Optical system for micro analyzing system

Details Optical system for micro analyzing system Optical system for micro analyzing system

2007-08-21

2007-08-21

Toatley, Jr., Gregory J. (Department: 2877)

Optics: measuring and testing

By electrophoresis

Reexamination Certificate

active

10859485

ABSTRACT:
There is provided an optical system8for a micro analyzing system capable of precisely analyzing a sample. In the optical system8, after light beams leaving the tip of an optical fiber14pass through a condensing part13, a sample moving in a separation passage6due to electrophoresis is irradiated with the light beams. The condensing part13includes a first aspherically cylindrical surface10being convex toward the optical fiber14, a second aspherically cylindrical surface11being convex on the opposite side to the first aspherically cylindrical surface10, and a third aspherically cylindrical surface12being convex toward the second aspherically cylindrical surface11. The first through third aspherically cylindrical surfaces10through12are arranged in that order from the side of the optical fiber14toward the separation passage6. The sample moving due to electrophoresis is irradiated with light beams which are condensed by the first through third aspherically cylindrical surfaces10through11after leaving the optical fiber14.

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