Image focusing properties in reconstructing digital holograms
Anno: 2005
Autori: Alfieri D., Coppola G., De Nicola S., Ferraro P., Finizio A., Grilli S., Pierattini G., Striano V.
Affiliazione autori: Istituto Nazionale di Ottica Applicata, Via Campi Flegrei 34, 80078 Pozzuoli (NA), Italy;,
Istituto di Cibernetica “E. Caianiello” del CNR, Via Campi Flegrei 34, 80078 Pozzuoli (NA), Italy;
Istituto per la Microelettronica e i Microsistemi del CNR, Via P. Castellino 111, 80134 Napoli, Italy
Abstract: A two stage method for allowing direct perfect superimposition and comparison of Fresnel-transform reconstructions of digital holograms recorded at different wavelengths is proposed and demonstrated. The method allows to adjust the size of the reconstruction pixel by varying the reconstruction distance of the first stage. Demonstration is given by superimposing in focus numerical reconstructions of holograms recorded at different wavelengths. The method can be potentially very useful for real-time monitoring in biological processes.
Giornale/Rivista: PROCEEDINGS OF SPIE
Volume: 5856 Da Pagina: 64 A: 70
Parole chiavi: digital holographyDOI: 10.1117/12.612935Link per visualizzare la scheda su IsiWeb: Clicca qui