MODERN FOURIER SPECTROMETERS—A NEW BRANCH OF COMPUTERIZED OPTICAL INSTRUMENTATION
A. A. Balashov, V. A. Vagin, G. N. Zhizhin
Abstract:
The fundamentals of Fourier spectroscopy in the submillimetre, infrared, visible and ultraviolet ranges are discussed. Advantages of Fourier spectrometers over classical (dispersion) and laser instruments are demonstrated. The outstanding feature of Fourier spectrometers is that their measurement subsystem is coupled directly with the computer that performs a Fourier transformation or an alternative operation required for spectral estimation. The computer also supervises all measurement and auxiliary operations and presents the data in the desired format. Problems to be dealt with by this attached computer are considered. Basic types of Fourier spectrometer (high resolution, moderate, time and special resolution range instruments) are discussed and their development trends are pointed out.
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