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Aperture Synthesis

Methods and Applications to Optical Astronomy

  • Textbook
  • © 2011

Overview

Authors:
  1. Swapan Kumar Saha

    1. Indian Institute of Astrophysics, Bangalore, India

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  • Discusses the fundamentals of electromagnetic fields, wave optics, interference, diffraction, and imaging at length
  • Deals with the fundamentals of stellar interferometry
  • Includes more than 100 illustrations
  • Includes supplementary material: sn.pub/extras

Part of the book series: Astronomy and Astrophysics Library (AAL)

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Table of contents (9 chapters)

  1. Front Matter

    Pages i-xxiii
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  2. Introduction to Wave Optics

    • Swapan Kumar Saha
    Pages 1-29

  3. Principles of Interference

    • Swapan Kumar Saha
    Pages 31-49

  4. Applications of Interferometry

    • Swapan Kumar Saha
    Pages 51-114

  5. Single-dish Diffraction-limited Imaging

    • Swapan Kumar Saha
    Pages 115-164

  6. Diluted-aperture Stellar Interferometry

    • Swapan Kumar Saha
    Pages 165-203

  7. Basic Tools and Technical Challenges

    • Swapan Kumar Saha
    Pages 205-252

  8. Discrete-Element Interferometers

    • Swapan Kumar Saha
    Pages 253-298

  9. Image Recovery

    • Swapan Kumar Saha
    Pages 299-323

  10. Astronomy with Diluted Aperture Interferometry

    • Swapan Kumar Saha
    Pages 325-410

  11. Back Matter

    Pages 411-466
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Keywords

About this book

This book deals with the fundamentals of stellar interferometry with emphasis on aperture synthesis using sparse array of telescopes particularly at optical/IR wavelengths, the origin, properties, and optical effects of turbulence in the Earth's atmosphere, techniques developed to overcome image degradation. Studded with more than one hundred and fifty illustrations and tens of footnotes, it addresses the basic tricks of trade, current trend, motivation, methods, and path to future promise of true interferometry both from the ground and space. Also discussed are the technical challenge involved, such as beam transportation and recombination, detecting fringes using modern sensors, and image synthesis. Astronomical science that benefits from aperture synthesis imaging are highlighted as well.

Authors and Affiliations

  • Indian Institute of Astrophysics, Bangalore, India

    Swapan Kumar Saha

About the author

Professor S. K. Saha is with the Indian Institute of Astrophysics in Bangalore, India. He has spent one year (1988-89) at the Observatoire de la Cote d'Azur (formerly C.E.R.G.A) in Caussols, France. During this year he conducted research on the high angular features of stars, using the long baseline topical interferometer with a pair of 1.5 meter telescopes. He has a strong interest in Experimental Physics and has developed various equipment in the area. He is the author of the book Diffraction-Limited Imaging with Large and Moderate Telescopes (World Scientific, 2007). Another book, 21st Century Astrophysics (Anita Publications, 2005, with V. K. Rastogi (Ed.)) was brought out to commemorate Einstein's "Year of Miracles," which contains a set of articles written by reputed scientists working at the various laboratories across the Globe. Saha has edited a special issue of Asian J. Physics on 'Astrophysics" in 2004.

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