Design of wide-spectrum directed multispectral imaging system with visible light

Qiu-sha Shan; Kai Liu; Pei-pei Yan; Jing Duan; Kai Jiang; Liang Zhou

doi:10.1117/12.2513372

24 January 2019 Design of wide-spectrum directed multispectral imaging system with visible light

Qiu-sha Shan, Kai Liu, Pei-pei Yan, Jing Duan, Kai Jiang, Liang Zhou

Proceedings Volume 10840, 9th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Micro- and Nano-Optics, Catenary Optics, and Subwavelength Electromagnetics; 108401A (2019) https://doi.org/10.1117/12.2513372
Event: Ninth International Symposium on Advanced Optical Manufacturing and Testing Technologies (AOMATT2018), 2018, Chengdu, China

Abstract

In this paper, a visible spectral multi-spectral imaging system with spectral resolution better than 14nm is designed. The system uses dual Amici dispersive prisms as the optical splitters to provide the parallel beam dispersion with the widen spectral range. When designed, the fore-telescope、collimating lens and imaging objective lens adopt telecentric structure to facilitate pupil matching, and the directed characters of dual Amici prisms make the coaxial design realized. The spectral range is 400nm-900nm, the relative aperture is 1/2.4, the optical design software CodeV is used for ray tracing and optimization of the spectral imaging system, and the design results are analyzed. The analysis result show that the optical modulate transfer function has reached 0.75 or more in each spectral segment of the optical system, the spectral resolution is better than 14nm, the smile and keystone are better than 5um, meeting the design requirements. The system has the features of widen spectral range, the smaller of the smile and keystone.

Citation Download Citation

Qiu-sha Shan, Kai Liu, Pei-pei Yan, Jing Duan, Kai Jiang, and Liang Zhou "Design of wide-spectrum directed multispectral imaging system with visible light", Proc. SPIE 10840, 9th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Micro- and Nano-Optics, Catenary Optics, and Subwavelength Electromagnetics, 108401A (24 January 2019); https://doi.org/10.1117/12.2513372

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