Thermally-actuated reflection mode asymmetric Fabry-Perot modulator utilizing a thin transparent elastomeric film

John A. Rogers, Olivier J.A. Schueller, George M. Whitesides

Research output: Contribution to journalArticlepeer-review

Abstract

This letter describes a thermally-actuated reflection mode asymmetric Fabry-Perot modulator that consists of a thin transparent elastomeric film bounded by partially and highly reflecting metallic mirrors. The thickness of the transparent layer determines the intensity of light reflected from the modulator; changes in its thickness modulate the reflectivity. Electrical current flowing through the highly reflecting mirror provides a source of heat for controlling, by thermal expansion, the thickness of the elastomeric film. Modulators with this design show contrast ratios >15dB and insertion losses <0.3dB.

Original languageEnglish (US)
Pages (from-to)1951-1953
Number of pages3
JournalApplied Physics Letters
Volume72
Issue number16
DOIs
StatePublished - 1998

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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