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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 24, Iss. 4 — Apr. 1, 2006
  • pp: 1886–

Binary Optical True-Time Delay Based on the White Cell: Design and Demonstration

Betty Lise Anderson, David J. Rabb, Carolyn M. Warnky, and Feras Abou-Galala

Journal of Lightwave Technology, Vol. 24, Issue 4, pp. 1886- (2006)


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Abstract

An optical true-time delay device that uses a binary counting system in a modified White cell is demonstrated. The switching engine uses four spherical mirrors and a three-state digital micromirror array. The delay part, as designed, provides 6 bits of delay ranging from 78 ps to 5 ns, using a combination of dielectric blocks for short delays and lens trains for longer ones. Long lens trains are folded for compactness. The authors describe the design and demonstrate two of the 6 bits of delays experimentally. Delays were accurate to within the measurement resolution of 1.25 ps. The insertion loss varied from 3.1-5.2 dB, depending on delay. It was found that the micromirrors do not contribute significantly to the loss.

© 2006 IEEE

Citation
Betty Lise Anderson, David J. Rabb, Carolyn M. Warnky, and Feras Abou-Galala, "Binary Optical True-Time Delay Based on the White Cell: Design and Demonstration," J. Lightwave Technol. 24, 1886- (2006)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-24-4-1886

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