Ghost imaging—its physics and application [Invited]
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2024-07-01
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Shih, Yanhua. “Ghost Imaging—Its Physics and Application [Invited].” Chinese Optics Letters 22, no. 6 (July 1, 2024): 060011. https://doi.org/10.3788/COL202422.060011.
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Abstract
Since its first experimental demonstration, “ghost imaging” has attracted much attention, perhaps not only because of its interesting physics but also because of its attractive application. This review article discusses the physics and application of ghost imaging: (1) emphasizes the nonlocal two-photon interference nature of ghost imaging, including detailed analysis and calculations; (2) introduces three types of applications with unique advantages of ghost imaging, including a light detection and ranging device with imaging ability, namely, an Imaging Lidar or ILidar system; a turbulence-resistant, or turbulence-free, imaging technology; and a vibration-resistant X-ray microscope of high resolving capability. This article is prepared for a Special Issue of Chinese Optics Letters, intended for general audiences, especially young researchers and students who are interested in ghost imaging.