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CaF2 Window

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CaF2 Window
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Material:
CalciumFluoride
Diameter Tolerance:
+0.0,-0.1mm
Clear Aperture:
>80%
Surface Quality:
80/50
Bevel:
<0.25mm X 45°
Coating:
Uncoated
Thickness Tolerance:
±0.2mm
Parallelism:
1arcminute
Wavefront Distortion:
l/2per25mm@632.8nm
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Moq: 1 Unit

Country Of Origin: China

Lead Time: 4weeks

Terms Of Delivery: Fob Fuzhou

Terms Of Payment: Net 30 Days By T/t


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CaF2 Window

CaF2 Window is made from Calcium Fluoride material, which has transparent range from 170-7800nm. The refractive index is 1.399 at 5000nm. It has little hygroscopic susceptibility and high thermal expansion coefficient. CaF2 Windows are relatively soft and somewhat hygroscopic so polishing, coating and handling are more critical than UV Fused Silica windows. In addition, The quality of a UV window can be extremely critical, it should be of high purity and polish in order not to affect the optical system. Calcium Fluoride Windows are also applicable for a wide range of spectrum. It is particularly useful for wavelength at 2980nm laser application. Subtitle Description

MAIN TITLE
Do you produce standard products or customized?

Mostly customized, we can produce your elements according to your drawing with detailed specifications.

What is your high precision?

Surface quality 10-5, Flatness L/10, centration 30 arc sec, parallelism 1arc sec, angle tolerance 3arc sec.

What is your MOQ?

Generally no MOQ, from prototype to volume quantity, we support both.

What is the delivery time for CRYLIGHT?

Generally 4 weeks, for urgent parts we will help expedite. For complex products, we will confirm accordingly.

What payment methods do you accept?

We accept T/T bank transfer and credit card payment.

100% prepayment for new client and net 30 days for old customers.

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Product Features

 

The CaF2 Window is made from Calcium Fluoride material, which has transparent range from 170-7800nm. The refractive index is 1.399 at 5000nm. It has little hygroscopic susceptibility and high thermal expansion coefficient. CaF2 Windows are relatively soft and somewhat hygroscopic so polishing, coating and handling are more critical than UV Fused Silica windows. In addition, The quality of a UV window can be extremely critical, it should be of high purity and polish in order not to affect the optical system. Calcium Fluoride Windows are also applicable for a wide range of spectrum. It is particularly useful for wavelength at 2980nm laser application. 

01

1.Useful transmission over the spectral range from 0.2 to 8.0 microns..
2.Because of its composition CaF2 window has a much longer useful life than most other materials when use in a fluorine environment.

02

3.Low solubility
4.We have two grades of material of CaF2 window. One is for UV application, the other is for IR application. A wide transmission range and low solubility makes it useful for many application, including:
> Mirror substrate for UV laser systems

Part No.F (mm)T (mm)
WIN3-101100.5
WIN3-10212.72
WIN3-10312.73
WIN3-20125.43
WIN3-20225.44
WIN3-301385
WIN3-501503
WIN3-502504
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