The FF01-640/40-25 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 FF01-640/40-25. 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 thickness of 3.5 mm. It is designed to allow light transmission within the wavelength range of 640 nm, with a cut-on wavelength of 620 nm and a cut-off wavelength of 660 nm. The central wavelength (CWL) of this filter is also 640 nm.
The FF01-640/40-25 features a Thin Lens shape and is coated with the same material on both the front and back surfaces. The front coating is Sem FF01-64040, and the back coating is also Sem FF01-64040. This coating ensures optimal performance and durability of the filter.