Zobrazeno 1 - 10
of 40
pro vyhledávání: '"Christina B. Olausson"'
Autor:
Johannes Weirich, Ole Lumholt, Martin D. Maack, Danny Noordegraaf, Christina B. Olausson, Christian Jakobsen, Mette Marie Johansen, Thomas Tanggaard Alkeskjold, Marko Laurila
Publikováno v:
Nanophotonics, Vol 2, Iss 5-6, Pp 369-381 (2013)
In recent years, ultrafast laser systems using large-mode-area fiber amplifiers delivering several hundreds of watts of average power has attracted significant academic and industrial interest. These amplifiers can generate hundreds of kilowatts to m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a5e86fceda4099aaed6698e598f7e961
https://doaj.org/article/26a4b83880b54f2c92f0baf7c040cf6d
https://doaj.org/article/26a4b83880b54f2c92f0baf7c040cf6d
High power ytterbium fiber lasers at extremely long wavelengths by photonic bandgap fiber technology
Autor:
Jens K. Lyngsø, Ken-ichi Ueda, Akira Shirakawa, Jes Broeng, Meishin Chen, Christina B. Olausson
Publikováno v:
Optical Fiber Technology. 16:449-457
Yb-doped fiber laser operating at the long-wavelength edge (1150–1200 nm) of the broad gain spectrum has been investigated for yellow-orange sources. Power scaling in this region has been recently achieved by Yb-doped solid-core photonic bandgap fi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ca712a8c45e9795b57cc7e7280546e59
https://doi.org/10.1016/j.yofte.2010.09.003
https://doi.org/10.1016/j.yofte.2010.09.003
Autor:
Mingchen Chen, Sidsel Rübner Petersen, Akira Shirakawa, Jesper Lægsgaard, Thomas Tanggaard Alkeskjold, Christina B. Olausson
Publikováno v:
Optics letters. 40(8)
Amplification of 1178 nm light is demonstrated in a large-mode-area single-mode ytterbium-doped hybrid photonic crystal fiber, relying on distributed spectral filtering of spontaneous emission at shorter wavelengths. An output power of 53 W is achiev
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ff7f7ad6f886268c40ac0c62ad6e3f3e
https://pubmed.ncbi.nlm.nih.gov/25872062
https://pubmed.ncbi.nlm.nih.gov/25872062
Autor:
Christina B. Olausson, Donald L. Sipes, Daniel S. Schulz, Johannes Weirich, Thomas Tanggaard Alkeskjold, Jason D. Tafoya
Publikováno v:
SPIE Proceedings.
We report on the development and performance of a fully monolithic PCF amplifier that has achieved over 400 W with near diffraction limited beam quality with an approximately 1GHz phase modulated input. The key components for these amplifiers are an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::77a4804c1a3ce18ce6e76201aed3bfa1
https://doi.org/10.1117/12.2040345
https://doi.org/10.1117/12.2040345
Publikováno v:
SPIE Proceedings.
Frequency conversion through spontaneous degenerate four wave mixing (FWM) is investigated in large mode area hybrid photonic crystal fibers. Different FWM processes are observed, phasematching between fiber modes of orthogonal polarization, intermod
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::55c2f534d5decf79c0471ee66dd5058c
https://doi.org/10.1117/12.2036766
https://doi.org/10.1117/12.2036766
Autor:
Meishin Chen, Kazuya Saito, Sidsel Rübner Petersen, Henrik Tünnermann, Akira Shirakawa, Thomas Tanggaard Alkeskjold, M. Karow, Y. Suzuki, Xinyan Fan, Christina B. Olausson, K. Sato
Publikováno v:
Advanced Photonics.
Photonic bandgap fiber lasers are realizing new laser spectra and nonlinearity mitigation that a conventional fiber laser cannot. Multicore fiber lasers are a promising tool for power scaling by coherent beam combination.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e571d7a9995410821738a534c370405b
https://doi.org/10.1364/sof.2014.sotu4b.2
https://doi.org/10.1364/sof.2014.sotu4b.2
Publikováno v:
Advanced Solid State Lasers.
87 W CW single-frequency lineally-polarized signal amplification was obtained in a photonic bandgap fiber amplifier with suppressing SBS by linewidth broadening. The broadening was obtained via a phase modulator driven by a white Gaussian noise.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ff7ebcafedc812f674e7e6e2c65497ea
https://doi.org/10.1364/assl.2014.am5a.32
https://doi.org/10.1364/assl.2014.am5a.32
Autor:
Mingchen Chen, Emmi Kantola, Mircea Guina, Christina B. Olausson, Tomi Leinonen, Akira Shirakawa, Xinyan Fan, Jes Broeng
Publikováno v:
2013 Conference on Lasers and Electro-Optics Pacific Rim (CLEOPR).
We report a high power single-frequency 1178 nm laser combining an optically-pumped semiconductor disk laser and an Yb-doped photonic bandgap fiber amplifier. An output power of 31 W with
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0e9e34f1352452e6c564e910c0ccbc53
https://doi.org/10.1109/cleopr.2013.6599929
https://doi.org/10.1109/cleopr.2013.6599929
Publikováno v:
2013 Conference on Lasers and Electro-Optics Pacific Rim (CLEOPR).
A high power 1178nm Yb-doped photonic bandgap fiber laser is reported. A fiber Bragg grating and a Fresnel fiber end construct the resonator. 98W output power and 54% slope efficiency are achieved without parasitic lasing.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5a6bbad80665884a572ea66bb37a8f94
https://doi.org/10.1109/cleopr.2013.6600002
https://doi.org/10.1109/cleopr.2013.6600002
Autor:
Martin D. Maack, Jens K. Lyngsø, Sidsel Petersen, Johannes Weirich, Jesper Lagsgaard, Danny Noordegraaf, Kristian Rymann Hansen, Thomas Tanggaard Alkeskjold, Mette C. Jørgensen, Marko Laurila, Christina B. Olausson
Publikováno v:
2013 Conference on Lasers and Electro-Optics Pacific Rim (CLEOPR).
In this paper we present our recent result on utilizing resonant/bandgap fiber designs to achieve high performance ytterbium doped fiber amplifiers for achieving diffraction limited beam quality in large mode area fibers, robust bending performance a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f20a793b101a4e28bd012860ef7d1fba
https://doi.org/10.1109/cleopr.2013.6600009
https://doi.org/10.1109/cleopr.2013.6600009