ABSTRACT
This chapter considers various nuclear imaging techniques. Nuclear techniques for the measuring of inner and surface structures of various materials have found worldwide application. Gamma radiography, born at the beginning of twentieth century, serves as a powerful tool for nondestructive testing. Some systems include detection by a digital radiography device, among which are included the multiwire proportional chamber. Digital radiography offers three major advantages over the commonly used photographic film–screen techniques: the dose can be reduced to the quantum limit; the images cover a large dynamic range of contrast; and the computerized storage and display techniques can be used. The secondary electron emission detectors can be applied to fast real-time industrial and medical radiography and tomography and to time-resolved diffraction studies using intense synchrotron radiation sources, as an alternative to other traditional radiographic techniques.
