KTP crystal is mostly used as nonlinear crystals for frequency doubling of solid-state Nd:YAG crystal or Nd:YVO4 crystal laser, as it has large nonlinear optical coefficients, wide angular bandwidth, and small walk-off angle, broad temperature and spectral bandwidth. KTP crystal also has a high electro-optic(E-O) used in the electro-optic application.
KTP CRYSTAL Manufacturing Capabilities
Δθ< ± 0.5°; Δφ< ±0.5°
(W ± 0.1mm) x (H ± 0.1mm) x (L + 0.2/-0.1mm)
<L/8 at 633nm
10/5 before coating, 20/10 after coated
<20 arc seconds
<5 arc minutes
<L/8 at 632.8nm
Bevel (leg width):
<0.15mm x 45degree
* Protective coating is required to prevent polished surfaces from fogging.
* Anti-reflective coating should be considered if low reflectivity is required.
Black Anodized Aluminium
Orthorhombic, point group mm2
a=6.404Ä, b=10.616Ä, c=12.814Ä, Z=8
3.5x10-8s/cm (c-axis, 22°C, 1KHz)
a < 1%/cm @1.064µ m and 0.532µ m
Phase matchable range
0.984 - 3.4 µ m
dnx/dT=1.1x10-5/°C, dny/dT=1.3x10-5/oC, dnz/dT=1.6x10-5/°C
Nonlinear optical coefficients
d31=2.54pm/V, d32=4.35pm/V, d33=16.9pm/V
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