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87-854 12.5 mm Dia. Hard Coated OD 4.0 50nm Bandpass Filter; t=3.5 mm 1375nm

87-854 12.5 mm Dia. Hard Coated OD 4.0 50nm Bandpass Filter; t=3.5 mm 1375nm

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

Properties

Shape
Circular
Diameter
12.5 mm
Cut Off Frequency
1400 nm
Cut On Frequency
1350 nm

Material

Name
UVFS
Dispersion Equation
Sellmeier
n (λ)
1.4460655752129588
λ
1375 nm
B1
0.6961663
C1
0.004679148 μm2
B2
0.4079426
C2
0.013512063 μm2
B3
0.8974794
C3
97.93400254 μm2

87-854 12.5 mm Dia. Hard Coated OD 4.0 50nm Bandpass Filter; t=3.5 mm 1375nm

The 87-854 is a Bandpass Filter, specifically designed with a diameter of 12.5 mm and a thickness of 3.5 mm. This filter is sourced from the reputable vendor, Edmund Optics, and is available for purchase on their website. The catalog number for this item is 87-854, and it can be found with a simple web search.

This Bandpass Filter is hard coated, which enhances its durability and longevity. The filter is designed to pass light within a specific range of wavelengths, which in this case is 1375nm. The cut-on wavelength is 1350nm, and the cut-off wavelength is 1400nm, providing a 50nm bandpass.

The coating on both the front and back of the filter is EDM 87-854, which is a specialized coating designed to optimize the filter's performance. The filter is shaped as a thin lens, which is a common design for optical elements due to its simplicity and effectiveness.

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