769.89-1 OD7 Ultra Narrow Bandpass

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769.89-1 OD7 Ultra Narrow Bandpass

Description

Details
Ultra-narrowband optical interference filter with a 769.89 nm center wavelength (CWL), a 1 nm full-width at half-maximum (FWHM), and wide-range out-of-band 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 85% at 769.89 nm. This ultra-narrowband filter is coated on a 2 mm thick polished Borofloat® substrate and mounted in a 50.8 mm (+0/-0.8 mm) diameter, 3.5 mm (± 0.1 mm) thick anodized aluminum ring. Alluxa ultra-narrow bandpass filters have the highest transmission and narrowest bandwidths currently available. And because they are hard-coated using our innovative SIRRUS™ plasma deposition process, all Alluxa optical filters are highly durable and resistant to laser damage. Contact us for custom sizing options.

Specifications

Item Number 7269
Angle of Incidence 0 Degrees
Center Wavelength 769.89 nm Nominal
FWHM < 1.2 nm
Transmission Band(s) 769.89 nm > 85% T Absolute
Blocking Level OD7
Blocking Range(s)* OD7 (By Design): 200 to 753 nm, 787 to 1000 nm; OD6: 1000 to 1200 nm
Filter Design Multi-Cavity
Substrate Type Polished Borofloat®
Dimensions 50.4 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

$2,867.00
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