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Specifications
Dimension tolerance: ¡À0.1mm
Flatness: l/8 @633nm
Surface quality: Scratch/Dig £±£°/£µ
Parallelism: better than 10 arc sec.
Perpendicularity: better than 5 arc min
Angle tolerance: ¡÷q < 0.5¡ã,¡÷f < 0.5¡ã
AR coating: dual band AR coating at 1064/532 nm for both faces
residual reflectivity: R1064<0.1% ,R532<0.2%
Clear aperture: >90% central area
Transmitting wavefront distortion: less than l/4 @ 633nm
Homogenity:¦Ä¡Ö10-6/cm
Quality Warranty Period: one year under proper use
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Standard Products |
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Part No. |
Specification |
price(USD) |
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KTP001 |
KTP 3X3X5mm ¦È=90¡ã¦Õ=23.5¡ãS1£ºAR@1064 S2£ºHR@1064 AR@532 |
$60 |
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KTP002 |
KTP 7X7X3mm ¦È=90¡ã¦Õ=23.5¡ãAR/AR@1064/532 |
$120 |
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KTP003 |
KTP 7X7X5mm¦È=90¡ã¦Õ=23.5¡ãAR/AR@1064/532 |
$170 |
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KTP004 |
KTP 8X8X7mm¦È=90¡ã¦Õ=23.5¡ãAR/AR@1064/532 |
$270 |
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KTP005 |
KTP 8X8X8mm ¦È=90¡ã¦Õ=23.5¡ãAR/AR@1064/532 |
$335 |
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KTP006 |
KTP 10x10x5mm¦È=90¡ã¦Õ=23.5¡ãAR/AR@1064/532 |
$335 |
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KTP007 |
KTP 10X10X6mm¦È=90¡ã¦Õ=23.5¡ãAR/AR@1064/532 |
$370 |
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KTP008 |
KTP 5X5X20mm ¦È=90¡ã¦Õ=0¡ãAR/AR@1064/1570 |
$420 |
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KTP009 |
KTP 12X12X4mm¦È=90¡ã¦Õ=23.5¡ãAR/AR@1064/532 |
$470 |
| 1. Structural and Physical Properties |
| Crystal Structure |
Orthorhombic, point group mm2 |
| Cell Parameters |
a = 6.404Å, b = 10.616Å, c = 12.814Å Z = 8 |
| Melting Point |
1172 oC Incongruent |
| Curie point |
936 oC |
| Mohs Hardness |
» 5.0 |
| Density |
3.01g/cm3 |
| Linear Absorption Coefficients |
a <0.001 cm-1 @ l =1064 nm or 532 nm |
| Hygroscopic Susceptibility |
no |
| Relative Dielectric Constant |
eeff=13 |
| Specific heat |
0.1643 cal/g.oC |
| Electrical conductivity |
3.5x10-8 s/cm (c-axis, 22oC, 1KHz) |
| Thermal Conductivity |
13W/m/K |
| 2. Linear Optical Properties |
| Transparency Range: |
| 350 - 4500 nm, See Transparency Curve |
| Refractive Indices: |
| Wavelength nx ny nz |
| 1064 nm 1.7377 1.7453 1.8297 |
| 532 nm 1.7780 1.7886 1.8887 |
| Therm-Optic Coefficients: |
| dnx/dT=1.1x10-5/oC |
| dny/dT=1.3x10-5/oC |
| dnz/dT=1.6x10-5/oC |
| Sellmeier Equations: |
| n2x=3.0065+0.03901/(l2-0.04251)-0.01327l2 |
| n2y=3.0333+0.04154/(l2-0.04547)-0.01408l2 |
| n2z=3.3134+0.05694/(l2-0.05658)-0.01682l2 |
| 3. NonLinear Optical Properties |
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Phase-Matchable Output Range: |
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492- 1700 nm |
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NLO Coefficients: |
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d31=2.54pm/V, d32=4.35pm/V, d33=16.9pm/V |
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d24=3.64pm/V, d15=1.91pm/V at 1064 nm |
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deff(II)» (d24 - d15)sin2fsin2q - (d15sin2f + d24cos2f)sinq |
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Electro-Optic Coefficients: |
Low Frequency (pm/V) |
High Frequency(pm/V) |
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g13 |
9.5 |
8.8 |
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g23 |
15.7 |
13.8 |
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g33 |
36.3 |
35 |
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g51 |
7.3 |
6.99 |
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g42 |
9.3 |
8.8 |
| Applications for SHG and SFG of Nd:lasers |
| KTP is the most commonly used material for frequency doubling of Nd:YAG lasers and other Nd-doped lasers, particularly at the low or medium power density. |
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PM angle |
q=90o, f=23.5o,where q & f are polar angles referring to Z and X. |
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Effective SHG coefficient |
deff » 8.3xd36(KDP) |
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Angular acceptance |
20 mrad-cm |
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Temperature acceptance |
25oC-cm |
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Spectral acceptance |
5.6 Å-cm. |
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Walk-off angle |
4.5mrad (0.26o) |
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Optical damage threshold |
> 450MW/cm2, (@ 1.06mm, 10ns, 10Hz) |
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Copyright ©2026
Chang Chun Fortune Optronics Inc. All rights reserved |
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Optical Windows
