Method for tracking particles and life forms in three...

Details Method for tracking particles and life forms in three... Method for tracking particles and life forms in three...

2005-04-05

2005-04-05

Boutsikaris, Leo (Department: 2872)

Optical: systems and elements

Holographic system or element

For producing or reconstructing images from multiple holograms

C359S009000

Reexamination Certificate

active

06876474

ABSTRACT:
A method for tracking particles and life forms in three dimensions and in time. The present invention applies a numerical reconstruction approach to digital in-line holographic microscopy images in order to generate a time sequence hologram representing the trajectory of objects such as particles and life forms. By subtracting consecutive (in time) holograms of a particle sample volume and then adding the resulting differences, a final hologram is constructed that contains the time evolution of the object trajectory free from spurious background interference effects.

REFERENCES:
patent: 5548419 (1996-08-01), Adrian et al.
patent: 6411406 (2002-06-01), Kreuzer
patent: 6535276 (2003-03-01), Dubois
Book, Principles of Optics seventh (Expanded) Edition by Max Born and Emil Wolf, Cambridge University Press 1999, pp. 412 to 417 and 645 to 652.
Book, Handbook of Holographic Interferometry, Thomas Kreis, Wiley Jan. 2005, Table of Contents -sections 3.2 to 3.4.

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