Two-center holographic recording in highly doped LiNbO3 crystals

Autor: A. Makhmalbaf, George H. Cadena, Ali Adibi, Omid Momtahan
Rok vydání: 2008
Předmět:
Zdroj: Applied Physics B. 90:519-525
ISSN: 1432-0649
0946-2171
DOI: 10.1007/s00340-008-2929-2
Popis: In this paper, we report the observation of electron tunneling during two-center recording in LiNbO3:Fe:Mn doped with high Fe concentration. Unlike tunneling in the singly doped lithium niobate that erases the hologram, the effect in two-center recording can improve the diffraction efficiency of the hologram after the recording while it is kept in the dark. A detailed study of this effect in LiNbO3:Fe:Mn is presented both theoretically and experimentally. We show that the hologram strength may increase or decrease due to tunneling, depending on the experimental condition of recording.
Databáze: OpenAIRE