Coherent combining of pulses amplified in wideband parametric amplifiers under multiple-beam pumping
The influence of fluctuations of pump beam parameters on the coherent combining efficiency of femtosecond pulses amplified in parametric amplifies based on LBO crystals under multiple- beam pumping is analysed. It is shown that in transition from a single-beam to two-beam pumping, the sensitivity of...
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| Veröffentlicht in: | Quantum electronics (Woodbury, N.Y.) N.Y.), 2018-04, Vol.48 (4), p.335-339 |
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| container_title | Quantum electronics (Woodbury, N.Y.) |
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| creator | Frolov, S.A. Trunov, V.I. Bagayev, S.N. |
| description | The influence of fluctuations of pump beam parameters on the coherent combining efficiency of femtosecond pulses amplified in parametric amplifies based on LBO crystals under multiple- beam pumping is analysed. It is shown that in transition from a single-beam to two-beam pumping, the sensitivity of the parameters of amplified radiation to angular instability of the pump beams sharply increases. With increasing number of the pump beams, the sensitivity of the parameters to fluctuations of the pump beam propagation angle weakly varies. It is found that if a substantial number (n ≫ 1) of 2-cm-diameter beams amplified in parametric amplifiers under multiple-beam pumping are coherently combined, then obtaining the 98 % efficiency of this process requires the angular stabilisation of the pump beams better than 50 μrad. Fluctuations of other pump beam parameters such as energy, phase aberrations, and relative jitter either affect only the amplitude of the pulse amplified or the influence on the phase profile of the amplified beam is at most 10−2 rad, which should not noticeably affect the coherent combining of amplified pulses. |
| doi_str_mv | 10.1070/QEL16645 |
| format | Article |
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It is shown that in transition from a single-beam to two-beam pumping, the sensitivity of the parameters of amplified radiation to angular instability of the pump beams sharply increases. With increasing number of the pump beams, the sensitivity of the parameters to fluctuations of the pump beam propagation angle weakly varies. It is found that if a substantial number (n ≫ 1) of 2-cm-diameter beams amplified in parametric amplifiers under multiple-beam pumping are coherently combined, then obtaining the 98 % efficiency of this process requires the angular stabilisation of the pump beams better than 50 μrad. Fluctuations of other pump beam parameters such as energy, phase aberrations, and relative jitter either affect only the amplitude of the pulse amplified or the influence on the phase profile of the amplified beam is at most 10−2 rad, which should not noticeably affect the coherent combining of amplified pulses.</description><identifier>ISSN: 1063-7818</identifier><identifier>EISSN: 1468-4799</identifier><identifier>DOI: 10.1070/QEL16645</identifier><language>eng</language><publisher>Bristol: Kvantovaya Elektronika, Turpion Ltd and IOP Publishing</publisher><subject>AMPLITUDES ; BEAMS ; Beams (radiation) ; Broadband ; CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS ; Coherence ; coherent combining ; CRYSTALS ; Femtosecond pulses ; FLUCTUATIONS ; INSTABILITY ; LBO ; multiple-beam pumping ; Parameter sensitivity ; parametric amplification ; PARAMETRIC AMPLIFIERS ; PULSES ; PUMPING ; SENSITIVITY ; Variation ; Vibration</subject><ispartof>Quantum electronics (Woodbury, N.Y.), 2018-04, Vol.48 (4), p.335-339</ispartof><rights>2018 Kvantovaya Elektronika, Turpion Ltd and IOP Publishing Ltd</rights><rights>Copyright IOP Publishing Apr 2018</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c312t-7e1b97f9348bfbcaf24bfc1e3a58577b7c851a915ea3575c0596d1f772651e4d3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://iopscience.iop.org/article/10.1070/QEL16645/pdf$$EPDF$$P50$$Giop$$H</linktopdf><link.rule.ids>230,314,776,780,881,27901,27902,53821,53868</link.rule.ids><backlink>$$Uhttps://www.osti.gov/biblio/23000245$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Frolov, S.A.</creatorcontrib><creatorcontrib>Trunov, V.I.</creatorcontrib><creatorcontrib>Bagayev, S.N.</creatorcontrib><title>Coherent combining of pulses amplified in wideband parametric amplifiers under multiple-beam pumping</title><title>Quantum electronics (Woodbury, N.Y.)</title><addtitle>Quantum Electron</addtitle><description>The influence of fluctuations of pump beam parameters on the coherent combining efficiency of femtosecond pulses amplified in parametric amplifies based on LBO crystals under multiple- beam pumping is analysed. It is shown that in transition from a single-beam to two-beam pumping, the sensitivity of the parameters of amplified radiation to angular instability of the pump beams sharply increases. With increasing number of the pump beams, the sensitivity of the parameters to fluctuations of the pump beam propagation angle weakly varies. It is found that if a substantial number (n ≫ 1) of 2-cm-diameter beams amplified in parametric amplifiers under multiple-beam pumping are coherently combined, then obtaining the 98 % efficiency of this process requires the angular stabilisation of the pump beams better than 50 μrad. Fluctuations of other pump beam parameters such as energy, phase aberrations, and relative jitter either affect only the amplitude of the pulse amplified or the influence on the phase profile of the amplified beam is at most 10−2 rad, which should not noticeably affect the coherent combining of amplified pulses.