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School of Ocean and Earth Science and Technology  .  University of Hawai‘i at Mānoa
stripes Instrument Development

remote sensing image of Oahu coastline near airport

Infrared Remote Sensing.

Led by Paul Lucey and managed by Tim Williams, the Spectral Technology Group at HIGP designs and builds infrared spectroscopic and imaging remote sensing systems for Earth and space science. We built several instruments for small aircraft and helicopters. We completed an infrared imaging spectrometer for low Earth orbit — Rob Wright is principal investigator. We also support airborne temperature measurements for coastal geology research led by Craig Glenn (G&G).

Thermal Hyperspectral Imager (top) and Space Ultra-Compact Hyperspectral Imager (bottom)

Hyperspectral Imagers.

Top: The Thermal Hyperspectral Imager (THI) is an airborne thermal-infrared imaging spectrometer that acquires up to 40 spectral measurements in the 8-14 micron atmospheric window, using a Sagnac interferometer to capture the spectral information. Bottom: The Space Ultra-Compact Hyperspectral Imager (SUCHI) is a more compact version of THI that acquires similar data but does so using a Fabry Perot interferometer. Led by Rob Wright.

Standoff Fluorescence Raman and LIBS (SFRLIBS)

Standoff Fluorescence Raman and LIBS (SFRLIBS) Instrument.

Development of the SFRLIBS instrument is led by Anupam Misra and Shiv Sharma. This compact laser-based instrument is suitable for NASA's planetary landers and rovers that will rapidly (0.1 second) search and locate biological materials in a large area from standoff distances (Bio-finder) and then perform chemical analysis by standoff elemental and mineralogical spectroscopy (Chemical Analyzer) using Raman and LIBS.

flyspec instrument


FLYSPEC is a miniaturized UV correlation spectrometer developed by Keith Horton. This portable instrument is being used as an on-site tool for locating sources of volcanic emissions, mapping SO2 concentration levels from volcanic plumes, and as a ground-truth correlation tool for remote sensing systems. The FLYSPEC is significantly smaller, lighter, more portable, and mechanically simpler than prior gas detection instruments. It incorporates real-time GPS and automated calibration. The FLYSPEC has been tuned to be user-friendly, fast, convenient, and rugged.

imaging instrument

Towed Sonar Systems.

HIGP's Hawai‘i Mapping Research Group (HMRG) currently maintains and operates three towed bathymetric sidescan sonar systems: the shallow-towed sidescan sonar MR1 (pictured), the deep-towed sidescan sonar IMI120, and the sidescan sonar IMI30.

sonar instrument

CEROS Synthetic Aperture Sonar.

The HMRG engineering team, led by Mark Rognstad, with industry partner Raytheon Systems and funding from the Center of Excellence for Research in Ocean Science (CEROS) developed a synthetic aperture sonar system designed to combine bottom penetrating 12 kHz sound with the enhanced resolution of synthetic aperture signal processing. Towed behind a ship, it images objects buried as much as a meter deep in sand, over a swath extending 20 meters away from the tow vehicle. Potential applications include marine archeology and unexploded ordinance detection.

For more information on instrument development at HIGP contact: Tayro Acosta-Maeda, Andrea Gabrieli, Paul Lucey, Anupam Misra, Mark Rognstad, Shiv Sharma, and Rob Wright.

Text and images courtesy HIGP.

  Links updated 27 August 2018.

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