Conversion efficiency of 56% in frequency doubling of single-frequency coherent light from Ti:sapphire laser at 778nm in high-finesse resonant cavity containing BiBO crystal

Single-frequency coherent light from a Ti:sapphire laser at 778nm was frequency-doubled efficiently in a high-finesse resonant cavity containing a BiBO crystal to generate an output at 389nm, which was the resonant wavelength of 2(3)S(1)- > 3(3)P(2) of (3)He. The 389nm cw coherent light was obtai...

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Bibliographic Details
Published in:Nuclear instruments & methods in physics research. Section B, Beam interactions with materials and atoms Beam interactions with materials and atoms, 2009-10, Vol.267 (20), p.3471-3474
Main Authors: Maeda, Shingo, Morioka, Hiroshi, Kumagai, Hiroshi, Kobayashi, Ataru
Format: Article
Language:English
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Summary:Single-frequency coherent light from a Ti:sapphire laser at 778nm was frequency-doubled efficiently in a high-finesse resonant cavity containing a BiBO crystal to generate an output at 389nm, which was the resonant wavelength of 2(3)S(1)- > 3(3)P(2) of (3)He. The 389nm cw coherent light was obtained with the conversion efficiency of 56%, even at the relatively low input power of about 700mW. The laser frequency was also locked to the doubling-cavity resonance by the Hansch-Couillaud technique.
ISSN:0168-583X
DOI:10.1016/j.nimb.2009.07.011