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Related Experiment Video

Updated: Jul 6, 2026

Bringing the Visible Universe into Focus with Robo-AO
10:35

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Published on: February 12, 2013

Laser remote-sensing system analysis for search and rescue.

C T Field1, P S Millar

  • 1Department of Electrical Engineering, U.S. Naval Academy, Annapolis, Maryland 21402, USA. field@nadn.navy.mil

Applied Optics
|March 6, 2008
PubMed
Summary

This study presents a laser remote-sensing model for search and rescue, using fluorescent dye to detect targets. The system efficiently calculates required laser power for effective ground searches, potentially aiding in locating lost aircraft.

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Area of Science:

  • Optics and Photonics
  • Remote Sensing Technology
  • Search and Rescue Systems

Background:

  • Distinguishing targets from background clutter is crucial in remote sensing.
  • Fluorescent dyes offer a method for enhancing target visibility.
  • Existing laser systems require optimization for search and rescue applications.

Purpose of the Study:

  • To develop a general model for a laser remote-sensing system tailored for search and rescue.
  • To utilize fluorescent dye-marked targets for improved detection.
  • To derive a practical formula for calculating required laser power.

Main Methods:

  • Modeling a laser remote-sensing system incorporating fluorescent targets.
  • Analyzing the spectral shift of fluorescence for target discrimination.
  • Deriving an expression for average laser power based on search rate and energy density.

Main Results:

  • A simple formula was derived for the average laser power needed for a specific search rate and energy density.
  • The system effectively distinguishes dye-marked targets by their longer peak fluorescence wavelength.
  • The model is also applicable to imaging lidar systems.

Conclusions:

  • The developed laser remote-sensing system model is practical for search and rescue operations.
  • Active probing using this technology shows promise for locating lost aircraft.
  • Fluorescent dye marking significantly enhances target detection capabilities in remote sensing.