HGTR-KTP (Highly Gray Trace Resistant KTP) – Nonlinear Crystal – Customized Products

Product ID: 6671

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$100

HGTR-KTP (Highly Gray Trace Resistant KTP) – Nonlinear Crystal – Customized Products

HGTR-KTP (Highly Gray Trace Resistant KTP) nonlinear crystal, the direct manifestation of gray trace is the appearance of black or gray damage traces inside the crystal, while HGTR-KTP nonlinear crystal greatly reduces the Ti+3 ion center defect inside the crystal during laser frequency doubling, its nonlinear optical coefficient, high thermal conductivity, small mismatch and small walking away angle, no deliquescence, stable chemical and mechanical properties, is now widely used in Nd:YAG and Nd:YVO4 lasers with 1064-532 nm wavelengths are widely used as frequency doubling crystal materials. In addition, it can also be used to make components for frequency doubling, frequency mixing, electro-optical modulation, optical parametric oscillation and optical waveguide.

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

FEATURES

No deliquescence
High optical quality
Low half wave voltage
Large nonlinear coefficient
High anti ash track performance
High light damage threshold
Stable chemical and mechanical properties
Large range of allowable temperature matching and allowable angle matching

Physicochemical Properties

Property Value
Chemical Formula HGTR-KTiOPO4
Crystal Structure Rhombic system, space group Pna21, point group mm2
Lattice Constant a=6.404Å
b=10.616Å
c=12.814Å
Z=8
Mohs Hardness 5
Density 3.01 g/cm3
Melting Point 1172°C
Thermal Conductivity 13 W/m/K
Thermal Coefficient of Expansion ax=11×10-6/℃
ay=9×10-6/℃
az=0.6×10-6/℃

 

Nonlinear Optical Properties

SHG phase matching range 497-1800nm (Type II)
Nonlinear Coefficient @1064nm deff(II)≈(d24-d15)sin2φsin2θ-(d15sin2φ+d24cos2φ)sinθ
d31=2.54pm/V
d32=1.35pm/V
d33=16.9pm/V
d24=3.64pm/V
d15=1.91pm/V
Thermo-optical Coeffecient dnx/dT=1.1*10-5/℃
dny/dT=1.3*10-5/℃
dnz/dT=1.6*10-5/℃
Damage Threshold: [GW/cm ] >0.5 @1064 nm,TEM00, 10ns,10HZ(AR-coated)
>0.3 @532 nm,TEM00, 10ns,10HZ(AR-coated)

 

Linear Optical Properties

Transparency range 350-4500 nm
Absorption Coefficient <0.1%/cm @1064 nm
<1%/cm @532 nm
Refractive Index nx=1.7377,
ny=1.7453,
nz=1.8297 @1064nm
nx=1.7780,
ny=1.7886,
nz=1.8887 @532nm
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

 

Spectrum

TaorLab laser crystals

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