The FF01-640/20-25 is a Bandpass Filter, specifically designed with a circular shape and a diameter of 25 mm. This filter is sourced from the reputable vendor, Semrock, and boasts a catalog number of FF01-640/20-25. The item's web links are valid and direct to the product page, indicating its availability in stock.
This filter is made from UVFS MAL-1965 material and has a wavelength of 640 nm. It features a Thin Lens shape and has physical data that includes a cut-on wavelength of 630 nm and a cut-off wavelength of 650 nm, with a central wavelength (CWL) of 640 nm.
The coating of this filter is uniform on both the front and back, with the front coating being Sem FF01-64020 and the back coating also being Sem FF01-64020. The geometry of the filter includes a thickness of 2 mm, making it a slim and efficient option for various optical applications.