Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Deepak Vijayakumar"'
Autor:
B. Thestrup, Slawomir Sujecki, Gaëlle Lucas-Leclin, Jun Lim, Deepak Vijayakumar, Ole B. Jensen, David Paboeuf, Patrick Georges, Eric C. Larkins
Publikováno v:
Journal of the Optical Society of America B
Journal of the Optical Society of America B, Optical Society of America, 2011, 28 (5), pp.1289-1299
Paboeuf, D, Vijayakumar, D, Jensen, O B, Thestrup Nielsen, B, Lim, J, Sujecki, S, Larkins, E, Lucas-Leclin, G & Georges, P 2011, ' Volume Bragg grating external cavities for the passive phase locking of high-brightness diode laser arrays: theoretical and experimental study ', Optical Society of America. Journal B: Optical Physics, vol. 28, no. 5, pp. 1289-1299 . https://doi.org/10.1364/JOSAB.28.001289
ResearcherID
Journal of the Optical Society of America B, 2011, 28 (5), pp.1289-1299
Journal of the Optical Society of America B, Optical Society of America, 2011, 28 (5), pp.1289-1299
Paboeuf, D, Vijayakumar, D, Jensen, O B, Thestrup Nielsen, B, Lim, J, Sujecki, S, Larkins, E, Lucas-Leclin, G & Georges, P 2011, ' Volume Bragg grating external cavities for the passive phase locking of high-brightness diode laser arrays: theoretical and experimental study ', Optical Society of America. Journal B: Optical Physics, vol. 28, no. 5, pp. 1289-1299 . https://doi.org/10.1364/JOSAB.28.001289
ResearcherID
Journal of the Optical Society of America B, 2011, 28 (5), pp.1289-1299
We describe the theoretical modeling of the external-cavity operation of a phase-locked array of diode lasers in two configurations, the self-imaging cavity based on the Talbot effect and the angular-filtering cavity. Complex filtering functions, suc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5d68f459519e3916e1e5462c6bf8ceeb
https://hal-iogs.archives-ouvertes.fr/hal-00589260/document
https://hal-iogs.archives-ouvertes.fr/hal-00589260/document
Publikováno v:
Vijayakumar, D, Jensen, O B, Lucas Leclin, G, Petersen, P M & Thestrup, B 2011, ' Spectral narrowing of a 980 nm tapered diode laser bar ', Proceedings of SPIE-The International Society for Optical Engineering, vol. 7918, pp. 791814 . https://doi.org/10.1117/12.874764
High power diode laser bars are interesting in many applications such as solid state laser pumping, material processing, laser trapping, laser cooling and second harmonic generation. Often, the free running laser bars emit a broad spectrum of the ord
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::637c610244fad8188f5080bc47415f2e
https://doi.org/10.1117/12.874764
https://doi.org/10.1117/12.874764
Autor:
David Paboeuf, B. Thestrup, Gaëlle Lucas-Leclin, Paul Michael Petersen, Deepak Vijayakumar, Jessica Barrientos-Barria, Ole B. Jensen
Publikováno v:
Vijayakumar, D, Jensen, O B, Barrientos-Barria, J, Paboeuf, D, Lucas-Leclin, G, Thestrup Nielsen, B & Petersen, P M 2011, ' Narrow line width operation of a 980 nm gain guided tapered diode laser bar ', Optics Express, vol. 19, no. 2, pp. 1131-1137 . https://doi.org/10.1364/OE.19.001131
Optics Express
Optics Express, Optical Society of America-OSA Publishing, 2011, 19 (2), pp.1131-1137
Optics Express
Optics Express, Optical Society of America-OSA Publishing, 2011, 19 (2), pp.1131-1137
International audience; We demonstrate two different schemes for the spectral narrowing of a 12 emitter 980 nm gain guided tapered diode laser bar. In the first scheme, a reflective grating has been used in a Littman Metcalf configuration and the wav
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d984917fc85429ff7393d5dcfc34d015
https://orbit.dtu.dk/en/publications/7c15c61e-b9c6-4815-8a86-8594edca63a8
https://orbit.dtu.dk/en/publications/7c15c61e-b9c6-4815-8a86-8594edca63a8
Publikováno v:
Vijayakumar, D, Jensen, O B & Thestrup Nielsen, B 2010, Wavelength beam combining of a 980-nm tapered diode laser bar in an external cavity . in Proceedings of SPIE--the international society for optical engineering . vol. 7720, SPIE-International Society for Optical Engineering, pp. 77201U, Semiconductor Lasers and Laser Dynamics IV, Brussels, Belgium, 01/01/2010 . https://doi.org/10.1117/12.854225
High power diode lasers are used in a large number of applications. A limiting factor for more widespread use of broad area lasers is the poor beam quality. Gain guided tapered diode lasers are ideal candidates for industrial applications that demand
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::358b3a5c64bbad08e048213d7687ae35
