Angle-multiplexed hologram storage in LiNbO3:Tb, Fe

Myeongkyu Lee, Shunji Takekawa, Yasunori Furukawa, Kenji Kitamura, Hideki Hatano, Shiquan Tao

Research output: Contribution to journalArticlepeer-review

21 Citations (Scopus)


We have performed hologram multiplexing with a cw laser at λ = 532 nm in a near-stoichiometric LiNbO3 :Tb, Fe crystal that exhibits a visible absorption band induced by UV light. When 50 plane-wave holograms were angle multiplexed from the UV preexposed state, the recording sensitivity gradually decreased, owing to bleaching of the induced absorption. However, a conventional recording schedule of multiplexing many holograms of equal diffraction efficiency can be used in this photochromic material. The gradual decrease in recording sensitivity throughout multiplexing can be compensated for by the increased erasure-time constants of later-written holograms. An M/# of 1.73 was obtained in a crystal of 3.3-mm thickness.

Original languageEnglish
Pages (from-to)1337-1339
Number of pages3
JournalOptics Letters
Issue number18
Publication statusPublished - 2000 Sept 15

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics


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