990DIB12 12.5 mm Dia. Standard Interference Bandpass Filter 990nm
- Type
- Filter
- Subtype
- Bandpass Filter
- Brand
- Knight Optical
Properties
- Shape
- Circular
- Diameter
- 12.5 mm
- Cut Off Frequency
- 995 nm
- Cut On Frequency
- 985 nm
Material
- Name
- UVFS
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.4505442352863196
- λ
- 990 nm
- B1
- 0.6961663
- C1
- 0.004679148 μm2
- B2
- 0.4079426
- C2
- 0.013512063 μm2
- B3
- 0.8974794
- C3
- 97.93400254 μm2
990DIB12 12.5 mm Dia. Standard Interference Bandpass Filter 990nm
The 990DIB12 is a 12.5 mm diameter Standard Interference Bandpass Filter, specifically designed to operate at a central wavelength of 990nm. 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 985nm, and the cut-off wavelength is 995nm, ensuring a tight bandpass around the central wavelength.
The 990DIB12 is made from UVFS Mal- 1965, a material with excellent optical properties. It has a Thin Lens shape, which is beneficial for applications where minimal thickness is required. The filter's geometry includes a diameter of 12.5mm and a thickness of 6.1mm, making it suitable for various optical setups.
The filter's coating is KNI 990DIB on both the front and back surfaces, enhancing its performance and durability. This filter is currently in stock and available for immediate use. For more information, you can visit the vendor's website through the provided weblink.
