Frequency-agile kilohertz repetition-rate optical parametric oscillator based on periodically poled lithium niobate
- Lawrence Livermore National Laboratory, Livermore, California 94550 (United States)
We report kilohertz repetition-rate pulse-to-pulse wavelength tuning from 3.22 to 3.7 {mu}m in a periodically poled lithium niobate (PPLN) optical parametric oscillator (OPO). Rapid tuning over 400thinspcm{sup {minus}1} with random wavelength accessibility is achieved by rotation of the pump beam angle by no more than 24thinspthinspmrad in the PPLN crystal by use of an acousto-optic beam deflector. Over the entire tuning range, a near-transform-limited OPO bandwidth can be obtained by means of injection seeding with a single-frequency 1.5-{mu}m laser diode. The frequency agility, high repetition rate, and narrow bandwidth of this mid-IR PPLN OPO make it well suited as a lidar transmitter source. {copyright} {ital 1999} {ital Optical Society of America}
- Research Organization:
- Lawrence Livermore National Laboratory
- DOE Contract Number:
- W-7405-ENG-48
- OSTI ID:
- 295513
- Journal Information:
- Optics Letters, Journal Name: Optics Letters Journal Issue: 3 Vol. 24; ISSN 0146-9592; ISSN OPLEDP
- Country of Publication:
- United States
- Language:
- English
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Frequency agile optical parametric oscillator
Continuously tunable, single-longitudinal-mode, pulsed mid-infrared optical parametric oscillator based on periodically poled lithium niobate