Title :
Novel measurement techniques using mixed circular and cylindrical phase gratings
Author :
Chen, Z.Y. ; Wen, F.J. ; Chow, Y.T. ; Chung, P.S.
Author_Institution :
Dept. of Electron. Eng., City Univ. of Hong Kong, Hong Kong, China
fDate :
Aug. 28 2011-Sept. 1 2011
Abstract :
We propose an optical diffractive element which is composed of circular and cylindrical phase gratings, producing a mixed spectrum in a fractional Fourier transform system. It can be used in measuring distance, area and angle.
Keywords :
Fourier transforms; angular measurement; area measurement; diffraction gratings; diffractive optical elements; distance measurement; spatial light modulators; angle measurement; area measurement; cylindrical phase gratings; diffractive optical element; distance measurement; fractional Fourier transform system; mixed circular phase gratings; spatial light modulators; Area measurement; Diffraction; Fourier transforms; Gratings; Lenses; Optical variables measurement; Ultrasonic variables measurement;
Conference_Titel :
Quantum Electronics Conference & Lasers and Electro-Optics (CLEO/IQEC/PACIFIC RIM), 2011
Conference_Location :
Sydney, NSW
Print_ISBN :
978-1-4577-1939-4
DOI :
10.1109/IQEC-CLEO.2011.6193716
