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87-865 25 mm Dia. Hard Coated OD 4.0 50nm Bandpass Filter; t=3.5 mm 1275nm

87-865 25 mm Dia. Hard Coated OD 4.0 50nm Bandpass Filter; t=3.5 mm 1275nm

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

Properties

Shape
Circular
Diameter
25 mm
Cut Off Frequency
1300 nm
Cut On Frequency
1250 nm

Material

Name
UVFS
Dispersion Equation
Sellmeier
n (λ)
1.4472003400571432
λ
1275 nm
B1
0.6961663
C1
0.004679148 μm2
B2
0.4079426
C2
0.013512063 μm2
B3
0.8974794
C3
97.93400254 μm2

87-865 25 mm Dia. Hard Coated OD 4.0 50nm Bandpass Filter; t=3.5 mm 1275nm

The 87-865 is a Bandpass Filter, specifically designed for use in optical systems requiring a narrow passband. Sourced from Edmund Optics, this filter features a circular shape with a 25 mm diameter and a thickness of 3.5 mm, making it compatible with a wide range of optical setups.

The filter is made from UVFS Mal-1965, a material known for its excellent optical properties. It is designed to pass light in the 1275 nm range, with a Cut-On wavelength of 1250 nm and a Cut-Off wavelength of 1300 nm. This precise wavelength control makes it ideal for applications that require narrowband filtering.

The 87-865 is hard coated on both the front and back surfaces with EDM 87-852, a coating that enhances the filter's durability and performance. This coating helps to protect the filter from environmental hazards and ensures consistent optical performance over time.

The filter's Thin Lens shape allows it to be easily integrated into various optical systems. It is currently in stock and available for immediate use. For more information, please refer to the provided weblink.

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