How is the wavelength chosen for measuring a specific gas?
Our focus is on producing a stable, reliable instrument that can be operated and maintained with minimal effort. With the laser being a key component, we select individual spectral features that enable us to use specific NIR DFB lasers that have years of reliability and design validation in the telecom industry. These lasers have lifetimes exceeding 20 years. There are a range of NIR DFB lasers available so we optimize the spectroscopy by choosing among several available spectral lines for each molecule. The spectral line is chosen on the basis of its strength and absence of interference from other molecular species in the sample to be analyzed.
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- How is the wavelength chosen for measuring a specific gas?
