Stand-off detection of plant-produced volatile organic compounds using short range Raman LIDAR

Lewis Johnson, Cleon Barnett, Christopher Brown, Devron Crawford, James Homer Tumlinson, III

Research output: Contribution to journalConference article

Abstract

Several plant species release volatile organic compounds (VOCs) when under stresses such as herbivore feeding attack. The release of these plant-produced VOCs (i.e. terpenes) triggers the release of active biochemical defenses, which target the attacker. In some cases, the VOCs send cues to nearby carnivorous predators to attract them to the feeding herbivore. Volatile compounds are released both locally by damaged leaves and systemically by the rest of the plant. These compounds are released in large quantities, which facilitate detection of pests in the field by parasitoids. Detecting the plant's VOC emissions as a function of various parameters (e.g. ambient temperature, atmospheric nitrogen levels, etc.) is essential to designing effective biological control systems. In addition these VOC releases may serve as early warning indicator of chemo-bio attacks. By combining Raman spectroscopy techniques with Laser Remote Sensing (LIDAR) systems, we are developing a Standoff detection system. Initial results indicate that is it possible to detect and differentiate between various terpenes, plant species, and other chemical compounds at distances greater than 12 meters. Currently, the system uses the 2 nd harmonic of a Nd:YAG; however plans are underway to improve the Raman signal by moving the illumination wavelength into the solar-blind UV region. We report on our initial efforts of designing and characterizing this in a laboratory proof of concept system. We envision that this effort will lead to the design of a portable field-deployable system to rapidly characterize, with a high spatial resolution, large crops and other fields.

Original languageEnglish (US)
Pages (from-to)229-235
Number of pages7
JournalProceedings of SPIE - The International Society for Optical Engineering
Volume5271
DOIs
StatePublished - Jun 1 2004
EventMonitoring Food Safety, Agriculture, and Plant Health - Providence, RI, United States
Duration: Oct 28 2003Oct 29 2003

Fingerprint

Volatile Organic Compounds
Standoff Detection
volatile organic compounds
Raman
Volatile organic compounds
terpenes
Terpenes
Range of data
attack
Attack
Biological Control
predators
Nd:YAG
chemical compounds
Chemical compounds
Early Warning
warning
Raman Spectroscopy
Volatiles
crops

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

Cite this

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title = "Stand-off detection of plant-produced volatile organic compounds using short range Raman LIDAR",
abstract = "Several plant species release volatile organic compounds (VOCs) when under stresses such as herbivore feeding attack. The release of these plant-produced VOCs (i.e. terpenes) triggers the release of active biochemical defenses, which target the attacker. In some cases, the VOCs send cues to nearby carnivorous predators to attract them to the feeding herbivore. Volatile compounds are released both locally by damaged leaves and systemically by the rest of the plant. These compounds are released in large quantities, which facilitate detection of pests in the field by parasitoids. Detecting the plant's VOC emissions as a function of various parameters (e.g. ambient temperature, atmospheric nitrogen levels, etc.) is essential to designing effective biological control systems. In addition these VOC releases may serve as early warning indicator of chemo-bio attacks. By combining Raman spectroscopy techniques with Laser Remote Sensing (LIDAR) systems, we are developing a Standoff detection system. Initial results indicate that is it possible to detect and differentiate between various terpenes, plant species, and other chemical compounds at distances greater than 12 meters. Currently, the system uses the 2 nd harmonic of a Nd:YAG; however plans are underway to improve the Raman signal by moving the illumination wavelength into the solar-blind UV region. We report on our initial efforts of designing and characterizing this in a laboratory proof of concept system. We envision that this effort will lead to the design of a portable field-deployable system to rapidly characterize, with a high spatial resolution, large crops and other fields.",
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Stand-off detection of plant-produced volatile organic compounds using short range Raman LIDAR. / Johnson, Lewis; Barnett, Cleon; Brown, Christopher; Crawford, Devron; Tumlinson, III, James Homer.

In: Proceedings of SPIE - The International Society for Optical Engineering, Vol. 5271, 01.06.2004, p. 229-235.

Research output: Contribution to journalConference article

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