KTP Crystal
are mostly used as nonlinear crystals for frequency doubling of solid-state Nd:YAG crystalor 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 high electro-optic(E-O) coefficient and low dielectric constant, and large figure of merit, these features make it also widely used in electro-optic application.
Advantages of KTP Crystal:
- Large Nonlinear Optical (NLO) Coefficients
- 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
Specifications
Capabilities of KTP Crystal:
Aperture: 2x2 ~ 10x10mm
Lenght: 0.1 - 20mm
Cutting Angle q and f: Determined by different kinds of homonic generartion
Phase matching type: Type I or Type II
End Configuration: Plano/Plano or Brewst/Brewst or Specified
Specifications of KTP Crystal:
Angle tolerance: Δθ< ± 0.5°; Δφ< ±0.5°
Dimensional Tolerance: (W ± 0.1mm) x (H ± 0.1mm) x (L + 0.2mm/-0.1mm)
Flatness: <λ/8 at 633nm
Surface Quality: 10/5 Scracth/Dig
Parallelism: < 20 arc seconds
Perpendicularity: < 5 arc minutes
Wavefront Distortion: <λ/8 at 632.8nm
Clear Aperture: Central 95%
Chamfer: 0.15x45°
Coating: a) * S1,S2: AR @ 1064 nm R<0.1% & 532nm R<0.25%
b) * S1:HR @ 1064nm R>99.8% & HT@ 808nm T>95%
S2:AR @ 1064 nm R<0.1% & 532nm R<0.25%
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