Simulation Test Research of Using the Ritchey-Commom Method for the Detection of Large Flat Mirror

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Abstract:

In the detection of large flat mirror, the Ritchey-Common test can achieve high accuracy measurement. A method which expands the compressed images due to Ritchey Angle and rotates the plane under test is presented, achieve two sets of influence functions through this we can built two equations according to two different angular positions, we can solve the equations by least squares method. Then through fitting the coefficients, we can get the flat errors ,this paper describe the simulation test of the method in order to prove the feasibility and reliability of this method.

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Periodical:

Advanced Materials Research (Volumes 430-432)

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1733-1737

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Online since:

January 2012

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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