Coherent combining of fiber arrays using passive phasing
Passive phasing is a promising method for coherently combining high power fiber laser system. In contrast to active phasing where a master oscillator feeds an array of fiber amplifiers and the phase error for each amplifier is measured and corrected by an electro-optic phase modulator; passive phasi...
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| creator | Shakir, S.A. |
| description | Passive phasing is a promising method for coherently combining high power fiber laser system. In contrast to active phasing where a master oscillator feeds an array of fiber amplifiers and the phase error for each amplifier is measured and corrected by an electro-optic phase modulator; passive phasing corrects phase errors automatically. In a typical passive phasing system, a feedback signal closes the loop and an appropriate filtering mechanism in the feedback loop forces the system to operate at a wavelength that has the highest feedback and consequently minimum phase error. Minimum phase error leads to maximum system Strehl. |
| doi_str_mv | 10.1109/LEOS.2008.4688899 |
| format | Conference Proceeding |
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In contrast to active phasing where a master oscillator feeds an array of fiber amplifiers and the phase error for each amplifier is measured and corrected by an electro-optic phase modulator; passive phasing corrects phase errors automatically. In a typical passive phasing system, a feedback signal closes the loop and an appropriate filtering mechanism in the feedback loop forces the system to operate at a wavelength that has the highest feedback and consequently minimum phase error. Minimum phase error leads to maximum system Strehl.</description><identifier>ISSN: 1092-8081</identifier><identifier>ISBN: 9781424419319</identifier><identifier>ISBN: 142441931X</identifier><identifier>EISSN: 2766-1733</identifier><identifier>EISBN: 9781424419326</identifier><identifier>EISBN: 1424419328</identifier><identifier>DOI: 10.1109/LEOS.2008.4688899</identifier><language>eng</language><publisher>IEEE</publisher><subject>Error correction ; Feedback loop ; Feeds ; Force feedback ; High power fiber lasers ; Oscillators ; Phase measurement ; Phase modulation ; Phased arrays ; Wavelength measurement</subject><ispartof>LEOS 2008 - 21st Annual Meeting of the IEEE Lasers and Electro-Optics Society, 2008, p.872-873</ispartof><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/4688899$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>309,310,776,780,785,786,2052,27902,54895</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/4688899$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Shakir, S.A.</creatorcontrib><title>Coherent combining of fiber arrays using passive phasing</title><title>LEOS 2008 - 21st Annual Meeting of the IEEE Lasers and Electro-Optics Society</title><addtitle>LEOS</addtitle><description>Passive phasing is a promising method for coherently combining high power fiber laser system. In contrast to active phasing where a master oscillator feeds an array of fiber amplifiers and the phase error for each amplifier is measured and corrected by an electro-optic phase modulator; passive phasing corrects phase errors automatically. In a typical passive phasing system, a feedback signal closes the loop and an appropriate filtering mechanism in the feedback loop forces the system to operate at a wavelength that has the highest feedback and consequently minimum phase error. Minimum phase error leads to maximum system Strehl.</description><subject>Error correction</subject><subject>Feedback loop</subject><subject>Feeds</subject><subject>Force feedback</subject><subject>High power fiber lasers</subject><subject>Oscillators</subject><subject>Phase measurement</subject><subject>Phase modulation</subject><subject>Phased arrays</subject><subject>Wavelength measurement</subject><issn>1092-8081</issn><issn>2766-1733</issn><isbn>9781424419319</isbn><isbn>142441931X</isbn><isbn>9781424419326</isbn><isbn>1424419328</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2008</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><sourceid>RIE</sourceid><recordid>eNpVUMlOwzAUNJtEKP0AxMU_kGC_53g5oqoFpEg90HtlOzY1okkUF6T-PY3ohdNoFs1IQ8gDZxXnzDw1y_V7BYzpSkittTEXZG6U5gKE4AZBXpIClJQlV4hX_zxurklx6oBSM81vyV3On4wBA6UKohf9LoyhO1Df713qUvdB-0hjcmGkdhztMdPvPKmDzTn9BDrs7MTvyU20XznMzzgjm9Vys3gtm_XL2-K5KZNhh9IL0zonAdG3EqdVyXUdrJMoPaKK4OoIsQXrwymrGDMBrPItciVMLXFGHv9qUwhhO4xpb8fj9vwB_gIlEUsK</recordid><startdate>200811</startdate><enddate>200811</enddate><creator>Shakir, S.A.</creator><general>IEEE</general><scope>6IE</scope><scope>6IH</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIO</scope></search><sort><creationdate>200811</creationdate><title>Coherent combining of fiber arrays using passive phasing</title><author>Shakir, S.A.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i90t-c49dbb6233cd6300206185eab636c337f2b5f2fd2acec497009e2a7cd31749563</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2008</creationdate><topic>Error correction</topic><topic>Feedback loop</topic><topic>Feeds</topic><topic>Force feedback</topic><topic>High power fiber lasers</topic><topic>Oscillators</topic><topic>Phase measurement</topic><topic>Phase modulation</topic><topic>Phased arrays</topic><topic>Wavelength measurement</topic><toplevel>online_resources</toplevel><creatorcontrib>Shakir, S.A.</creatorcontrib><collection>IEEE Electronic Library (IEL) Conference Proceedings</collection><collection>IEEE Proceedings Order Plan (POP) 1998-present by volume</collection><collection>IEEE Xplore All Conference Proceedings</collection><collection>IEEE Electronic Library (IEL)</collection><collection>IEEE Proceedings Order Plans (POP) 1998-present</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Shakir, S.A.</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>Coherent combining of fiber arrays using passive phasing</atitle><btitle>LEOS 2008 - 21st Annual Meeting of the IEEE Lasers and Electro-Optics Society</btitle><stitle>LEOS</stitle><date>2008-11</date><risdate>2008</risdate><spage>872</spage><epage>873</epage><pages>872-873</pages><issn>1092-8081</issn><eissn>2766-1733</eissn><isbn>9781424419319</isbn><isbn>142441931X</isbn><eisbn>9781424419326</eisbn><eisbn>1424419328</eisbn><abstract>Passive phasing is a promising method for coherently combining high power fiber laser system. In contrast to active phasing where a master oscillator feeds an array of fiber amplifiers and the phase error for each amplifier is measured and corrected by an electro-optic phase modulator; passive phasing corrects phase errors automatically. In a typical passive phasing system, a feedback signal closes the loop and an appropriate filtering mechanism in the feedback loop forces the system to operate at a wavelength that has the highest feedback and consequently minimum phase error. Minimum phase error leads to maximum system Strehl.</abstract><pub>IEEE</pub><doi>10.1109/LEOS.2008.4688899</doi><tpages>2</tpages></addata></record> |
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| identifier | ISSN: 1092-8081 |
| ispartof | LEOS 2008 - 21st Annual Meeting of the IEEE Lasers and Electro-Optics Society, 2008, p.872-873 |
| issn | 1092-8081 2766-1733 |
| language | eng |
| recordid | cdi_ieee_primary_4688899 |
| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | Error correction Feedback loop Feeds Force feedback High power fiber lasers Oscillators Phase measurement Phase modulation Phased arrays Wavelength measurement |
| title | Coherent combining of fiber arrays using passive phasing |
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