Power-scaled CW Alexandrite lasers
We present several strategies for increasing the output laser power of near-diffraction limited continuous-wave Alexandrite lasers pumped by fibre-coupled red laser diodes. Laser mode size control using a convex mirror with the varying thermal lens is shown to be an efficient method for generating r...
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| Veröffentlicht in: | Applied physics. B, Lasers and optics Lasers and optics, 2023-03, Vol.129 (3), Article 47 |
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| container_title | Applied physics. B, Lasers and optics |
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| creator | Tawy, Goronwy Minassian, Ara Damzen, Michael J. |
| description | We present several strategies for increasing the output laser power of near-diffraction limited continuous-wave Alexandrite lasers pumped by fibre-coupled red laser diodes. Laser mode size control using a convex mirror with the varying thermal lens is shown to be an efficient method for generating record levels of output power from a diode-pumped Alexandrite laser. 8.6 W is obtained with
M
2
<
1.1
and an optical efficiency of 27%. 735–790 nm wavelength tuning is demonstrated with
>
2.5
W
and a record dual-wavelength output power of 4.2 W. In a ring-cavity geometry, 5.1 W is obtained with
M
2
<
1.1
showing promising potential for multi-watt single-longitudinal-mode operation. Detailed laser cavity modelling including thermal lens analysis is also provided. |
| doi_str_mv | 10.1007/s00340-023-07989-x |
| format | Article |
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M
2
<
1.1
and an optical efficiency of 27%. 735–790 nm wavelength tuning is demonstrated with
>
2.5
W
and a record dual-wavelength output power of 4.2 W. In a ring-cavity geometry, 5.1 W is obtained with
M
2
<
1.1
showing promising potential for multi-watt single-longitudinal-mode operation. Detailed laser cavity modelling including thermal lens analysis is also provided.</description><identifier>ISSN: 0946-2171</identifier><identifier>EISSN: 1432-0649</identifier><identifier>DOI: 10.1007/s00340-023-07989-x</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Alexandrite ; Applied physics ; Continuous fibers ; Continuous radiation ; Engineering ; Laser modes ; Lasers ; Optical Devices ; Optics ; Photonics ; Physical Chemistry ; Physics ; Physics and Astronomy ; Quantum Optics ; Semiconductor lasers ; Thermal lensing ; Wave diffraction</subject><ispartof>Applied physics. B, Lasers and optics, 2023-03, Vol.129 (3), Article 47</ispartof><rights>The Author(s) 2023</rights><rights>The Author(s) 2023. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c314t-8ca19bad3a41bcb4b99ad4243a4cc7772c3a93b2f45e800953c2b49bc7d2239d3</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/s00340-023-07989-x$$EPDF$$P50$$Gspringer$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s00340-023-07989-x$$EHTML$$P50$$Gspringer$$Hfree_for_read</linktohtml><link.rule.ids>314,776,780,27903,27904,41467,42536,51297</link.rule.ids></links><search><creatorcontrib>Tawy, Goronwy</creatorcontrib><creatorcontrib>Minassian, Ara</creatorcontrib><creatorcontrib>Damzen, Michael J.</creatorcontrib><title>Power-scaled CW Alexandrite lasers</title><title>Applied physics. B, Lasers and optics</title><addtitle>Appl. Phys. B</addtitle><description>We present several strategies for increasing the output laser power of near-diffraction limited continuous-wave Alexandrite lasers pumped by fibre-coupled red laser diodes. Laser mode size control using a convex mirror with the varying thermal lens is shown to be an efficient method for generating record levels of output power from a diode-pumped Alexandrite laser. 8.6 W is obtained with
M
2
<
1.1
and an optical efficiency of 27%. 735–790 nm wavelength tuning is demonstrated with
>
2.5
W
and a record dual-wavelength output power of 4.2 W. In a ring-cavity geometry, 5.1 W is obtained with
M
2
<
1.1
