Revealing Hidden Diffractors By Correlation Measurements

A. S. Glass; K. M. Jauch; E. R. Pike; J. Rarity

doi:10.1117/12.943707

27 March 1985 Revealing Hidden Diffractors By Correlation Measurements

A. S. Glass, K. M. Jauch, E. R. Pike, J. Rarity

Proceedings Volume 0492, 1984 European Conf on Optics, Optical Systems, and Applications; (1985) https://doi.org/10.1117/12.943707
Event: 1984 European Conference on Optics, Optical Systems and Applications, 1984, Amsterdam, Netherlands

Abstract

New results are presented which confirm the feasibility of detecting hidden diffracting structures by measuring the correlation of the far-zone scattered field. In particular, diffraction gratings were masked by random phase diffusers bonded to their surfaces, which precluded exploiting the usual temporal fluctuations which arise whenever the diffractor and diffuser are in relative motion. Instead, it was necessary to scan the quasistationary, broadly distributed speckle patterns spatially. Good agreement between the propagation theory for first-order field statistics and the experimental results was obtained with regard to the dependence on the geometric scanning parameters. Moreover, the dependence of the measured correlations on grating period and diffuser correlation length showed satisfactory agreement with the theory and allowed inferences to be made about nature of the diffuser statistics.

Citation Download Citation

A. S. Glass, K. M. Jauch, E. R. Pike, and J. Rarity "Revealing Hidden Diffractors By Correlation Measurements", Proc. SPIE 0492, 1984 European Conf on Optics, Optical Systems, and Applications, (27 March 1985); https://doi.org/10.1117/12.943707

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available