| 摘要 |
PROBLEM TO BE SOLVED: To achieve a fluorescence detector for having high sensitivity, a processing capability for simultaneously observing a plurality of fluorescent spots, and an advantage of a cost. SOLUTION: The fluorescence detector of the invention irradiates a sample with a light so as to cause an aspect ratio of a shape in a light irradiation area on a sample placement plane to be 1±0.1. There are some preferable shapes in the light irradiation area. They are changed in a certain range in response to the optimized item. The shape in the light irradiation area is considered as a perfect circle, an equilateral triangle, a square or a hexagon. COPYRIGHT: (C)2009,JPO&INPIT
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