14 November 2012 Single longitudinal mode and dual wavelength CW VBG lasers at 1342nm and 1064nm
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Abstract
We investigate the use of volume Bragg gratings (VBGs) to achieve single longitudinal mode operation in a simple 3 mirror, diode pumped Nd:YVO4 Laser cavity at both 1064nm and 1342nm. A double VBG configuration is constructed and shown to achieve single longitudinal mode operation with output powers of 2.3W and 2W at 1342nm and 1064nm respectively, the spectral performance of the dual VBG setup is also analyzed. In another configuration, we investigate the use of VBGs as wavelength selective elements in a dual-wavelength laser. Using this method we were able to achieve a combined output power of 3.55W at 1342 and 1064nm emission simultaneously, with a conversion efficiency of 18%.
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Andrew White, Andrew White, Ian Elder, Ian Elder, Gavin Hall, Gavin Hall, } "Single longitudinal mode and dual wavelength CW VBG lasers at 1342nm and 1064nm", Proc. SPIE 8543, Technologies for Optical Countermeasures IX, 85430A (14 November 2012); doi: 10.1117/12.974634; https://doi.org/10.1117/12.974634
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