67-837 25 mm Dia. Mounted Traditional Coated Bandpass Interference Filter; t=5.9 mm 680nm
- Type
- Filter
- Subtype
- Bandpass Filter
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 25 mm
- Cut Off Frequency
- 685 nm
- Cut On Frequency
- 675 nm
Material
- Name
- UVFS
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.4557635703408012
- λ
- 680 nm
- B1
- 0.6961663
- C1
- 0.004679148 μm2
- B2
- 0.4079426
- C2
- 0.013512063 μm2
- B3
- 0.8974794
- C3
- 97.93400254 μm2
67-837 25 mm Dia. Mounted Traditional Coated Bandpass Interference Filter; t=5.9 mm 680nm
The 67-837 is a 25 mm diameter mounted bandpass interference filter, specifically designed with a central wavelength of 680nm and a full width at half maximum (FWHM) of 10nm. This filter is sourced from Edmund Optics, a reputable vendor known for their high-quality optical components. The filter is currently in stock and available for purchase through the provided weblink.
The filter is made of UVFS Mal-1965 material and has a thickness of 5.9 mm. It features a thin lens shape, providing excellent optical performance. The cut-on wavelength is 675nm, while the cut-off wavelength is 685nm, ensuring a narrow and precise bandpass.
The front and back surfaces of the filter are coated with EDM 67-770, a proprietary coating developed by Edmund Optics. This coating enhances the filter's performance, providing improved durability and resistance to environmental factors.
For users seeking a high-quality bandpass interference filter with a central wavelength of 680nm, the 67-837 is an excellent choice. Its robust construction, precise specifications, and reliable performance make it a valuable addition to any optical system.
