Gas filter cell GFC-12-G

Infrasolid's hermetic housing technology enables the soldering of different IR window materials, like CaF2, BaF2 and sapphire. It is used in our high-performance infrared radiation sources to ensure best long-term stability and highest lifetime. The hermetic packages do not show any permeation of water vapor or gases in contrast to glued windows. It opens up new fields of application, especially in harsh industrial environments such as explosion-endangered applications, corrosive gas mixtures, high temperature, high partial gas pressure, and high humidity.

Hermetic gas filter cells are gas-filled cylinders and are used to block out specific frequency bands of interfering gases in optical gas analysis. Additionally, the cells can be filled with reference gases of certain gas concentrations to be used for calibration of gas analysis systems, e.g. for adjusting laser wavelengths to specific gas absorption bands. For a very high long-term stability our gas filter cells are hermetically sealed with soldered CaF2 windows. They show high transmissivity from UV up to far infrared wavelengths for a broad range of applications.

• Elimination of cross-sensitivities to interfering gases in optical gas analysis
• Adjustment of measuring instruments and gas analyzers
• Soldered, high-quality CaF₂ windows
• Filling tube enables self-filling with desired gas and sealing
• Broad range of applications from UV to far infrared spectral range