Pulsed OPO brightness improvement by means of intracavity spatial filtering

Abstract : The design and operation of a pulsed optical parametric oscillator (OPO) with an intracavity spatial filter is described. This filter, designed to select a single high-order transverse mode, improves the brightness of the generated parametric waves by decreasing their divergence. This process is confirmed by experiments carried out on a KTP OPO pumped at 532 nm, operating close to degeneracy in a singly resonant regime. Comparison of the output energy and beam quality for the OPO with and without intracavity filtering demonstrated a five-fold increase in brightness.
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Optics Communications, Elsevier, 1999, 167, 〈10.1016/S0030-4018(99)00314-4〉
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https://hal-unilim.archives-ouvertes.fr/hal-01278032
Contributeur : Vincent Kermène <>
Soumis le : mardi 23 février 2016 - 15:23:07
Dernière modification le : jeudi 11 janvier 2018 - 06:17:28

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B. Bourliaguet, Alain Mugnier, Vincent Kermène, Alain Barthélémy, Claude Froehly. Pulsed OPO brightness improvement by means of intracavity spatial filtering. Optics Communications, Elsevier, 1999, 167, 〈10.1016/S0030-4018(99)00314-4〉. 〈hal-01278032〉

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