One method for mirror surface figure treatment in optical instrument
One method for mirror surface figure treatment in optical instrument
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发表时间:
2009
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通讯作者:
Hu Qi-qian
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作者:
Hu Qi-qian
The distortion of optical mirror surface includes rigid-body motion and aberration.The aberration is main factor which affects image quality.A new theory mirror surface is built by coordinate transformation.Deformation mirror surface is fit by theory mirror surface.The RMS value and PV value of aberration are calculated using axial direction difference which comes from fitting and deformation mirror surface.The numerical result shows that the algorithms has high accuracy and can be well used in paraboloid and sphere mirror surface figure accuracy analyse when mirror in support and clamping condition.