FIELD: test equipment. SUBSTANCE: additional elements are brought when exciting laser plasma in tested material by means of focusing laser radiation onto tested object, after that subsequent registration of emission spectrum is carried out. These element provide to achieve optimal characteristics as when focusing laser beam and when registering spectrum. Device also has pulse generator and gate generator. EFFECT: improved precision of method. 6 dwg
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Authors
Dates
1994-02-15—Published
1991-06-14—Filed