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850FAP2500 25 mm Dia. Acrylic Colour Longpass Filter 850nm

850FAP2500 25 mm Dia. Acrylic Colour Longpass Filter 850nm

Type
Filter
Subtype
Longpass Filter
Brand
Knight Optical
Product webpage
Knight Optical products in the 3DOptix catalog

Properties

Shape
Circular
Diameter
25 mm
Cut Off Frequency
2200 nm
Cut On Frequency
850 nm

Material

Name
UVFS
Dispersion Equation
Sellmeier
n (λ)
1.458448271212196
λ
588 nm
B1
0.6961663
C1
0.004679148 μm2
B2
0.4079426
C2
0.013512063 μm2
B3
0.8974794
C3
97.93400254 μm2

850FAP2500 25 mm Dia. Acrylic Colour Longpass Filter 850nm

The 850FAP2500 is a Longpass Filter with a 25 mm diameter and a thickness of 1 mm, sourced from Knight Optical. This filter is designed to transmit light with wavelengths above 850 nm while blocking shorter wavelengths. The cut-on wavelength is 850 nm, and the cut-off wavelength is 2200 nm, providing a significant range of transmission.

The filter is made of UVFS MAL-1965, a material known for its optical properties. It features a thin lens shape, which is beneficial for applications requiring minimal thickness and weight. The front and back of the filter are coated with KNI 850FAP, a coating that enhances the filter's performance and durability.

This filter is currently in stock and available for immediate purchase. For more information, you can visit the product page at https://www.knightoptical.com/stock/default/acrylic-colour-filter-25mmdia-850nm-long-pass.html.

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