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67-784 12.5 mm Dia. Mounted Traditional Coated Bandpass Interference Filter; t=5.9mm 840nm

67-784 12.5 mm Dia. Mounted Traditional Coated Bandpass Interference Filter; t=5.9mm 840nm

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
845 nm
Cut On Frequency
835 nm

Material

Name
UVFS
Dispersion Equation
Sellmeier
n (λ)
1.4526553935685995
λ
840 nm
B1
0.6961663
C1
0.004679148 μm2
B2
0.4079426
C2
0.013512063 μm2
B3
0.8974794
C3
97.93400254 μm2

67-784 12.5 mm Dia. Mounted Traditional Coated Bandpass Interference Filter; t=5.9mm 840nm

The 67-784 is a mounted traditional coated bandpass interference filter, designed and manufactured by Edmund Optics. This filter features a circular shape with a 12.5 mm diameter and a thickness of 5.9 mm, making it suitable for a wide range of optical applications.

The filter is designed to operate at a central wavelength (CWL) of 840 nm, with a full width at half maximum (FWHM) of 10 nm. The cut-on wavelength is 835 nm, and the cut-off wavelength is 845 nm, providing a narrow bandwidth for precise optical filtering.

The 67-784 filter is coated with a proprietary coating on both the front and back surfaces, identified as 'edm 67-784'. This coating enhances the filter's performance and durability, ensuring reliable operation in various environments.

The filter's geometry is shaped as a thin lens, which can be beneficial in certain optical system designs. The catalog number for this filter is 67-784, and it is currently in stock, according to the vendor's website.

For more information and purchasing options, users can visit the following link: https://www.edmundoptics.com/p/840nm-cwl-10nm-fwhm-125mm-mounted-diameter/22451/

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