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Semi-Automation Of Autocollimator
Added Jul 10, 2014 | Rate View top rated
Autocollimators are devices which are based on the optical technique of projecting an illuminated reticule to infinity and receiving the reticule image after reflected upon by a flat mirror. The flat mirror is positioned along the specimen to be tested and is moved in increments along the entire length of the specimen .If the reflected reticule is tilted by an angle a, the reflected beam is deflected by twice that angle i.e. 2a. Thus detection of errors in straightness is possible.
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