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Real-time Applications using AOTF Hyperspectral Imagers
Brimrose has announced its introduction of a new series of Acousto-Optic Tunable Filter (AOTF) video adapters. These Adapters are designed for both visible and NIR spectra imaging. Brimrose AOTF hyperspectral imager modules enhance image quality and reduce distortion in imaging and spectroscopy, biomedical and semiconductor applications, environmental monitoring and remote sensing.
AOTF Hyperspectral Imager Demos - Success Results
These video demonstrations show you some real-time industrial applications using AOTF Hyperspectral Imagers.
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Videos Descriptions
AOTF Microscope Image over Visible Spectrum

This demonstration includes two Microscope Imager videos:
  • Brimrose's AOTF Visible Imager is scanning the stem of a pine tree
  • Brimrose's AOTF Visible Imager is scanning the epidermis of an onion across the visible spectrum
Download video for viewing offline: MP4 | OGG | WEBM Format.
AOTF Visible Camera

From this demonstration of our AOTF Visible Imager, you can see that letters were
printed with different color inks. They visibly fade and reappear depending on the
spectrum of their particular colors as the imager sweeps across the visible range.
Download video for viewing offline: MP4 | OGG | WEBM Format.
AOTF Hyperspectral Imager used to Watertower at Different Wavelength

This demo of Brimrose's AOTF SWIR Imager scanning across 900-1700nm (or 950-1400nm). Spectral peaks can be seen for the overhead clouds.
Download video for viewing offline: MP4 | OGG | WEBM Format.
Brimrose's AOTF SWIR Imaging System Used to Scan Various Liquid Samples

Brighter pixels reflect higher transmission spectral values. Acquisition speed of the system was 30 fps (video includes pauses at spectral peaks), with 200 total spectral points collected. A graph of the samples' center-weighted spectra is given at the end of the video. Differing absorption/transmission bands of the samples can be clearly seen, especially between water-based and oil-based groups.
Download video for viewing offline: MP4 | OGG | WEBM Format.
Comparison of Results with and without AOTF ImagerView Details
  • 400-650nm AOTF Visible Imager System
  • AOTF Biological Imager System - Microscope Images at Various Wavelengths
  • Clouds over 950-1400nm AOTF SWIR Imager
  • AOTF Vapor/Gas Imaging: Vapor Emissions at 1/2 kilometer over Wavelength Band of
    900-1700nm
  • Watertower 900-1700nm AOTF Hyperspectral Imager at 1km Distance
For more information, please contact us at

19 Loveton Circle
Hunt Valley Loveton Center
Sparks, Maryland 21152-9201 USA
Tel:   +1 (410) 472-7070
Fax: +1 (410) 472-7960
E-mail: office@brimrose.com