Gibson, G., Ebrahimzadeh, M., Padgett, M., and Dunn, M. (1999) Continuous-Wave Optical Parametric Oscillator Based On Periodically Poled Ktiopo4 And Its Application To Spectroscopy. Optics Letters, 24(6). pp. 397-399. (doi:10.1364/OL.24.000397)
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We report a continuous-wave, doubly resonant optical parametric oscillator (OPO) based on the nonlinear material periodically poled KTiOPO4 and its application to spectroscopy. The OPO, which is pumped by a diode-pumped frequency-doubled Nd:YLF laser at 523 nm, has a low pump-power threshold of 25 mW and can deliver 10 mW of single-frequency output at 1.65 mu m for a pump power of 200 mW. The idler wavelength can be temperature tuned at a rate of 0.73 nm/degrees C, and smooth tuning of the output frequency over similar to 3 GHz is achieved by smooth tuning of the pump laser. We demonstrate the practicality of the OPO by recording the absorption spectrum of methane near 1649 nm.
|Glasgow Author(s) Enlighten ID:||Padgett, Professor Miles|
|Authors:||Gibson, G., Ebrahimzadeh, M., Padgett, M., and Dunn, M.|
|College/School:||College of Science and Engineering > School of Physics and Astronomy|
|Journal Name:||Optics Letters|
|Journal Abbr.:||Opt. Lett.|