Bertolotti, M. and Carnevale, M. and Crosignani, B. and Di Porto, P. (1969) Influence of Thermal Turbulence in a Convective Ascending Stream on Phase Fluctuations of a Laser Beam. Applied Optics, 8 (6). pp. 1111-1114. ISSN 0003-6935. doi:10.1364/AO.8.001111. https://resolver.caltech.edu/CaltechAUTHORS:20170814-064557492
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Abstract
The effects of thermal turbulence on the phase fluctuations of a laser beam are investigated in laboratory. The turbulent region created by means of a horizontal heated Nichrome grid is made to shift upwards owing to the convective motion. A Mach-Zehnder interference experiment is performed in which two beams from a laser source are superimposed after crossing the turbulent region. The displacements of the fringe pattern allow one to study the temporal decay of the mean square refractive index fluctuation. An interpretation of the results is given on the basis of the theory of an isotropic turbulent scalar field.
| Item Type: | Article | |||||||||
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| Additional Information: | © 1969 Optical Society of America. Received 13 November 1968. We wish to thank D. Sette for having pointed out the problem. The technical assistance of E. Bezzi is gratefully acknowledged. This work was partially supported by the Italian National Council of Research. | |||||||||
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| Issue or Number: | 6 | |||||||||
| DOI: | 10.1364/AO.8.001111 | |||||||||
| Record Number: | CaltechAUTHORS:20170814-064557492 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20170814-064557492 | |||||||||
| Official Citation: | M. Bertolotti, M. Carnevale, B. Crosignani, and P. Di Porto, "Influence of Thermal Turbulence in a Convective Ascending Stream on Phase Fluctuations of a Laser Beam," Appl. Opt. 8, 1111-1114 (1969) | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 80333 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Ruth Sustaita | |||||||||
| Deposited On: | 14 Aug 2017 16:44 | |||||||||
| Last Modified: | 15 Nov 2021 19:29 |
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