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High power, broadly tunable all-solid-state synchronously-pumped lithium triborate optical parametric oscillator

High power, broadly tunable all-solid-state synchronously-pumped lithium triborate optical parametric oscillator
High power, broadly tunable all-solid-state synchronously-pumped lithium triborate optical parametric oscillator
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.
1094-4087
2158-2167
Butterworth, S.D.
d2fdb456-6422-4d02-87e6-0b63a3fed706
Girard, S.
c15ecbce-080e-4a86-a9a9-d0f4c93ecbd2
Hanna, D.C.
3da5a5b4-71c2-4441-bb67-21f0d28a187d
Butterworth, S.D.
d2fdb456-6422-4d02-87e6-0b63a3fed706
Girard, S.
c15ecbce-080e-4a86-a9a9-d0f4c93ecbd2
Hanna, D.C.
3da5a5b4-71c2-4441-bb67-21f0d28a187d

Butterworth, S.D., Girard, S. and Hanna, D.C. (1995) High power, broadly tunable all-solid-state synchronously-pumped lithium triborate optical parametric oscillator Optics Express, 12, (11), pp. 2158-2167. (doi:10.1364/JOSAB.12.002158).

Record type: Article

Abstract

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.

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Published date: November 1995

Identifiers

Local EPrints ID: 78395
URI: http://eprints.soton.ac.uk/id/eprint/78395
ISSN: 1094-4087
PURE UUID: cec23eed-44b8-4471-a3c3-1ec5de64d7cc

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Date deposited: 11 Mar 2010
Last modified: 18 Jul 2017 23:24

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Contributors

Author: S.D. Butterworth
Author: S. Girard
Author: D.C. Hanna

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