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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 18, Iss. 6 — Jun. 1, 2001
  • pp: 818–822

Narrow-linewidth middle-infrared ZnGeP2 optical parametric oscillator

F. Ganikhanov, T. Caughey, and K. L. Vodopyanov  »View Author Affiliations


JOSA B, Vol. 18, Issue 6, pp. 818-822 (2001)
http://dx.doi.org/10.1364/JOSAB.18.000818


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Abstract

We report a narrow-linewidth ZnGeP2 (ZGP) optical parametric oscillator (OPO). It employs a Q-switched Nd:YAG-laser-pumped LiNbO3 OPO with an output at λ=2.55 µm that is used as a pump for the ZGP OPO. With the singly resonant type II ZGP OPO cavity containing a diffraction grating and a Si etalon, we achieved mid-IR tunability from 3.7 to 8 µm with an output linewidth of ∼0.1 cm-1, corresponding to ∼3 axial cavity modes. We have also demonstrated that such a narrow-linewidth OPO can be achieved with a fairly broadband (∼15 cm-1) pump.

© 2001 Optical Society of America

OCIS Codes
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
(190.0190) Nonlinear optics : Nonlinear optics
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers

Citation
F. Ganikhanov, T. Caughey, and K. L. Vodopyanov, "Narrow-linewidth middle-infrared ZnGeP2 optical parametric oscillator," J. Opt. Soc. Am. B 18, 818-822 (2001)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-18-6-818

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