Abstract

This chapter deals with the techniques of absolute calibration in regard to photodetectors and light sources. Here also are discussed methods of absolute measurements of spectral photon flux for the investigated processes in the range running from the near IR to vacuum UV spectral range, along with absolute calibration techniques by virtue of standard detectors such as thermopiles, photodiodes, and actinometers. These techniques are discussed in regard to application to phototubes, photoionization chambers, and photomultipliers. Some original methods of absolute calibration in the vacuum UV range developed in the author’s laboratory are described.

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