Optical design of a synthetic aperture ladar antenna system

Changqing Cao; Xiaodong Zeng; Xiaoyan Zhao; Huanhuan Liu; Xiangkun Man

doi:10.1117/12.746575

28 November 2007 Optical design of a synthetic aperture ladar antenna system

Changqing Cao, Xiaodong Zeng, Xiaoyan Zhao, Huanhuan Liu, Xiangkun Man

Proceedings Volume 6834, Optical Design and Testing III; 68341Q (2007) https://doi.org/10.1117/12.746575
Event: Photonics Asia 2007, 2007, Beijing, China

Abstract

The spatial resolution of a conventional imaging LADAR system is constrained by the diffraction limit of the telescope aperture. The purpose of this work is to investigate Synthetic Aperture Imaging LADAR (SAIL), which employs aperture synthesis with coherent laser radar to overcome the diffraction limit and achieve fine-resolution, long range, two-dimensional imaging with modest aperture diameters. According to the demands of the Synthetic Aperture LADAR (SAL), the key techniques are analyzed briefly. The preliminary design of the optical antenna is also introduced in this paper. We investigate the design method and relevant problems of efficient optical antenna that are required in SAL. The design is pursued on the basis of the same method as is used at microwave frequency. The method is based on numerical analysis and the error values obtained by present manufacturing technology. According to the requirement to SAL with the trial of little size, light mass, low cost and high image quality, the result by ZEMAX will result.

Citation Download Citation

Changqing Cao, Xiaodong Zeng, Xiaoyan Zhao, Huanhuan Liu, and Xiangkun Man "Optical design of a synthetic aperture ladar antenna system", Proc. SPIE 6834, Optical Design and Testing III, 68341Q (28 November 2007); https://doi.org/10.1117/12.746575

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available