1460DIB25 25 mm Dia. Standard Interference Bandpass Filter 1460nm
- Type
- Filter
- Subtype
- Bandpass Filter
- Brand
- Knight Optical
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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