Transmission-grating-based wavefront tilt sensor
Applied Optics, Vol. 48, Issue 20, pp. 3961-3966 (2009)
http://dx.doi.org/10.1364/AO.48.003961
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Abstract
We propose a new type of tilt sensor. It consists of a grating and an image sensor. It detects the tilt of the collimated wavefront reflected from a plane mirror. Its principle is described and analyzed based on wave optics. Experimental results show its validity. Simulations of the ordinary autocollimator and the proposed tilt sensor show that the effect of noise on the measured angle is smaller for the latter. These results show a possibility of making a smaller and simpler tilt sensor.
© 2009 Optical Society of America
OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(070.6110) Fourier optics and signal processing : Spatial filtering
(110.6760) Imaging systems : Talbot and self-imaging effects
(120.4640) Instrumentation, measurement, and metrology : Optical instruments
ToC Category:
Diffraction and Gratings
History
Original Manuscript: April 1, 2009
Revised Manuscript: June 11, 2009
Manuscript Accepted: June 13, 2009
Published: July 6, 2009
Citation
Koichi Iwata, Hiroki Fukuda, and Kousuke Moriwaki, "Transmission-grating-based wavefront tilt sensor," Appl. Opt. 48, 3961-3966 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-20-3961
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