Periodically refreshed multiply exposed photorefractive holograms

David Brady, Ken Hsu, Demetri Psaltis

Research output: Contribution to journalArticlepeer-review

64 Scopus citations


We describe a method for increasing the diffraction efficiency of multiply exposed photorefractive holograms by periodic copying. The method is experimentally demonstrated with photorefractive and thermoplastic recording media.

Original languageEnglish (US)
Pages (from-to)817-819
Number of pages3
JournalOptics letters
Issue number14
StatePublished - Jul 15 1990
Externally publishedYes

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics


Dive into the research topics of 'Periodically refreshed multiply exposed photorefractive holograms'. Together they form a unique fingerprint.

Cite this