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Frequency down-conversion of 1 μm laser radiation to the mid-IR using non-oxide nonlinear crystals in a cascaded intracavity configuration
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2017 (English)In: Proceedings of SPIE - The International Society for Optical Engineering, SPIE - International Society for Optical Engineering, 2017, Vol. 10088, article id 1008810Conference paper (Refereed)
Abstract [en]

A singly-resonant OPO (SRO) based on AgGaSe2 (AGSe) intracavity pumped at ∼1.85 μm by the signal pulses of a Rb:PPKTP doubly-resonant OPO (DRO) provided extremely broad tuning (5.8 to ∼18 μm) for the non-resonated idler. In a similar set-up with the same nonlinear crystals, we studied intracavity difference-frequency generation (DFG). Both AGSe and the new monoclinic crystal BaGa4Se7 (BGSe) generated single pulse energies of ∼0.7 mJ near 7 μm at an overall conversion efficiency from the 1.064 μm pump of 1.2%. The main advantage of BGSe is its damage resistivity up to the maximum pump levels applied at 100 Hz.

Place, publisher, year, edition, pages
SPIE - International Society for Optical Engineering, 2017. Vol. 10088, article id 1008810
Series
Proceedings of SPIE - The International Society for Optical Engineering, ISSN 0277-786X ; 10088
Keywords [en]
Cascaded frequency downconversion, Difference-frequency generation, Intracavity pumping, Mid-infrared, Non-oxide nonlinear crystals, Optical parametric oscillators
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Other Physics Topics
Identifiers
URN: urn:nbn:se:kth:diva-216686DOI: 10.1117/12.2255643ISI: 000405951000022Scopus ID: 2-s2.0-85020309856ISBN: 9781510606173 OAI: oai:DiVA.org:kth-216686DiVA, id: diva2:1153495
Conference
Nonlinear Frequency Generation and Conversion: Materials and Devices XVI 2017, 30 January 2017 through 1 February 2017
Funder
Swedish Research Council, 621-2012-2430
Note

QC 20171030

Available from: 2017-10-30 Created: 2017-10-30 Last updated: 2017-10-30Bibliographically approved

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Pasiskevicius, ValdasZukauskas, Andrius
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CiteExportLink to record
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  • apa
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