DocumentCode
3726022
Title
Displacement measurement by single-grating heterodyne interferometry
Author
Shuhua Yan;Guochao Wang;Cunbao Lin;Yukun Luo
Author_Institution
College of Mechatronic Engineering and Automation, National University of Defense Technology (NUDT), Hunan, Changsha, 410073, China
Volume
2
fYear
2015
Firstpage
1
Lastpage
2
Abstract
We presented a displacement measurement system based on single-grating heterodyne interferometry. Our prototype system was demonstrated to achieve a relative measurement accuracy of better than 69 nm with standard deviations of less than 28 nm.
Keywords
"Displacement measurement","Gratings","Optical interferometry","Interferometers","Measurement by laser beam","Optical variables measurement","Phase measurement"
Publisher
ieee
Conference_Titel
Lasers and Electro-Optics Pacific Rim (CLEO-PR), 2015 11th Conference on
Type
conf
DOI
10.1109/CLEOPR.2015.7376014
Filename
7376014
Link To Document