High-power 390-nm laser source based on efficient frequency doubling of a tapered diode laser in an external resonant cavity

High-power 390-nm laser source based on efficient frequency doubling of a tapered diode laser in an external resonant cavity

We frequency doubled the single-frequency beam from an external-cavity tapered laser diode operating at 780 nm in a resonant cavity containing a beta -barium borate crystal to generate an output at 390 nm with high efficiency. Output powers as great as 233 mW were obtained, corresponding to an effic...

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Veröffentlicht in:Optics letters 1999-06, Vol.24 (12), p.823-825
Hauptverfasser: Bhawalkar, J D, Mao, Y, Po, H, Goyal, A K, Gavrilovic, P, Conturie, Y, Singh, S
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container_end_page 825
container_issue 12
container_start_page 823
container_title Optics letters
container_volume 24
creator Bhawalkar, J D
Mao, Y
Po, H
Goyal, A K
Gavrilovic, P
Conturie, Y
Singh, S
description We frequency doubled the single-frequency beam from an external-cavity tapered laser diode operating at 780 nm in a resonant cavity containing a beta -barium borate crystal to generate an output at 390 nm with high efficiency. Output powers as great as 233 mW were obtained, corresponding to an efficiency of 65%/W . The resonant-cavity design was a low-loss three-mirror configuration that provided compensation for astigmatism and coma. The laser diode frequency was locked to the doubling-cavity resonance by use of the Hänsch-Couillaud discrimination technique.
doi_str_mv 10.1364/OL.24.000823
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title High-power 390-nm laser source based on efficient frequency doubling of a tapered diode laser in an external resonant cavity
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