| 摘要 |
Optical systems and methods including interferometric systems and methods are disclosed herein. In some embodiments, the present invention relates to a system comprising at least one light source including a deep ultraviolet light source, a lens device, a beam splitter, and a camera device. The lens device receives first light, directs at least some of that light toward a target location, receives reflected light therefrom, and directs at least some of the reflected light toward a further location, where at least part of a light path between the deep ultraviolet light source and the target location is other than at a high vacuum. The camera device is positioned at either the further location or an additional location, whereby an image is generated by the camera device based upon at least a portion of the reflected light. Also encompassed herein are interferometric lithography and optical microscopy systems.
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