Speckle interferometry by partial coherent beam

H. Tajalli; M. Sahrai; D. Jafari

doi:10.1117/12.516579

27 May 2003 Speckle interferometry by partial coherent beam

H. Tajalli, M. Sahrai, D. Jafari

Proceedings Volume 4933, Speckle Metrology 2003; (2003) https://doi.org/10.1117/12.516579
Event: Speckle Metrology 2003, 2003, Trondheim, Norway

Abstract

By using new theoretical point of view on cross-spectral density function of the field, the propagation of partially coherent beam produce by a plane source is investigated. Then we show, experimentally, the coherence length in the source plane can be measured directly from the far zone intensity distribution. The effects of the size and coherence of the source on beam directionality will be discussed. Our experimental results will be compared with the special case when the beam is the Gaussian Schell-Model type and it is shown that our prediction has a good agreement.

Citation Download Citation

H. Tajalli, M. Sahrai, and D. Jafari "Speckle interferometry by partial coherent beam", Proc. SPIE 4933, Speckle Metrology 2003, (27 May 2003); https://doi.org/10.1117/12.516579

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