Object characterization with refractometric digital Fourier holography
Författare
Summary, in English
We demonstrate a digital holographic method in which two different substances in a blend are discerned. The method requires only one set of exposures and one reconstruction in the plane of focus. The phase is unwrapped by Flynn's discontinuity algorithm to produce an image of the variation of the optical distance of the illuminating wave. Objects with indices of refraction that are higher and lower than the mounting liquid are detected as regions in which the phase is increased and decreased, respectively. We also present a method for calculating the volume distribution of substrates in a sample. The method is experimentally demonstrated with crystals of NaCl and KCl.
Publiceringsår
2005
Språk
Engelska
Sidor
471-473
Publikation/Tidskrift/Serie
Optics Letters
Volym
30
Issue
5
Dokumenttyp
Artikel i tidskrift
Förlag
Optical Society of America
Ämne
- Other Electrical Engineering, Electronic Engineering, Information Engineering
- Electrical Engineering, Electronic Engineering, Information Engineering
Status
Published
Forskningsgrupp
- Electromagnetic theory
ISBN/ISSN/Övrigt
- ISSN: 0146-9592