The 65-773 is a Bandpass Filter with a circular base shape and a diameter of 12.5 mm, sourced from the reputable optical vendor, Edmund Optics. This filter is designed for use with a central wavelength of 1250 nm and has a full width at half maximum (FWHM) of 10 nm. The cut-on wavelength is 1245 nm, and the cut-off wavelength is 1255 nm, providing a narrow and precise band of operation.
The filter is 7.5 mm thick and features a Thin Lens shape, which is ideal for applications that require minimal optical path differences. The front and back surfaces of the filter are coated with the EDM 65-773 coating, enhancing its performance and durability.
This filter is available for purchase directly from the Edmund Optics website, and as of the time of data collection, it is in stock. The catalog number for this item is 65-773, and it can be found at the following weblink: https://www.edmundoptics.com/p/1250nm-cwl-10nm-fwhm-125mm-mounted-diameter/20291/.