VIAVI Solutions Inc. announced on March 13, 2025, its contribution to NASA's Spectro-Photometer for the History of the Universe, Epoch of Reionization, and Ices Explorer (SPHEREx) mission, which launched on March 11, 2025. This groundbreaking endeavor, led by NASA's Jet Propulsion Laboratory (JPL) and Caltech, will conduct the first all-sky spectral survey in the near-infrared range.
VIAVI's state-of-the-art optical components are crucial to the SPHEREx spectrometer's ability to capture and analyze faint infrared signals, which is essential for developing a comprehensive spectral map. The company supplied Linear Variable Filters that split wavelengths of light from 0.75-5.0µm, matched with six precision 2k x 2k detectors. Additionally, VIAVI's dichroic beamsplitter reflects 0.75-2.6µm and transmits 2.6-5.0µm, dividing incoming light to two detector banks.
Luke Scrivanich, Senior Vice President and General Manager, Optical Security and Performance, VIAVI, congratulated the NASA, JPL, and Caltech teams, emphasizing the collaboration and overcoming technical challenges to push the boundaries of excellence for precision optical filters. The SPHEREx spectrophotometer design builds on VIAVI's contributions to previous space missions, including the LEISA instrument on New Horizons and the MISE instrument on Europa Clipper.
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