Optically modulated scatterer and array thereof

Details Optically modulated scatterer and array thereof Optically modulated scatterer and array thereof

2006-07-25

2006-07-25

Nguyen, Hoang V. (Department: 2821)

Optical waveguides

Optical waveguide sensor

C324S096000

Reexamination Certificate

active

07082230

ABSTRACT:
The present optically modulated scatterer comprises a substrate, an antenna positioned on the substrate, an optical switch connected to the antenna, and an optical waveguide connected to the optical switch. The antenna includes a first conductive line and a second conductive line, the optical switch electrically connects the first conductive line and the second conductive line, and the optical waveguide can transmit an optical modulating signal to the optical switch. In addition, the antenna can be a loop-shaped antenna with two free ends, and the optical switch electrically connects the two free ends. The optically modulated scatter array of the present invention comprises a first substrate and a plurality of optically modulated scatterers positioned on the surface of the first substrate in a one-dimensional or a two-dimensional array manner.

REFERENCES:
patent: 4305153 (1981-12-01), King
patent: 2004/0131301 (2004-07-01), Liang et al.
G. Hygate et al., “Measuring microwave fields directly with an optically modulated scatterer,” Mea. Sci. Technol. 1 (1990) pp. 703-709.
W. Liang et al., “A Probe for Making Near-Field Measurements with Minimal Disturbance: The Optically Modulated Scatterer,” IEEE Transactions on Antennas and Propagation, vol., 45, No. 5, May 1997, pp. 772-780.

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