Narrow-linewidth middle-infrared ZnGeP{sub 2} optical parametric oscillator
Journal Article
·
· Journal of the Optical Society of America B
We report a narrow-linewidth ZnGeP{sub 2} (ZGP) optical parametric oscillator (OPO). It employs a Q-switched Nd:YAG-laser-pumped LiNbO{sub 3} OPO with an output at {lambda}=2.55{mu}m 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 {mu}m with an output linewidth of {similar_to}0.1 cm{minus}1, corresponding to {similar_to}3 axial cavity modes. We have also demonstrated that such a narrow-linewidth OPO can be achieved with a fairly broadband ({similar_to}15 cm{minus}1) pump. {copyright} 2001 Optical Society of America
- Sponsoring Organization:
- (US)
- OSTI ID:
- 40203227
- Journal Information:
- Journal of the Optical Society of America B, Journal Name: Journal of the Optical Society of America B Journal Issue: 6 Vol. 18; ISSN 0740-3224
- Publisher:
- The American Physical Society
- Country of Publication:
- United States
- Language:
- English
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