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Title: Astronomy - Astronomical Optical Interferometry The use of multiple telescopes to produce high resolution images - commonly used at most modern observatories. A literature review article.
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Astronomical Optical Interferometry

A Literature Review by Bob Tubbs

St John's College Cambridge

April 1997 - updated 2002

  Abstract This report documents the development of optical interferometry and provides a physical explanation of the processes involved. It is based upon scientific papers published over the last 150 years, and I have included references to the ones which are most relevant. The reader is assumed to have an understanding of modern optical theory up to undergraduate level - References 28 and 29 give explanations at a more basic level. The formation of images from interferometric measurements is discussed and several example images are included. Introduction Fizeau first suggested that optical interferometry might be used for the measurement of stellar diameters at the Academie des Sciences in 18671. The short wavelength of light and the absence of sensitive calibrated detectors precluded more sophisticated interferometric measurements in the optical spectrum for over a century. After the Second World War most researchers instead turned to the radio spectrum, where macroscopic wavelengths and electronic detection greatly simplified the measurement of interferometric quantities. Modern computers, lasers, optical detectors and the data processing techniques developed for radio interferometry have recently enabled astronomers to produce high resolution images with optical arrays. At present only a few optical interferometer arrays are capable of image formation but many more are planned or under construction. The basic principles underlying the operation of optical interferometers have not changed, so I begin with a look at some of the earliest instruments. Notes: Superscript numbers (e.g. 1) link to the References section of this report and relate to relevant reference numbers. All unusual symbols are presented as GIF images. For a more detailed description of astronomical optical interferometry I would recommend this review article by John Monnier (68 pages). Contents Early Optical Interferometry. Development of Radio Interferometry. Modern Optical Interferometry. Conclusions. References. My thesis on Lucky Imaging has recently been reprinted as a book by VDM:

Lucky Exposures: Diffraction Limited Astronomical Imaging through the Atmosphere.

Covers developments between 2000 and 2003 for using Lucky Imaging / Video Astronomy at large telescopes. A reprint of my Ph.D. thesis. Published by VDM Verlag Dr Muller, Dudweiler Landstr. 125a, 66123 Saarbrucken, Germany.ISBN-13: 978-3836497695. External Links Interferometry Links at JPL. Download milestone papers/articles on optical interferometry technology Other recent reviews of optical interferometry are listed as references 30-33. My interferometry page and thesis. Download statistics for this page About Bob Tubbs. GFDLcontent The work on this page is licensed under the GNU Free Documentation License. The author states that the text and images can be used within the restrictions of this license (for example, they can be incorporated into certain free encyclopedias such as Wikipedia). Please add a footer like this to your own webpages to promote free access to knowledge (see Wikipedia's instructions). geovisit();setstats 1
 

The

use

of

multiple

telescopes

to

produce

high

resolution

images

-

commonly

used

at

most

modern

observatories.

A

literature

review

article.

http://www.geocities.com/CapeCanaveral/2309/page1.html

Astronomical Optical Interferometry 2008 October

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The use of multiple telescopes to produce high resolution images - commonly used at most modern observatories. A literature review article.

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