SHAO Jing, MA Dong-mei, NIE Zhen-wei. Accurate test of optical wave front for optical imaging system[J]. Editorial Office of Optics and Precision Engineering, 2011,19(11): 2582-2588
SHAO Jing, MA Dong-mei, NIE Zhen-wei. Accurate test of optical wave front for optical imaging system[J]. Editorial Office of Optics and Precision Engineering, 2011,19(11): 2582-2588 DOI: 10.3788/OPE.20111911.2582.
Accurate test of optical wave front for optical imaging system
the effect of different amplitudes for exit pupils on the image intensity in the focal plane was analyzed. A novel approach was applied to testing the wavefront according to the actual condition of the amplitude in the exit pupil
which can help eliminating the error caused by the nonuniformity illuminated pupil and the Fast Fourier Transform in the original phase retrieval algorithms. A testing experiment was performed on an imaging optical system
and obtained results show that the tested wave fronts in the exit pupil of a camera lens are 0.196 5 in PV and 0.022 4 in RMS (the testing wavelength is 632.8 nm). The aberrations in the wavefront are mainly astigmatism
coma and high order astigmatism. Furthermore
the approach can also be used to analyze the amplitude in the exit pupil of a camera lens and calculate the light intensity distribution on other focal planes. The experiment proves this approach available.
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