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Sub-nanosecond, 1-kHz, low-threshold, non-critical OPO based on periodically-poled KTP crystal pumped at 1064 nm
KTH, School of Engineering Sciences (SCI), Applied Physics, Laser Physics.ORCID iD: 0000-0002-2508-391X
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2012 (English)In: Nonlinear Frequency Generation And Conversion: Materials, Devices, And Applications XI / [ed] Vodopyanov, KL, SPIE - International Society for Optical Engineering, 2012, Vol. 8240, 82400D- p.Conference paper (Refereed)
Abstract [en]

We employed a 9-mm long periodically-poled KTiOPO 4 (PPKTP) crystal with a domain inversion period of 37.8 ÎŒm in an optical parametric oscillator (OPO) to generate sub-nanosecond pulses around 2.8 ÎŒm. With a 1-cm long OPO cavity in a singly resonant configuration with double pass pumping the OPO threshold was 110 ÎŒJ at 1064 nm (1-ns pump pulses at 1064 nm). The maximum idler output energy reached 110 ÎŒJ (quantum conversion efficiency of 32.5%). The signal pulse duration (FWHM) was 0.72 ns and the estimated idler pulse duration was 0.76 ns. At room temperature the signal and idler wavelengths were at 1722 and 2786 nm.

Place, publisher, year, edition, pages
SPIE - International Society for Optical Engineering, 2012. Vol. 8240, 82400D- p.
, Proceedings of SPIE, ISSN 0277-786X ; 8240
Keyword [en]
optical parametric oscillators, mid-infrared, sub-nanosecond pulses, PPKTP
National Category
Atom and Molecular Physics and Optics
URN: urn:nbn:se:kth:diva-98606DOI: 10.1117/12.907360ISI: 000302636900009ScopusID: 2-s2.0-84859726306ISBN: 978-0-8194-8883-1OAI: diva2:538230
Nonlinear Frequency Generation and Conversion: Materials, Devices, and Applications XI; San Francisco, CA; 24 January 2012 through 26 January 2012
QC 20120629Available from: 2012-06-29 Created: 2012-06-28 Last updated: 2015-03-30Bibliographically approved

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Pasiskevicius, ValdasThilmann, NickyLaurell, Fredrik
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