Wavefront-sensor tomography for measuring spatial coherence
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2015
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Society of Photo-optical Instrumentation Engineers (SPIE)
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Abstract
Wavefront sensing is an advanced technology that enables the precise determination of the phase of a light field, a critical information for many applications, such as noncontact metrology, adaptive optics, and vision correction. Here, we reinterpret the operation of wavefront sensors as a simultaneous unsharp measurement of position and momentum. Utilizing quantum tomography techniques we report an experimental characterization and 3D imaging of a multimode laser light.
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© 2015 SPIE. This work is co-financed by the European Social Fund and the state budget of the Czech Republic, project No.CZ.1.07/2.3.00/30.0041 (POST-UP II), and supported by the Grant Agency of the Czech Republic, Grant No. 15-031945.