CONFERENCE PROCEEDINGS
Advanced Search
Home > Proceedings > Volume 10846 > Article
Paper
12 December 2018 Improved Lidar system based on optical bandpass filter
Yan Zhang, YaXu Wang, RongZhu Zhang
Author Affiliations +
Proceedings Volume 10846, Optical Sensing and Imaging Technologies and Applications; 108462A (2018) https://doi.org/10.1117/12.2505411
Event: International Symposium on Optoelectronic Technology and Application 2018, 2018, Beijing, China
Abstract
The difference between the initial wavelength of the output signal caused by the error during the tunable laser tuning process will lead to the decrease of the azimuth resolution of the synthetic aperture lidar. In order to reduce the initial wavelength error, a scheme of filtering using a cascaded micro-ring M-Z optical band-pass filter is proposed. Using the digital filter design method by cascade micro-loop assisted M-Z interferometer to achieve elliptic filter. The 24-order elliptic filter is used to realize the filter with the transition band of 0.001nm, the passband ripple of 1dB and the stopband ripple of 60dB. The use of digital filter design cascaded micro-ring M-Z interferometer optical filter, not only to achieve the desired results, but also can improve the design efficiency of optical filters. After the optimization of the parameters of the cascaded microring M-Z filter, a filter with a large bandwidth, a flat top and a very small transition band can be obtained. Used to control the initial wavelength error can achieve the desired effect.
© (2018) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation Download Citation
Yan Zhang, YaXu Wang, and RongZhu Zhang "Improved Lidar system based on optical bandpass filter", Proc. SPIE 10846, Optical Sensing and Imaging Technologies and Applications, 108462A (12 December 2018); https://doi.org/10.1117/12.2505411
ACCESS THE FULL ARTICLE
ORGANIZATIONAL
Sign in with credentials provided by your organization.
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
Members: $17.00
Non-members: $21.00 ADD TO CART
PROCEEDINGS
 7 PAGES
DOWNLOAD PAPER SAVE TO MY LIBRARY
GET CITATION
Advertisement
Advertisement
RIGHTS & PERMISSIONS
Get copyright permission  Get copyright permission on Copyright Marketplace
KEYWORDS
Image resolution
RELATED CONTENT
Subscribe to Digital Library
Receive Erratum Email Alert
Back to Top