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Journal article

Efficient generation of 3.5W laser light at 515nm by frequency doubling a single-frequency high power DBR tapered diode laser

By Jensen, Ole Bjarlin1,2; Hansen, Anders Kragh1,2; Müller, André3; Sumpf, Bernd3; Petersen, Paul Michael1,2; Andersen, Peter E.1,2,4

From

Department of Photonics Engineering, Technical University of Denmark1

Diode Lasers and LED Systems, Department of Photonics Engineering, Technical University of Denmark2

Leibniz-Institut für Höchstfrequenztechnik3

Copenhagen Center for Health Technology, Centers, Technical University of Denmark4

More than 3.5 W of green light at 515 nm is generated by frequency doubling a single-frequency high power DBR tapered diode laser. The frequency doubling is performed in a cascade of PPMgLN and PPMgSLT crystals in order to reach high power and avoid thermal effects present in PPMgLN at high power. The green light is diffraction limited (M2 <1.1) and single-frequency operation is demonstrated with a linewidth less than 2 pm.

Language: English
Year: 2017
Pages: 167-170
ISSN: 18730310 and 00304018
Types: Journal article
DOI: 10.1016/j.optcom.2017.01.060
ORCIDs: Jensen, Ole Bjarlin , Hansen, Anders Kragh , Petersen, Paul Michael and Andersen, Peter E.
Keywords

Diode lasers Second harmonic generation Tapered diode lasers Visible lasers

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