Patent ID: 6956229
Filing Date: 2005-10-18
Classification: G01N

Abstract:
1. A fluorescence reader which detects fluorescence from a sample present on a carrier or in a solution, comprising: a light source which radiates parallel light; a projection lens which converges the light from the light source; an excitation pinhole disposed at a front-side focal position of the projection lens, which shapes the parallel light radiated from the light source; an objective lens which permits the light converged at a rear-side focal position and radiated onto the sample to pass through the objective lens; an image forming lens which forms fluorescence emitted from the sample and passed through the objective lens into an image; a light receiving pinhole disposed at an image forming position of the image forming lens; and a detector which detects the fluorescence passed through the light receiving pinhole, wherein a shape of the excitation pinhole and a diameter of the light receiving pinhole are changeable.