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Proceedings Paper

Frequency doubling of near-infrared radiation enhanced by a multi-pass cavity for the second-harmonic wave
Author(s): D. Jedrzejczyk; R. Güther; K. Paschke; G. Erbert
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Paper Abstract

In this work, we demonstrate frequency doubling of a DBR tapered diode laser operating around 1064 nm in a nonlinear bulk crystal enhanced by a multi-pass cavity resonant for the generated green light. This novel approach to generate visible laser radiation is characterized by an increased conversion efficiency in comparison to a single-pass configuration. Through the proper choice of the standing wave plane-parallel cavity parameters, the introduced concept requires no impedance matching and frequency locking. A maximum second-harmonic power of 1 W at a conversion efficiency of 20 % is achieved.

Paper Details

Date Published: 27 February 2015
PDF: 7 pages
Proc. SPIE 9347, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XIV, 934709 (27 February 2015); doi: 10.1117/12.2078295
Show Author Affiliations
D. Jedrzejczyk, Ferdinand-Braun-Institut, Leibniz-Institut für Höchstfrequenztechnik (Germany)
R. Güther, Ferdinand-Braun-Institut, Leibniz-Institut für Höchstfrequenztechnik (Germany)
K. Paschke, Ferdinand-Braun-Institut, Leibniz-Institut für Höchstfrequenztechnik (Germany)
G. Erbert, Ferdinand-Braun-Institut, Leibniz-Institut für Höchstfrequenztechnik (Germany)


Published in SPIE Proceedings Vol. 9347:
Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XIV
Konstantin L. Vodopyanov, Editor(s)

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