Research on Photo-Radiation Darkening Performance of Ytterbium-Doped Silica Fibers for Space Applications
Yb 3+ /Al 3+ -doped and Yb 3+ /Al 3+ /P 5+ -doped silica fibers with almost identical Yb 3+ doping concentrations were prepared using modified chemical vapor deposition methods. A harsh experimental environment for simultaneous photo-darkening (PD) and radio-darkening (RD) of an ytterbium-doped sili...
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| Veröffentlicht in: | Journal of lightwave technology 2019-02, Vol.37 (4), p.1091-1097 |
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| container_title | Journal of lightwave technology |
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| creator | Xie, Fenghou Shao, Chongyun Wang, Meng Lou, Fengguang Liu, Minbo Yu, Chunlei Feng, Suya Ye, Xisheng Hu, Lili |
| description | Yb 3+ /Al 3+ -doped and Yb 3+ /Al 3+ /P 5+ -doped silica fibers with almost identical Yb 3+ doping concentrations were prepared using modified chemical vapor deposition methods. A harsh experimental environment for simultaneous photo-darkening (PD) and radio-darkening (RD) of an ytterbium-doped silica fiber (YDF) was established. The RD, PD, and photo-radio-darkening (PRD) of the YDF were characterized at two dose rates of 0.1 rad(Si)/s and 1 rad(Si)/s. The laser performances before and after the darkening process were tested under 974-nm pumping. The results demonstrated that the PD largely dominated the PRD kinetics of the YDF at a low dose rate (e.g., that in space) and that the PRD was not a superposition of RD and PD owing to the pump light bleaching if the induced loss was larger than the PD equilibrium level. The induced loss and defect types were investigated through absorption spectra and electron paramagnetic resonance. The results revealed that the P doping could enhance the PD, RD, and PRD resistances by inhibiting the formation of aluminum-oxygen hole centers. |
| doi_str_mv | 10.1109/JLT.2018.2886253 |
| format | Article |
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A harsh experimental environment for simultaneous photo-darkening (PD) and radio-darkening (RD) of an ytterbium-doped silica fiber (YDF) was established. The RD, PD, and photo-radio-darkening (PRD) of the YDF were characterized at two dose rates of 0.1 rad(Si)/s and 1 rad(Si)/s. The laser performances before and after the darkening process were tested under 974-nm pumping. The results demonstrated that the PD largely dominated the PRD kinetics of the YDF at a low dose rate (e.g., that in space) and that the PRD was not a superposition of RD and PD owing to the pump light bleaching if the induced loss was larger than the PD equilibrium level. The induced loss and defect types were investigated through absorption spectra and electron paramagnetic resonance. The results revealed that the P doping could enhance the PD, RD, and PRD resistances by inhibiting the formation of aluminum-oxygen hole centers.</description><identifier>ISSN: 0733-8724</identifier><identifier>EISSN: 1558-2213</identifier><identifier>DOI: 10.1109/JLT.2018.2886253</identifier><identifier>CODEN: JLTEDG</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Absorption spectra ; Bleaching ; Chemical vapor deposition ; Darkening ; Defects in silica glass ; Doping ; Dosage ; Electron paramagnetic resonance ; Fiber lasers ; Laser excitation ; Optical fiber testing ; Organic chemistry ; photo-radio darkening ; photodarkening ; Power lasers ; Probes ; Pump lasers ; radio-darkening ; Silicon compounds ; Silicon dioxide ; Space applications ; Superposition (mathematics) ; Ytterbium ; ytterbium doped silica fiber</subject><ispartof>Journal of lightwave technology, 2019-02, Vol.37 (4), p.1091-1097</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2019</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c291t-631900f241e36876e0c3fb3e358c90df4a7240ebeb49d35f39543d024d6409223</citedby><cites>FETCH-LOGICAL-c291t-631900f241e36876e0c3fb3e358c90df4a7240ebeb49d35f39543d024d6409223</cites><orcidid>0000-0003-2342-5688 ; 0000-0002-6377-4295 ; 0000-0003-0704-2206 ; 0000-0001-8527-3160</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/8573903$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,777,781,793,27905,27906,54739</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/8573903$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Xie, Fenghou</creatorcontrib><creatorcontrib>Shao, Chongyun</creatorcontrib><creatorcontrib>Wang, Meng</creatorcontrib><creatorcontrib>Lou, Fengguang</creatorcontrib><creatorcontrib>Liu, Minbo</creatorcontrib><creatorcontrib>Yu, Chunlei</creatorcontrib><creatorcontrib>Feng, Suya</creatorcontrib><creatorcontrib>Ye, Xisheng</creatorcontrib><creatorcontrib>Hu, Lili</creatorcontrib><title>Research