A large-angle high speed scanner based on electro-optic crystal for Fresnel telescope synthetic aperture imaging ladar

Jun Xu; Ya'nan Zhi; Xuping Wang; Jianfeng Sun; Yu Zhou; Enwen Dai; Liren Liu

doi:10.1117/12.928398

15 October 2012 A large-angle high speed scanner based on electro-optic crystal for Fresnel telescope synthetic aperture imaging ladar

Jun Xu, Ya'nan Zhi, Xuping Wang, Jianfeng Sun, Yu Zhou, Enwen Dai, Liren Liu

Author Affiliations +

Proceedings Volume 8520, Unconventional Imaging and Wavefront Sensing 2012; 85200V (2012) https://doi.org/10.1117/12.928398
Event: SPIE Optical Engineering + Applications, 2012, San Diego, California, United States

Abstract

The cross-orbit scanning is very important for Fresnel telescope synthetic aperture imaging ladar system. This paper presents a design of large-angle high speed scanner based on electro-optic crystal for the cross-orbit scanning in Fresnel telescope synthetic aperture imaging ladar system. The designed scanner is based on the space-charge-controlled EO effect in KTN. In the experiment the crystal temperature should be kept a little higher above Tc to obtain a large EO effect and the polarization of the laser beam should be parallel to the direction of the driving electric field. Compared with other conventional EO crystal scanner, the new scanner can greatly improve the scanner angle by several times when maintains high speed and accuracy, which will have a great potential for cross-orbit scanning applications in Fresnel telescope synthetic aperture imaging ladar system.

Citation Download Citation

Jun Xu, Ya'nan Zhi, Xuping Wang, Jianfeng Sun, Yu Zhou, Enwen Dai, and Liren Liu "A large-angle high speed scanner based on electro-optic crystal for Fresnel telescope synthetic aperture imaging ladar", Proc. SPIE 8520, Unconventional Imaging and Wavefront Sensing 2012, 85200V (15 October 2012); https://doi.org/10.1117/12.928398

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