</description><subject>AMPLITUDES</subject><subject>BEAMS</subject><subject>Beams (radiation)</subject><subject>Broadband</subject><subject>CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS</subject><subject>Coherence</subject><subject>coherent combining</subject><subject>CRYSTALS</subject><subject>Femtosecond pulses</subject><subject>FLUCTUATIONS</subject><subject>INSTABILITY</subject><subject>LBO</subject><subject>multiple-beam pumping</subject><subject>Parameter sensitivity</subject><subject>parametric amplification</subject><subject>PARAMETRIC AMPLIFIERS</subject><subject>PULSES</subject><subject>PUMPING</subject><subject>SENSITIVITY</subject><subject>Variation</subject><subject>Vibration</subject><issn>1063-7818</issn><issn>1468-4799</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNpl0E1LxDAQgOEgCi664E8I6MFLNWmTJj3Ksn7Aggh6Lkk6cSNtUpMW8d8bWXUPnmYODy_DIHRGyRUlglw_rTe0rhk_QAvKalkw0TSHeSd1VQhJ5TFapuQ04YwRLmu5QN0qbCGCn7AJg3be-VccLB7nPkHCahh7Zx102Hn84TrQynd4VFENMEVn_kBMePYdRDzM_eTGHgoNasiZYczFU3RkVQ4uf-YJerldP6_ui83j3cPqZlOYipZTIYDqRtimYlJbbZQtmbaGQqW45EJoYSSnqqEcVMUFN4Q3dUetEGXNKbCuOkHnu25Ik2uTcROYrQneg5nasiKElIzv1RjD-wxpat_CHH0-LBsuaiqkoFld7pSJIaUIth2jG1T8bClpv5_d_j4704sddWHct_6xL6xIfOY</recordid><startdate>20180401</startdate><enddate>20180401</enddate><creator>Frolov, S.A.</creator><creator>Trunov, V.I.</creator><creator>Bagayev, S.N.</creator><general>Kvantovaya Elektronika, Turpion Ltd and IOP Publishing</general><general>IOP Publishing</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope><scope>OTOTI</scope></search><sort><creationdate>20180401</creationdate><title>Coherent combining of pulses amplified in wideband parametric amplifiers under multiple-beam pumping</title><author>Frolov, S.A. ; Trunov, V.I. ; Bagayev, S.N.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c312t-7e1b97f9348bfbcaf24bfc1e3a58577b7c851a915ea3575c0596d1f772651e4d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>AMPLITUDES</topic><topic>BEAMS</topic><topic>Beams (radiation)</topic><topic>Broadband</topic><topic>CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS</topic><topic>Coherence</topic><topic>coherent combining</topic><topic>CRYSTALS</topic><topic>Femtosecond pulses</topic><topic>FLUCTUATIONS</topic><topic>INSTABILITY</topic><topic>LBO</topic><topic>multiple-beam pumping</topic><topic>Parameter sensitivity</topic><topic>parametric amplification</topic><topic>PARAMETRIC AMPLIFIERS</topic><topic>PULSES</topic><topic>PUMPING</topic><topic>SENSITIVITY</topic><topic>Variation</topic><topic>Vibration</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Frolov, S.A.</creatorcontrib><creatorcontrib>Trunov, V.I.</creatorcontrib><creatorcontrib>Bagayev, S.N.</creatorcontrib><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>OSTI.GOV</collection><jtitle>Quantum electronics (Woodbury, N.Y.)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Frolov, S.A.</au><au>Trunov, V.I.</au><au>Bagayev, S.N.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Coherent combining of pulses amplified in wideband parametric amplifiers under multiple-beam pumping</atitle><jtitle>Quantum electronics (Woodbury, N.Y.)</jtitle><addtitle>Quantum Electron</addtitle><date>2018-04-01</date><risdate>2018</risdate><volume>48</volume><issue>4</issue><spage>335</spage><epage>339</epage><pages>335-339</pages><issn>1063-7818</issn><eissn>1468-4799</eissn><abstract>The influence of fluctuations of pump beam parameters on the coherent combining efficiency of femtosecond pulses amplified in parametric amplifies based on LBO crystals under multiple- beam pumping is analysed. It is shown that in transition from a single-beam to two-beam pumping, the sensitivity of the parameters of amplified radiation to angular instability of the pump beams sharply increases. With increasing number of the pump beams, the sensitivity of the parameters to fluctuations of the pump beam propagation angle weakly varies. It is found that if a substantial number (n ≫ 1) of 2-cm-diameter beams amplified in parametric amplifiers under multiple-beam pumping are coherently combined, then obtaining the 98 % efficiency of this process requires the angular stabilisation of the pump beams better than 50 μrad. Fluctuations of other pump beam parameters such as energy, phase aberrations, and relative jitter either affect only the amplitude of the pulse amplified or the influence on the phase profile of the amplified beam is at most 10−2 rad, which should not noticeably affect the coherent combining of amplified pulses.</abstract><cop>Bristol</cop><pub>Kvantovaya Elektronika, Turpion Ltd and IOP Publishing</pub><doi>10.1070/QEL16645</doi><tpages>5</tpages></addata></record> |
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| ispartof | Quantum electronics (Woodbury, N.Y.), 2018-04, Vol.48 (4), p.335-339 |
| issn | 1063-7818 1468-4799 |
| language | eng |
| recordid | cdi_iop_journals_10_1070_QEL16645 |
| source | IOP Publishing Journals; Institute of Physics (IOP) Journals - HEAL-Link |
| subjects | AMPLITUDES BEAMS Beams (radiation) Broadband CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS Coherence coherent combining CRYSTALS Femtosecond pulses FLUCTUATIONS INSTABILITY LBO multiple-beam pumping Parameter sensitivity parametric amplification PARAMETRIC AMPLIFIERS PULSES PUMPING SENSITIVITY Variation Vibration |
| title | Coherent combining of pulses amplified in wideband parametric amplifiers under multiple-beam pumping |
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