showing promising potential for multi-watt single-longitudinal-mode operation. Detailed laser cavity modelling including thermal lens analysis is also provided.</description><subject>Alexandrite</subject><subject>Applied physics</subject><subject>Continuous fibers</subject><subject>Continuous radiation</subject><subject>Engineering</subject><subject>Laser modes</subject><subject>Lasers</subject><subject>Optical Devices</subject><subject>Optics</subject><subject>Photonics</subject><subject>Physical Chemistry</subject><subject>Physics</subject><subject>Physics and Astronomy</subject><subject>Quantum Optics</subject><subject>Semiconductor lasers</subject><subject>Thermal lensing</subject><subject>Wave diffraction</subject><issn>0946-2171</issn><issn>1432-0649</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><sourceid>C6C</sourceid><recordid>eNp9kE1LxDAQhoMoWFf_gKei5-gkk22a41J0FRb0oHgM-arsUts16eL6741W8OZchoHnfQceQs4ZXDEAeZ0AUAAFjhSkqhXdH5CCCeQUKqEOSQFKVJQzyY7JSUobyFPVdUEuHoePEGlypgu-bF7KRRf2pvdxPYayMynEdEqOWtOlcPa7Z-T59uapuaOrh-V9s1hRh0yMtHaGKWs8GsGss8IqZbzgIt_OSSm5Q6PQ8lbMQw2g5ui4Fco66TlH5XFGLqfebRzedyGNejPsYp9fai5rxqVEkJniE-XikFIMrd7G9ZuJn5qB_nahJxc6u9A_LvQ-h3AKpQz3ryH-Vf-T-gKKamCA</recordid><startdate>20230301</startdate><enddate>20230301</enddate><creator>Tawy, Goronwy</creator><creator>Minassian, Ara</creator><creator>Damzen, Michael J.</creator><general>Springer Berlin Heidelberg</general><general>Springer Nature B.V</general><scope>C6C</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>20230301</creationdate><title>Power-scaled CW Alexandrite lasers</title><author>Tawy, Goronwy ; Minassian, Ara ; Damzen, Michael J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c314t-8ca19bad3a41bcb4b99ad4243a4cc7772c3a93b2f45e800953c2b49bc7d2239d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Alexandrite</topic><topic>Applied physics</topic><topic>Continuous fibers</topic><topic>Continuous radiation</topic><topic>Engineering</topic><topic>Laser modes</topic><topic>Lasers</topic><topic>Optical Devices</topic><topic>Optics</topic><topic>Photonics</topic><topic>Physical Chemistry</topic><topic>Physics</topic><topic>Physics and Astronomy</topic><topic>Quantum Optics</topic><topic>Semiconductor lasers</topic><topic>Thermal lensing</topic><topic>Wave diffraction</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Tawy, Goronwy</creatorcontrib><creatorcontrib>Minassian, Ara</creatorcontrib><creatorcontrib>Damzen, Michael J.</creatorcontrib><collection>Springer Nature OA/Free Journals</collection><collection>CrossRef</collection><jtitle>Applied physics. B, Lasers and optics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Tawy, Goronwy</au><au>Minassian, Ara</au><au>Damzen, Michael J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Power-scaled CW Alexandrite lasers</atitle><jtitle>Applied physics. B, Lasers and optics</jtitle><stitle>Appl. Phys. B</stitle><date>2023-03-01</date><risdate>2023</risdate><volume>129</volume><issue>3</issue><artnum>47</artnum><issn>0946-2171</issn><eissn>1432-0649</eissn><abstract>We present several strategies for increasing the output laser power of near-diffraction limited continuous-wave Alexandrite lasers pumped by fibre-coupled red laser diodes. Laser mode size control using a convex mirror with the varying thermal lens is shown to be an efficient method for generating record levels of output power from a diode-pumped Alexandrite laser. 8.6 W is obtained with
M
2
<
1.1
and an optical efficiency of 27%. 735–790 nm wavelength tuning is demonstrated with
>
2.5
W
and a record dual-wavelength output power of 4.2 W. In a ring-cavity geometry, 5.1 W is obtained with
M
2
<
1.1
showing promising potential for multi-watt single-longitudinal-mode operation. Detailed laser cavity modelling including thermal lens analysis is also provided.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1007/s00340-023-07989-x</doi><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
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| ispartof | Applied physics. B, Lasers and optics, 2023-03, Vol.129 (3), Article 47 |
| issn | 0946-2171 1432-0649 |
| language | eng |
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| source | Springer Nature - Complete Springer Journals |
| subjects | Alexandrite Applied physics Continuous fibers Continuous radiation Engineering Laser modes Lasers Optical Devices Optics Photonics Physical Chemistry Physics Physics and Astronomy Quantum Optics Semiconductor lasers Thermal lensing Wave diffraction |
| title | Power-scaled CW Alexandrite lasers |
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