850DIB12 12.5 mm Dia. Standard Interference Bandpass Filter 850nm
- Type
- Filter
- Subtype
- Bandpass Filter
- Brand
- Knight Optical
Properties
- Shape
- Circular
- Diameter
- 12.5 mm
- Cut Off Frequency
- 855 nm
- Cut On Frequency
- 845 nm
Material
- Name
- UVFS
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.4524982859534705
- λ
- 850 nm
- B1
- 0.6961663
- C1
- 0.004679148 μm2
- B2
- 0.4079426
- C2
- 0.013512063 μm2
- B3
- 0.8974794
- C3
- 97.93400254 μm2
850DIB12 12.5 mm Dia. Standard Interference Bandpass Filter 850nm
The 850DIB12 is a 12.5 mm diameter Standard Interference Bandpass Filter, specifically designed to operate at a central wavelength of 850nm. This filter is sourced from Knight Optical, a reputable vendor known for their high-quality optical components.
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 845nm, and the cut-off wavelength is 855nm, ensuring a tight bandpass around the central wavelength of 850nm.
The 850DIB12 is made from UVFS Mal- 1965, a material specifically chosen for its optical properties. The filter has a thickness of 6.1mm, and its circular shape allows for easy integration into various optical systems.
The front and back of the filter are coated with KNI 850DIB, a proprietary coating developed by Knight Optical. This coating enhances the filter's performance and durability, ensuring reliable operation in demanding environments.
The filter's geometry is that of a Thin Lens, which can be beneficial in certain optical system configurations. This filter is currently in stock and available for immediate purchase through the vendor's website.