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85-906 50 mm Dia. Hard Coated OD 4.0 50nm Bandpass Filter; t=3.5 mm 1100nm

85-906 50 mm Dia. Hard Coated OD 4.0 50nm Bandpass Filter; t=3.5 mm 1100nm

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

Properties

Shape
Circular
Diameter
50 mm
Cut Off Frequency
1125 nm
Cut On Frequency
1075 nm

Material

Name
UVFS
Dispersion Equation
Sellmeier
n (λ)
1.4492036096592873
λ
1100 nm
B1
0.6961663
C1
0.004679148 μm2
B2
0.4079426
C2
0.013512063 μm2
B3
0.8974794
C3
97.93400254 μm2

85-906 50 mm Dia. Hard Coated OD 4.0 50nm Bandpass Filter; t=3.5 mm 1100nm

The 85-906 is a Bandpass Filter, specifically designed for applications requiring a narrow passband. Sourced from Edmund Optics, this filter features a circular shape with a diameter of 50 mm and a thickness of 3.5 mm. The filter's primary function is to transmit light within a specific range of wavelengths while blocking other wavelengths, making it ideal for applications requiring precise wavelength selection.

The 85-906 filter has a cut-on wavelength of 1075 nm and a cut-off wavelength of 1125 nm, with a center wavelength (CWL) of 1100 nm. This specificity in wavelength range ensures minimal signal interference and high-fidelity data transmission. The filter is made from UVFS Mal-1965 material, a common choice for its excellent optical properties and durability.

The filter's front and back are coated with EDM 85-882, a hard coating that enhances the filter's longevity and resistance to wear and tear. This coating also reduces surface reflections, improving the filter's overall efficiency and performance. The filter's shape is a Thin Lens, further optimizing its light transmission capabilities.

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