Journal
OPTICS LETTERS
Volume 38, Issue 14, Pages 2524-2527Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.38.002524
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Funding
- Spanish Ministerio de Economia y Competitividad [FIS2010-15746]
- Generalitat Valenciana
- Universitat Jaume I [PROMETEO/2012/021, ISIC/2012/013, P1-1B2012-55]
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This Letter develops a framework for digital holography at optical wavelengths by merging phase-shifting interferometry with single-pixel optical imaging based on compressive sensing. The field diffracted by an input object is sampled by Hadamard patterns with a liquid crystal spatial light modulator. The concept of a single-pixel camera is then adapted to perform interferometric imaging of the sampled diffraction pattern by using a Mach-Zehnder interferometer. Phase-shifting techniques together with the application of a backward light propagation algorithm allow the complex amplitude of the object under scrutiny to be resolved. A proof-of-concept experiment evaluating the phase distribution of an ophthalmic lens with compressive phase-shifting holography is provided. (C) 2013 Optical Society of America
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