on Photo-Radiation Darkening Performance of Ytterbium-Doped Silica Fibers for Space Applications</title><title>Journal of lightwave technology</title><addtitle>JLT</addtitle><description>Yb 3+ /Al 3+ -doped and Yb 3+ /Al 3+ /P 5+ -doped silica fibers with almost identical Yb 3+ doping concentrations were prepared using modified chemical vapor deposition methods. A harsh experimental environment for simultaneous photo-darkening (PD) and radio-darkening (RD) of an ytterbium-doped silica fiber (YDF) was established. The RD, PD, and photo-radio-darkening (PRD) of the YDF were characterized at two dose rates of 0.1 rad(Si)/s and 1 rad(Si)/s. The laser performances before and after the darkening process were tested under 974-nm pumping. The results demonstrated that the PD largely dominated the PRD kinetics of the YDF at a low dose rate (e.g., that in space) and that the PRD was not a superposition of RD and PD owing to the pump light bleaching if the induced loss was larger than the PD equilibrium level. The induced loss and defect types were investigated through absorption spectra and electron paramagnetic resonance. The results revealed that the P doping could enhance the PD, RD, and PRD resistances by inhibiting the formation of aluminum-oxygen hole centers.</description><subject>Absorption spectra</subject><subject>Bleaching</subject><subject>Chemical vapor deposition</subject><subject>Darkening</subject><subject>Defects in silica glass</subject><subject>Doping</subject><subject>Dosage</subject><subject>Electron paramagnetic resonance</subject><subject>Fiber lasers</subject><subject>Laser excitation</subject><subject>Optical fiber testing</subject><subject>Organic chemistry</subject><subject>photo-radio darkening</subject><subject>photodarkening</subject><subject>Power lasers</subject><subject>Probes</subject><subject>Pump lasers</subject><subject>radio-darkening</subject><subject>Silicon compounds</subject><subject>Silicon dioxide</subject><subject>Space applications</subject><subject>Superposition (mathematics)</subject><subject>Ytterbium</subject><subject>ytterbium doped silica fiber</subject><issn>0733-8724</issn><issn>1558-2213</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kD1PwzAQhi0EEqWwI7FYYk7xZ2KPFVA-VImqLQOT5SRn6tLGwU4H_j2JiphOp3veO92D0DUlE0qJvnudryeMUDVhSuVM8hM0olKqjDHKT9GIFJxnqmDiHF2ktCWECqGKEfJLSGBjtcGhwYtN6EK2tLW3ne_7Bxu_oPHNJ15AdCHubVMBDg5_dB3E0h_22UNoocYrv_OVxTNfQky4J_GqtT06bdthMCxLl-jM2V2Cq786Ru-zx_X9czZ_e3q5n86zimnaZTmnmhDHBAWeqyIHUnFXcuBSVZrUTtj-CQIllELXXDqupeA1YaLOBdGM8TG6Pe5tY_g-QOrMNhxi0580jKpC55IWA0WOVBVDShGcaaPf2_hjKDGDUNMLNYNQ8ye0j9wcIx4A_nElC64J578g63D6</recordid><startdate>20190215</startdate><enddate>20190215</enddate><creator>Xie, Fenghou</creator><creator>Shao, Chongyun</creator><creator>Wang, Meng</creator><creator>Lou, Fengguang</creator><creator>Liu, Minbo</creator><creator>Yu, Chunlei</creator><creator>Feng, Suya</creator><creator>Ye, Xisheng</creator><creator>Hu, Lili</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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A harsh experimental environment for simultaneous photo-darkening (PD) and radio-darkening (RD) of an ytterbium-doped silica fiber (YDF) was established. The RD, PD, and photo-radio-darkening (PRD) of the YDF were characterized at two dose rates of 0.1 rad(Si)/s and 1 rad(Si)/s. The laser performances before and after the darkening process were tested under 974-nm pumping. The results demonstrated that the PD largely dominated the PRD kinetics of the YDF at a low dose rate (e.g., that in space) and that the PRD was not a superposition of RD and PD owing to the pump light bleaching if the induced loss was larger than the PD equilibrium level. The induced loss and defect types were investigated through absorption spectra and electron paramagnetic resonance. 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| subjects | Absorption spectra Bleaching Chemical vapor deposition Darkening Defects in silica glass Doping Dosage Electron paramagnetic resonance Fiber lasers Laser excitation Optical fiber testing Organic chemistry photo-radio darkening photodarkening Power lasers Probes Pump lasers radio-darkening Silicon compounds Silicon dioxide Space applications Superposition (mathematics) Ytterbium ytterbium doped silica fiber |
| title | Research on Photo-Radiation Darkening Performance of Ytterbium-Doped Silica Fibers for Space Applications |
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