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Adaptive sampling strategy for tolerance analysis of freeform optical surfaces based on critical ray aiming

Autor: Fan, Rundong, Wei, Shili, Qian, Zhuang, Ji, Huiru, Tan, Hao, Mo, Yan, Ma, Donglin

The tolerance analysis of freeform surfaces plays a crucial role in the development of advanced imaging systems. However, the intricate relationship between surface error and imaging quality poses significant challenges, necessitating dense sampling

Externí odkaz: http://arxiv.org/abs/2407.03688

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Surface variation analysis of freeform optical systems over surface frequency bands for prescribed wavefront errors

Autor: Fan, Rundong, Wei, Shili, JI, Huiru, Qian, Zhuang, Tan, Hao, Mo, Yan, MA, Donglin

The surface errors of freeform surfaces reflect the manufacturing complexities and significantly impact the feasibility of processing designed optical systems. With multiple degrees of freedom, freeform surfaces pose challenges in surface tolerance a

Externí odkaz: http://arxiv.org/abs/2403.19081

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Akademický článek

Catadioptric freeform optical system design for LED off-axis road illumination applications

Autor: Zhu, Zhengbo, Ma, Donglin, Hu, Qiaomu, Tang, Yongqian, Liang, Rongguang

The aim of this paper is to develop a new composite structure of catadioptric optical system containing both freeform refractive surface and freeform total internal reflective (TIR) surface for LED road illumination applications. The role of freeform

Externí odkaz: http://hdl.handle.net/10150/626573
http://arizona.openrepository.com/arizona/handle/10150/626573

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Surface relief grating near-eye display waveguide design

Autor: Wang, Haodong, Ma, Donglin

A near-eye display device (NED) is a visual optical system that places a miniature display in front of the human eye to provide an immersive viewing experience. NEDs have been playing an irreplaceable role in both early military flight applications a

Externí odkaz: http://arxiv.org/abs/2307.01600

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Pupil aberrations correction of the afocal telescope for the TianQin project

Autor: Fan, Zichao, Zhu, Zhengbo, Ji, Huiru, Mo, Yan, Tan, Hao, Zhao, Lujia, Cao, Shengyi, Ma, Donglin

TianQin is a planned Chinese space-based gravitational wave (GW) observatory with a frequency band of 10-4 to 1Hz. Optical telescopes are essential for the delivery of the measurement beam to support a precise distance measurement between pairs of pr

Externí odkaz: http://arxiv.org/abs/2303.02952

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