Patent ID: 6768553
Filing Date: 2004-07-27
Classification: G01B,G02B

Abstract:
A continuous-zoom imaging device of an interferometer, comprising:two planes whose reflected light beams interfere with each other to generate an interference pattern; a collimation device for converting parallel light of said interference pattern into convergent light; a polarizing beam splitter including a quarter-wave plate being used to guide said interference pattern to an imaging passageway; an optical path adjustment means for guiding said convergent light from said collimation device to said polarizing beam splitter; a continuous-zoom device for adjusting the magnification ratio of said interference pattern on said imaging passageway and outputting an object image, said interference pattern remaining substantially unchanged between said polarizing beam splitter and said continuous-zoom device, the light beam of said interference pattern entering said continuous-zoom device as a coaxial light beam; a charge coupled device whereon said object image is imaged, said charge coupled device being used for converting said image into electronic signals; a light projection device for producing said light reflected by said two planes; and, an attenuator being positioned in the optical path of said light projection device, said attenuator communicating with said continuous-zoom device via a joint device to form an automatic light adjustment structure.