Variable phase retarder made of a dielectric elastomer actuator

Markus Beck, Reto Fiolka, Andreas Stemmer

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

We present a polymeric optical phase retarder that is electrically tunable by a dielectric elastomer actuator. The soft material device affords a large tuning range (14π at λ= 488 nm) combined with high accuracy in optical path length and low drift rate (8.3 nm/min). Furthermore, the phase retarder is not sensitive to polarization, introduces a wavefront distortion <λ/30, and tolerates high power densities (>141 kW/cm2). We show the dynamics for periodic phase modulation and demonstrate a simple drive technique for fast phase stepping. The polymer-based device is inexpensive, easy to fabricate, and its design can be adapted to specific applications.

Original languageEnglish (US)
Pages (from-to)803-805
Number of pages3
JournalOptics Letters
Volume34
Issue number6
DOIs
StatePublished - Mar 15 2009

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retarders
elastomers
actuators
drift rate
optical paths
phase modulation
tuning
polymers
polarization

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Variable phase retarder made of a dielectric elastomer actuator. / Beck, Markus; Fiolka, Reto; Stemmer, Andreas.

In: Optics Letters, Vol. 34, No. 6, 15.03.2009, p. 803-805.

Research output: Contribution to journalArticle

Beck, Markus ; Fiolka, Reto ; Stemmer, Andreas. / Variable phase retarder made of a dielectric elastomer actuator. In: Optics Letters. 2009 ; Vol. 34, No. 6. pp. 803-805.
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