High power, broadly tunable all-solid-state synchronously-pumped lithium triborate optical parametric oscillator
Butterworth, S.D., Girard, S. and Hanna, D.C. (1995) High power, broadly tunable all-solid-state synchronously-pumped lithium triborate optical parametric oscillator. Journal of the Optical Society of America B, 12, (11), 2158-2167. (doi:10.1364/JOSAB.12.002158).
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The performance of a high-power all-solid-state synchronously-pumped optical parametric oscillator (OPO) based on a Brewster-angled lithium triborate (LBO) crystal is reported. The pump scheme includes a diode-pumped amplifier stage to boost the mean output power from an additive-pulse mode-locked Nd:YLF laser by a factor of two. Improvements in the efficiency of an external resonant frequency-doubler have produced a useful output power of 660mW at 523.5µm for pumping the OPO. Temperature-tuned noncritical phase matching of the LBO crystal allowed generation of continuously tunable radiation over the range 0.65-2.7µm with mean output powers for the signal (idler) as high as 210mW (110mW) in the standard X-fold resonator. The high intracavity power of the resonated signal wave introduced nonlinear chirping of the emitted pulses. With prisms to provide intracavity dispersion compensation, nearly transform-limited pulses of 1.63psec duration were generated with mean output power up to 140mW, ie. peak powers of ~700W.
|Subjects:||Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
|Divisions:||University Structure - Pre August 2011 > Optoelectronics Research Centre
University Structure - Pre August 2011 > School of Physics and Astronomy
|Date Deposited:||11 Mar 2010|
|Last Modified:||17 Jul 2013 01:12|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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