Biochip detection system

Details Biochip detection system Biochip detection system

2007-07-10

2007-07-10

Lauchman, Layla G. (Department: 2877)

Optics: measuring and testing

By dispersed light spectroscopy

With sample excitation

C356S417000

Reexamination Certificate

active

10866747

ABSTRACT:
The present invention discloses a biochip detection system for detecting a biochip labeled with multiple fluorophores. The biochip detection system comprises a broadband light source for generating a light beam, a stand for supporting the biochip, a light integrator positioned between the broadband light source and the biochip, a lens set for adjusting the cross-sectional area of the light beam, a first filter module positioned on the optical path of the light beam, a detector, e.g., CCD camera, photodiode array, for detecting a fluorescence beam emitted from the biochip, and a second filter module positioned on the optical path of the fluorescence beam. The light integrator can be a light tunnel, a lens array or a holographic diffuser for uniforming the intensity distribution of the light beam and changing the cross-sectional shape of the light beam into a rectangle.

REFERENCES:
patent: 6252717 (2001-06-01), Grosskopf
patent: 6441973 (2002-08-01), Ramm et al.
patent: 6744502 (2004-06-01), Hoff et al.
patent: 6970240 (2005-11-01), Oldham et al.
patent: 6970246 (2005-11-01), Hansen
patent: 2003/0160957 (2003-08-01), Oldham et al.

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