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Potassium Titanyl Phosphate
(KTiOPO4 or KTP) is an excellent non-linear crystal.
It exhibits high optical quality, broad transparent range, relatively
high effective SHG coefficient (about 3 times higher than that
of KDP), very high optical damage threshold, wide acceptance angle,
small walk-off and type I and type II non-critical phase-matching
(NCPM) in a wide wavelength range. KTP is the most commonly used
material for frequency doubling of Nd:YAG lasers and other Nd-doped
lasers, particularly at the low or medium power density. The properties
of KTP make it superior as an electrooptic modulator as well as
an optical waveguide device, including phase modulators, amplitude
modulators and directional couplers.
APPLICATIONS:
• Second harmonic generator of radiation
1.064 µm
• Optical parametric oscilator in near IR
region up to 4 µm
• Different frequency generator in near IR
region
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