https://orbit.dtu.dk/en/publications/bed2e793-b3f1-40d1-a617-0a1408e05e96
https://orbit.dtu.dk/en/publications/bed2e793-b3f1-40d1-a617-0a1408e05e96
Publikováno v:
Technical University of Denmark Orbit
Off-axis spectral beam combining [1] has been applied to a broad area diode laser bar with a central wavelength 965 nm and a front facet anti reflection coating with residual reflectivity ≪ 0.01%. A combined output power of 9 W has been achieved fr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::52a03f2d759b3c69763add5d2b51b7b6
https://doi.org/10.1109/cleoe-eqec.2009.5192571
https://doi.org/10.1109/cleoe-eqec.2009.5192571
Autor:
Paul Michael Petersen, André Müller, Karl-Heinz Hasler, Deepak Vijayakumar, Bernd Sumpf, Götz Erbert, Peter Andersen, Ole B. Jensen
Publikováno v:
Müller, A, Vijayakumar, D, Jensen, O B, Hasler, K-H, Sumpf, B, Erbert, G, Andersen, P E & Petersen, P M 2011, ' 16 W output power by high-efficient spectral beam combining of DBR-tapered diode lasers ', Optics Express, vol. 19, no. 2, pp. 1228-1235 . https://doi.org/10.1364/OE.19.001228
Up to 16 W output power has been obtained using spectral beam combining of two 1063 nm DBR-tapered diode lasers. Using a reflecting volume Bragg grating, a combining efficiency as high as 93.7% is achieved, resulting in a single beam with high spatia
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::07887a5bc384d5b4869fdec34340d7f3
https://doi.org/10.1364/oe.19.001228
https://doi.org/10.1364/oe.19.001228
Publikováno v:
ResearcherID
Vijayakumar, D, Jensen, O B, Ostendorf, R, Westphalen, T & Thestrup Nielsen, B 2010, ' Spectral beam combining of a 980 nm tapered diode laser bar ', Optics Express, vol. 18, no. 2, pp. 893-898 . https://doi.org/10.1364/OE.18.000893
Vijayakumar, D, Jensen, O B, Ostendorf, R, Westphalen, T & Thestrup Nielsen, B 2010, ' Spectral beam combining of a 980 nm tapered diode laser bar ', Optics Express, vol. 18, no. 2, pp. 893-898 . https://doi.org/10.1364/OE.18.000893
We demonstrate spectral beam combining of a 980 nm tapered diode laser bar. The combined beam from 12 tapered emitters on the bar yielded an output power of 9.3 W at 30 A of operating current. An M2 value of 5.3 has been achieved along the slow axis.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9134122aa803ae95da5f789ff9dee251
https://doi.org/10.1364/oe.18.000893
https://doi.org/10.1364/oe.18.000893
Publikováno v:
Vijayakumar, D, Jensen, O B & Thestrup Nielsen, B 2009, ' 980 nm high brightness external cavity broad area diode laser bar ', Optics Express, vol. 17, no. 7, pp. 5684-5690 . https://doi.org/10.1364/OE.17.005684
ResearcherID
ResearcherID
We demonstrate off-axis spectral beam combining applied to a 980 nm high power broad area diode laser bar. The experiments yielded 9 W of optical power at 30 A of operating current and the measured M2 values of the combined beam from 12 emitters were
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5369c98024124be00f69d11ca8a7c226
https://doi.org/10.1364/oe.17.005684
https://doi.org/10.1364/oe.17.005684
Autor:
André Müller, Paul Michael Petersen, Deepak Vijayakumar, Bernd Sumpf, Peter Andersen, Ole B. Jensen, Karl-Heinz Hasler, Götz Erbert
Publikováno v:
Scopus-Elsevier
Technical University of Denmark Orbit
Müller, A, Vijayakumar, D, Jensen, O B, Hasler, K-H, Sumpf, B, Erbert, G, Andersen, P E & Petersen, P M 2012, Spectral beam combining of diode lasers with high efficiency . in Lasers, Sources, and Related Photonic Devices Technical Digest . Optical Society of America, pp. AM4A.10, Advanced Solid-State Photonics (ASSP), San Diego, CA, United States, 29/01/2012 .
Technical University of Denmark Orbit
Müller, A, Vijayakumar, D, Jensen, O B, Hasler, K-H, Sumpf, B, Erbert, G, Andersen, P E & Petersen, P M 2012, Spectral beam combining of diode lasers with high efficiency . in Lasers, Sources, and Related Photonic Devices Technical Digest . Optical Society of America, pp. AM4A.10, Advanced Solid-State Photonics (ASSP), San Diego, CA, United States, 29/01/2012 .
Based on spectral beam combining we obtain 16 W of output power, combining two 1063 nm DBR-tapered diode lasers. The spectral separation within the combined beam can be used for subsequent sum-frequency generation.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::247405501eae9f38cfe274d4b38879b4
http://www.scopus.com/inward/record.url?eid=2-s2.0-84890599584&partnerID=MN8TOARS
http://www.scopus.com/inward/record.url?eid=2-s2.0-84890599584&partnerID=MN8TOARS