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Manufacturing an active X-ray mirror prototype in thin glass.

D Spiga1, M Barbera2, A Collura3

  • 1INAF, Osservatorio Astronomico di Brera, Via Bianchi 46, Merate, Italy.

Journal of Synchrotron Radiation
|December 25, 2015
PubMed
Summary
This summary is machine-generated.

This study presents a novel method for creating active X-ray mirrors for astronomy by integrating piezoceramic patches with thin glass foils. This technique allows for precise shape control, crucial for advanced astronomical observations.

Keywords:
X-ray mirrorsactive opticspiezoelectric actuatorsthin glass mirrors

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Area of Science:

  • Optics
  • Materials Science
  • Astrophysics

Background:

  • Adjustable mirrors with piezo actuators are standard at synchrotron and free-electron laser (FEL) beamlines for focusing and focal spot shaping.
  • X-ray mirrors for astronomy are thinner, making traditional piezo actuator application difficult.
  • Alternative methods using tangential strain patches are under investigation.

Purpose of the Study:

  • To develop a novel active X-ray mirror prototype for astronomical applications.
  • To overcome the challenges of integrating piezo actuators with thin astronomical X-ray mirrors.
  • To enable precise shape control of thin X-ray mirrors using active feedback.

Main Methods:

  • Integration of thin glass foils with commercial piezoceramic patches.
  • Development of photolithography-based electrodes for tension signal transmission.
  • Utilizing X-ray feedback in an intra-focal setup for shape detection and voltage control.
  • Manufacturing steps for a functional active mirror prototype.

Main Results:

  • Successful manufacturing of a first active mirror prototype.
  • Demonstration of integrating piezoceramic patches for active mirror control.
  • Establishment of a feedback system driven by X-ray illumination for shape correction.

Conclusions:

  • The developed technique offers a viable solution for active shape control of thin X-ray mirrors.
  • This innovation has the potential to enhance focusing properties and image quality in astronomical instruments.
  • The active mirror prototype represents a significant step towards advanced X-ray optics for space-based observatories.