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65-674 25 mm Dia. Mounted Traditional Coated Bandpass Interference Filter; t=7.5 mm 340nm

65-674 25 mm Dia. Mounted Traditional Coated Bandpass Interference Filter; t=7.5 mm 340nm

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
345 nm
Cut On Frequency
335 nm

Material

Name
UVFS
Dispersion Equation
Sellmeier
n (λ)
1.4786513608103746
λ
340 nm
B1
0.6961663
C1
0.004679148 μm2
B2
0.4079426
C2
0.013512063 μm2
B3
0.8974794
C3
97.93400254 μm2

65-674 25 mm Dia. Mounted Traditional Coated Bandpass Interference Filter; t=7.5 mm 340nm

The 65-674 is a 25 mm diameter mounted traditional coated bandpass interference filter, with a thickness of 7.5 mm, specifically designed for use at a central wavelength of 340nm. This filter is sourced from the reputable optical vendor, Edmund Optics, and is currently in stock with a valid web link provided for easy accessibility and purchase.

The filter is a bandpass type, which means it allows transmission of light within a specific range of wavelengths while blocking other wavelengths. This particular model has a cut-on wavelength of 335nm and a cut-off wavelength of 345nm, making it ideal for applications that require narrow-band light transmission around the 340nm range.

The filter is made from UVFS Mal-1965 material, a common choice for optical filters due to its excellent optical properties. It features a thin lens shape, which is beneficial for applications where space is a constraint. The front and back of the filter are coated with EDM 65-614, a proprietary coating from Edmund Optics that enhances the filter's performance and durability.

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