FF01-475/35-25 25 mm Dia. 475/35nm BrightLine Single-Band Bandpass Filter by Semrock

The FF01-475/35-25 is a Bandpass Filter, specifically designed for optimal performance in the 475nm wavelength range. This filter is manufactured by Semrock, a renowned vendor known for their high-quality optical elements. The filter is circular in shape, with a diameter of 25mm and a thickness of 2mm, making it compatible with a wide range of optical systems.

The filter is coated with a specialized coating on both the front and back, identified as "sem ff01-47535". This coating enhances the filter's performance, ensuring precise wavelength selection and minimizing unwanted light transmission.

The FF01-475/35-25 features a cut-on wavelength of 457.5nm and a cut-off wavelength of 492.5nm. The central wavelength (CWL) is 475nm, indicating the wavelength at which the filter provides the highest transmission. This makes the filter ideal for applications that require precise wavelength selection in the blue-violet region of the spectrum.

The filter is designed in a Thin Lens shape, which can provide additional flexibility in optical system design. The catalog number for this filter is FF01-475/35-25, and it can be found on Semrock's official website, where it is currently in stock.