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Cognex Corp. - Smart Sensor 3-24 GIF LB

Crystals Enable Wavefront Sensor

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Richard Gaughan

Because light interacts with the environment through which it travels, it is used to probe the characteristics of a wide variety of systems. Researchers collect the transmitted light and analyze intensity patterns and spectra, but no matter how advanced standard techniques are, they throw away half the story: the phase information. While there are means to recover this significant information, including interferometry, Shack-Hartmann sensors and holography, they are restricted in scope or difficult to implement. Now a new method has the potential to obtain complex phase information from...Read full article

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    Published: February 2001
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