Hermetic gas filter cell with soldered CaF2 windows
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.
Product Name | GFC-35 |
Filter/Window | 2 x soldered CaF2 |
Wavelength range | 0.2 to 11 µm |
Filling gas | None - Additional filling gas on request |
Length | 35 mm |
Transmissivity | > 80% up to 8 μm |
Operating temperature range | - 25 ... + 85 °C |
Hermetic gas filter cell with soldered CaF2 windows
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.
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.
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