Fabrication and characteristics of free-standing shaped pupil masks for TPF-coronagraph

Kunjithapatham Balasubramanian; Pierre M. Echternach; Matthew R. Dickie; Richard E. Muller; Victor E. White; Daniel J. Hoppe; Stuart B. Shaklan; Ruslan Belikov; N. Jeremy Kasdin; Robert J. Vanderbei; Daniel Ceperley; Andrew R. Neureuther

doi:10.1117/12.673251

7 July 2006 Fabrication and characteristics of free-standing shaped pupil masks for TPF-coronagraph

Kunjithapatham Balasubramanian, Pierre M. Echternach, Matthew R. Dickie, Richard E. Muller, Victor E. White, Daniel J. Hoppe, Stuart B. Shaklan, Ruslan Belikov, N. Jeremy Kasdin, Robert J. Vanderbei, Daniel Ceperley, Andrew R. Neureuther

Author Affiliations +

Proceedings Volume 6265, Space Telescopes and Instrumentation I: Optical, Infrared, and Millimeter; 62653N (2006) https://doi.org/10.1117/12.673251
Event: SPIE Astronomical Telescopes + Instrumentation, 2006, Orlando, Florida , United States

Abstract

Direct imaging and characterization of exo-solar terrestrial planets require coronagraphic instruments capable of suppressing star light to 10^-10. Pupil shaping masks have been proposed and designed¹ at Princeton University to accomplish such a goal. Based on Princeton designs, free standing (without a substrate) silicon masks have been fabricated with lithographic and deep etching techniques. In this paper, we discuss the fabrication of such masks and present their physical and optical characteristics in relevance to their performance over the visible to near IR bandwidth.

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Kunjithapatham Balasubramanian, Pierre M. Echternach, Matthew R. Dickie, Richard E. Muller, Victor E. White, Daniel J. Hoppe, Stuart B. Shaklan, Ruslan Belikov, N. Jeremy Kasdin, Robert J. Vanderbei, Daniel Ceperley, and Andrew R. Neureuther "Fabrication and characteristics of free-standing shaped pupil masks for TPF-coronagraph", Proc. SPIE 6265, Space Telescopes and Instrumentation I: Optical, Infrared, and Millimeter, 62653N (7 July 2006); https://doi.org/10.1117/12.673251

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