Shaped Pupil Coronagraphs for Planet Finding: Optimization, Manufacturing, and Experimental Results
Jeremy Kasdin, Ruslan Belikov, James A. Beall, Robert J. Vanderbei, Michael G. Littman, Michael Carr, Amir Give''on
Current plans call for the first Terrestrial Planet Finder mission, TPF-C, to be a monolithic space telescope with a coronagraph for achieving high contrast. Our group at Princeton pioneered the concept of shaped pupils for high contrast imaging and planet detection. In previous papers we introduced a number of families of optimal shaped pupils in square, circular, and elliptical apertures. Here, we show our most promising designs and present our laboratory results for the elliptical shaped pupil. We are currently achieving better than 10?7 contrast at 10 ?/D and 10?5 contrast at 4 ?/D, without wavefront control. We describe the deep ion etching manufacturing process to make free standing masks. We also discuss what is limiting contrast in the laboratory and our progress in wavefront correction.
Proc., SPIE Conference on Optical Engineering and Instrumentation
July 31-August 4, 2005
San Diego, CA, USA
Conference on Optical Engineering and Instrumentation
coronagraph, MEMS, shaped pupil, terrestrial planet finder
, Belikov, R.
, Beall, J.
, Vanderbei, R.
, Littman, M.
, Carr, M.
and Give''on, A.
Shaped Pupil Coronagraphs for Planet Finding: Optimization, Manufacturing, and Experimental Results, Proc., SPIE Conference on Optical Engineering and Instrumentation, San Diego, CA, USA, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=32061
(Accessed December 1, 2023)