Application of terahertz Gouy phase shift from curved surfaces for estimation of crop yield

John F. Federici; Robert L. Wample; David Rodriguez; Suman Mukherjee

doi:10.1364/AO.48.001382

Application of terahertz Gouy phase shift from curved surfaces for estimation of crop yield

John F. Federici, Robert L. Wample, David Rodriguez, Suman Mukherjee

Physics

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

25 Scopus citations

Abstract

The application of terahertz time-domain spectroscopy (THz-TDS) and imaging to differentiate flat and curved surfaces in reflection via the THz Gouy phase shift is demonstrated. For a THz-TDS system that is aligned for reflection from a flat surface, the presence of a curved surface displaces the image focal plane from the detector plane, resulting in a Gouy phase shift. The potential of utilizing this configuration for estimating the number and size of curved objects is discussed with particular emphasis on agriculture crop yield estimates.

Original language	English (US)
Pages (from-to)	1382-1388
Number of pages	7
Journal	Applied Optics
Volume	48
Issue number	7
DOIs	https://doi.org/10.1364/AO.48.001382
State	Published - Mar 1 2009

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics
Engineering (miscellaneous)
Electrical and Electronic Engineering

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abstract = "The application of terahertz time-domain spectroscopy (THz-TDS) and imaging to differentiate flat and curved surfaces in reflection via the THz Gouy phase shift is demonstrated. For a THz-TDS system that is aligned for reflection from a flat surface, the presence of a curved surface displaces the image focal plane from the detector plane, resulting in a Gouy phase shift. The potential of utilizing this configuration for estimating the number and size of curved objects is discussed with particular emphasis on agriculture crop yield estimates.",

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AB - The application of terahertz time-domain spectroscopy (THz-TDS) and imaging to differentiate flat and curved surfaces in reflection via the THz Gouy phase shift is demonstrated. For a THz-TDS system that is aligned for reflection from a flat surface, the presence of a curved surface displaces the image focal plane from the detector plane, resulting in a Gouy phase shift. The potential of utilizing this configuration for estimating the number and size of curved objects is discussed with particular emphasis on agriculture crop yield estimates.

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Application of terahertz Gouy phase shift from curved surfaces for estimation of crop yield

Abstract

All Science Journal Classification (ASJC) codes

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