volume | PIER Journals

2012-03-21

Spectro-Temporal Mismatch Analysis of a Transmission Line Based on on-Wafer Optical Sampling

Dong-Joon Lee,

Dr. Dong-Joon Lee

Korea Research Institute of Standards and Science

Korea

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Jae-Yong Kwon,

Dr. Jae-Yong Kwon

Korea Res Inst Stand & Sci

South Korea

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Joo-Gwang Lee

Dr. Joo-Gwang Lee

Center for Electromagnetic Metrology

Korea Research Institute of Standard and Science

Korea

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Progress In Electromagnetics Research Letters, Vol. 30, 153-162, 2012

doi:10.2528/PIERL11120505

Abstract

We present an optical sampling technique that enables exploration of mismatches of a microstrip transmission line based on reflection analyses of electromagnetic pulses. The external electro-optic sampling scheme with a minute crystal detects high-speed electrical pulses over arbitrary locations of a line with very low-intrusiveness. The temporal pulsed signals measured with an on-wafer optical probing system and the corresponding spectra are obtained to analyze the transfer characteristics of a microstrip transmission line with 20 GHz bandwidth. The spectro-temporal response was cross-checked with commercial instruments. Applications of this optical probing technique to explore mismatches at the terminal port - based on both time and frequency domain reflectometry analyses - are also presented.

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Dong-Joon Lee, Jae-Yong Kwon, and Joo-Gwang Lee, "Spectro-Temporal Mismatch Analysis of a Transmission Line Based on on-Wafer Optical Sampling," Progress In Electromagnetics Research Letters, Vol. 30, 153-162, 2012.
doi:10.2528/PIERL11120505

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