Abstract

With slimmer, lighter and all-reflective imaging systems in high demand for consumer and military applications, coaxially folded optical image systems are widely considered because they can extend focal length and reduce track length. Most of these systems consist of multiple surfaces, and these surfaces are machined on one element or grouping processing on two elements. In this paper, we report and first experimentally demonstrate an all-aluminum all-reflective optical system which consists of two optical elements, with two high order aspherical surfaces in each element. The coaxially folded system is designed with Seidel aberration theory and advanced optimization with Zemax. The system is made of all-aluminum material processing by single point diamond turning (SPDT). On this basis, we completed the system integration and performed an imaging experiment. The final system has the advantages of short track length and long focal length and broad application prospects in the micro-unmanned aerial vehicle field.

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Other (11)

E. J. Tremblay, J. Rutkowski, I. Tamayo, P. E. X. Silveira, R. A. Stack, R. L. Morrison, M. A. Neifeld, Y. Fainman, and J. E. FordRelaxing the alignment and fabrication tolerances of thin annular folded imaging systems using wavefront codingAppl. Opt.20074665716578

E. J. Tremblay, R. A. Stack, R. L. Morrison, and J. E. FordUltrathin cameras using annular folded opticsAppl. Opt.200746463471

E. J. Tremblay, R. A. Stack, R. L. Morrison, and J. E. FordAnnular folded optic imagerProc. SPIE2006623262320R

A. Ashkan, M. S. Glenn, E. J. Tremblay, I. Stamenov, A. Groisman, J. Legerton, W. Meyers, G. A. Amigo, and J. E. FordWearable telescopic contact lensAppl. Opt.20155471957205

R. Zhang and W. ShenUltrathin lenses using annular folded opticsInfrared Laser Eng.20124113061311

R. Zhang and W. ShenUltrathin lenses using annular folded opticsProc. SPIE20087156715604

L. Ge and Z. LiangMicro-optics label receiving system based on annular aperture ultra-thin lensActa Opt. Sin.2015351222001-1222001-6

L. Li and D. WangUltrathin zoom telescopic objectivOpt. Express2016241867418685

J. U. Lee and S. M. YuAnalytic design procedure of three-mirror telescope corrected for spherical aberration, comma, astigmatism and Petzval field curvatureJ. Opt. Soc. Korea200913184192

X. L. Li, M. Xu, X. D. Ren, and Y. T. PeiAn optical design of off-axis four-mirror-anastigmatic telescope for remote sensingJ. Opt. Soc. Korea201216243246

M. F. Zou, J. Chang, M. M. Talha, T. C. Zhang, and Y. T. WangDesign and analysis of the four-mirror optical systemOptik201012119001903

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