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17 February 2010 Highly efficient and compact microchip green laser source for mobile projectors
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Abstract
Recent developments in compact projectors sparked interest in light sources for these applications. While RGB lasers offer advantages, a viable green laser platform has been difficult to realize. In this work, we demonstrate a novel green laser source, based on a monolithic cavity microchip laser platform. The use of highly efficient, periodically poled MgOdoped Lithium Niobate (PPMgOLN) as the nonlinear frequency doubler allows obtaining a significant increase in the overall efficiency of the green microchip laser. Specifically, we demonstrate 50-150mW green output with wall-plug efficiency exceeding 10% in the temperature range over 40°C. We discuss a compact package for this laser source with volume less than 0.4cm3.
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John Khaydarov, Stepan Essaian, Greg Nemet, Andrei Shchegrov, Natalia Simanovskaia, Hakob Danielyan, Gevorg Gabrielyan, Armen Poghosyan, and Suren Soghomonyan "Highly efficient and compact microchip green laser source for mobile projectors", Proc. SPIE 7582, Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications IX, 758202 (17 February 2010); https://doi.org/10.1117/12.843619
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