Cleanliness and contamination control strategy for optical payloads of the ANSER-AT mission: a New Space approach

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The ANSER-AT mission utilizes a fractional spectrometer distributed across a CubeSat cluster to monitor atmospheric compounds. By adopting a New Space approach, the project balances rapid, cost-effective development with the stringent cleanliness requirements of precision optical instrumentation. It demonstrates an agile methodology for maintaining mission integrity while overcoming the traditional constraints of small-satellite assembly.