656.4-0.1 OD4

Ultra-narrow bandpass optical interference filter is a multi-cavity filter with moderately steep edges and a flat top. 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.

SKU: 9847 分类: ,

描述

Angle of Incidence  0 Degrees
Center Wavelength  656.4 nm ± 0.05 nm
FWHM  < 0.1 nm
† Transmission Band(s)  656.4 nm > 50% T Absolute
Blocking Level  OD4
* Blocking Range(s)  OD4: 380 to 643.2 nm, 669.6 to 1000 nm
Dimensions 12.5 mm Diameter
Filter Thickness 2.15 mm
Substrate Type  Polished N-BK7
Assembly Type Unmounted

*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.

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