317.0-0.7 OD5 Ultra Narrow Bandpass Filter

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317.0-0.7 OD5 Ultra Narrow Bandpass Filter

Description

Details
Ultra-narrowband optical interference filter with a 317.0 nm center wavelength (CWL), 0.8 nm full-width at half-maximum (FWHM), and wide-range out-of-band OD5 blocking from 200 nm to 1200 nm. This is a multi-cavity filter with steep edges, a flat top, and transmission that is greater than 50% at 317 nm. This ultra-narrow filter is coated on a 1.98 mm thick fused silica substrate and mounted in a 25 mm (+0/-0.1 mm) diameter, 3.5 mm (± 0.1 mm) thick anodized aluminum ring. All Alluxa optical filters are hard-coated using our innovative SIRRUS™ plasma deposition process. As a result, they are all highly durable and resistant to laser damage. Our deposition process also allows us to manufacture ultra-narrow bandpass filters with the narrowest bandwidths and highest transmission currently available. Contact us for custom sizing options.

Specifications

Item Number 7683
Angle of Incidence 0 Degrees
Center Wavelength 317.0 nm Nominal
FWHM < 0.8 nm
Transmission Band(s) 317.0 nm > 50% T Absolute
Blocking Level OD5
Blocking Range(s)* OD5: 200 to 310 nm, 324 to 1200 nm
Filter Design Multi-Cavity
Substrate Type Fused Silica
Dimensions 25.0 mm Diameter
Filter Thickness 2.0 mm
Assembly Type Anodized Aluminum Ring
Assembly Thickness 3.5 mm
*Auxiliary blocking typical based on the displayed spectrum.
†For filters with less than 1nm bandwidth, measurement limitations may result in slight transmission variation. Please contact us for more information.

Availability: In stock

$1,163.00
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