High power continues wave laser diode array end pumped Nd:YAG/LBO red lasers operated at 669 nm and 659 nm |
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Authors: | F Q Jia |
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Institution: | (1) Chinese Academy of Science, Changchun Institute of Optics, Fine Mechanics and Physics, Changchun, 130031, P.R. China;(2) Graduate School, Chinese Academy of Science, Beijing, 100080, P.R. China |
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Abstract: | In this paper, we present using Nd:YAG as the laser media, and Brewster plate as a polarizer device to obtain the linear polarization
output at the fundamental wavelength. Using LBO (LiB3O5) crystal as non-linear crystal to obtain intra-cavity frequency doubled red laser at 659 and 669 nm and sum frequency mixing
at 665 nm. Using a thin fused silica plate as an etalon to obtain the single wavelength operation. At total pump power of
30 W at 808 nm, the output powers at two wavelengths are about 4.1 and 4.5 W, respectively, only one fundamental wavelength
light is resonating. The corresponding optical to optical conversion efficiency from pump light to second harmonic generation
are 13.7 and 15.0%, respectively. |
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Keywords: | |
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