Pulsed nanosecond optical parametric generator based on periodically poled lithium niobate

In this paper we report on a pulsed nanosecond optical parametric generator (OPG) of congruent periodically poled lithium niobate (PPLN). The OPG is excited by TEM 00 single frequency pulses (duration: 10 ns, repetition rate: 10 kHz) of a Q-switched Nd:YVO 4 laser system. With 7.2 W of average power...

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Bibliographic Details
Published in:Optics communications 2003-03, Vol.217 (1), p.375-380
Main Authors: Bäder, U., Mattern, T., Bauer, T., Bartschke, J., Rahm, M., Borsutzky, A., Wallenstein, R.
Format: Article
Language:English
Subjects:
Diode-pumped lasers
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Nonlinear optics
Optical parametric oscillators and amplifiers
Optics
Physics
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Summary:In this paper we report on a pulsed nanosecond optical parametric generator (OPG) of congruent periodically poled lithium niobate (PPLN). The OPG is excited by TEM 00 single frequency pulses (duration: 10 ns, repetition rate: 10 kHz) of a Q-switched Nd:YVO 4 laser system. With 7.2 W of average power the OPG generated 1.6 W of signal and 0.76 W of idler radiation. The signal and idler waves are tunable in the range of 1.56–1.64 and 3.34–3.03 μm, respectively, by changing the temperature of the PPLN crystal. Injection seeding with 3 mW of cw 1.580 μm light of a tunable DFB diode laser narrowed the spectral width of the OPG signal wave to less than 140 MHz.
ISSN:0030-4018
1873-0310
DOI:10.1016/S0030-4018(02)02342-8