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87-859 12.5 mm Dia. Hard Coated OD 4.0 50nm Bandpass Filter; t=3.5 mm 1600nm

87-859 12.5 mm Dia. Hard Coated OD 4.0 50nm Bandpass Filter; t=3.5 mm 1600nm

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
1625 nm
Cut On Frequency
1575 nm

Material

Name
UVFS
Dispersion Equation
Sellmeier
n (λ)
1.4434190019401774
λ
1600 nm
B1
0.6961663
C1
0.004679148 μm2
B2
0.4079426
C2
0.013512063 μm2
B3
0.8974794
C3
97.93400254 μm2

87-859 12.5 mm Dia. Hard Coated OD 4.0 50nm Bandpass Filter; t=3.5 mm 1600nm

The 87-859 is a Bandpass Filter, specifically designed by Edmund Optics with a diameter of 12.5 mm and a thickness of 3.5 mm. This filter is made from UVFS Mal-1965 material, ensuring high-quality performance. The filter's primary function is to allow light within a specific range of wavelengths to pass through while blocking out other wavelengths.

The 87-859 Bandpass Filter has a cut-on wavelength of 1575 nm and a cut-off wavelength of 1625 nm, with a central wavelength (CWL) of 1600 nm. This means it is designed to pass light most efficiently at the 1600 nm wavelength. The terms 'cut-on' and 'cut-off' refer to the wavelengths at which the filter begins and stops transmitting light, respectively.

The filter is hard coated on both the front and back sides with the EDm 87-859 coating. This coating enhances the filter's durability and performance. The filter's shape is that of a thin lens, which is often used in optical systems to reduce weight and thickness.

The 87-859 Bandpass Filter is currently in stock and available for purchase through the Edmund Optics website. The item's catalog number is 87-859, and it can be found at the following link: https://www.edmundoptics.com/p/1600nm-cwl-125mm-dia-hard-coated-od-4-50nm-bandpass-filter/30150/.

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