Non-Linear Crystal Electro Optic Crystals-Ktp

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PRODUCTS DETAILS

  • Overview
  • Product Parameters
Overview

Basic Info.

Model NO.
FWKTP
Transport Package
Box
Specification
customerised
Trademark
FineWin
Origin
Henan China

Product Description

Potassium Titanyl Phosphate (KTiOPO4,KTP) 

KTP (KTiOPO4) is an excellent non-linear crystal. It exhibts high optical quality, broad transparent range, relatively effective SHG coefficient ( about 3 times higher than that of KDP), very high optical damage threshold, wide acceptance angle, small walk-off , and type 1and type 2 non-critial phase-matching (NCPM) in a wide wavelength range. KTP is the most commonly used material for frequency doubling of Nd:YAG laser and other Nd-doped lasers, particularly at the low or medium power density. The properties of KTP make it superior as an electro-optic modulator as well as an optical waveguide device, including phase modulators, amplitude modulators and directional couplers.
Product Parameters

 

Flank Size(W*H): 1×1~15×15
Length(L): 0.05~20mm
Angle Tolerance: Δθ< ± 0.2°; Δφ< ±0.2°
Size Tolerance: (W ± 0.1mm) x (H ± 0.1mm) x (L + 0.2mm/-0.1mm)
Flatness: <λ/8 @ 633nm
Smooth Finish: 20/10
Parallelism: <30"
Perpendicularity: <10'
Wavefront Distortion: < λ/8 @ 633nm
Clear Aperture: > 90%
Coating: According to customer request
 

Physical and Optical Properties:

Crystal Structure orthorhombic system, space group Pna21, point group mm2
Cell Parameters a=6.404?, b=10.616?, c=12.814, Z=8
Melting Point About 1172 Degree
Mohs Hardness 5
Density 3.01 g/cm3
Thermal Conductivity 13W/m/K
thermal expansion coefficient ax=11x10-6/0C, ay=9x10-6/0C, az=0.6x10-6/0C
 
Dialytic Wavebands 350~4500nm
SHG 497 ~ 1800nm (Type II)
Thermo-Optical Coeffecient(/°C) dnx/dT=1.1X10-5
dny/dT=1.3X10-5
dnz/dT=1.6X10-5
Absorption Coefficient <0.1%/cm at 1064nm <1%/cm at 532nm
For Type II SHG of a Nd:YAG laser at 1064nm Temperature Acceptance: 24°C-cm 
Spectral Acceptance: 0.56nm-cm
Angular Acceptance: 14.2mrad-cm (φ);55.3mrad-cm (q)
Walk-off Angle: 0.55°
Nonlinear Coefficient d31=6.5 pm/V d24=7.6 pm/V
d32= 5 pm/V d15=6.1 pm/V
d33=13.7 pm/V
Sellmeier Equation (λ in μm) nx2=3.0065+0.03901/(λ2-0.04251)-0.01327λ2
ny2=3.0333+0.04154/(λ2-0.04547)-0.01408λ2 
nz2=3.3134+0.05694/(λ2-0.05658)-0.01682λ2


Characteristic:
  • Product Name: KTP
  • Dimension Tolerance:W x H (+/- 0.1mm) x L (+0.5/-0.1mm)
  • Angle Tolerance:Δθ ≤ 0.25°, Δφ ≤ 0.25°
  • Parallelism:< 20 arc seconds
  • Perpendicularity:< 5 arc minutes
  • Chamfer:0.1mm at 45°
  • Clear Aperture:90%
  • Scratch and Dig:10/5
  • Surface Flatness:λ/8 at 633nm
  • Wavefront Distortion:λ/8 at 633nm
  • Damage Threshold (AR coated):> 0.5 GW/cm2 TEM00, 10ns, 10Hz at 1064nm > 0.3 GW/cm2 TEM00, 10ns, 10Hz at 532nm
Applications:
KTP or Potassium Titanyl Phosphate (KTiOPO4) is widely used in both commercial lasers including laboratory and medical systems, range finders, lidar, optical communication and industrial systems. It has large nonlinear optical coefficient, wide angular bandwidth and small walk-of angle. As well as broad temperature and spectral bandwidth.


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