FSR-GG400 25.4 mm Dia. Colored Glass Absorptive Longpass Filter 400nm

The FSR-GG400 is a Longpass Filter, a type of optical component designed to transmit light with wavelengths longer than a specified value while blocking shorter wavelengths. This particular filter, sourced from the reputable vendor MKS/Newport, has a catalog number of FSR-GG400 and is available for purchase online.

The FSR-GG400 boasts a circular shape with a diameter of 25.4 mm and a thickness of 3 mm, making it compatible with a wide range of optical systems. Its physical data includes a cut-on wavelength of 400nm, meaning it begins to transmit light at this point, and a cut-off wavelength of 0nm, indicating it blocks all wavelengths shorter than 400nm.

This filter is made of UVFS Mal-1965, a specific type of optical glass known for its excellent optical properties. The coating on both the front and back surfaces of the filter is 'new gg400', which contributes to its longpass filtering capabilities. The filter's shape is that of a thin lens, further expanding its potential applications in various optical setups.

For more detailed information, including availability and pricing, please refer to the vendor's website through the provided weblink: https://www.newport.com/p/FSR-GG400. The link has been verified and is currently valid, indicating the filter is in stock.