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Potassium Titanium Oxide Phosphate (KTiOPO4 ), or KTP, is an efficient nonlinear optical crystal in the visible to infrared spectral region with relatively low cost. It has large nonlinear coefficient. The effective nonlinear optical coefficient of KTP deff at 1064nm is more than 1.5 times that of BBO.

Main Features

Wide Angular Bandwidth and Small Walk-off Angle
Broad Temperature and Spectral Bandwidth
High Electro-Optic (E-O) Coefficient and Low Dielectric Constant
Large Figure of Merit for an Optical Waveguide Modulator
Nonhygroscopic, Good Chemical and Mechanical Properties
Efficient frequency conversion(1064nm SHG conversion efficiency is about 80%)
Large nonlinear optical coefficients
High thermal conductivity
Minimum mismatch gradient
Low cost compare with BBO and LBO

Typical Applications

Frequency Mixing (SFM) of Nd Laser and Diode Laser for Blue Output
Frequency Doubling (SHG) of Nd-doped Lasers for Green/Red Output
Parametric Sources (OPG, OPA and OPO) for 0.6um-4.5um Tunable Output
E-O Modulators, Optical Switches, Directional Couplers
Optical Waveguides for Integrated NLO and E-O Devices

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