KTP-Electro-optic Crystal – Customized Products

Product ID: 6791


$100

KTP-Electro-optic Crystal – Customized Products

KTP-Electro-optic Crystal, also known as potassium titanium phosphate oxychloride crystal with the chemical formula KTiOPO4, is a crystal product with excellent nonlinear and electro-optical properties. KTP has a high electro-optical coefficient and low dielectric constant and can operate at high frequencies and can be used as an electro-optical Q-modulation crystal. KTP also has excellent frequency doubling properties: large nonlinear coefficient, no deflection angle, high optical damage threshold, and phase matching. KTP crystals are advantageous due to their high nonlinearity, high mechanical stability, high optical quality, and transparency range of 350nm – 4500nm, and these properties determine the wide application of KTP crystals that are widely used as nonlinear media. It is an excellent solution for Nd-doped laser frequency doubling applications, especially for low to medium power applications in both intra-cavity and extra-cavity designs. It also has a wide range of applications related to frequency doubling (SHG) of Nd-doped lasers with green/red output and frequency mixing (SFM) of Nd lasers and diode lasers with blue output.

Note:
$100 is a deposit, not the final price of the product. Please contact us for price if needed.

FEATURES
High damage threshold
High temperature stability
Low half-wave voltage
Easy to grow into large crystals
Large reception angle
High photoelectric coefficien
low dielectric constant
Wide temperature range and spectral range

Crystal Specifications

Materials KTiOPO4
Angle Cutting Positioning Accuracy <30′
Phase Matching Type Ⅱ,θ=90°;φ=Phase Matching Angle
Phase Matching Range 497-3300nm
Angle Tolerance Δθ≤0.25°,ΔΦ≤0.25°
Dimensional Tolerance (W ±0.1mm)× (H± 0.1mm)×(L+0.5/-0.1mm) L≥2.5mm
(W ±0.1mm)× (H± 0.1mm)×(L+0.1/-0.1mm) L<2.5mm
Flatness <λ/8 @633nm
Surface Finish 10/5 S/D
Parallelism <10“
Perpendicularity ≤5’
Coating a) S1&S2:AR@1064nm R<0.1%
AR@532nm, R<0.25%
b) S1:HR@1064nm,R>99.8%
High temperature @808nm,T>5%
S2: HR@1064nm, R<0.1%
AR@532nm, R<0.25%
Coating can be customized according to user requirements


Crystal Physical Properties

Crystal Structure mm2
Lattice Constant a=6.404Å,b=10.615Å,c=12.814Å,z=8
Melting Point ~1172℃
Transformation Temperature 936℃
Decomposition Temperature ~1150℃
Optical Uniformity dn~10-6/cm
Hardness ~5
Density 3.01g/cm3
Specific Heat Capacity 0.1737cal/g.℃
Absorption Coefficient a<1%/cm@1064nm和532nm
Hygroscopicity No
Dielectric Constant 13
Thermal Coefficient of Expansion(@25℃-900℃) a1=11×10-6-1
a2=9×10-6-1
a3=0.6×10-6-1
Thermal Conductivity k1=2.0×10-2 W/cm ℃
k2=3.0×10 -2W/cm ℃
k3=3.3×10-2 W/cm ℃
Conductivity 3.5×10-8 s/cm(c axis,22℃,1kHz)


Crystal Optical Properties

Transparency Range 497-1800nm
Thermo-optic Coeffecient dnx/dT=1.1×10-5/℃
dny/dT=1.3×10-5/℃
dnz/dT=1.6×10-5/℃
Sellmeier Equation nx2=3.0065+0.03901/(I2-0.04251)-0.01327I2
ny2=3.0333+0.04154/(I2-0.04527)-0.01408I2
nz2=3.3134+0.05694/(I2-0.05658)-0.01682I2
Effective Nonlinear Optical Coefficient deff(Ⅱ)≈(d24-d15)sin2θsin2φ-(d15sin2φ+d24cos2φ)sinθ
Damage Threshold >0.5GW/cm3 used for 10ns pulses @1064nm