Infared diode laser double-beam spectrometer.
A complete spectrometer for recording high resolution ir absorption spectra with diode lasers is presented. The optical assembly has been adapted to the characteristics of diode lasers but can be used as well with other laser sources. With a double-beam technique variations in laser power are eliminated. Problems of optical alignment and electronic signal detection are discussed, and representative spectra are presented.
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Günthard
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