Adjustable grazing incidence x-ray optics: Measurement of actuator influence functions and comparison with modeling

Vincenzo Cotroneo; William N. Davis; Paul B. Reid; Daniel A. Schwartz; Susan Trolier-Mckinstry; Rudeger H.T. Wilke

doi:10.1117/12.895475

Adjustable grazing incidence x-ray optics: Measurement of actuator influence functions and comparison with modeling

Vincenzo Cotroneo, William N. Davis, Paul B. Reid, Daniel A. Schwartz, Susan Trolier-Mckinstry, Rudeger H.T. Wilke

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

16 Scopus citations

Abstract

The present generation of X-ray telescopes emphasizes either high image quality (e.g. Chandra with sub-arc second resolution) or large effective area (e.g. XMM-Newton), while future observatories under consideration (e.g. Athena, AXSIO) aim to greatly enhance the effective area, while maintaining moderate (∼10 arc-seconds) image quality. To go beyond the limits of present and planned missions, the use of thin adjustable optics for the control of low-order figure error is needed to obtain the high image quality of precisely figured mirrors along with the large effective area of thin mirrors. The adjustable mirror prototypes under study at Smithsonian Astrophysical Observatory are based on two different principles and designs: 1) thin film lead-zirconate-titanate (PZT) piezoelectric actuators directly deposited on the mirror back surface, with the strain direction parallel to the glass surface (for sub-arc-second angular resolution and large effective area), and 2) conventional leadmagnesium- niobate (PMN) electrostrictive actuators with their strain direction perpendicular to the mirror surface (for 3-5 arc second resolution and moderate effective area). We have built and operated flat test mirrors of these adjustable optics. We present the comparison between theoretical influence functions as obtained by finite element analysis and the measured influence functions obtained from the two test configurations.

Original language	English (US)
Title of host publication	Optics for EUV, X-Ray, and Gamma-Ray Astronomy V
DOIs	https://doi.org/10.1117/12.895475
State	Published - 2011
Event	Optics for EUV, X-Ray, and Gamma-Ray Astronomy V - San Diego, CA, United States Duration: Aug 23 2011 → Aug 25 2011

Publication series

Name	Proceedings of SPIE - The International Society for Optical Engineering
Volume	8147
ISSN (Print)	0277-786X

Other

Other	Optics for EUV, X-Ray, and Gamma-Ray Astronomy V
Country/Territory	United States
City	San Diego, CA
Period	8/23/11 → 8/25/11

All Science Journal Classification (ASJC) codes

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

Access to Document

10.1117/12.895475

Cite this

Cotroneo, V., Davis, W. N., Reid, P. B., Schwartz, D. A., Trolier-Mckinstry, S., & Wilke, R. H. T. (2011). Adjustable grazing incidence x-ray optics: Measurement of actuator influence functions and comparison with modeling. In Optics for EUV, X-Ray, and Gamma-Ray Astronomy V Article 81471R (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 8147). https://doi.org/10.1117/12.895475

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title = "Adjustable grazing incidence x-ray optics: Measurement of actuator influence functions and comparison with modeling",

abstract = "The present generation of X-ray telescopes emphasizes either high image quality (e.g. Chandra with sub-arc second resolution) or large effective area (e.g. XMM-Newton), while future observatories under consideration (e.g. Athena, AXSIO) aim to greatly enhance the effective area, while maintaining moderate (∼10 arc-seconds) image quality. To go beyond the limits of present and planned missions, the use of thin adjustable optics for the control of low-order figure error is needed to obtain the high image quality of precisely figured mirrors along with the large effective area of thin mirrors. The adjustable mirror prototypes under study at Smithsonian Astrophysical Observatory are based on two different principles and designs: 1) thin film lead-zirconate-titanate (PZT) piezoelectric actuators directly deposited on the mirror back surface, with the strain direction parallel to the glass surface (for sub-arc-second angular resolution and large effective area), and 2) conventional leadmagnesium- niobate (PMN) electrostrictive actuators with their strain direction perpendicular to the mirror surface (for 3-5 arc second resolution and moderate effective area). We have built and operated flat test mirrors of these adjustable optics. We present the comparison between theoretical influence functions as obtained by finite element analysis and the measured influence functions obtained from the two test configurations.",

author = "Vincenzo Cotroneo and Davis, {William N.} and Reid, {Paul B.} and Schwartz, {Daniel A.} and Susan Trolier-Mckinstry and Wilke, {Rudeger H.T.}",

year = "2011",

doi = "10.1117/12.895475",

language = "English (US)",

isbn = "9780819487575",

series = "Proceedings of SPIE - The International Society for Optical Engineering",

booktitle = "Optics for EUV, X-Ray, and Gamma-Ray Astronomy V",

note = "Optics for EUV, X-Ray, and Gamma-Ray Astronomy V ; Conference date: 23-08-2011 Through 25-08-2011",

}

Cotroneo, V, Davis, WN, Reid, PB, Schwartz, DA, Trolier-Mckinstry, S & Wilke, RHT 2011, Adjustable grazing incidence x-ray optics: Measurement of actuator influence functions and comparison with modeling. in Optics for EUV, X-Ray, and Gamma-Ray Astronomy V., 81471R, Proceedings of SPIE - The International Society for Optical Engineering, vol. 8147, Optics for EUV, X-Ray, and Gamma-Ray Astronomy V, San Diego, CA, United States, 8/23/11. https://doi.org/10.1117/12.895475

Adjustable grazing incidence x-ray optics: Measurement of actuator influence functions and comparison with modeling. / Cotroneo, Vincenzo; Davis, William N.; Reid, Paul B. et al.
Optics for EUV, X-Ray, and Gamma-Ray Astronomy V. 2011. 81471R (Proceedings of SPIE - The International Society for Optical Engineering; Vol. 8147).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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T2 - Optics for EUV, X-Ray, and Gamma-Ray Astronomy V

AU - Cotroneo, Vincenzo

AU - Davis, William N.

AU - Reid, Paul B.

AU - Schwartz, Daniel A.

AU - Trolier-Mckinstry, Susan

AU - Wilke, Rudeger H.T.

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AB - The present generation of X-ray telescopes emphasizes either high image quality (e.g. Chandra with sub-arc second resolution) or large effective area (e.g. XMM-Newton), while future observatories under consideration (e.g. Athena, AXSIO) aim to greatly enhance the effective area, while maintaining moderate (∼10 arc-seconds) image quality. To go beyond the limits of present and planned missions, the use of thin adjustable optics for the control of low-order figure error is needed to obtain the high image quality of precisely figured mirrors along with the large effective area of thin mirrors. The adjustable mirror prototypes under study at Smithsonian Astrophysical Observatory are based on two different principles and designs: 1) thin film lead-zirconate-titanate (PZT) piezoelectric actuators directly deposited on the mirror back surface, with the strain direction parallel to the glass surface (for sub-arc-second angular resolution and large effective area), and 2) conventional leadmagnesium- niobate (PMN) electrostrictive actuators with their strain direction perpendicular to the mirror surface (for 3-5 arc second resolution and moderate effective area). We have built and operated flat test mirrors of these adjustable optics. We present the comparison between theoretical influence functions as obtained by finite element analysis and the measured influence functions obtained from the two test configurations.

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ER -

Adjustable grazing incidence x-ray optics: Measurement of actuator influence functions and comparison with modeling

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