Modulated spectral beam combining of diode laser array stack in an external cavity for the enhancement of beam quality
In the generation of side lobes, which is decided by mutual-locked mode (here, the definition of mutual-mode-locked is that the interference of space light between different emitters produces side lobes. where main lobe is decided by self-mode-locked, which is superposition after interference produc...
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| Veröffentlicht in: | Journal of optics (New Delhi) 2023-12, Vol.52 (4), p.1775-1781 |
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| container_title | Journal of optics (New Delhi) |
| container_volume | 52 |
| creator | Lu, Fei Chen, Fanglin Jiang, Maohua Lee, Jianmin Tian, Fei Tan, Hao Ye, Yidong Zhang, Wei Wang, Weize Yadav, Nagendra Parasad |
| description | In the generation of side lobes, which is decided by mutual-locked mode (here,
the definition of mutual-mode-locked is that the interference of space light between different emitters produces side lobes. where main lobe is decided by self-mode-locked, which is superposition after interference produced by the same emitters
) has a strong impact on beam quality for spectral beam combining of diode laser array stack in an external cavity. In this report, for the first time, the theoretical explanation of the interlocking mode is given, and the experimental results are in good agreement with the theoretical model. Secondly, a method of fully eliminating side lobes was presented. Finally, the implementation of spectral beam combining of diode laser bars is received, which contains six 800 nm Mini-Bars along the fast-axis direction in an external cavity. The output power of maximal 268 W with its combing efficiency of 100% and well-proportioned spectral distribution is achieved at 70 A of operation current, where the side lobes were fully eliminated. The results indicated that beam parameter product along the slow axis considered by one dimension is less than 8 mm × mrad. The beam quality is improved as a whole. |
| doi_str_mv | 10.1007/s12596-023-01146-5 |
| format | Article |
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the definition of mutual-mode-locked is that the interference of space light between different emitters produces side lobes. where main lobe is decided by self-mode-locked, which is superposition after interference produced by the same emitters
) has a strong impact on beam quality for spectral beam combining of diode laser array stack in an external cavity. In this report, for the first time, the theoretical explanation of the interlocking mode is given, and the experimental results are in good agreement with the theoretical model. Secondly, a method of fully eliminating side lobes was presented. Finally, the implementation of spectral beam combining of diode laser bars is received, which contains six 800 nm Mini-Bars along the fast-axis direction in an external cavity. The output power of maximal 268 W with its combing efficiency of 100% and well-proportioned spectral distribution is achieved at 70 A of operation current, where the side lobes were fully eliminated. The results indicated that beam parameter product along the slow axis considered by one dimension is less than 8 mm × mrad. The beam quality is improved as a whole.</description><identifier>ISSN: 0972-8821</identifier><identifier>EISSN: 0974-6900</identifier><identifier>DOI: 10.1007/s12596-023-01146-5</identifier><language>eng</language><publisher>New Delhi: Springer India</publisher><subject>Emitters ; Interference ; Laser arrays ; Lasers ; Lobes ; Optical Devices ; Optics ; Photonics ; Physics ; Physics and Astronomy ; Research Article ; Semiconductor lasers ; Sidelobes ; Spectral emittance</subject><ispartof>Journal of optics (New Delhi), 2023-12, Vol.52 (4), p.1775-1781</ispartof><rights>The Author(s), under exclusive licence to The Optical Society of India 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c319t-e3bb442456c07f963aa540e3f08487f7731cf5289911d4def2716c6cf2d4bd963</citedby><cites>FETCH-LOGICAL-c319t-e3bb442456c07f963aa540e3f08487f7731cf5289911d4def2716c6cf2d4bd963</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s12596-023-01146-5$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s12596-023-01146-5$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27923,27924,41487,42556,51318</link.rule.ids></links><search><creatorcontrib>Lu, Fei</creatorcontrib><creatorcontrib>Chen, Fanglin</creatorcontrib><creatorcontrib>Jiang, Maohua</creatorcontrib><creatorcontrib>Lee, Jianmin</creatorcontrib><creatorcontrib>Tian, Fei</creatorcontrib><creatorcontrib>Tan, Hao</creatorcontrib><creatorcontrib>Ye, Yidong</creatorcontrib><creatorcontrib>Zhang, Wei</creatorcontrib><creatorcontrib>Wang, Weize</creatorcontrib><creatorcontrib>Yadav, Nagendra Parasad</creatorcontrib><title>Modulated spectral beam combining of diode laser array stack in an external cavity for the enhancement of beam quality</title><title>Journal of optics (New Delhi)</title><addtitle>J Opt</addtitle><description>In the generation of side lobes, which is decided by mutual-locked mode (here,
the definition of mutual-mode-locked is that the interference of space light between different emitters produces side lobes. where main lobe is decided by self-mode-locked, which is superposition after interference produced by the same emitters
