Saturation of 1047- and 1064-nm Absorption in }^:YAG Crystals
To investigate the physical mechanism of the saturation process in Cr 4+ :YAG crystals we solved the three coupled rate equations which describe the saturable absorber. We experimentally verified this model using two lasers with nanosecond pulses and continuous-wave radiation. We used crystalline an...
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| Veröffentlicht in: | IEEE journal of quantum electronics 2007-02, Vol.43 (2), p.168-173 |
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| container_title | IEEE journal of quantum electronics |
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| creator | Ridderbusch, H. Graf, T. |
| description | To investigate the physical mechanism of the saturation process in Cr 4+ :YAG crystals we solved the three coupled rate equations which describe the saturable absorber. We experimentally verified this model using two lasers with nanosecond pulses and continuous-wave radiation. We used crystalline and ceramic Cr 4+ -doped YAG saturable absorbers with various initial transmissions. The ratio between the ground and the excited-state absorption cross section at 1064 nm was measured to be between 3.8 plusmn 0.2 and 4.7 plusmn 0.2 for crystalline and 3.6 plusmn 0.1 for ceramic Cr 4+ :YAG. The ratio between the above named cross sections at 1047 nm was found to be 6.2 plusmn 0.2 for both crystalline and ceramic Cr 4+ :YAG. With these results the ground-state and the excited-state absorption cross sections at 1047 nm were calculated to be (9.55plusmn0.01)times10 -19 cm 2 and (1.54plusmn0.03)times10 -19 cm 2 , respectively |
| doi_str_mv | 10.1109/JQE.2006.889055 |
| format | Article |
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We experimentally verified this model using two lasers with nanosecond pulses and continuous-wave radiation. We used crystalline and ceramic Cr 4+ -doped YAG saturable absorbers with various initial transmissions. The ratio between the ground and the excited-state absorption cross section at 1064 nm was measured to be between 3.8 plusmn 0.2 and 4.7 plusmn 0.2 for crystalline and 3.6 plusmn 0.1 for ceramic Cr 4+ :YAG. The ratio between the above named cross sections at 1047 nm was found to be 6.2 plusmn 0.2 for both crystalline and ceramic Cr 4+ :YAG. With these results the ground-state and the excited-state absorption cross sections at 1047 nm were calculated to be (9.55plusmn0.01)times10 -19 cm 2 and (1.54plusmn0.03)times10 -19 cm 2 , respectively</description><identifier>ISSN: 0018-9197</identifier><identifier>EISSN: 1558-1713</identifier><identifier>DOI: 10.1109/JQE.2006.889055</identifier><identifier>CODEN: IEJQA7</identifier><language>eng</language><publisher>IEEE</publisher><subject>Absorption ; Ceramics ; Chromium ; Couplings ; Crystallization ; Equations ; Laser excitation ; Laser modes ; Laser theory ; Lasers ; Optical pulses ; passive Q -switching ; saturable absorbers</subject><ispartof>IEEE journal of quantum electronics, 2007-02, Vol.43 (2), p.168-173</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c1726-b7a4c013ed78aa1eb97d13b983b39f2c638e460d3abb55033ee06dfc8a73468e3</citedby><cites>FETCH-LOGICAL-c1726-b7a4c013ed78aa1eb97d13b983b39f2c638e460d3abb55033ee06dfc8a73468e3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/4067098$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,780,784,796,27924,27925,54758</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/4067098$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Ridderbusch, H.</creatorcontrib><creatorcontrib>Graf, T.</creatorcontrib><title>Saturation of 1047- and 1064-nm Absorption in }^:YAG Crystals</title><title>IEEE journal of quantum electronics</title><addtitle>JQE</addtitle><description>To investigate the physical mechanism of the saturation process in Cr 4+ :YAG crystals we solved the three coupled rate equations which describe the saturable absorber. We experimentally verified this model using two lasers with nanosecond pulses and continuous-wave radiation. We used crystalline and ceramic Cr 4+ -doped YAG saturable absorbers with various initial transmissions. The ratio between the ground and the excited-state absorption cross section at 1064 nm was