Improved lobster eye lens based on micro-deformation of reflective wall

Zhao Xuan; Ouyang Mingzhao; Fu Yuegang; Zhao Yushi; Zhang He; Cui Qinyin; Liu Xueyuan

doi:10.3788/IRLA201847.0310002

As a special transflective focusing element, the lobster eye lens has important application value in the field of high energy such as X-ray, and in the visible light, infrared band has potential applications. Focused on improving the imaging quality of the lobster eye lens, the diffraction interference factor and the diffraction field of the variable periodic glare grating were discussed theoretically. The inner wall of the lobster eye channel was micro-formed by the variable periodic blazed gratings, and simulating the structure of one-dimensional lobster eye had been micro-formed. The simulation results show that the focal length is 100 mm, effective semi aperture 95 mm bores the existing structure in coke. The dispersion spot diameter at focal plane is reduced from 10 mm to 1 mm, the energy concentration increases from 75% to 89.62%, and the spot diameter and the concentration of light energy at the focal plane at different incident altitudes are both increased.

Improved lobster eye lens based on micro-deformation of reflective wall

1. School of Opto-electronic Engineering,Changchun University of Science and Technology,Changchun 130022,China

Received Date: 2017-10-16

Rev Recd Date: 2017-11-03

Publish Date: 2018-03-25

Key words:

Abstract: As a special transflective focusing element, the lobster eye lens has important application value in the field of high energy such as X-ray, and in the visible light, infrared band has potential applications. Focused on improving the imaging quality of the lobster eye lens, the diffraction interference factor and the diffraction field of the variable periodic glare grating were discussed theoretically. The inner wall of the lobster eye channel was micro-formed by the variable periodic blazed gratings, and simulating the structure of one-dimensional lobster eye had been micro-formed. The simulation results show that the focal length is 100 mm, effective semi aperture 95 mm bores the existing structure in coke. The dispersion spot diameter at focal plane is reduced from 10 mm to 1 mm, the energy concentration increases from 75% to 89.62%, and the spot diameter and the concentration of light energy at the focal plane at different incident altitudes are both increased.

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Reference (15)

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Improved lobster eye lens based on micro-deformation of reflective wall

doi: 10.3788/IRLA201847.0310002

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