Theory and calibration of speckle dynamics of phase object / Vladimirov A.P., Druzhinin A.V., Malygin A.S., Mikitas K.N. // Progress in Biomedical Optics and Imaging - Proceedings of SPIE. - 2012. - V. 8337, l. .

ISSN:
16057422
Type:
Conference Paper
Abstract:
The optical system consisting of a laser, a thin three-dimensional diffuser, lens and image plane of the diffuser was considered. Theoretically the dynamics of speckle, which arises when you make a dynamic phase object between the diffuser and the lens was investigated. An expressions for the time correlation function and time spectral function of intensity of the scattered radiation was obtained. It is shown that output of the correlation function on the plateau, the peak position and width of the spectral function are the values by which one can control the parameters of the dynamic phase object. In the experiment, the dynamics of speckles by moving the glass plate having surface roughness Ra = 0,01 μm was created. The correctness of the formulas for the time autocorrelation function was tested. It is shown that variations in the optical path lengths found from the plateau value and roughness differ by 5%.?he possibility of applying the theoretical results for the control of biological and technical objects are discussed. © 2012 SPIE.
Author keywords:
Experiment; Image plane; Phase object; Speckle dynamics; Theory; Time correlation and spectral functions
Index keywords:
Image plane; Phase object; Speckle dynamics; Theory; Time correlations; Dynamics; Experiments; Laser theory; Optical instruments; Optical systems; Spectroscopy; Surface roughness; Three dimensional; S
DOI:
10.1117/12.924800
Смотреть в Scopus:
https://www.scopus.com/inward/record.uri?eid=2-s2.0-84858678481&doi=10.1117%2f12.924800&partnerID=40&md5=de872020bad107d91cc2845814e885d8
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Art. No. 83370C
Link https://www.scopus.com/inward/record.uri?eid=2-s2.0-84858678481&doi=10.1117%2f12.924800&partnerID=40&md5=de872020bad107d91cc2845814e885d8
Affiliations Department of Russian Academy of Science, Institute of Engineering Science of Ural, Yekaterinburg, Russian Federation; Department of Russian Academy of Science, Institute of Metal Physics of Ural, Yekaterinburg, Russian Federation; Ural Federal University, Yekaterinburg, Russian Federation
Author Keywords Experiment; Image plane; Phase object; Speckle dynamics; Theory; Time correlation and spectral functions
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Correspondence Address Vladimirov, A.P.; Department of Russian Academy of Science, Institute of Engineering Science of Ural, Yekaterinburg, Russian Federation
Sponsors Russian Foundation for Basic Research;Russian Academy of Sciences;(CRDF);Saratov State University SPIE Student Chapter;Optical Society of America (OSA)
Conference name Saratov Fall Meeting 2011: Optical Technologies in Biophysics and Medicine XIII
Conference date 27 September 2011 through 30 September 2011
Conference location Saratov
Conference code 89041
ISBN 9780819489944
Language of Original Document English
Abbreviated Source Title Progr. Biomed. Opt. Imaging Proc. SPIE
Source Scopus