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740DIB25 25 mm Dia. Standard Interference Bandpass Filter 740nm

740DIB25 25 mm Dia. Standard Interference Bandpass Filter 740nm

Type
Filter
Subtype
Bandpass Filter
Brand
Knight Optical
Product webpage
Knight Optical products in the 3DOptix catalog

Properties

Shape
Circular
Diameter
25 mm
Cut Off Frequency
745 nm
Cut On Frequency
735 nm

Material

Name
UVFS
Dispersion Equation
Sellmeier
n (λ)
1.454435618650584
λ
740 nm
B1
0.6961663
C1
0.004679148 μm2
B2
0.4079426
C2
0.013512063 μm2
B3
0.8974794
C3
97.93400254 μm2

740DIB25 25 mm Dia. Standard Interference Bandpass Filter 740nm

The 740DIB25 is a 25 mm diameter Standard Interference Bandpass Filter, specifically designed to center at 740nm. This filter is sourced from Knight Optical, a renowned vendor known for their high-quality optical elements.

The filter is a Bandpass type, which means it allows transmission of light within a specific range of wavelengths while blocking other wavelengths. In this case, the cut-on wavelength is 735nm, and the cut-off wavelength is 745nm, making it highly effective in isolating the 740nm wavelength.

The filter is made from UVFS Mal-1965, a material known for its optical properties and durability. It has a circular base shape, a common standard in optical filters due to its ease of integration into various systems.

The physical data of the filter includes a thickness of 6.1mm, which is crucial for determining the filter's placement and alignment in an optical system. The coating on both the front and back surfaces of the filter is KNI 740DIB, a proprietary coating developed by Knight Optical for enhanced performance.

The filter's shape is classified as a Thin Lens, indicating its potential use in lens systems where minimal thickness is required. The filter is currently in stock and available for immediate purchase through the vendor's website.

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