Optical vortex pumped mid-infrared optical parametric oscillator

The first demonstration of a mid-infrared optical parametric oscillator pumped by 1-μm optical vortex pulses is presented. A 0.5-mJ 2-μm fractional vortex pulse having half-integer topological charge is generated. Using this system, 0.24-mJ vortex pulses with a topological charge of 1 can be created...

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Bibliographic Details
Published inOptics express Vol. 19; no. 13; pp. 12220 - 12226
Main Authors Miyamoto, Katsuhiko, Miyagi, Sachio, Yamada, Masaki, Furuki, Kenji, Aoki, Nobuyuki, Okida, Masahito, Omatsu, Takashige
Format Journal Article
LanguageEnglish
Published United States 20.06.2011
Subjects
Equipment Design
Infrared Rays
Interferometry - instrumentation
Interferometry - methods
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Summary:The first demonstration of a mid-infrared optical parametric oscillator pumped by 1-μm optical vortex pulses is presented. A 0.5-mJ 2-μm fractional vortex pulse having half-integer topological charge is generated. Using this system, 0.24-mJ vortex pulses with a topological charge of 1 can be created. The topological charges of the mid-infrared vortex pulses are observed by an interferometric technique in combination with second-harmonic frequency conversion.
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ISSN:1094-4087
1094-4087
DOI:10.1364/OE.19.012220