850FAP2500 25 mm Dia. Acrylic Colour Longpass Filter 850nm
- Type
- Filter
- Subtype
- Longpass Filter
- Brand
- Knight Optical
Properties
- Shape
- Circular
- Diameter
- 25 mm
- Cut Off Frequency
- 2200 nm
- Cut On Frequency
- 850 nm
Material
- Name
- UVFS
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.458448271212196
- λ
- 588 nm
- B1
- 0.6961663
- C1
- 0.004679148 μm2
- B2
- 0.4079426
- C2
- 0.013512063 μm2
- B3
- 0.8974794
- C3
- 97.93400254 μm2
850FAP2500 25 mm Dia. Acrylic Colour Longpass Filter 850nm
The 850FAP2500 is a Longpass Filter with a 25 mm diameter and a thickness of 1 mm, sourced from Knight Optical. This filter is designed to transmit light with wavelengths above 850 nm while blocking shorter wavelengths. The cut-on wavelength is 850 nm, and the cut-off wavelength is 2200 nm, providing a significant range of transmission.
The filter is made of UVFS MAL-1965, a material known for its optical properties. It features a thin lens shape, which is beneficial for applications requiring minimal thickness and weight. The front and back of the filter are coated with KNI 850FAP, a coating that enhances the filter's performance and durability.
This filter is currently in stock and available for immediate purchase. For more information, you can visit the product page at https://www.knightoptical.com/stock/default/acrylic-colour-filter-25mmdia-850nm-long-pass.html.