84-791 25 mm Dia. Hard Coated OD 4.0 50nm Bandpass Filter; t=3.5 mm 900nm
- Type
- Filter
- Subtype
- Bandpass Filter
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 25 mm
- Cut Off Frequency
- 925 nm
- Cut On Frequency
- 875 nm
Material
- Name
- UVFS
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.4517539549334455
- λ
- 900 nm
- B1
- 0.6961663
- C1
- 0.004679148 μm2
- B2
- 0.4079426
- C2
- 0.013512063 μm2
- B3
- 0.8974794
- C3
- 97.93400254 μm2
84-791 25 mm Dia. Hard Coated OD 4.0 50nm Bandpass Filter; t=3.5 mm 900nm
The 84-791 is a 25 mm diameter Bandpass Filter, specifically designed for use in optical systems requiring a narrow passband around the 900nm wavelength. This filter features a hard coating on both the front and back surfaces, ensuring durability and resistance to scratches and environmental factors. The filter's thickness is 3.5 mm, providing excellent stability and rigidity.
The Bandpass Filter is designed with a Cut-On wavelength of 875nm and a Cut-Off wavelength of 925nm, ensuring a tight passband around the Center Wavelength (CWL) of 900nm. This makes it ideal for applications that require high spectral purity and rejection of out-of-band light. The filter is sourced from Edmund Optics, a reputable vendor known for their high-quality optical components.
The 84-791 is part of the UVFS MAL-1965 material family, which is characterized by its excellent optical properties and versatility. The filter is shaped as a Thin Lens, allowing for easy integration into various optical systems. The product's web links are valid and indicate that it is currently in stock, ensuring quick delivery and minimal lead times.