High quality high transmittance UV fused silica windows
Fused silica windows are an excellent choice for demanding applications where precision and clear transmittance are key. They feature low bulk scatter and autofluorescence, and are available with very high surface quality and parallelism.
Optical windows are used to allow optical radiation to pass from one environment to another without allowing other elements of these environments to mix. And it does not change the wavelength distribution of the beam, the transmitted wave front, nor does it scatter any of the light out of the beam.