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    • 6. 发明申请
    • Low-Light Specimen Image Pickup Unit and Low-Light Specimen Image Pickup Apparatus
    • 低光样本图像拾取单元和低光样本图像拾取装置
    • US20080158566A1
    • 2008-07-03
    • US11884822
    • 2006-02-16
    • Hirobumi SuzukiShinichi Dosaka
    • Hirobumi SuzukiShinichi Dosaka
    • G01B9/02
    • G02B21/361G02B13/22G02B21/16H04N5/2254
    • In order to be able to take an image of a specimen emitting low light in a short exposure time by a cooled CCD at about 0° C., a low-light specimen image pickup unit has an imaging optical system forming a specimen image of a specimen having a point light source emitting a low light, and the low-light specimen image pickup unit further has an image pickup unit having a plurality of pixels receiving incident light, for taking an image corresponding to the specimen image. In the low-light specimen image pickup unit, the imaging optical system is telecentric to a side of the specimen image of the imaging optical system, and condenses the low light emitted from the point light source to form an Airy disk of a size which is substantially the same as a pixel of the pixels, or which is smaller than the pixel. Here, the pixel receives the low light emitted from the point light source.
    • 为了能够在约0℃下通过冷却的CCD拍摄在短曝光时间内发射低光的样本的图像,低光标本图像拾取单元具有成像光学系统,其形成一个 具有发射低光的点光源的样本,并且所述低光标本摄像单元还具有具有接收入射光的多个像素的摄像单元,用于拍摄与所述标本图像相对应的图像。 在低光标本摄像单元中,成像光学系统对成像光学系统的样本图像的一侧是远心的,并且将从点光源发射的低光会聚,形成尺寸为 基本上与像素的像素相同,或者小于像素。 这里,像素接收从点光源发出的低光。