Chinese Journal of Quantum Electronics, Volume. 23, Issue 6, 783(2006)

Discussion and analysis of Schmidt system

Pei-ming HAO1... Bao-zhu PAN1,2,*, Hong-guang LI1 and Wei-wei LI1 |Show fewer author(s)
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    It is well known that Schmidt system is a famous optical system. The equation of the corrector plate which was based on the third-order aberration theory was approved for a long time. When we confirmed the previous equation with optical design program ZEMAX,we found the coefficient of the equation a≠1/2r02,where r02 was the radius of the corrector plate vertex,and ΣS1≠0,the focal length f and the back focal length fb of Schmidt system also had some deviation,and didn't coincide with the third-order aberration theory. According to analysis,the cause of the errors was that the previous equation didn't contain the variation of the focal length after defocus Δ. The focal length after defocus should be f△=f+△.From the third-order aberration theory,substituting f with fΔ in calculation,we got a new equation of the corrector plate. Again,when we confirmed the new equation with optical design program ZEMAX,we could deduce that the coefficient a=1/2r02,andΣS1=0,which accorded with third-order aberration theory.

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    HAO Pei-ming, PAN Bao-zhu, LI Hong-guang, LI Wei-wei. Discussion and analysis of Schmidt system[J]. Chinese Journal of Quantum Electronics, 2006, 23(6): 783

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    Paper Information

    Category:

    Received: Aug. 17, 2005

    Accepted: --

    Published Online: Jun. 7, 2010

    The Author Email: Bao-zhu PAN (panbaozhu@ntu.edu.cn)

    DOI:

    CSTR:32186.14.

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