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39-343 25 mm Dia. Hard Coated OD 4.0 5nm Bandpass Filter; t=3.5 mm 343nm

39-343 25 mm Dia. Hard Coated OD 4.0 5nm Bandpass Filter; t=3.5 mm 343nm

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
345.5 nm
Cut On Frequency
340.5 nm

Material

Name
UVFS
Dispersion Equation
Sellmeier
n (λ)
1.478105537857358
λ
343 nm
B1
0.6961663
C1
0.004679148 μm2
B2
0.4079426
C2
0.013512063 μm2
B3
0.8974794
C3
97.93400254 μm2

39-343 25 mm Dia. Hard Coated OD 4.0 5nm Bandpass Filter; t=3.5 mm 343nm

The 39-343 is a Bandpass Filter with a 25 mm diameter and a thickness of 3.5 mm, designed for use with a center wavelength of 343 nm. This filter is sourced from Edmund Optics, a leading vendor in the optical industry, and is part of their extensive catalog of optical elements.

The filter is made from UVFS Mal-1965 material, a common choice for applications that require high transmission and excellent blocking characteristics. The front and back of the filter are coated with EDM 39-328, a coating that enhances the filter's performance and durability.

The 39-343 filter is designed with a cut-on wavelength of 340.5 nm and a cut-off wavelength of 345.5 nm, providing a narrow bandwidth of 5 nm. This makes it ideal for applications that require precise wavelength selection, such as fluorescence microscopy, spectroscopy, and laser applications.

The filter's thin lens shape allows for easy integration into optical systems, while its hard coating provides additional protection against scratches and other forms of damage. The filter is currently in stock and available for purchase through the Edmund Optics website, as indicated by its valid weblink status.

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