Dual fiber microprobe for mapping elemental distributions in...

Details Dual fiber microprobe for mapping elemental distributions in... Dual fiber microprobe for mapping elemental distributions in...

2007-07-31

2007-07-31

Evans, F. L. (Department: 2877)

Optics: measuring and testing

With plural diverse test or art

C356S318000

Reexamination Certificate

active

11240264

ABSTRACT:
Laser-induced breakdown spectroscopy (LIBS) is applied on a microscale for in situ elemental analysis and spatial mapping in biological cells. A high power laser beam is focused onto a cell surface using a dual branching optical fiber probe for optical excitation of the cell constituents. Dual spectrometers and ICCD detectors capture the emission spectra from the excited cell(s). Repeated probing or repositioning of the laser beam with respect to the cell can provide 2-D or 3-D mapping of the cell.

REFERENCES:
patent: 2004/0183018 (2004-09-01), Zhou et al.
patent: 2005/0200843 (2005-09-01), Kumar et al.
patent: 2005-140529 (2005-06-01), None

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