Method for measuring the refractive index and the thickness of transparent plates with a lateral-shear, wavelength-scanning interferometer (Articolo in rivista)

Type
Label
  • Method for measuring the refractive index and the thickness of transparent plates with a lateral-shear, wavelength-scanning interferometer (Articolo in rivista) (literal)
Anno
  • 2003-01-01T00:00:00+01:00 (literal)
Alternative label
  • Coppola G., Ferraro P., Iodice M., and De Nicola S. (2003)
    Method for measuring the refractive index and the thickness of transparent plates with a lateral-shear, wavelength-scanning interferometer
    in Applied optics
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Coppola G., Ferraro P., Iodice M., and De Nicola S. (literal)
Pagina inizio
  • 3882 (literal)
Pagina fine
  • 3887 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 42 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Istituto per la Microelettronica e i Microsistemi, del Consiglio Nazionale delle Ricerche, Sezione di Napoli, Via P. Castellino, 111, 80131 Naples, Italy Istituto di Cibernetica “E.Caianiello” del Consiglio Nazionale delle Ricerche, Via Campi Flegrei, 34 c/o Comprensorio “Olivetti,” 80072 Pozzuoli, Naples, Italy (literal)
Titolo
  • Method for measuring the refractive index and the thickness of transparent plates with a lateral-shear, wavelength-scanning interferometer (literal)
Abstract
  • A new method for measuring simultaneously the thickness and the refractive index of a transparent plate is proposed. The method is based on a simple, variable lateral-shear, wavelength-scanning interferometer. To achieve highly accurate measurements of both refractive index n and thickness d we use several means to determine these two quantities. We finely tune a distributed-feedback diode laser light source to introduce a phase shift into the detected signal, whereas we make the sample rotate to produce variable lateral shearing. Phase shifting permits precise determination of the optical thickness, nd, whereas refractive index n is obtained from the retrieved phase of the overall interference signal for all incidence angles. (literal)
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