Surface roughness measurement using dichromatic speckle pattern: an experimental study
نویسندگان
چکیده
منابع مشابه
Surface roughness measurement using dichromatic speckle pattern: an experimental study.
Surface roughness is studied experimentally by making use of the statistical properties of dichromatic speckle patterns. The rms intensity difference between two speckle patterns produced by two argon laser lines are analyzed in the far field as functions of the object surface roughness and the difference in the two wavenumbers of the illuminating light. By applying previously derived formulas,...
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ژورنال
عنوان ژورنال: Applied Optics
سال: 1978
ISSN: 0003-6935,1539-4522
DOI: 10.1364/ao.17.002690