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| Paper: |
UV Grating Development for the Habitable Worlds Observatory |
| Monograph: |
11, HWO25 Proceedings Part II: Mission Framework, Technology, and Broader Contributions |
| Page: |
299 |
| Authors: |
Drew M. Miles, Randall L. McEntaffer, Fabien Grisé, Jake McCoy, Brian Fleming, Kevin France, Nicholas Kruczek, Stephan McCandliss, Mackenzie Carlson, Casey DeRoo, and Keri Hoadley |
| DOI: |
10.26624/EZJG1240 |
| Abstract: |
The Habitable Worlds Observatory (HWO) is a NASA flagship mission that baselines several UV spectroscopic instrument modes. As part of the Great Observatories Maturation Program to develop the HWO mission and component technologies, technology development programs are underway to develop next-generation UV diffraction gratings with electron-beam lithography (EBL). The first UV EBL gratings have shown improved diffraction efficiency and scatter performance relative to the previous state of the art and have helped enable new, aberration-correcting grating designs for a variety of UV instrument applications. Here we provide an overview of recent UV results from EBL gratings, outline the development plan for the coming years, and highlight planned instruments that will leverage EBL gratings on upcoming missions. |
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