Shaped pupil coronagraphs for planet finding: Optimization, manufacturing, and experimental results

N. Jeremy Kasdin; Ruslan Belikov; James Beall; Robert J. Vanderbei; Michael G. Littman; Michael Carr; Amir Give'on

doi:10.1117/12.617768

Shaped pupil coronagraphs for planet finding: Optimization, manufacturing, and experimental results

N. Jeremy Kasdin, Ruslan Belikov, James Beall, Robert J. Vanderbei, Michael G. Littman, Michael Carr, Amir Give'on

Research output: Contribution to journal › Conference article › peer-review

17 Scopus citations

Abstract

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 λ/D and 10 ^-5 contrast at 4 λ/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.

Original language	English (US)
Article number	59050G
Pages (from-to)	1-9
Number of pages	9
Journal	Proceedings of SPIE - The International Society for Optical Engineering
Volume	5905
DOIs	https://doi.org/10.1117/12.617768
State	Published - 2005
Event	Techniques and Instrumentation for Detection of Exoplanets II - San Diego, CA, United States Duration: Aug 2 2005 → Aug 4 2005

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Computer Science Applications
Applied Mathematics
Electrical and Electronic Engineering

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10.1117/12.617768

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abstract = "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 λ/D and 10 -5 contrast at 4 λ/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.",

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T2 - Techniques and Instrumentation for Detection of Exoplanets II

AU - Kasdin, N. Jeremy

AU - Belikov, Ruslan

AU - Beall, James

AU - Vanderbei, Robert J.

AU - Littman, Michael G.

AU - Carr, Michael

AU - Give'on, Amir

PY - 2005

Y1 - 2005

N2 - 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 λ/D and 10 -5 contrast at 4 λ/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.

AB - 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 λ/D and 10 -5 contrast at 4 λ/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.

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Shaped pupil coronagraphs for planet finding: Optimization, manufacturing, and experimental results

Abstract

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