Range-finding method using diffraction gratings

Thomas D. DeWitt; Douglas A. Lyon

doi:10.1364/AO.34.002510

Range-finding method using diffraction gratings

Thomas D. DeWitt, Douglas A. Lyon

Fairfield University

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

Abstract

A model in geometric optics, along with some preliminary experimental results for a new range-finding method that exploits near-field diffraction phenomena found with plane gratings, is presented. Among the characteristics investigated is a magnification effect applicable to three-dimensional microscopy. A variety of embodiments of the method is disclosed, including an off-axis illumination model and a method of near-field focus compensation that takes advantage of the Scheimpflug condition.

Original language	American English
Journal	Applied Optics
Volume	34
DOIs	https://doi.org/10.1364/AO.34.002510
State	Published - Jan 1 1995

Disciplines

Computer Engineering
Engineering

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title = "Range-finding method using diffraction gratings",

abstract = " A model in geometric optics, along with some preliminary experimental results for a new range-finding method that exploits near-field diffraction phenomena found with plane gratings, is presented. Among the characteristics investigated is a magnification effect applicable to three-dimensional microscopy. A variety of embodiments of the method is disclosed, including an off-axis illumination model and a method of near-field focus compensation that takes advantage of the Scheimpflug condition.",

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year = "1995",

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TY - JOUR

T1 - Range-finding method using diffraction gratings

AU - DeWitt, Thomas D.

AU - Lyon, Douglas A.

PY - 1995/1/1

Y1 - 1995/1/1

N2 - A model in geometric optics, along with some preliminary experimental results for a new range-finding method that exploits near-field diffraction phenomena found with plane gratings, is presented. Among the characteristics investigated is a magnification effect applicable to three-dimensional microscopy. A variety of embodiments of the method is disclosed, including an off-axis illumination model and a method of near-field focus compensation that takes advantage of the Scheimpflug condition.

AB - A model in geometric optics, along with some preliminary experimental results for a new range-finding method that exploits near-field diffraction phenomena found with plane gratings, is presented. Among the characteristics investigated is a magnification effect applicable to three-dimensional microscopy. A variety of embodiments of the method is disclosed, including an off-axis illumination model and a method of near-field focus compensation that takes advantage of the Scheimpflug condition.

UR - https://digitalcommons.fairfield.edu/engineering-facultypubs/87

U2 - 10.1364/AO.34.002510

DO - 10.1364/AO.34.002510

M3 - Article

VL - 34

JO - Applied Optics

JF - Applied Optics

ER -

Range-finding method using diffraction gratings

Abstract

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