65-691 25 mm Dia. Mounted Traditional Coated Bandpass Interference Filter; t=7.5 mm 486nm
- Type
- Filter
- Subtype
- Bandpass Filter
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 25 mm
- Cut Off Frequency
- 491 nm
- Cut On Frequency
- 481 nm
Material
- Name
- UVFS
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.46313446554536
- λ
- 486 nm
- B1
- 0.6961663
- C1
- 0.004679148 μm2
- B2
- 0.4079426
- C2
- 0.013512063 μm2
- B3
- 0.8974794
- C3
- 97.93400254 μm2
65-691 25 mm Dia. Mounted Traditional Coated Bandpass Interference Filter; t=7.5 mm 486nm
The 65-691 is a 25 mm diameter Bandpass Interference Filter, manufactured by Edmund Optics. This filter is designed with a center wavelength of 486nm, providing excellent performance in applications that demand precise wavelength selection. The filter's physical dimensions include a diameter of 25mm and a thickness of 7.5mm, making it suitable for use in a variety of optical systems.
The 65-691 filter is cut on at 481nm and cut off at 491nm, ensuring a narrow bandwidth and high transmission at the desired wavelength. The coating on both the front and back surfaces of the filter is EDM 65-631, which is a traditional coating developed by Edmund Optics, known for its durability and excellent optical properties.
This filter is designed in a Thin Lens shape, which is a common configuration for optical filters. The catalog number for this item is 65-691, and it is currently in stock on the Edmund Optics website, as indicated by its weblink status. For more detailed information, users can visit the provided weblink: https://www.edmundoptics.com/p/486nm-cwl-25mm-dia-10nm-fwhm-interference-filter/20209/.