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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 40, Iss. 24 — Aug. 20, 2001
  • pp: 4334–4340

Intracavity pumped nanosecond optical parametric oscillator emitting in the eye-safe range

Razvan Dabu, Constantin Fenic, and Aurel Stratan  »View Author Affiliations


Applied Optics, Vol. 40, Issue 24, pp. 4334-4340 (2001)
http://dx.doi.org/10.1364/AO.40.004334


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Abstract

We report on a 1.57-µm wavelength singly resonant optical parametric oscillator (OPO) using a noncritically phase-matched KTP crystal intracavity pumped by an electro-optically Q-switched Nd:YAG laser. A simple model for numerical calculation of the temporal profile of the laser and signal pulses developed inside the intracavity pumped OPO (IPOPO) resonator is described. Working conditions for single-pulse and multipulse parametric oscillation are established. A single signal pulse of 8.1-mJ output energy was obtained when the laser was pumped three times above the pulsed IPOPO threshold. A pulse duration of 5.9 ns was measured at 1.5 times above threshold for the IPOPO.

© 2001 Optical Society of America

OCIS Codes
(140.3360) Lasers and laser optics : Laser safety and eye protection
(140.3540) Lasers and laser optics : Lasers, Q-switched
(140.3580) Lasers and laser optics : Lasers, solid-state
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers
(320.4240) Ultrafast optics : Nanosecond phenomena

History
Original Manuscript: December 13, 2000
Revised Manuscript: March 26, 2001
Published: August 20, 2001

Citation
Razvan Dabu, Constantin Fenic, and Aurel Stratan, "Intracavity pumped nanosecond optical parametric oscillator emitting in the eye-safe range," Appl. Opt. 40, 4334-4340 (2001)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-40-24-4334


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References

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