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14-918 50 mm Dia. First Surface UV Bandpass Filter; t=1.5 mm 239nm

14-918 50 mm Dia. First Surface UV Bandpass Filter; t=1.5 mm 239nm

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

Properties

Shape
Circular
Diameter
50 mm
Cut Off Frequency
244 nm
Cut On Frequency
234 nm

Material

Name
UVFS
Dispersion Equation
Sellmeier
n (λ)
1.5139684093655286
λ
239 nm
B1
0.6961663
C1
0.004679148 μm2
B2
0.4079426
C2
0.013512063 μm2
B3
0.8974794
C3
97.93400254 μm2

14-918 50 mm Dia. First Surface UV Bandpass Filter; t=1.5 mm 239nm

The 14-918 is a 50 mm diameter First Surface UV Bandpass Filter, with a thickness of 1.5 mm, specifically designed for use at a central wavelength of 239nm. This filter, offered by Edmund Optics, is a Bandpass Filter, which allows light to pass through a specific range of wavelengths while blocking other wavelengths.

The filter's geometry includes a diameter of 50 mm and a thickness of 1.5 mm, making it suitable for various optical applications. The physical data of the filter includes a cut-on wavelength of 234nm and a cut-off wavelength of 244nm, with a central wavelength of 239nm. This specificity in wavelength range ensures optimal performance in UV applications.

The 14-918 filter features a coating on both the front and back surfaces, specifically the EDM 11-988 coating. This coating enhances the filter's performance and durability, ensuring reliable operation in its intended application.

The filter's shape is described as a Thin Lens, which is a lens with a very small focal length compared to its diameter. This shape allows for efficient light transmission and focusing, making it ideal for various optical systems.

For more information, including pricing and availability, please refer to the provided weblink, which is currently valid and indicates the filter is in stock.

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