Digital-holography refractive-index-profile measurement of phase gratings

Anno: 2006

Autori: de Angelis M., De Nicola S., Finizio A., Pierattini G., Ferraro P., Pelli S., Righini G., Sebastiani S.

Affiliazione autori: Istituto di Cibernetica “E. Caianiello” del CNR, Via Campi Flegrei 34, 80078 Pozzuoli (NA), Italy;
CNR – Istituto Nazionale di Ottica Applicata, Via Campi Flegrei 34, 80078 Pozzuoli (NA), Italy;
Istituto di Fisica Applicata, CNR, Via Madonna del Piano 10, 50019 Sesto Firentino (FI), Italy

Abstract: A phase grating is produced in an iron-doped lithium niobate photorefractive crystal by two-beam holographic configuration. Digital holography is used to investigate the two-dimensional profile of index of refraction produced by the photorefractive process. The proposed technique gives a direct and quantitative two-dimensional profile of index of refraction in photorefractive structures, can monitor defects and can be used for in situ visualization during the photorefractive process.

Giornale/Rivista: APPLIED PHYSICS LETTERS

Volume: 88 (11)      Da Pagina: 111114-1  A: 111114-3

Parole chiavi: holography
DOI: 10.1063/1.2186515

Citazioni: 31
dati da “WEB OF SCIENCE” (of Thomson Reuters) aggiornati al: 2024-05-12
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