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39-348 25 mm Dia. Hard Coated OD 4.0 5nm Bandpass Filter; t=3.5 mm 405nm

39-348 25 mm Dia. Hard Coated OD 4.0 5nm Bandpass Filter; t=3.5 mm 405nm

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
407.5 nm
Cut On Frequency
402.5 nm

Material

Name
UVFS
Dispersion Equation
Sellmeier
n (λ)
1.4695810205525413
λ
405 nm
B1
0.6961663
C1
0.004679148 μm2
B2
0.4079426
C2
0.013512063 μm2
B3
0.8974794
C3
97.93400254 μm2

39-348 25 mm Dia. Hard Coated OD 4.0 5nm Bandpass Filter; t=3.5 mm 405nm

The 39-348 is a 25 mm diameter Bandpass Filter, specifically designed for use with a central wavelength (CWL) of 405nm. This filter is sourced from the reputable vendor, Edmund Optics, and is available for purchase directly from their website. The filter features a hard coating on both the front and back surfaces, ensuring durability and longevity.

The filter's geometry is defined by a diameter of 25mm and a thickness of 3.5mm. This robust construction allows for efficient integration into various optical systems. The physical data of the filter includes a cut-on wavelength of 402.5nm and a cut-off wavelength of 407.5nm, with the CWL falling neatly within this range.

The coating on the filter is a broadband AR coating, specifically the EDM 39-330. This coating is applied to both the front and back surfaces, ensuring minimal reflection and maximizing transmission. The filter's shape is that of a thin lens, further enhancing its versatility and utility in optical systems.

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