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Proceedings Paper

High average power (11 W) eye-safe diamond Raman laser
Author(s): Aaron McKay; Ondrej Kitzler; Hua Liu; David Fell; Richard P. Mildren
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Paper Abstract

We report external cavity Raman lasers using a 9.5-mm-long low-loss CVD diamond pumped by a 35 W q-switched Nd:YVO4 laser with approximately 22 ns pulses at 36 kHz pulse repetition frequency. Two systems were investigated. The first demonstrated first and second Stokes simultaneously with more than 14.5 W of combined optical power. For an output coupler optimized for second Stokes only output (1485 nm), 11.1 W at 38% conversion efficiency was obtained. This output power is comparable to the maximum output powers reported for competing pulsed eye-safe technologies such as optical parametric oscillators and Er:YAG lasers.

Paper Details

Date Published: 29 November 2012
PDF: 8 pages
Proc. SPIE 8551, High-Power Lasers and Applications VI, 85510U (29 November 2012); doi: 10.1117/12.999857
Show Author Affiliations
Aaron McKay, Macquarie Univ. (Australia)
Ondrej Kitzler, Macquarie Univ. (Australia)
Hua Liu, Macquarie Univ. (Australia)
David Fell, Macquarie Univ. (Australia)
Richard P. Mildren, Macquarie Univ. (Australia)


Published in SPIE Proceedings Vol. 8551:
High-Power Lasers and Applications VI
Upendra N. Singh; Dianyuan Fan; Jianquan Yao; Robert F. Walter, Editor(s)

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