Semrock's FF01-640/14-25 is a Bandpass Filter, specifically designed with a circular shape and a diameter of 25 mm. This filter is made from the material ID UVFS Mal-1965, and has a thickness of 2 mm. The filter is designed to allow light with a center wavelength (CWL) of 640 nm to pass through while blocking other wavelengths.
The filter's cut-on wavelength is 633 nm, and the cut-off wavelength is 647 nm, providing a narrow bandwidth for precise light filtering. The coating on both the front and back of the filter is Sem FF01-64014, which is specifically designed for this type of filter.
The FF01-640/14-25 filter is available from Semrock and is currently in stock. For more information, including pricing and detailed specifications, please refer to the product page on Semrock's website.