Abstract.
Efficient room-temperature operation of 4 F 3/24 I 9/2 transitions in diode-end-pumped Nd:YAG lasers at 946 nm and 938.5 nm is reported. 7.0-W continuous-wave output power at 946 nm and 3.9 W at 938.5 nm have been obtained. An analytical model has been developed for the quasi-three-level laser including the influence of energy-transfer upconversion. Frequency doubling of these transitions in periodically poled KTP generated blue light at 473 nm and 469 nm. Both single-pass extra-cavity as well as intracavity schemes have been investigated.
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Received: 31 July 2002 / Published online: 5 February 2003
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Bjurshagen, S., Evekull, D. & Koch, R. Efficient generation of blue light by frequency doubling of a Nd:YAG laser operating on 4 F 3/24 I 9/2 transitions . Appl Phys B 76, 135–141 (2003). https://doi.org/10.1007/s00340-002-1079-1
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DOI: https://doi.org/10.1007/s00340-002-1079-1