公开(公告)号：US20030214721A1

公开(公告)日：2003-11-20

申请号：US10144788

申请日：2002-05-15

Applicant: Institute for Technology Development

Inventor： Gavin H. Poole

IPC: G02B027/00

CPC classification number: G01J5/522 ,  B33Y70/00 ,  B33Y80/00 ,  G01J5/02 ,  G01J5/0255 ,  G01J5/08 ,  G01J5/0853

Abstract: A light trap suitable for use in an optical imaging system includes a hollow sphere, with a hollow cylindrical tube attached substantially tangent to the surface of the sphere, and forming a chimney. The interior and exterior surfaces of the sphere are coated with a low-reflective coating, such as flat black paint. A sample to be imaged is placed over the opening of the chimney with an imaging system and illumination source directed downward into the chimney itself. Light which passes through or around the sample is captured in the sphere, so that it is not reflected back into the imaging system.

Abstract translation: 适用于光学成像系统的光阱包括中空球体，中空圆柱形管基本上与球体表面相切，并形成烟囱。 球体的内表面和外表面涂覆有低反射涂层，例如平黑色涂料。 要成像的样品放置在烟囱的开口上，成像系统和照明源向下指向烟囱本身。 通过或围绕样品的光被捕获在球体中，使得其不被反射回到成像系统中。