Total internal reflection microscopy: inspection of surfaces of high bulk scatter materials.
The technique of total internal reflection microscopy (TIRM) introduced by P. Temple for inspection of the surface structure of transparent substrates is extended here for use with materials exhibiting high bulk scatter. A strong dependence of scratch illumination on the angle between scratches and the S polarization direction is observed and explained via a simple model.
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Litton Guidance & Control Systems, Laser Sensor Technology Group, 5500 Canoga, Woodland Hills, California 91367, USA.