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89-756 36 mm Dia. Mounted NUV Machine Vision Imaging Filter; t=1.75 mm 325nm

89-756 36 mm Dia. Mounted NUV Machine Vision Imaging Filter; t=1.75 mm 325nm

Type
Filter
Subtype
Bandpass Filter
Brand
Edmund Optics
Product webpage
Edmund Optics products in the 3DOptix catalog

Properties

Shape
Circular
Diameter
36 mm
Cut Off Frequency
372.5 nm
Cut On Frequency
277.5 nm

Material

Name
UVFS
Dispersion Equation
Sellmeier
n (λ)
1.481637775147018
λ
325 nm
B1
0.6961663
C1
0.004679148 μm2
B2
0.4079426
C2
0.013512063 μm2
B3
0.8974794
C3
97.93400254 μm2

89-756 36 mm Dia. Mounted NUV Machine Vision Imaging Filter; t=1.75 mm 325nm

The 89-756 is a 36 mm diameter, 1.75 mm thick bandpass filter developed by Edmund Optics for machine vision imaging applications. This filter is designed to transmit light in the near-ultraviolet (NUV) range, specifically centered around 325nm.

The filter's construction includes a UVFS MAL-1965 material ID, which is a common choice for NUV applications due to its high transmittance in this region. The filter's cut-on wavelength is 277.5nm, and the cut-off wavelength is 372.5nm, providing a relatively narrow bandwidth for precise imaging.

The 89-756 filter features a thin lens shape, which is beneficial for applications where minimal optical path deviation is required. The front and back surfaces of the filter are coated with EDM 89-753, a coating that enhances the filter's performance and durability.

This filter is currently in stock and available for purchase through the Edmund Optics website. The provided weblink leads directly to the product page for easy access and ordering.

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