Abstract
The use of an asymmetric Mach-Zender interferometric amplitude modulator to measure a relatively low frequency electric field strength is described. The sensitiviy of an electric field sensor using a Ti: LiNbO3 optical modulator is strongly affected by the shape of a electrode (probe antenna). To measure the low frequency electric field, a probe antenna of wide effective area is more useful than the usual dipole antenna. As proof of this, the optical modulator was fabricated with a plate-type probe antenna and the usefulness of this antenna tested for measuring low frequency electric field strength.
| Original language | English |
|---|---|
| Pages (from-to) | 137-140 |
| Number of pages | 4 |
| Journal | IEE proceedings. Part J, Optoelectronics |
| Volume | 140 |
| Issue number | 2 |
| DOIs | |
| Publication status | Published - Jan 1 1993 |
| Externally published | Yes |
ASJC Scopus subject areas
- Engineering(all)
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Choi, Y. K., Sanagi, M., & Nakajima, M. (1993). Measurement of low frequency electric field using Ti: LiNbO3 optical modulator. IEE proceedings. Part J, Optoelectronics, 140(2), 137-140. https://doi.org/10.1049/ip-j.1993.0023