Investigation of Photo-Darkening-Induced Thermal Load in Yb-Doped Fiber Lasers
We report on our investigation of photo-darkening (PD)-induced thermal load in Yb-doped fiber lasers and the effective suppression by H 2 -loading. Compared with a quantum defect, the contribution of heat produced by PD was evaluated, indicating PD may become the primary heat source. To reduce the h...
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| Veröffentlicht in: | IEEE photonics technology letters 2019-06, Vol.31 (11), p.809-812 |
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| container_title | IEEE photonics technology letters |
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| creator | Cao, Ruiting Yang, Luyun Li, Jinyan Wang, Yibo Chen, Gui Zhao, Nan Xing, Yingbin Liu, Yehui Lin, Xianfeng Cheng, Yongshi Li, Haiqing |
| description | We report on our investigation of photo-darkening (PD)-induced thermal load in Yb-doped fiber lasers and the effective suppression by H 2 -loading. Compared with a quantum defect, the contribution of heat produced by PD was evaluated, indicating PD may become the primary heat source. To reduce the heat generation, the effect of H 2 -loading on thermal load was quantitatively analyzed. The experimental results showed that 86% of PD loss was mitigated and 82% of PD-induced thermal load was eliminated by H 2 -loading. In contrast, due to the presence of extra heat source, only 14% heat decreased in the Ce-doped fiber at similar PD loss level. The results indicate that H 2 -loading is promising for further improving the stable operation of fiber lasers. |
| doi_str_mv | 10.1109/LPT.2019.2906773 |
| format | Article |
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Compared with a quantum defect, the contribution of heat produced by PD was evaluated, indicating PD may become the primary heat source. To reduce the heat generation, the effect of H 2 -loading on thermal load was quantitatively analyzed. The experimental results showed that 86% of PD loss was mitigated and 82% of PD-induced thermal load was eliminated by H 2 -loading. In contrast, due to the presence of extra heat source, only 14% heat decreased in the Ce-doped fiber at similar PD loss level. The results indicate that H 2 -loading is promising for further improving the stable operation of fiber lasers.</description><identifier>ISSN: 1041-1135</identifier><identifier>EISSN: 1941-0174</identifier><identifier>DOI: 10.1109/LPT.2019.2906773</identifier><identifier>CODEN: IPTLEL</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Cerium ; Doped fibers ; Fiber lasers ; Heat generation ; Heating systems ; Lasers ; Loss measurement ; Maintenance management ; Measurement by laser beam ; Optical fiber lasers ; Photodarkening ; Power lasers ; Temperature measurement ; Thermal analysis ; Thermal loading ; Ytterbium</subject><ispartof>IEEE photonics technology letters, 2019-06, Vol.31 (11), p.809-812</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2019</rights><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c338t-83f688e4226b71e3696e57e850e6f4f90132f5d2b2cf7b8999c040c0a6c248c23</citedby><cites>FETCH-LOGICAL-c338t-83f688e4226b71e3696e57e850e6f4f90132f5d2b2cf7b8999c040c0a6c248c23</cites><orcidid>0000-0002-3543-4525 ; 0000-0001-9704-3768 ; 0000-0001-5916-3101 ; 0000-0002-4305-897X</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/8672624$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,780,784,796,27923,27924,54757</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/8672624$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Cao, Ruiting</creatorcontrib><creatorcontrib>Yang, Luyun</creatorcontrib><creatorcontrib>Li, Jinyan</creatorcontrib><creatorcontrib>Wang, Yibo</creatorcontrib><creatorcontrib>Chen, Gui</creatorcontrib><creatorcontrib>Zhao, Nan</creatorcontrib><creatorcontrib>Xing, Yingbin</creatorcontrib><creatorcontrib>Liu, Yehui</creatorcontrib><creatorcontrib>Lin, Xianfeng</creatorcontrib><creatorcontrib>Cheng, Yongshi</creatorcontrib><creatorcontrib>Li, Haiqing</creatorcontrib><title>Investigation