The 65-684 is a 25 mm Dia. Mounted Traditional Coated Bandpass Interference Filter with a thickness of 7.5 mm, specifically designed for a central wavelength (CWL) of 442nm. This filter is sourced from the reputable vendor, Edmund Optics, and is currently in stock.
This Bandpass Filter, with its Sub Type being a Traditional Coated Bandpass Interference Filter, is circular in shape and made from UVFS Mal-1965 material. The filter's geometry includes a diameter of 25 mm and a thickness of 7.5 mm. The physical data of this filter is noteworthy, with a cut-on wavelength of 437nm and a cut-off wavelength of 447nm, aligning perfectly with its CWL of 442nm.
The coating of this filter is consistent on both the front and back surfaces, featuring the EDM 65-624 coating. The filter's shape is that of a Thin Lens, making it suitable for a wide range of optical applications. For more detailed information, users are encouraged to visit the product's webpage at https://www.edmundoptics.com/p/442nm-cwl-25mm-dia-10nm-fwhm-interference-filter/20202/.