Design of ultra-high definition and large aperture lens based on curved surface sensor

Ye Wang

doi:10.1117/12.2607089

24 November 2021 Design of ultra-high definition and large aperture lens based on curved surface sensor

Ye Wang

Proceedings Volume 12065, AOPC 2021: Optical Sensing and Imaging Technology; 120653Q (2021) https://doi.org/10.1117/12.2607089
Event: Applied Optics and Photonics China 2021, 2021, Beijing, China

Abstract

As one of the traditional Seidel aberrations, image field curve is a common problem in lens design. Moreover, because the Petzval field curve is affected by the distance between the positive and negative power, the lens must be made longer to achieve perfect field curve correcting, which is a difficult problem for almost every design. Benefit from the advanced optoelectronic chip technology, some companies produce curved surface sensors to solve the image field curve. Curved CMOS is to bend the sensitive area to better receive the light from the edge. As long as the lens design matches the curvature of the sensor, the edge image quality can be effectively improved, and the edge image quality problem can be solved. The curved surface CMOS can also make the edge light direct to the edge of the CMOS, so that the sensitivity of the edge can be greatly improved. In this paper, an Ultra High-Definition large aperture lens for full frame surface sensor is designed. The full frame surface sensor is introduced into the lens design to improve the edge image quality and solve the problem of edge light loss on the basis of large aperture. The focal length of the lens is 50 mm, and the F1.4, the field of view angle is 46 ° and the MTF （Modulation Transfer Function）of the whole field of view is <0.4.

Citation Download Citation

Ye Wang "Design of ultra-high definition and large aperture lens based on curved surface sensor", Proc. SPIE 12065, AOPC 2021: Optical Sensing and Imaging Technology, 120653Q (24 November 2021); https://doi.org/10.1117/12.2607089

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KEYWORDS

Image sensors

Sensors

Lens design

Image quality

Monochromatic aberrations

Image processing

Modulation transfer functions

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