Efficient operation of a diode-bar-pumped Nd:YAG laser on the low-gain 1123-nm line |
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Authors: | Moore N Clarkson W A Hanna D C Lehmann S Bösenberg J |
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Affiliation: | Optoelectronics Research Centre, University of Southampton, Highfield, Southampton SO17 1BJ, UK. |
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Abstract: | Efficient operation of a Nd:YAG laser on the low-gain 1123-nm transition by end pumping with the reshaped output from a 7-W diode bar is reported. Using a simple standing-wave laser configuration and pumping with 5.6 W of incident power yielded a laser output power of 1.7 W in a near-diffraction-limited TEM00 mode with a beam quality factor of M2 < or approximately equal to 1.1. A unidirectional single-frequency ring laser was also constructed, yielding 180 mW of single-frequency output. The prospects for further increase in power by optimization of the resonator design are discussed. |
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