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Calcium fluoride CaF2 crystal substrate

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CaF2 substrate

Calcium fluoride CaF2 crystal substrate

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  • item no :

    CaF2

  • moq :

    1

  • lead date :

    In Stock

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Calcium fluoride CaF2 crystal substrate

The calcium fluoride(CaF2) crystal has a high transmittance in the range of 0.13~11.3 um, can reach 95%, with low stress birefringence (no obvious intrinsic birefringence in above 200nm), high refractive index uniformity, mechanical properties are stable, not deliquent, strong resistance to radiation damage etc. CaF2 crystal is an ideal material for making optical components such as optical windows, prisms and lenses.


The main performance parameters

Crystal structure:

Cubic

Density:

3.18 (g/cm3)

Melting point:

1360℃

Refractive index:

1.39908 at 5mm

Solubility:

0.0017g/100g (20℃ / water)

Transmission Band:

0.13~11.3mm

Kirschner Hardness:

158.3 (100)

Elastic Coefficient:

C11=164, C12=53, C44=33.7

Visual Elasticity Limit:

36.54MPa

Thermal Conductivity:

9.71 W/K.m

Coefficient of Thermal expansion:

18.85 x 10-6 / ℃

Cleavage Plane

<111>

Packing:

Class-100 clean bags, in class-1000 clean room

 

Standard Specification
Product Name Orientation Standard Size Thickness Polishing  
CaF2 single crystal substrate <100> ±0.5°
<110> ±0.5°
<111> ±0.5°
Or other off-angle 		10x10mm
10x5mm
5x5mm
20x20mm
φ25.4 x 0.5mm
φ50.8 x 0.5mm
φ50.8 x 1.0mm
Or others 		0.1mm
0.5mm
1.0mm
2.0mm
Or others 		Fine ground
Single side polished
Double side polished

Roughness: Ra<5A(0.5nm) 		Inquiry Online


CaF2 substrate

tags : CaF2 substrate CaF2 crystal Calcium fluoride crystal
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