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86-063 12.5 mm Dia. Hard Coated High Performance OD 4.0 Longpass Filter; t=2 mm 875nm

86-063 12.5 mm Dia. Hard Coated High Performance OD 4.0 Longpass Filter; t=2 mm 875nm

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

Properties

Shape
Circular
Diameter
12.5 mm
Cut Off Frequency
Cut On Frequency
875 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

86-063 12.5 mm Dia. High Performance Longpass Filter with 875nm Cut-On

The 86-063 is a high-performance longpass filter, boasting a 12.5 mm diameter and a thickness of 2 mm. This filter is designed and manufactured by Edmund Optics, a trusted name in the optical industry, and is available for purchase through their official website. The catalog number for this particular filter is 86-063.

This filter is designed to allow light with wavelengths greater than or equal to 875 nm to pass through while blocking shorter wavelengths. This is referred to as the cut-on wavelength, which is a critical specification for any longpass filter. The cut-off wavelength, on the other hand, is 0 nm, indicating that no light below the cut-on wavelength can pass through.

The 86-063 filter features a circular base shape and is made from UVFS Mal-1965, a material known for its optical properties. The filter is coated on both the front and back surfaces with EDM 86-063, a coating that enhances its performance and durability.

The filter's geometry includes a diameter of 12.5 mm and a thickness of 2 mm, making it suitable for a wide range of optical applications. The shape of the filter is thin lens, which is a common design for filters due to its minimal impact on the overall optical path.

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