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Potassium Titanyl Phosphate (KTiOPO3 or KTP) crystal is an excellent nonlinear optical material and has been extensively used in frequency doubling of IR lasers. The 1064nm SHG conversion efficiency was reported high up to 80%. It has a lot of excellent properties such as high nonlinear optical coefficient (about 15 times KDP crystal), high Electro-Optic coefficient, low dielectric constant, high thermal conductivity ( 2 times that of BNN crystal ). In addition, KTP single crystal is moisture free and mechanically stable. It has minimum mismatch gradient , super-polished optical surface and no decomposition below 900oC.
Please e-mail us at info@mtixtl.com to get a quick quote. Please always remember to mention: size ( LXWxH) , face to be polished and quantity you may need.
Chemical and Structural properties
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Crystal Structure |
Orthorhombic, space group Pna21,point group mm2 |
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Lattice Parameter |
a=6.404A b=10.616A, c=12.814A Z=8 |
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Melting Point |
About 1172°C |
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Mohs Hardness |
5 |
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Density |
3.01 g/cm3 |
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Thermal Conductivity |
13W/m/K |
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Thermal Expansion Coefficient |
αx=11x10-6/°C, αy=9x10-6/°C, αz=0.6x10-6/°C |
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Max. size available |
40 x 30 x1.0 mm at Z cut <001> |
Optical and Nonlinear Optical Properties
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Transparency Range |
350～4500nm |
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SHG Phase Matchable Range |
497～1800nm (Type II) |
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Therm-optic Coefficients
(/°C) |
dnx/dT=1.1X10-5
dny/dT=1.3X10-5
dnz/dT=1.6X10-5 |
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Absorption Coefficients |
<0.1%/cm at 1064nm <1%/cm at 532nm |
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For Type II SHG of a Nd:YAG laser at 1064nm
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Temperature Acceptance: 24°C-cm
Spectral Acceptance: 0.56nm-cm
Angular Acceptance: 14.2mrad-cm (φ);55.3mrad-cm (θ)
Walk-off Angle: 0.55° |
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NLO Coefficients |
deff(II)≈(d24-d15)sin2φsin2θ-(d15sin2φ + d24cos2φ)sinθ |
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Non-vanished NLO susceptibilities |
d31=6.5 pm/V d24=7.6 pm/V
d32=5 pm/V d15=6.1 pm/V
d33=13.7 pm/V |
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Sellmeier Equations
(λ in μm) |
nx2=3.0065+0.03901/(λ2-0.04251)-0.01327λ 2
ny2=3.0333+0.04154/(λ 2-0.04547)-0.01408λ2
nz2=3.0065+0.05694/(λ 2-0.05658)-0.01682λ2 | |
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MS&T 2012, Booth# 536, Oct.9-10, 2012, Pittsburgh, PA, USA
 Nanotech 2012, Booth# 712, June 19-20, 2012, Santa Clara, California
 TMS 2012, Booth# 330, Mar. 12- 14, 2012, Orlando, FL, USA
 APS 2012, Booth#211, Feb.27-29, 2012, Boston, MA, USA
 AABC 2012, Booth #809, Feb 6-10, 2012,Orlando, FL, USA
 36th ICAE/ICACC 2012, Booth#214, Jan.24-25, 2012, Daytona Beach, FL, USA
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Notices
1. The price listed on line is valid for US market and who pay by credit card only. There will be extra cost for shipping and handling. The price is different from country to country
2. We may add extra cost for paper order and net 30 term due to extra labor cost
3. The price is subject to change without notice
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