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Interference Filter

 

Commercial filters are available with a half-power width of about an angstrom. If the back layer is totally reflective, then the arrangement is called a dichroic mirror, reflecting only the selected wavelength. These devices are designed for normal incidence, and shift in wavelength to shorter wavelengths if tilted. The interference filter is widely used in selcective interference, laser systems and imaging optical systems.



Specifications:

Substrate

Fused Silica

Diameter Tolerance

+0/-0.2mm

Ring Diameter ()

25.40.2mm

Ring Thickness (T)

6mm

Surface Quality

60-40 S/D

FWHM

10nm

Clear Apture

>20mm

Wavelength Tolerance

2nm

Mounting

Black anodized aluminum


Interference Filter Standard Products:

Part No.

Wavelength(mm)

Peak Transmission

Diameter (mm)

FIF0201

532

>60%

25.4

FIF0202

632.8

>60%

25.4

FIF0203

850

>60%

25.4

Note: Blocking is OD2~OD5. (Its upon the customers real central wavelength and working wavelength range request.)

Central wavelength from 200nm to 1000nm are available upon your request. FWHM 15nm, 20nm and 30nm are also available upon your request.

TEMTO is an OEM manufacturer, and we don have much standard products in stock. So please contact us for your custom optics.We will do strictly according to your requirements.

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