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Optics Letters

Optics Letters


  • Vol. 24, Iss. 3 — Feb. 1, 1999
  • pp: 133–135

Frequency-agile kilohertz repetition-rate optical parametric oscillator based on periodically poled lithium niobate

Steven T. Yang and Stephan P. Velsko  »View Author Affiliations

Optics Letters, Vol. 24, Issue 3, pp. 133-135 (1999)

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We report kilohertz repetition-rate pulse-to-pulse wavelength tuning from 3.22 to 3.7 μm in a periodically poled lithium niobate (PPLN) optical parametric oscillator (OPO). Rapid tuning over 400 cm-1 with random wavelength accessibility is achieved by rotation of the pump beam angle by no more than 24 mrad 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-μm 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.

© 1999 Optical Society of America

Steven T. Yang and Stephan P. Velsko, "Frequency-agile kilohertz repetition-rate optical parametric oscillator based on periodically poled lithium niobate," Opt. Lett. 24, 133-135 (1999)

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