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85-914 50 mm Dia. Hard Coated OD 4.0 50nm Bandpass Filter; t=3.5 mm 1500nm

85-914 50 mm Dia. Hard Coated OD 4.0 50nm Bandpass Filter; t=3.5 mm 1500nm

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
1525 nm
Cut On Frequency
1475 nm

Material

Name
UVFS
Dispersion Equation
Sellmeier
n (λ)
1.4446176596172497
λ
1500 nm
B1
0.6961663
C1
0.004679148 μm2
B2
0.4079426
C2
0.013512063 μm2
B3
0.8974794
C3
97.93400254 μm2

85-914 50 mm Dia. Hard Coated OD 4.0 50nm Bandpass Filter; t=3.5 mm 1500nm

The 85-914 is a Bandpass Filter, specifically designed by Edmund Optics with a 50 mm diameter and a 3.5 mm thickness. This filter is hard coated with a center wavelength of 1500nm, making it ideal for applications that require precise wavelength selection.

The filter's physical data includes a cut-on wavelength of 1475nm and a cut-off wavelength of 1525nm, ensuring a narrow bandwidth for optimal performance. The front and back of the filter are coated with EDM 85-890, a coating that enhances the filter's durability and performance.

The 85-914 is shaped as a Thin Lens, which is beneficial for applications that require minimal optical path length distortion. The filter is currently in stock and available for purchase through the Edmund Optics website.

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