Propagation characteristics of the Yb-doped fiber lasers after spectral beam combining by the VBGs
The propagation model for the spectral beam combining system of five Yb-doped fiber laser beams by the volume Bragg gratings (VBGs) has been built up. Considering the surface distortion by thermal effect, the intensity of an individual beam passing through the spectral beam combining system by the V...
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| Veröffentlicht in: | Optics communications 2011, Vol.284 (1), p.306-311 |
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| creator | Yin, Suqin Zhang, Bin Dan, Youquan |
| description | The propagation model for the spectral beam combining system of five Yb-doped fiber laser beams by the volume Bragg gratings (VBGs) has been built up. Considering the surface distortion by thermal effect, the intensity of an individual beam passing through the spectral beam combining system by the VBGs with deformation has been analyzed numerically and iteratively by using finite-different and sparse matrix methods, and the intensity of combined beam has been studied by the principle of incoherent superposition. Consequently, according to the intensity second-order moments method, the
M
2-factor of the combined beam has been calculated. The effects of deformation of the VBGs on the intensity, the combining efficiency, the
M
2-factor and the power in the bucket of the combined beam have been analyzed quantitatively. It can be shown that the effects of the deformation of the VBGs on the intensity distribution of combined beam become more and more obvious with the increasing of the deformation of the VBGs. The results show that the surface distortion of the VBGs due to high-power lasers dramatically degrades both the beam quality of the combined beam and the combining efficiency of the spectral beam combining system. |
| doi_str_mv | 10.1016/j.optcom.2010.08.026 |
| format | Article |
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M
2-factor of the combined beam has been calculated. The effects of deformation of the VBGs on the intensity, the combining efficiency, the
M
2-factor and the power in the bucket of the combined beam have been analyzed quantitatively. It can be shown that the effects of the deformation of the VBGs on the intensity distribution of combined beam become more and more obvious with the increasing of the deformation of the VBGs. The results show that the surface distortion of the VBGs due to high-power lasers dramatically degrades both the beam quality of the combined beam and the combining efficiency of the spectral beam combining system.</description><identifier>ISSN: 0030-4018</identifier><identifier>EISSN: 1873-0310</identifier><identifier>DOI: 10.1016/j.optcom.2010.08.026</identifier><identifier>CODEN: OPCOB8</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Beams (radiation) ; Combining efficiency ; Computational efficiency ; Deformation ; Exact sciences and technology ; Fiber lasers ; Fundamental areas of phenomenology (including applications) ; High-power fiber lasers ; Holographic optical elements; holographic gratings ; Holography ; Lasers ; M2-factor ; Mathematical models ; Optics ; Physics ; Spectra ; Spectral beam combining ; Surface distortion ; The power in the bucket ; Volume Bragg grating ; Volume holograms ; Wave optics ; Wave propagation, transmission and absorption</subject><ispartof>Optics communications, 2011, Vol.284 (1), p.306-311</ispartof><rights>2010 Elsevier B.V.</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c317t-f1c636115e46f9db551e9a15084d7c7966908679d7c55b73fbccda19abad00ed3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S003040181000862X$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3536,4009,27902,27903,27904,65309</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=23507866$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Yin, Suqin</creatorcontrib><creatorcontrib>Zhang, Bin</creatorcontrib><creatorcontrib>Dan, Youquan</creatorcontrib><title>Propagation characteristics of the Yb-doped fiber lasers after spectral beam combining by the VBGs</title><title>Optics communications</title><description>The propagation model for the spectral beam combining system of five Yb-doped fiber laser beams by the volume Bragg gratings (VBGs) has been built up. Considering the surface distortion by thermal effect, the intensity of an individual beam passing through the spectral beam combining system by the VBGs with deformation has been analyzed numerically and iteratively by using finite-different and sparse matrix methods, and the intensity of combined beam has been studied by the principle of incoherent superposition. Consequently, according to the intensity second-order moments method, the
M
2-factor of the combined beam has been calculated. The effects of deformation of the VBGs on the intensity, the combining efficiency, the
M
