal of Photochemistry and Photobiology A: Chemistry. 318:114-123
This study presents the comparison between the photoresponsive behavior of a series of six poly(amide imide)s bearing azobenzene-derivative chromophores as side groups. The solubility, molecular weight, glass transition temperature and thermal stabil
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d5dd95ce5da120b3495ef7c3301554d7
https://doi.org/10.1016/j.jphotochem.2015.12.010
https://doi.org/10.1016/j.jphotochem.2015.12.010
Autor:
Ryszard Buczynski, Rafal Kasztelanic, Adam Filipkowski, Ryszard Stepien, Hue Thi Nguyen, Krzysztof Switkowski, Hieu Van Le, Dariusz Pysz, Wieslaw Krolikowski
Publikováno v:
Optics Communications. 477:126345
Novel fiber microprobe comprising a nanostructured gradient index optical vortex phase mask and single-mode fiber was investigated numerically and experimentally. The mask which, consists of spatially distributed sub-wavelength nanorods, was fabricat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8fec9bb244dfc9fa41dba0a5f6242cc5
https://doi.org/10.1016/j.optcom.2020.126345
https://doi.org/10.1016/j.optcom.2020.126345
Autor:
Alicja Anuszkiewicz, Ryszard Buczynski, Krzysztof Switkowski, Rafal Kasztelanic, Dariusz Pysz, Ryszard Stepien, Adam Filipkowski, Wieslaw Krolikowski, Hieu Van Le, Hue Thi Nguyen
Publikováno v:
Optics Communications. 463:125435
The optical performance of nanostructured gradient index vortex phase masks (VPMs) in various external media was investigated. We utilized a modified stack-and-draw technique to fabricate the microscopic-size masks. Its structure contains spatially d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::03a83a93fcf07db190fda916743476ee
https://doi.org/10.1016/j.optcom.2020.125435
https://doi.org/10.1016/j.optcom.2020.125435
Autor:
Crina Cojocaru, Jose Trull, Krzysztof Switkowski, Michael Scalora, Wieslaw Krolikowski, Bingxia Wang
Publikováno v:
Fiber Lasers and Glass Photonics: Materials through Applications.
We present an indirect and non-destructive optical method for domain statistic characterization in disordered nonlinear crystals, having a spatially random distribution of ferroelectric domains with homogeneous refractive index. This method, based on
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e35e947800695c79405d94094b61ebf3
https://doi.org/10.1117/12.2322627
https://doi.org/10.1117/12.2322627