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1460DIB25 25 mm Dia. Standard Interference Bandpass Filter 1460nm

1460DIB25 25 mm Dia. Standard Interference Bandpass Filter 1460nm

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
1467 nm
Cut On Frequency
1453 nm

Material

Name
UVFS
Dispersion Equation
Sellmeier
n (λ)
1.4450861469767469
λ
1460 nm
B1
0.6961663
C1
0.004679148 μm2
B2
0.4079426
C2
0.013512063 μm2
B3
0.8974794
C3
97.93400254 μm2

1460DIB25 25 mm Dia. Standard Interference Bandpass Filter 1460nm

The 1460DIB25 is a 25 mm diameter Standard Interference Bandpass Filter, specifically designed to operate at a central wavelength of 1460nm. This filter is sourced from Knight Optical, a reputable vendor known for their high-quality optical components.

The filter is of the Bandpass type, which means it allows transmission of light within a specific range of wavelengths while blocking light outside this range. The cut-on wavelength is 1453nm, and the cut-off wavelength is 1467nm, providing a narrow bandwidth for optimal performance. The center wavelength (CWL) of the filter is 1460nm, ensuring precise operation within the desired spectral region.

The filter is made from UVFS Mal- 1965, a material known for its excellent optical properties. It features a Thin Lens shape, which is beneficial for applications where space is a constraint. The filter has a diameter of 25mm and a thickness of 6.1mm, providing sufficient structural integrity while maintaining a compact form factor.

The front and back surfaces of the filter are coated with KNI 1460DIB, a proprietary coating developed by Knight Optical. This coating enhances the filter's performance by reducing reflection and increasing transmission, thereby improving the overall signal-to-noise ratio.

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