2-factor and the power in the bucket of the combined beam have been analyzed quantitatively. It can be shown that the effects of the deformation of the VBGs on the intensity distribution of combined beam become more and more obvious with the increasing of the deformation of the VBGs. The results show that the surface distortion of the VBGs due to high-power lasers dramatically degrades both the beam quality of the combined beam and the combining efficiency of the spectral beam combining system.</description><subject>Beams (radiation)</subject><subject>Combining efficiency</subject><subject>Computational efficiency</subject><subject>Deformation</subject><subject>Exact sciences and technology</subject><subject>Fiber lasers</subject><subject>Fundamental areas of phenomenology (including applications)</subject><subject>High-power fiber lasers</subject><subject>Holographic optical elements; holographic gratings</subject><subject>Holography</subject><subject>Lasers</subject><subject>M2-factor</subject><subject>Mathematical models</subject><subject>Optics</subject><subject>Physics</subject><subject>Spectra</subject><subject>Spectral beam combining</subject><subject>Surface distortion</subject><subject>The power in the bucket</subject><subject>Volume Bragg grating</subject><subject>Volume holograms</subject><subject>Wave optics</subject><subject>Wave propagation, transmission and absorption</subject><issn>0030-4018</issn><issn>1873-0310</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNp9kM9LHDEUx0Ox4Kr9DzzkUnqa7ctmJpO5FKpUWxDaQxV6Ci_Ji2aZnUyTUfC_b9YVjz2FFz7f9-PD2LmAtQChPm_XaV5c2q03UL9Ar2Gj3rGV0L1sQAo4YisACU0LQh-zk1K2ACBaqVfM_sppxntcYpq4e8CMbqEcyxJd4Snw5YH4H9v4NJPnIVrKfMRCuXAMFeRlJrdkHLkl3PG6g41TnO65fX6J3l1clzP2PuBY6MPre8pur779vvze3Py8_nH59aZxUvRLE4RTUgnRUavC4G3XCRpQdKBb37t-UGoArfqhFl1nexmscx7FgBY9AHl5yj4d-s45_X2ksphdLI7GESdKj8XoQW1E2w59JdsD6XIqJVMwc447zM9GgNkbNVtzMGr2Rg1oU43W2MfXAVgcjiHj5GJ5y25kB71We-7LgaN67VOkbIqLNDnyMVdbxqf4_0H_AIVsjtY</recordid><startdate>2011</startdate><enddate>2011</enddate><creator>Yin, Suqin</creator><creator>Zhang, Bin</creator><creator>Dan, Youquan</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7U5</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope></search><sort><creationdate>2011</creationdate><title>Propagation characteristics of the Yb-doped fiber lasers after spectral beam combining by the VBGs</title><author>Yin, Suqin ; Zhang, Bin ; Dan, Youquan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c317t-f1c636115e46f9db551e9a15084d7c7966908679d7c55b73fbccda19abad00ed3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Beams (radiation)</topic><topic>Combining efficiency</topic><topic>Computational efficiency</topic><topic>Deformation</topic><topic>Exact sciences and technology</topic><topic>Fiber lasers</topic><topic>Fundamental areas of phenomenology (including applications)</topic><topic>High-power fiber lasers</topic><topic>Holographic optical elements; holographic gratings</topic><topic>Holography</topic><topic>Lasers</topic><topic>M2-factor</topic><topic>Mathematical models</topic><topic>Optics</topic><topic>Physics</topic><topic>Spectra</topic><topic>Spectral beam combining</topic><topic>Surface distortion</topic><topic>The power in the bucket</topic><topic>Volume Bragg grating</topic><topic>Volume holograms</topic><topic>Wave optics</topic><topic>Wave propagation, transmission and absorption</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yin, Suqin</creatorcontrib><creatorcontrib>Zhang, Bin</creatorcontrib><creatorcontrib>Dan, Youquan</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Optics communications</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yin, Suqin</au><au>Zhang, Bin</au><au>Dan, Youquan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Propagation characteristics of the Yb-doped fiber lasers after spectral beam combining by the VBGs</atitle><jtitle>Optics communications</jtitle><date>2011</date><risdate>2011</risdate><volume>284</volume><issue>1</issue><spage>306</spage><epage>311</epage><pages>306-311</pages><issn>0030-4018</issn><eissn>1873-0310</eissn><coden>OPCOB8</coden><abstract>The propagation model for the spectral beam combining system of five Yb-doped fiber laser beams by the volume Bragg gratings (VBGs) has been built up. Considering the surface distortion by thermal effect, the intensity of an individual beam passing through the spectral beam combining system by the VBGs with deformation has been analyzed numerically and iteratively by using finite-different and sparse matrix methods, and the intensity of combined beam has been studied by the principle of incoherent superposition. Consequently, according to the intensity second-order moments method, the
M
2-factor of the combined beam has been calculated. The effects of deformation of the VBGs on the intensity, the combining efficiency, the
M
2-factor and the power in the bucket of the combined beam have been analyzed quantitatively. It can be shown that the effects of the deformation of the VBGs on the intensity distribution of combined beam become more and more obvious with the increasing of the deformation of the VBGs. The results show that the surface distortion of the VBGs due to high-power lasers dramatically degrades both the beam quality of the combined beam and the combining efficiency of the spectral beam combining system.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.optcom.2010.08.026</doi><tpages>6</tpages></addata></record> |
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| ispartof | Optics communications, 2011, Vol.284 (1), p.306-311 |
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| source | Elsevier ScienceDirect Journals |
| subjects | Beams (radiation) Combining efficiency Computational efficiency Deformation Exact sciences and technology Fiber lasers Fundamental areas of phenomenology (including applications) High-power fiber lasers Holographic optical elements holographic gratings Holography Lasers M2-factor Mathematical models Optics Physics Spectra Spectral beam combining Surface distortion The power in the bucket Volume Bragg grating Volume holograms Wave optics Wave propagation, transmission and absorption |
| title | Propagation characteristics of the Yb-doped fiber lasers after spectral beam combining by the VBGs |
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