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Forfatter: Rustad, Gunnar; Farsund, Øystein; Arisholm, Gunnar
Publisert: 2010
Emneord: Oscillatorer; Laserstråler
Permalenke: http://hdl.handle.net/20.500.12242/800; https://ffi-publikasjoner.archive.knowledgearc.net/handle/20.500.12242/800
DOI: 10.1117/12.854958
Samling: Articles
Description: Rustad, Gunnar; Farsund, Øystein; Arisholm, Gunnar. Optical parametric oscillators with high pulse energy and beam quality. Proceedings of SPIE, the International Society for Optical Engineering 2010 ;Volum 7721.

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A new method for obtaining high beam quality from high pulse energy optical parametric oscillators (OPOs) is demonstrated. By using different nonlinear crystals that have walk-off in orthogonal directions but are type 2 phase matched for the same interaction, the strong beam asymmetry that is common in critically type 2 phase matched OPOs is removed. Experimentally, this was demonstrated by adding BBO crystals to a type 2 phase matched KTA OPO, where the beam quality improved from M2 ≈ 2 x 12 in the KTA OPO to M2 ≈ 2 x 2 from the KTA-BBO OPO.

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dc.contributor.author	Rustad, Gunnar ,Farsund, Øystein ,Arisholm, Gunnar
dc.date.accessioned	2017-11-13T12:22:52Z ,2017-11-14T10:21:22Z
dc.date.available	2017-11-13T12:22:52Z ,2017-11-14T10:21:22Z
dc.date.issued	2010
dc.identifier.citation	Rustad G, Farsund Ø, Arisholm G. Optical parametric oscillators with high pulse energy and beam quality. Proceedings of SPIE, the International Society for Optical Engineering. 2010;7721
dc.identifier.uri	http://hdl.handle.net/20.500.12242/800 ,https://ffi-publikasjoner.archive.knowledgearc.net/handle/20.500.12242/800
dc.description	Rustad, Gunnar; Farsund, Øystein; Arisholm, Gunnar. Optical parametric oscillators with high pulse energy and beam quality. Proceedings of SPIE, the International Society for Optical Engineering 2010 ;Volum 7721.
dc.description.abstract	A new method for obtaining high beam quality from high pulse energy optical parametric oscillators (OPOs) is demonstrated. By using different nonlinear crystals that have walk-off in orthogonal directions but are type 2 phase matched for the same interaction, the strong beam asymmetry that is common in critically type 2 phase matched OPOs is removed. Experimentally, this was demonstrated by adding BBO crystals to a type 2 phase matched KTA OPO, where the beam quality improved from M2 ≈ 2 x 12 in the KTA OPO to M2 ≈ 2 x 2 from the KTA-BBO OPO.
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dc.language.iso	en
dc.subject	TermSet Emneord::Oscillatorer ,TermSet Emneord::Laserstråler
dc.title	Optical parametric oscillators with high pulse energy and beam quality
dc.type	Article
dc.date.updated	2017-11-13T12:22:52Z
dc.identifier.cristinID	523184 ,523184
dc.identifier.doi	10.1117/12.854958
dc.source.issn	0277-786X ,1996-756X
dc.type.document	Journal article
dc.relation.journal	Proceedings of SPIE, the International Society for Optical Engineering