) has a strong impact on beam quality for spectral beam combining of diode laser array stack in an external cavity. In this report, for the first time, the theoretical explanation of the interlocking mode is given, and the experimental results are in good agreement with the theoretical model. Secondly, a method of fully eliminating side lobes was presented. Finally, the implementation of spectral beam combining of diode laser bars is received, which contains six 800 nm Mini-Bars along the fast-axis direction in an external cavity. The output power of maximal 268 W with its combing efficiency of 100% and well-proportioned spectral distribution is achieved at 70 A of operation current, where the side lobes were fully eliminated. The results indicated that beam parameter product along the slow axis considered by one dimension is less than 8 mm × mrad. The beam quality is improved as a whole.</description><subject>Emitters</subject><subject>Interference</subject><subject>Laser arrays</subject><subject>Lasers</subject><subject>Lobes</subject><subject>Optical Devices</subject><subject>Optics</subject><subject>Photonics</subject><subject>Physics</subject><subject>Physics and Astronomy</subject><subject>Research Article</subject><subject>Semiconductor lasers</subject><subject>Sidelobes</subject><subject>Spectral emittance</subject><issn>0972-8821</issn><issn>0974-6900</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><recordid>eNp9kE9PwyAYh4nRxGXuC3gi8VwFSqE9msV_yYwXPRMKL1u1pRvQxX17u9XEmyfew_M8IT-Erim5pYTIu0hZUYmMsDwjlHKRFWdoRirJM1ERcn66WVaWjF6iRYxNTQoiCCVFNUP7194OrU5gcdyCSUG3uAbdYdN3deMbv8a9w7bpLeBWRwhYh6APOCZtvnDjsfYYvhMEP4pG75t0wK4POG0Ag99ob6ADn46RU3Y36HZkrtCF022Exe87Rx-PD-_L52z19vSyvF9lJqdVyiCva84ZL4Qh0lUi17rgBHJHSl5KJ2VOjStYWVWUWm7BMUmFEcYxy2s78nN0M3W3od8NEJP67IfjX6NiZTkCTFA5UmyiTOhjDODUNjSdDgdFiTpOrKaJ1TixOk2silHKJymOsF9D-Ev_Y_0AEex_bQ</recordid><startdate>20231201</startdate><enddate>20231201</enddate><creator>Lu, Fei</creator><creator>Chen, Fanglin</creator><creator>Jiang, Maohua</creator><creator>Lee, Jianmin</creator><creator>Tian, Fei</creator><creator>Tan, Hao</creator><creator>Ye, Yidong</creator><creator>Zhang, Wei</creator><creator>Wang, Weize</creator><creator>Yadav, Nagendra Parasad</creator><general>Springer India</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20231201</creationdate><title>Modulated spectral beam combining of diode laser array stack in an external cavity for the enhancement of beam quality</title><author>Lu, Fei ; Chen, Fanglin ; Jiang, Maohua ; Lee, Jianmin ; Tian, Fei ; Tan, Hao ; Ye, Yidong ; Zhang, Wei ; Wang, Weize ; Yadav, Nagendra Parasad</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c319t-e3bb442456c07f963aa540e3f08487f7731cf5289911d4def2716c6cf2d4bd963</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Emitters</topic><topic>Interference</topic><topic>Laser arrays</topic><topic>Lasers</topic><topic>Lobes</topic><topic>Optical Devices</topic><topic>Optics</topic><topic>Photonics</topic><topic>Physics</topic><topic>Physics and Astronomy</topic><topic>Research Article</topic><topic>Semiconductor lasers</topic><topic>Sidelobes</topic><topic>Spectral emittance</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lu, Fei</creatorcontrib><creatorcontrib>Chen, Fanglin</creatorcontrib><creatorcontrib>Jiang, Maohua</creatorcontrib><creatorcontrib>Lee, Jianmin</creatorcontrib><creatorcontrib>Tian, Fei</creatorcontrib><creatorcontrib>Tan, Hao</creatorcontrib><creatorcontrib>Ye, Yidong</creatorcontrib><creatorcontrib>Zhang, Wei</creatorcontrib><creatorcontrib>Wang, Weize</creatorcontrib><creatorcontrib>Yadav, Nagendra Parasad</creatorcontrib><collection>CrossRef</collection><jtitle>Journal of optics (New Delhi)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lu, Fei</au><au>Chen, Fanglin</au><au>Jiang, Maohua</au><au>Lee, Jianmin</au><au>Tian, Fei</au><au>Tan, Hao</au><au>Ye, Yidong</au><au>Zhang, Wei</au><au>Wang, Weize</au><au>Yadav, Nagendra Parasad</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Modulated spectral beam combining of diode laser array stack in an external cavity for the enhancement of beam quality</atitle><jtitle>Journal of optics (New Delhi)</jtitle><stitle>J Opt</stitle><date>2023-12-01</date><risdate>2023</risdate><volume>52</volume><issue>4</issue><spage>1775</spage><epage>1781</epage><pages>1775-1781</pages><issn>0972-8821</issn><eissn>0974-6900</eissn><abstract>In the generation of side lobes, which is decided by mutual-locked mode (here,
the definition of mutual-mode-locked is that the interference of space light between different emitters produces side lobes. where main lobe is decided by self-mode-locked, which is superposition after interference produced by the same emitters
) has a strong impact on beam quality for spectral beam combining of diode laser array stack in an external cavity. In this report, for the first time, the theoretical explanation of the interlocking mode is given, and the experimental results are in good agreement with the theoretical model. Secondly, a method of fully eliminating side lobes was presented. Finally, the implementation of spectral beam combining of diode laser bars is received, which contains six 800 nm Mini-Bars along the fast-axis direction in an external cavity. The output power of maximal 268 W with its combing efficiency of 100% and well-proportioned spectral distribution is achieved at 70 A of operation current, where the side lobes were fully eliminated. The results indicated that beam parameter product along the slow axis considered by one dimension is less than 8 mm × mrad. The beam quality is improved as a whole.</abstract><cop>New Delhi</cop><pub>Springer India</pub><doi>10.1007/s12596-023-01146-5</doi><tpages>7</tpages></addata></record> |
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| subjects | Emitters Interference Laser arrays Lasers Lobes Optical Devices Optics Photonics Physics Physics and Astronomy Research Article Semiconductor lasers Sidelobes Spectral emittance |
| title | Modulated spectral beam combining of diode laser array stack in an external cavity for the enhancement of beam quality |
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