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Optics Letters

Optics Letters


  • Vol. 25, Iss. 7 — Apr. 1, 2000
  • pp: 490–492

Diode-pumped singly resonant continuous-wave optical parametric oscillator with wide continuous tuning of the near-infrared idler wave

M. E. Klein, C. K. Laue, D.-H. Lee, K.-J. Boller, and R. Wallenstein  »View Author Affiliations

Optics Letters, Vol. 25, Issue 7, pp. 490-492 (2000)

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We demonstrate wide, continuous tuning of the single-frequency idler wave of a cw singly resonant optical parametric oscillator (SRO). The SRO consists of a periodically poled LiNbO3 crystal for quasi-phase matching in a four-mirror signal-resonant ring cavity. The SRO, excited by 2.25 W of 924-nm radiation from an InGaAs diode laser, generates as much as 200 mW of single-frequency 2.1-μm idler radiation. We tune the idler frequency continuously within a range as large as 56 GHz by changing the wavelength of the diode pump laser. The versatility of this continuously tunable single-frequency infrared source is demonstrated by recording of N2O rovibrational absorption lines near 2.1 μm.

© 2000 Optical Society of America

OCIS Codes
(190.4360) Nonlinear optics : Nonlinear optics, devices
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers
(300.1030) Spectroscopy : Absorption
(300.6340) Spectroscopy : Spectroscopy, infrared
(300.6390) Spectroscopy : Spectroscopy, molecular

M. E. Klein, C. K. Laue, D.-H. Lee, K.-J. Boller, and R. Wallenstein, "Diode-pumped singly resonant continuous-wave optical parametric oscillator with wide continuous tuning of the near-infrared idler wave," Opt. Lett. 25, 490-492 (2000)

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