全息照相(或称为全息术,holography)是记录波动干扰的振幅和位相分布以及随后使之重现的照相技术。“全息”源于希腊语“holos”,意思是完全的信息,不仅包括光的振幅信息,还包括位相信息。全息术的设想是英国藉匈牙利物理学家伽柏(D.Gabor)于1948年在为提高电子显微镜分辨本领 Holography, or holography, is a photographic technique that records the amplitude and phase distribution of fluctuating disturbances and then reproduces them. “Holographic” is derived from the Greek word “holos,” meaning complete information, including not only the amplitude information of light, but also phase information. Holography is conceived by the British by the Hungarian physicist Gabor (Gabor) in 1948 to improve the resolution of electron microscopy