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- W4207071103 abstract "Machining error and material stress are the main causes of focal length difference and mirror distortion of each sub-structure for the compound-eye lens array, which will cause each sub-aperture to defocus and increase the actual measurement error. In view of the difficulty in measuring the consistency of the axial focus position of large-scale infrared compound-eye lens array with a sub-aperture of millimeters, this paper proposes a measurement method based on the focal plane coupling parameter transmission in the optical system, and establishes an experimental measurement system for multi-aperture focal length consistency. The sharpness fixed focus method is used for the sampling precision measurement of the sub-aperture focal position consistency in an infrared compound-eye lens array. The measurement results show that the measured focal position range and the standard deviation of focal position are 21.0 μ <tex xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>$m$</tex> and 6.26 μm, respectively. The measurement method for the multi-aperture focal position consistency proposed in this paper provides a quantitative evaluation method for the optical performance of the infrared compound-eye lens array." @default.
- W4207071103 created "2022-01-26" @default.
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- W4207071103 date "2021-10-29" @default.
- W4207071103 modified "2023-09-23" @default.
- W4207071103 title "Measurement and Analysis of Focus Dispersion in Infrared Compound-Eye Lens Array" @default.
- W4207071103 doi "https://doi.org/10.1109/icemi52946.2021.9679559" @default.
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