Methods for the microscopic examination of matter continue to expand in both
their variety and their complexity. Before we have had to time to evaluate
full the scanning optical and the photo-electron microscopes, the scanning
electron-acoustic instrument is with us. The Auger micro-analytical method
has developed a visual display system and it may not be long before
laser-excited "destructive analysis" does likewise. It is a testing
question as to how far these techniques should be covered in this series.
They all involve beams of light or electrons in one way or another. We can
no longer appeal to the simple idea that a microscope includes lenses as
essential components of an imaging system. |
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