The 65-789 is a 25 mm diameter mounted bandpass interference filter, specifically designed for use at a central wavelength (CWL) of 1350nm with a full width at half maximum (FWHM) of 12nm. This filter is sourced from Edmund Optics, a reputable vendor known for their high-quality optical components.
The filter boasts a circular base shape, made from UVFS material with the material ID 1965. It has a thickness of 7.5mm, providing excellent durability and stability. The cut-on wavelength is 1344nm, while the cut-off wavelength is 1356nm, ensuring a tight bandpass around the desired 1350nm CWL.
The 65-789 features a thin lens shape, making it suitable for a wide range of optical applications. The front and back of the filter are coated with EDM 65-775, providing enhanced performance and protection. This filter is currently in stock and available for purchase through the Edmund Optics website, as indicated by its valid weblink status.