of Photo-Darkening-Induced Thermal Load in Yb-Doped Fiber Lasers</title><title>IEEE photonics technology letters</title><addtitle>LPT</addtitle><description>We report on our investigation of photo-darkening (PD)-induced thermal load in Yb-doped fiber lasers and the effective suppression by H 2 -loading. Compared with a quantum defect, the contribution of heat produced by PD was evaluated, indicating PD may become the primary heat source. To reduce the heat generation, the effect of H 2 -loading on thermal load was quantitatively analyzed. The experimental results showed that 86% of PD loss was mitigated and 82% of PD-induced thermal load was eliminated by H 2 -loading. In contrast, due to the presence of extra heat source, only 14% heat decreased in the Ce-doped fiber at similar PD loss level. The results indicate that H 2 -loading is promising for further improving the stable operation of fiber lasers.</description><subject>Cerium</subject><subject>Doped fibers</subject><subject>Fiber lasers</subject><subject>Heat generation</subject><subject>Heating systems</subject><subject>Lasers</subject><subject>Loss measurement</subject><subject>Maintenance management</subject><subject>Measurement by laser beam</subject><subject>Optical fiber lasers</subject><subject>Photodarkening</subject><subject>Power lasers</subject><subject>Temperature measurement</subject><subject>Thermal analysis</subject><subject>Thermal loading</subject><subject>Ytterbium</subject><issn>1041-1135</issn><issn>1941-0174</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kM1LAzEQxYMoWKt3wcuC56352nwcpVotLNpDPXgK2eyk3dpuatIK_vemtHiaB_PeG-aH0C3BI0Kwfqhn8xHFRI-oxkJKdoYGRHNSYiL5edY4a0JYdYmuUlphTHjF-AC9TfsfSLtuYXdd6Ivgi9ky7EL5ZOMX9F2_KKd9u3fQFvMlxI1dF3WwbdH1xWdTPoVtXky6BmJR2wQxXaMLb9cJbk5ziD4mz_Pxa1m_v0zHj3XpGFO7UjEvlAJOqWgkASa0gEqCqjAIz73GhFFftbShzstGaa0d5thhKxzlylE2RPfH3m0M3_v8gFmFfezzSUMprZTMVQcXPrpcDClF8GYbu42Nv4Zgc6BmMjVzoGZO1HLk7hjpAODfroSkgnL2BxHCZpY</recordid><startdate>20190601</startdate><enddate>20190601</enddate><creator>Cao, Ruiting</creator><creator>Yang, Luyun</creator><creator>Li, Jinyan</creator><creator>Wang, Yibo</creator><creator>Chen, Gui</creator><creator>Zhao, Nan</creator><creator>Xing, Yingbin</creator><creator>Liu, Yehui</creator><creator>Lin, Xianfeng</creator><creator>Cheng, Yongshi</creator><creator>Li, Haiqing</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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Compared with a quantum defect, the contribution of heat produced by PD was evaluated, indicating PD may become the primary heat source. To reduce the heat generation, the effect of H 2 -loading on thermal load was quantitatively analyzed. The experimental results showed that 86% of PD loss was mitigated and 82% of PD-induced thermal load was eliminated by H 2 -loading. In contrast, due to the presence of extra heat source, only 14% heat decreased in the Ce-doped fiber at similar PD loss level. The results indicate that H 2 -loading is promising for further improving the stable operation of fiber lasers.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/LPT.2019.2906773</doi><tpages>4</tpages><orcidid>https://orcid.org/0000-0002-3543-4525</orcidid><orcidid>https://orcid.org/0000-0001-9704-3768</orcidid><orcidid>https://orcid.org/0000-0001-5916-3101</orcidid><orcidid>https://orcid.org/0000-0002-4305-897X</orcidid></addata></record> |
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| subjects | Cerium Doped fibers Fiber lasers Heat generation Heating systems Lasers Loss measurement Maintenance management Measurement by laser beam Optical fiber lasers Photodarkening Power lasers Temperature measurement Thermal analysis Thermal loading Ytterbium |
| title | Investigation of Photo-Darkening-Induced Thermal Load in Yb-Doped Fiber Lasers |
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