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Conferences > OFC > 1993 > ThC > ThC6
  • Conference on Optical Fiber Communication/International Conference on Integrated Optics and Optical Fiber Communication
  • 1993 OSA Technical Digest Series (Optica Publishing Group, 1993),
  • paper ThC6
  • •https://doi.org/10.1364/OFC.1993.ThC6

Continuously variable true-time-delay modulator

J. L. Dexter, R. D. Esman, M. J. Monsma, and D. C. Cooper

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Abstract

Distortion in wide-band phase-sensitive signal-processing systems is introduced by phase shifters that nominally operate independently of frequency. With phased-array antennas, pulse distortion and undesirable shifting in the beam angle (beam squinting) are experienced when the instantaneous bandwidth is large or the frequency is changed. True-time-delay modulators (TTDM’s) properly introduce phase shifts that are linearly proportional to frequency and eliminate these errors.

© 1993 Optical Society of America

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