89-761 57 mm Dia. Mounted NUV Machine Vision Imaging Filter; t=1.75 mm 325nm
- Type
- Filter
- Subtype
- Bandpass Filter
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 57 mm
- Cut Off Frequency
- 372.5 nm
- Cut On Frequency
- 277.5 nm
Material
- Name
- UVFS
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.481637775147018
- λ
- 325 nm
- B1
- 0.6961663
- C1
- 0.004679148 μm2
- B2
- 0.4079426
- C2
- 0.013512063 μm2
- B3
- 0.8974794
- C3
- 97.93400254 μm2
89-761 57 mm Dia. Mounted NUV Machine Vision Imaging Filter; t=1.75 mm 325nm
The 89-761 is a mounted NUV (Near Ultraviolet) Machine Vision Imaging Filter, specifically designed for applications requiring a bandpass filter with a center wavelength of 325nm. This filter is sourced from Edmund Optics, a leading vendor in the optical industry, and is available for purchase through their website.
The filter is circular in shape with a diameter of 57mm and a thickness of 1.75mm, making it suitable for a wide range of imaging systems. The base shape is thin lens, which is ideal for applications where minimal optical path deviation is required.
The 89-761 features a cut-on wavelength of 277.5nm and a cut-off wavelength of 372.5nm, providing a narrow bandpass for precise imaging. The center wavelength of 325nm is specifically chosen for NUV applications, ensuring optimal performance in this spectral range.
The filter is coated with EDM 89-753 on both the front and back surfaces, providing excellent transmission characteristics and durability. This coating ensures high-quality imaging and long-term reliability, making the 89-761 an excellent choice for demanding machine vision applications.