The principle of coronagraph requires that stray light in coronagraph system must be kept at an extremely low level.
日冕仪的工作特点决定了其对杂散光抑制要求极其严格。
This week, in Nature, Eugene Serabyn of the Jet Propulsion Laboratory in California and his colleagues describe a stunning implementation of what is known as an optical vortex coronagraph.
本周，加利福尼亚州喷气推进实验室的尤金·瑟拉宾和他的同事将在《自然》杂志中描述被称为光学涡旋日冕的一项惊人的实验。
This week, in Nature, Eugene Serabyn of the Jet Propulsion Laboratory in California and his colleagues describe a stunning implementation of what is known as an optical vortex coronagraph.
本周，加利福尼亚州喷气推进实验室的尤金·瑟拉宾和他的同事将在《自然》杂志中描述被称为光学涡旋日冕的一项惊人的实验。
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