Large format next generation microshutter arrays for UV/Visible spectroscopy.

Kutyrev, A.; Greenhouse, Matthew A.; Chang, Meng-Ping; Brekosky, Regis P.; Kim, Kyowon; Costen, Nicholas; Kotecki, Carl A.; Ke, Ming; Hu, Gang; Wang, Frederick; Paquette, Beth; Ray, Knute; Fettig, Rainer K.; McCandliss, Stephan R.

doi:10.1117/12.2594969

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“…Our NexGen Micro-Shutter Array (NGMSA) technology eliminates the magnetic actuation aspect, resulting in a shutter array that is scalable to large formats with very low mass, no external mechanical complexity, and no life-limited mechanical components. 1,2 The first step in this evolution utilized electro-pulsed actuation in small 128x64 arrays of 200x100 µm aperture shutter pixels (JWST size) under prior Astrophysics Research and Analysis (APRA) and Goddard Space Flight Center (GSFC) internal investment funding. 3,4 At the current stage we are working on advancing the above state of art to electrostatic actuation in a 736x384 pixel format with two side butt-ability to support the PDAA-recommended NASA projects.…”

Section: Introductionmentioning

confidence: 99%

Scalable microshutter focal plane masks for UV, visible, and infrared spectroscopy

Kutyrev,

Greenhouse,

Chang

et al. 2023

UV, X-Ray, and Gamma-Ray Space Instrumentation for Astronomy XXIII

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The current stage of the project aims to develop a cutting-edge Next-Generation Microshutter Array (NGMSA) device as a spaceflight-qualified field object selector mask for multi-object spectroscopy (MOS). This technological goal is defined by the expectation by the strategic space flight missions large format field selector masks. We present the status of the NGMSA large format arrays from technology readiness level from 3 to 5. The preceding cycle of the development resulted in demonstration of the small format NGMSA technology in the Far-ultraviolet Off Rowland-circle Telescope for Imaging and Spectroscopy (FORTIS) sounding rocket flight. It opened the path to the next stage of the large format arrays. We report on the current status of the arrays fabrication, functional and optical testing, integration and the plans to scalability of the individual devices into the focal plane assembly.

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