Three–dimensional sensing by using a lenslet, a Dammann grating, and a combination

David Mendlovic; Eran Gur

doi:10.1364/AO.37.000125

Three–dimensional sensing by using a lenslet, a Dammann grating, and a combination

David Mendlovic, Eran Gur

School of Electrical Engineering

Tel Aviv University

Research output: Contribution to journal › Article › peer-review

Abstract

In the last two decades, three-dimensional sensors based on misfocusing have been suggested. This research addresses the question of measuring several focal depths simultaneously. Two options for generating the necessary array of spots are analyzed: the use of a lenslet array and the use of a Dammann grating. Finally, a combination of the two approaches is proposed. Such a combination enables tailoring the system performance to the exact needs of the user.

Original language	English
Pages (from-to)	125-129
Number of pages	5
Journal	Applied Optics
Volume	37
Issue number	1
DOIs	https://doi.org/10.1364/AO.37.000125
State	Published - 1 Jan 1998

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Three–dimensional sensing by using a lenslet, a Dammann grating, and a combination

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