Viavi Solutions announced today that it supplied a precision order sorting filter for the Mapping Imaging Spectrometer for Europa (MISE) on the Europa Clipper spacecraft. This instrument is crucial for analysing the surface composition of Jupiter's moon, Europa, to assess the habitability of its subsurface ocean. It will map the distribution of organics, salts, acid hydrates, and water ice phases, according to Viavi.
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Advanced Filter Technology for MISE
The filter, designed to operate in the infrared spectrum (0.8–5 micrometres), integrates photolithographically-patterned bandpass filters, a Linear Variable Filter (LVF), and both optics assembled as a Butcher Block.
Overcoming Technical Challenges
Viavi said it collaborated closely with NASA to overcome technical challenges in developing the precision order-sorting filter. These challenges included addressing the slope of the wavelength progression, ensuring the co-planarity of the assembled optic, accurately placing the LVF center wavelengths relative to the alignment fiducials, and operating in a challenging radiation environment.
"We are honoured to support NASA's mission to explore one of the most intriguing moons in our solar system," said Luke Scrivanich, Senior Vice President and General Manager of Optical Security and Performance at Viavi.
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Europa Clipper
Launched on October 14, 2024, Europa Clipper is expected to reach Jupiter in April 2030. It will conduct 49 flybys of Europa to perform detailed reconnaissance of the moon. Data collected by MISE and other instruments will provide invaluable insights into Europa's potential to support life, according to Viavi.
