Ultra wide-angle underwater detection lens design

Jinxuan Huang; Tianfu Zhou; Feng Lin

doi:10.1117/12.2565273

17 April 2020 Ultra wide-angle underwater detection lens design

Jinxuan Huang, Tianfu Zhou, Feng Lin

Proceedings Volume 11455, Sixth Symposium on Novel Optoelectronic Detection Technology and Applications; 114556J (2020) https://doi.org/10.1117/12.2565273
Event: Sixth Symposium on Novel Photoelectronic Detection Technology and Application, 2019, Beijing, China

Abstract

Characteristics of underwater imaging optical systems having fields of greater than 170 degrees are discussed. The relative aperture is 1 / 1.8, the underwater field of view is 179°, the focal length is 4.1 mm, and 11 lens are used. The PMMA material is used as a concentric spherical window to correct the image quality deterioration caused by the medium change. The image quality of the lens was evaluated in the paper. The MTF performance at the Nyquist frequency can be kept above 0.3. The RMS radius reaches 2.3 μm.This system is designed with only spherical lens.

Citation Download Citation

Jinxuan Huang, Tianfu Zhou, and Feng Lin "Ultra wide-angle underwater detection lens design", Proc. SPIE 11455, Sixth Symposium on Novel Optoelectronic Detection Technology and Applications, 114556J (17 April 2020); https://doi.org/10.1117/12.2565273

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