Schrödinger's Picture: Researchers Take An Image Without Ever Detecting Light

Thursday, August 28, 2014 - 15:20 in Physics & Chemistry

Here is something counter-intuitive: researchers have developed a new quantum imaging technique in which the image has been obtained without ever detecting the light that was used to illuminate the imaged object, while the light revealing the image never touches the imaged object.  As everyone knows, outside the world of quantum mechanics, to obtain an image of an object one has to illuminate it with a light beam and use a camera to sense the light that is either scattered or transmitted through that object. The type of light used to shine onto the object depends on the properties that one would like to image. Unfortunately, in many practical situations the ideal type of light for the illumination of the object is one for which cameras do not exist.  read more

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