| W, mm: |
5 |
| H, mm: |
5 |
| L, mm: |
20 |
| θ: |
90 |
| φ: |
- |
| Coating: |
AR/AR@1064+1570+3300 nm |
| Főkategória: |
Optics |
| Alkategória1: |
Nonlinear and Laser Crystals |
| Alkategória2: |
Nonlinear Crystals |
| Alkategória3: |
Potassium Titanyl Phosphate – KTP Crystals |
| Flatness: |
λ/8 @ 633 nm |
| Parallelism: |
< 20 arcsec |
| Perpendicularity, arcmin: |
< 5 |
| Angle tolerance, arcmin: |
< 30 arcmin |
| Aperture tolerance, mm: |
± 0,1 |
| Surface quality: |
10/5 scratch & dig per MIL-O-13830A |
| Clear Aperture: |
90% of full aperture |
| Crystal structure: |
orthorhombic |
| Point group: |
mm2 |
| Space group: |
Pna21 |
| Lattice constants, Å: |
a = 6,404, b = 10,616, c = 12,814, z = 8 |
| Density, g/cm3: |
3.01 |
| Melting point, °C: |
1172 |
| Transition temperature, °C: |
936 |
| Thermal conductivity, W/m*K: |
13 |
| Thermal expansion coefficients, °C-1: |
ax = 11×10-6, ay = 9×10-6, az = 0,6×10-6 |
| Transparency range, nm: |
350–4400 |
| Mohs' hardness: |
5 |
| Refractive indices at 1064 nm: |
nx = 1,7404
ny = 1,7479
nz = 1,8296 |
| Refractive indices at 532 nm: |
nx = 1,7797
ny = 1,7897
nz = 1,8877 |
| Thermo-optic coefficients in 0,4 – 1,0 μm range: |
∂nx/∂T = 1,1×10-5 (K)-1
∂ny/∂T = 1,3×10-5 (K)-1
∂nz/∂T = 1,6×10-5 (K)-1 |
| Wavelength dispersion of refractive indices (λ – in μm)
no2 =2,083648+ (1,332068λ2/(λ2-0,035306))-0,008525λ2: |
nx2=3,0067+0,0395/(λ2-0,04251)-0,01247*λ2
ny2=3,0319+0,04152/(λ2-0,04586)-0,01337*λ2
nz2 =3,3134+0,05694/(λ2-0,05941)-0,016713*λ2 |
| Type 2 SHG in x-y plane: |
0,99÷1,08 μm |
| Type 2 SHG in x-z plane: |
1,1÷3,4 μm |
| Walk-off: |
4 mrad |
| Angular acceptance: |
Δθ = 55 mrad * cm
Δφ = 10 mrad * cm |
| Thermal acceptance: |
ΔT = 22 K * cm |
| Spectral acceptance: |
Δν = 0,56 nm * cm |
| x-y plane: |
deoe = doee = d15sin2φ + d24cos2φ |
| x-z plane: |
doeo = deoo = d24sinθ
d31= ± 1,95 pm/V d32=± 3,9 pm/V
d33= ± 15,3 pm/V d24= d32 d15= d31 |
| Damage threshold for TEM00 1064 nm: |
>500 MW/cm2
for pulses λ=1064 nm, τ=10 ns, 10 Hz, TEM00 |
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