Prof. Ming-ying Jiao Profile

Prof. Ming-ying Jiao

at Xi'an Institute of Applied Optics

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Publications (2)

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Proceedings Article | 12 March 2021 Paper

Optical element fabrication for anti-sniper laser detection

Zhibin Wang, Minyin Jiao, Yunlong Zhang, Feng Zhang, Zheng Zhang

Proceedings Volume 11763, 117630Q (2021) https://doi.org/10.1117/12.2585883

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In modern street battle, counter-sniper operations have become the main issue. However, due to the strong unidirectionality of laser beam, it is necessary to shape the laser beam to became useful. At the same time, in order to improve the detection efficiency, the energy of the laser beam is required to be as concentrated as possible, and the detection range is as wide as possible. Therefore, for meeting the requirements, comparing cylindrical with free-form surface prism on the shaping affection The result shows best shaping effect is achieved by using the free-form surface prism. In order to ensure that the laser energy loss is small, the manufracturing processing of freeform prism is analyzed. PSD(power spectral density) characteristics of the optical element surface and its influencing factors are discussed. So as to achieve the laser detection efficiency and detection distance requirements.

Proceedings Article | 17 April 2020 Paper

Designs of compact off-axis three-mirror afocal optical system

Yi-li Wang, Ming-ying Jiao, Xiang-guo Xiao, Ming-xi Li

Proceedings Volume 11455, 114556G (2020) https://doi.org/10.1117/12.2565268

KEYWORDS: Mirrors, Infrared radiation, Optical design, Imaging systems, Visible radiation

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Opti-electronic loads with multi-sensor are widely applied in the fields of atmosphere sounding and optical remote sensing. For the purpose of achieving high performance, miniaturization and light weight of multi-band photoelectric load, this paper proposes a structure with common aperture and partial common optical path, then light enters each subsequent light path after decomposed. This structure can improve system stability and avoids boresight errors caused by multi-apertures. The essay analyzes the aberration formula and initial structural parameter’s calculation method of the three-mirror system with the constraint of afocal condition, then eliminate the center occlusion through shifting the optic aperture and design a compact off-axis three-mirror afocal optical system with a folding mirror. The system magnification is 6^×, the max aperture is 140 mm, and the max field of view is 4°×2.1°. The modulation transfer function of optical system reaches more than 90% of the diffraction limit. The mirror surface adopts paraboloid and hyperboloid, which are easy to be processed and tested. The size of system is 167×145×211 mm, and the structure is compact enough to meet the application requirements.

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