84-790 25 mm Dia. Hard Coated OD 4.0 50nm Bandpass Filter; t=3.5 mm 850nm
- Type
- Filter
- Subtype
- Bandpass Filter
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 25 mm
- Cut Off Frequency
- 875 nm
- Cut On Frequency
- 825 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
84-790 25 mm Dia. Hard Coated OD 4.0 50nm Bandpass Filter; t=3.5 mm 850nm
The 84-790 is a Bandpass Filter, specifically designed for use in optical systems requiring a narrow bandwidth transmission. This filter, sourced from Edmund Optics, boasts a center wavelength of 850nm, making it ideal for applications that demand precise wavelength selection.
The filter features a circular shape with a diameter of 25mm, ensuring a wide field of view and ease of integration into various optical setups. It has a thickness of 3.5mm, providing robustness and stability. The 84-790 is coated with EDM 84-778 on both the front and back surfaces, enhancing its durability and performance.
The 84-790's physical data includes a cut-on wavelength of 825nm and a cut-off wavelength of 875nm, ensuring a narrow bandwidth transmission. This makes it suitable for applications that require high spectral purity and rejection of out-of-band light.
The filter is designed with a Thin Lens shape, allowing for efficient light transmission and minimal optical aberrations. It is available for purchase directly from Edmund Optics, and the provided weblink indicates that it is currently in stock.