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Proceedings Paper

Diode-pumped single-frequency coupled cavity Nd:YVO4 laser at 532-nm wavelength
Author(s): Tianfeng Jin; Reinhard F. Bruch; Ralph Kecke
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Paper Abstract

We report here on a new compact frequency-doubled Nd:YVO4 laser emitting up to 165 mW of single frequency, TEM00 mode, 532 nm green laser output. This compact, high efficiency, single frequency laser incorporating a novel coupled cavity technology appears promising for use in holographics and the printing industry. This coupled cavity technology provides for a frequency-doubled laser capable of operating in single longitudinal mode while eliminating many intracavity optical components, such as polarizers, waveplates or etalons. The few intracavity elements include a KTP nonlinear optical crystal employed for intracavity frequency doubling. The reduced component count results in a dramatic reduction in optical losses in the laser cavity and increased efficiency. This laser device produces 165 mW of green laser output power from a 1 W pumping laser diode, illustrating that both power and efficiency are improved using this technology. The reduced components also allow for a more compact laser, with the laser head measuring 3 X 3 X 12 cm, and the power control unit measuring 5 X 13 X 15 cm. This laser also features excellent output stability with power variation less than 1% over 4 hours, and less than 0.5% amplitude noise in the 10 Hz to 560 MHz bandwidth range.

Paper Details

Date Published: 4 May 1999
PDF: 7 pages
Proc. SPIE 3613, Solid State Lasers VIII, (4 May 1999); doi: 10.1117/12.347684
Show Author Affiliations
Tianfeng Jin, Univ. of Nevada/Reno (United States)
Reinhard F. Bruch, Univ. of Nevada/Reno (United States)
Ralph Kecke, Univ. of Applied Science Mittweida (United States)


Published in SPIE Proceedings Vol. 3613:
Solid State Lasers VIII
Richard Scheps, Editor(s)

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