Title :
Type II sum frequency generation in flux and hydrothermally grown KTP at 1.319 and 1.338 mu m
Author :
Stolzenberger, Richard A. ; Hsu, Chia Chen ; Peyghambarian, Nasser ; Reid, John J E ; Morgan, Robert A.
Author_Institution :
North American Philips Corp., Briarcliff Manor, NY, USA
Abstract :
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.<>
Keywords :
crystal growth from solution; optical frequency conversion; potassium compounds; titanium compounds; 1.319 micron; 1.338 micron; KTP crystals; KTiOPO/sub 4/; Q-switched Nd:YAG laser; YAG:Nd laser; YAl5O12:Nd; critical phase matching; flux technique; hydrothermal technique; hydrothermally grown; noncritically phase-matched; propagation/polarization orientations; second harmonics; sum frequency generation; temperature-acceptance width-length product; type II; Chemical lasers; Crystals; Nonlinear optics; Optical frequency conversion; Optical materials; Optical mixing; Optical refraction; Optical variables control; Refractive index; Temperature;
Journal_Title :
Photonics Technology Letters, IEEE
