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Optica Publishing Group
  • Quantum Electronics and Laser Science Conference
  • OSA Technical Digest (Optica Publishing Group, 1989),
  • paper JH4

Optoelectronically generated transient radiation for broadband microwave measurements

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Abstract

Picosecond photoconductive pulse generation and sampling have found increased application in the characterization of high speed devices and circuits.1 We present a different application of picosecond photoconductivity, namely, broadband microwave measurements with optoelectronically generated, freely propagating, transient radiation. Based on integrated antennas to launch and receive electromagnetic pulses, this quasioptical technique is useful for characterizing the complex dielectric constants of materials over a wide frequency range in a single measurement. Currently, dielectric measurements are carried out at discrete frequencies where sources and related hardware are available and often require a different experimental configuration for each frequency.2

© 1989 Optical Society of America

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