Interference Filter

An Interference Filter reflects one or more spectral bands or lines and transmits others, while maintaining a nearly zero coefficient of absorption for all wavelengths of interest.

Product Description

An Interference Filter reflects one or more spectral bands or lines and transmits others, while maintaining a nearly zero coefficient of absorption for all wavelengths of interest. It consists of multiple thin layers of dielectric material having different refractive indices. There also may be metallic layers.



Specification:

MaterialFused Silica
Diameter Tolerance+0.0,-0.2 mm
Ring Diameter (φ)25.4±0.2 mm
Ring Thickness (T)6 mm
Surface Quality60-40 scratch and dig
FWHM10 nm
Clear Aperture>φ20 mm
Wavelength Tolerance±2nm
Mounting MaterialBlack anodized aluminum

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

Contact Us
Request a Quote
tracy-tcoptics sales@tcoptics.com 914440805