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Infrared Gas Detector CaF2 Protected Window With Customized Size

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Wuhan Siwer Optics Co.,Ltd

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Name: Infrared Gas Detector CaF2 Protected Window With Customized Size
Brand: Wuhan Siwer Optics
Price: 20 USD

Brand Name : Wuhan Siwer Optics

Place of Origin : Wuhan,China

MOQ : 5 pieces

Price : 20-98USD/piece

Payment Terms : T/T, Western Union

Supply Ability : 1000 pieces/month

Delivery Time : 3-5 weeks

Packaging Details : 1.Tissue paper. 2.Plastic foam packaging film. 3.Hard carton box with quakeproof filler

Material : Calcium Fluoride(CaF2)

Size tolerance : +/-0.1mm

Chamfer : 0.2-0.5mm

Surface quality : 60/40

Surface flatness : Lambda/4 in 25.4mm

Parallelism : 0.01mm

Standard coating : uncoated or customized

Size range : 3-120mm

Usage : Infrared system

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Calcium Fluoride (CaF₂) is commonly used for optics looking at the IR and UV spectrums and has a very low change in refractive index with wavelength.

Infrared Gas Detector CaF2 Protected Window With Customized Size

Material	Calcium Fluoride
Diameter Tolerance	+0.0/-0.1 mm
Thickness Tolerance	±0.1 mm
Parallelism	1 arc min
Surface Quality	60-40 Scratch-Dig
Surface Flatness (Plano Side)	λ/2 at 633nm
Surface Irregularity (Peak to Valley)	λ/2 at 633nm
Clear Aperture	90%

Chemical Formula	CaF₂
Crystal Class	Cubic, cleaves [111] plane
Lattice Constant, Å	5.46
Density, g/cm³ (20 °C)	3.18
Molecular Weight	78.08
Reflection Loss	5.4% at 5 μm
Absorption Coefficient	7.8 x 10-4 cm-1 @ 2.7 μm
Dielectric Constant for 105 Hz	6.76
Melting Temperature, K	1630
Thermal Conductivity, W/(m K) at 273 K	10
Thermal Expansion, 1/K at 300 K	18.9 x 10^-6
Specific Heat, cal/(g K) at 273 K	0.204
Debye Temperature, K	510
Young's Modulus, GPa	75.79
Rupture Modulus, GPa	0.0365
Shear Modulus, GPa	33.76
Bulk Modulus, GPa	83.03
Poisson's Ratio	0.28
Knoop Hardness, kg/mm²	178 [100], 160 [110]

Infrared Gas Detector CaF2 Protected Window With Customized Size

Production process

Infrared Gas Detector CaF2 Protected Window With Customized Size

Product Tags:

optical window

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