Abstract

In continuation of work performed with the application of the scanning multichannel technique in combination with a photodiode array and a single monochromator we show in the present paper a similar technique combining a CCD camera with a double monochromator system with additive dispersion. Special emphasis is given to a discussion of the reproduction of spectral features with small bandwidth. Examples of applications of this technique are given in terms of high-resolution Raman spectroscopy of gases. This technique is not restricted to this type of optical spectroscopy, but can be universally applied to all spectroscopic methods where CCD detection is used.

Improvement of differential optical absorption spectroscopy with a multichannel scanning technique

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