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The spherical fourier cell and application for true-time delay

Rabb, David J
http://rave.ohiolink.edu/etdc/view?acc_num=osu1197045216

Abstract Details

2008, Doctor of Philosophy, Ohio State University, Electrical Engineering.
In this dissertation a new optical system is introduced, called a Spherical Fourier Cell. The Spherical Fourier Cell was originally developed in an effort to further compact an optical true-time delay system. The Fourier Cell could be used for a number of optical signal processing applications, but here the focus is on its application for true-time delay. The optical configuration for the system is given and properties explained, including delay optics. A bulk optic design is given with modeling results for a system with 900 input beams, providing 64 delays from 0 to 19.7 ns, in a volume of 54 cubic inches. A simplified version of the bulk optic system implementing two of six possible delay paths is designed for a bench top system demonstration. Measurements of delays, loss and crosstalk are given. In an effort to make fabrication of a full design more feasible, a micro-fabricated approach is introduced. This reduces the number of components from ~400 to three wafers with surfaces etched on them. The system provides 576 elements 64 delays from 0 to 9.85 ns, in a volume of 15 cubic inches. Variations of the design are given with modeling results, as well as preliminary system tolerances.
Betty Lise Anderson (Advisor)
121 p.
optical time delay; Fourier optics; optical signal processing; phased array antennas

Recommended Citations

Citations

  • Rabb, D. J. (2008). The spherical fourier cell and application for true-time delay [Doctoral dissertation, Ohio State University]. OhioLINK Electronic Theses and Dissertations Center. http://rave.ohiolink.edu/etdc/view?acc_num=osu1197045216

    APA Style (7th edition)

  • Rabb, David. The spherical fourier cell and application for true-time delay. 2008. Ohio State University, Doctoral dissertation. OhioLINK Electronic Theses and Dissertations Center, http://rave.ohiolink.edu/etdc/view?acc_num=osu1197045216.

    MLA Style (8th edition)

  • Rabb, David. "The spherical fourier cell and application for true-time delay." Doctoral dissertation, Ohio State University, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=osu1197045216

    Chicago Manual of Style (17th edition)

osu1197045216
748
© 2007, all rights reserved.
This open access ETD is published by The Ohio State University and OhioLINK.