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High-power fiber laser with a polarizing diffraction grating milled on the facet of an optical fiber
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SYSNO ASEP 0468069 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title High-power fiber laser with a polarizing diffraction grating milled on the facet of an optical fiber Author(s) Vaněk, Martin (URE-Y)
Vaniš, Jan (URE-Y) RID
Baravets, Yauhen (URE-Y)
Todorov, Filip (URE-Y)
Čtyroký, Jiří (URE-Y) RID
Honzátko, Pavel (URE-Y) RIDNumber of authors 6 Source Title Optics Express. - : Optical Society of America - ISSN 1094-4087
Roč. 24, č. 26 (2016), s. 30225-30233Number of pages 9 s. Publication form Print - P Language eng - English Country US - United States Keywords Optical fibers ; Polarization ; Diffraction gratings Subject RIV JA - Electronics ; Optoelectronics, Electrical Engineering R&D Projects GA15-07908S GA ČR - Czech Science Foundation (CSF) Institutional support URE-Y - RVO:67985882 UT WOS 000390809100092 EID SCOPUS 85009347599 DOI 10.1364/OE.24.030225 Annotation We milled a sub-wavelength diffraction grating on the facet of a large mode area fiber. The diffraction grating had different reflectivities for TE and TM polarized light. It was tested in a thulium-doped fiber laser where it functioned as a low reflectivity output mirror integrated with an intracavity polarizer. Compared to the laser with a perpendicularly cleaved output fiber, the laser with diffraction grating had a slightly increased threshold power and the same slope efficiency. The beam quality factor M2 was not impaired. Polarization extinction ratios of about 20 dB that were observed at low laser powers dropped to 10 dB at high powers Workplace Institute of Radio Engineering and Electronics Contact Petr Vacek, vacek@ufe.cz, Tel.: 266 773 413, 266 773 438, 266 773 488 Year of Publishing 2017
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