Rice University engineers are usually building a portable hyperspectral camera, Tunable Light-Guide Image Processing Snapshot Spectrometer (TuLIPSS), which allows researchers to immediately capture data across the visible plus near-infrared spectrum.

Courtesy: Modern Optical Instrumentation and Bio-Imaging Laboratory/Rice University

To show details impossible to observe with the nude eye, Rice University engineers are usually building a portable spectrometer that can be installed on a small satellite, flown on an jet or a drone or someday actually held in the hand.

Bioengineer Tomasz Tkaczyk great colleagues at Rice’s Brown College of Engineering and Wiess College of Natural Sciences have released the first results from a NASA-funded task to develop a small, sophisticated spectrometer along with unusual versatility.

The fiber portable water filtration array is firmly packed at the input and rearranged into individually addressable rows in the output, with gaps between them to prevent overlap. Spacing the rows enables researchers to tune spatial plus spectral sampling for specific apps, Tkaczyk said.

Ye Wang and her co-workers painstakingly built the prototype, building and positioning the fiber packages by hand. They used scenes close to Rice to test portable water filtration, reconstructing pictures of buildings to fine-tune TuLIPSS and taking spectral images associated with campus trees to “detect” their own species. They also successfully analyzed the fitness of various plants with spectral information alone.

Constant capture images of moving visitors in the Houston neighborhood around Grain University shows how the TuLIPSS spectrometer filters motion blur in powerful situations. The full-color video is really a composite of the filtered spectral information captured by the device. The transportable spectrometer has proven its capability to capture far more data much quicker compared to other fiber-based systems. Courtesy: Contemporary Optical Instrumentation and Bio-Imaging Lab, Rice University

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