| Autor: |
Sincerbox, G. T., Gordon, J. C. |
| Zdroj: |
Applied Optics; April 1981, Vol. 20 Issue: 8 p1491-1496, 6p |
| Abstrakt: |
An optical modulator is described which offers several advantages in terms of speed, aperture size, and ease of operation over other techniques for amplitude modulation of a collimated light beam. This simple device consists of a prism separated from a metallically reflecting surface by a small micron-size gap. Varying the gap thickness changes the intensity of the light reflected off the base of the prism. The prism acts as a coupler for the excitation of surface plasmons on the metallic surface. This paper explains the principle of operation and presents experimental results obtained on a simple realization of the device. |
| Databáze: |
Supplemental Index |
| Externí odkaz: |
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