Customization: | Available |
---|---|
Warranty: | 1 Year |
Customized: | Customized |
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Transmission range
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0.4-5 μ m high penetration
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Crystal structure
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Tetragonal system, space group D4h
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Lattice constant
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a=b=7.12Åc=6.29Å
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Density
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4.22g/cm3
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Moh's hardness
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5. Approximate glass
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Hygroscopy
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Not easy to tide solution
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Coefficient of expansion due to heat
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αa= 4.43×10-6/Kαc= 11.37 ×10-6/K
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Thermal conductivity coefficient
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//C: 5.23 W/m/K ⊥C: 5.10 W/m/K
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Crystal class
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Positive uniaxial no=na=nb, ne=nc
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Thermo-optical coeffecient
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dna/dT = 8.5×10-6/Kdnc/dT = 3.0×10-6/K
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Refractive index
Birefringent index (Δn = ne-no) Discrete angle @ 45° (ρ) |
no= 1.9929, ne= 2.2154, Δn = 0.2225, ρ= 6.04°@630nm
no= 1.9500, ne= 2.1554, Δn = 0.2054, ρ= 5.72°@1300nm no= 1.9447, ne= 2.1486, Δn = 0.2039, ρ= 5.69°@1550nm |
Sellmeier Equation (λ in μm)
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no2= 3.77834 + 0.069736/(λ2- 0.04724) - 0.0108133λ2
ne2= 4.59905 + 0.110534/(λ2- 0.04813) - 0.0122676λ2 |
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YVO4
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TiO2
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CaCO3
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LiNbO3
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Thermal dilation (/)
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c-axle
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11.4×10-6
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9.2×10-6
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26.3×10-6
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16.7×10-6
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a-axle
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4.4×10-6
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7.1×10-6
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5.4×10-6
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7×10-6
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Refractive index
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no
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1.9447 @ 1550nm
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2.454 @ 1530nm
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1.6346 @ 1497nm
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2.2151 @ 1440nm
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|
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ne
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2.1486 @ 1550nm
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2.710 @ 1530nm
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1.4774 @ 1497nm
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2.1413 @ 1440nm
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Birefractive index (ne-no)
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0.2039 @ 1550nm
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0.256 @ 1530nm
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-0.1572 @ 1497nm
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-0.0738 @ 1440nm
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Moh's hardness
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|
5
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6.5
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3
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5
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Hygroscopy
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|
deny
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deny
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weak
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deny
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Transmission range
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0.4-5μm
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0.4-5μm
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0.35-2.3μm
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0.4-5μm
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Aperture
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1.0×1.0 mm- 4 × 4 mm
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External diameter tolerance
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+/-0.05mm
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Wedge angle tolerance
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+/-0.1°
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Light axis orientation accuracy
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+/-0.5°
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Flatness
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λ/4 @ 632.8 nm
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Finish
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20/10
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Reflection reducing coating
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R <0.2% @1550 or 1310nm
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Regular size
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1.25mm 1.25mm 0.5mm 13° / 15° wedge angle, phi = 22.5 °
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