Laser-scanning examination apparatus

Details Laser-scanning examination apparatus Laser-scanning examination apparatus

2007-11-27

2007-11-27

Toatley, Gregory J. (Department: 2877)

Optics: measuring and testing

By dispersed light spectroscopy

With sample excitation

C250S453110, C250S461200

Reexamination Certificate

active

11182782

ABSTRACT:
The invention reduces the loss of fluorescence intensity obtained from a specimen to acquire clear fluorescence images when irradiating the specimen with ultrashort-pulse laser light produced by a laser light source. The invention provides a laser-scanning examination apparatus including a laser light source for producing ultrashort-pulse laser light; a laser light source for producing continuous-wave laser light; a measurement head including an optical scanning unit for scanning the laser light on a specimen and an objective optical system; an imaging unit for detecting return light from the specimen in response to the ultrashort-pulse laser light; and an imaging unit for detecting return light from the specimen in response to the continuous-wave laser light. The laser light sources and one imaging unit are connected to the measurement head by an optical fiber, and the other imaging unit is connected to the measurement head by another optical fiber with a larger core diameter.

REFERENCES:
patent: 6269206 (2001-07-01), Simon et al.
patent: 2002/0045890 (2002-04-01), Celliers et al.
patent: 2005/0271336 (2005-12-01), Galstian et al.
patent: 2002-243641 (2002-08-01), None

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