Document Type

Conference Proceeding

Publisher

IEEE

Faculty

Computing, Health and Science

School

Electron Science Research Institute (ESRI)

RAS ID

10571

Comments

This article was originally published as: Venkataraayan, K., Askraba, S., Alameh, K., & Smith, C. L. (2010). Multi-wavelength laser scanning architecture for object discrimination. Proceedings of High-Capacity Optical Networks and Enabling Technologies. (pp. 196-199 ). Cairo, Egypt. IEEE. Original article available here

© 2010 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.

Abstract

A novel method for identifying and discriminating various objects using five different lasers is described. This method uses a laser combination module that allows five laser diodes of different wavelengths to sequentially emit identically polarized light beams through a common aperture, along one optical path. Each laser beam enters a custom-made curved optical cavity for multi-beam spot generation through internal partial beam reflection. The intensity of the reflected light beams from each spot is detected by a high-speed area scan image sensor. Object discrimination based on analyzing the Gaussian profile of reflected laser light at distinguishing wavelengths is demonstrated.

DOI

10.1109/HONET.2010.5715772

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free_to_read

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Link to publisher version (DOI)

10.1109/HONET.2010.5715772