Type II sum frequency generation in flux and hydrothermally grown KTP at 1.319 and 1.338 mu m

Type-II, noncritically phase-matched, sum-frequency generation by mixing of the 1.319- and 1.338- mu m lines of a Q-switched Nd:YAG laser with their second harmonics is discussed. Results are presented for KTP crystals grown by both the hydrothermal and the flux technique. A temperature-acceptance w...

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Bibliographic Details
Published inIEEE photonics technology letters Vol. 1; no. 12; pp. 446 - 448
Main Authors Stolzenberger, R.A., Hsu, C.C., Peyghambarian, N., Reid, J.J.E., Morgan, R.A.
Format Journal Article
LanguageEnglish
Published IEEE 01.12.1989
Subjects
Chemical lasers
Crystals
Nonlinear optics
Optical frequency conversion
Optical materials
Optical mixing
Optical refraction
Optical variables control
Refractive index
Temperature
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Summary:Type-II, noncritically phase-matched, sum-frequency generation by mixing of the 1.319- and 1.338- mu m lines of a Q-switched Nd:YAG laser with their second harmonics is discussed. Results are presented for KTP crystals grown by both the hydrothermal and the flux technique. A temperature-acceptance width-length product of 8.5+or-0.5 degrees C-cm was determined. Type-II critical phase matching at room temperature, for three different propagation/polarization orientations, is also demonstrated. The differences in the angles required for phase matching between crystals grown by the different techniques are quantified.< >
ISSN:1041-1135
1941-0174
DOI:10.1109/68.46045