Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Zhihai Pang"'
Publikováno v:
Applied Optics.
Autor:
Zhihai Pang, Tianbin He
Publikováno v:
10th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing and Metrology Technologies.
Publikováno v:
AOPC 2020: Telescopes, Space Optics, and Instrumentation.
The surface contribution analysis method is to find the wavefront map at the local intermediate entrance and exit pupil reference spheres for each optical surface. Direct pictures of each surface aberration contribution are then given by fitting the
Publikováno v:
AOPC 2020: Optical Sensing and Imaging Technology.
In recent years, Low-Light-Level (LLL) remote -sensing camera has become a novel subject for the development of aerospace optical remote-sensing payloads. LLL remote sensing camera works in ultra-low light conditions, the image signal is very weak an
Publikováno v:
9th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Micro- and Nano-Optics, Catenary Optics, and Subwavelength Electromagnetics.
Publikováno v:
SPIE Proceedings.
The advantage of Carbon Fiber Reinforced Polymer (CFRP) is obvious as a common space material for low density, low thermal expansion coefficient and high specific stiffness characteristics, it is the ideal material choice for space optical reflector.
Publikováno v:
8th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes.
Through introducing transformed pupil vector and shifted center of aberration fields vector into the nodal aberration expansions of an axially symmetric optical system, the aberration expression in third order of an off-axis optical system and misali
Publikováno v:
SPIE Proceedings.
Computer-generated hologram (CGH) is an effective way to compensate wavefront aberration in null test of aspheric surfaces and freeform surfaces. Our strategies of CGH design for 600mm diameter SiC primary mirror surface figure testing are presented,
Publikováno v:
SPIE Proceedings.
Recently, a new kind of optical zooming technique in which no moving elements are involved has been paid much attention. The elimination of moving elements makes optical zooming suitable for applications which has exacting requirements in space, powe
Autor:
Yunfei Du, Jingxuan Wei, Yongjie Xie, Su Yu, Wang Wei, Zhao Hui, Zhen Ma, Guorui Ren, Fan Xuewu, Zhihai Pang
Publikováno v:
International Optical Design Conference 2014.
In recent years, how to eliminate moving elements while realizing optical zoom imaging has been paid much attention. Compared with the conventional optical zooming techniques, removing moving elements would bring in many benefits such as reduction in