Bibliographic Details
| Title: |
Development of a digital astronomical intensity interferometer: laboratory results with thermal light. |
| Authors: |
Matthews, Nolan1 nolankmatthews@gmail.com, Kieda, David1, LeBohec, Stephan1 |
| Source: |
Journal of Modern Optics. Jul2018, Vol. 65 Issue 11, p1336-1344. 9p. |
| Subjects: |
Intensity interferometers, Coherence (Optics), Light sources, Optical polarization, Telescopes, Thermal analysis |
| Abstract: |
We present measurements of the second-order spatial coherence function of thermal light sources using Hanbury-Brown and Twiss interferometry with a digital correlator. We demonstrate that intensity fluctuations between orthogonal polarizations, or at detector separations greater than the spatial coherence length of the source, are uncorrelated but can be used to reduce systematic noise. The work performed here can readily be applied to existing and future Imaging Air-Cherenkov Telescopes used as star light collectors for stellar intensity interferometry to measure spatial properties of astronomical objects. [ABSTRACT FROM AUTHOR] |
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| Database: |
Engineering Source |