measured to be between 3.8 plusmn 0.2 and 4.7 plusmn 0.2 for crystalline and 3.6 plusmn 0.1 for ceramic Cr 4+ :YAG. The ratio between the above named cross sections at 1047 nm was found to be 6.2 plusmn 0.2 for both crystalline and ceramic Cr 4+ :YAG. With these results the ground-state and the excited-state absorption cross sections at 1047 nm were calculated to be (9.55plusmn0.01)times10 -19 cm 2 and (1.54plusmn0.03)times10 -19 cm 2 , respectively</description><subject>Absorption</subject><subject>Ceramics</subject><subject>Chromium</subject><subject>Couplings</subject><subject>Crystallization</subject><subject>Equations</subject><subject>Laser excitation</subject><subject>Laser modes</subject><subject>Laser theory</subject><subject>Lasers</subject><subject>Optical pulses</subject><subject>passive Q -switching</subject><subject>saturable absorbers</subject><issn>0018-9197</issn><issn>1558-1713</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9j09LxDAQxYMoWFfPHrz0C6Q706T5I3goZV2VBRH14MWQtClU3HZJ6mEPfne7Vjy9N8y8efwIuUTIEEEvH55WWQ4gMqU0FMURSbAoFEWJ7JgkAKioRi1PyVmMH9PIuYKE3Dzb8SvYsRv6dGhTBC5pavtmcoLTfpuWLg5h97vv-vT7_fqtXKdV2MfRfsZzctJO4i_-dEFeb1cv1R3dPK7vq3JDa5S5oE5aXgMy30hlLXqnZYPMacUc021eC6Y8F9Aw61xRAGPeg2jaWlnJuFCeLchy_luHIcbgW7ML3daGvUEwB3oz0ZsDvZnpp8TVnOi89__XHISEqfYHpIFTLg</recordid><startdate>200702</startdate><enddate>200702</enddate><creator>Ridderbusch, H.</creator><creator>Graf, T.</creator><general>IEEE</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>200702</creationdate><title>Saturation of 1047- and 1064-nm Absorption in }^:YAG Crystals</title><author>Ridderbusch, H. ; Graf, T.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c1726-b7a4c013ed78aa1eb97d13b983b39f2c638e460d3abb55033ee06dfc8a73468e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Absorption</topic><topic>Ceramics</topic><topic>Chromium</topic><topic>Couplings</topic><topic>Crystallization</topic><topic>Equations</topic><topic>Laser excitation</topic><topic>Laser modes</topic><topic>Laser theory</topic><topic>Lasers</topic><topic>Optical pulses</topic><topic>passive Q -switching</topic><topic>saturable absorbers</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ridderbusch, H.</creatorcontrib><creatorcontrib>Graf, T.</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>CrossRef</collection><jtitle>IEEE journal of quantum electronics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Ridderbusch, H.</au><au>Graf, T.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Saturation of 1047- and 1064-nm Absorption in }^:YAG Crystals</atitle><jtitle>IEEE journal of quantum electronics</jtitle><stitle>JQE</stitle><date>2007-02</date><risdate>2007</risdate><volume>43</volume><issue>2</issue><spage>168</spage><epage>173</epage><pages>168-173</pages><issn>0018-9197</issn><eissn>1558-1713</eissn><coden>IEJQA7</coden><abstract>To investigate the physical mechanism of the saturation process in Cr 4+ :YAG crystals we solved the three coupled rate equations which describe the saturable absorber. We experimentally verified this model using two lasers with nanosecond pulses and continuous-wave radiation. We used crystalline and ceramic Cr 4+ -doped YAG saturable absorbers with various initial transmissions. The ratio between the ground and the excited-state absorption cross section at 1064 nm was measured to be between 3.8 plusmn 0.2 and 4.7 plusmn 0.2 for crystalline and 3.6 plusmn 0.1 for ceramic Cr 4+ :YAG. The ratio between the above named cross sections at 1047 nm was found to be 6.2 plusmn 0.2 for both crystalline and ceramic Cr 4+ :YAG. With these results the ground-state and the excited-state absorption cross sections at 1047 nm were calculated to be (9.55plusmn0.01)times10 -19 cm 2 and (1.54plusmn0.03)times10 -19 cm 2 , respectively</abstract><pub>IEEE</pub><doi>10.1109/JQE.2006.889055</doi><tpages>6</tpages></addata></record> |
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| subjects | Absorption Ceramics Chromium Couplings Crystallization Equations Laser excitation Laser modes Laser theory Lasers Optical pulses passive Q -switching saturable absorbers |
| title | Saturation of 1047- and 1064-nm Absorption in }^:YAG Crystals |
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