We report on a new classical light source useful for ghost-imaging applications. The light is obtained by frequency doubling a conventional speckle pattern having an overall multi-mode thermal distribution. The frequency-doubled light acquires a super-thermal distri- bution, which induces higher correlations at a beam splitter and, as a consequence, a higher visibility in ghost-imaging protocols.
Super-thermal light for imaging applications
Allevi, Alessia
;CASSINA, SILVIA;
2017-01-01
Abstract
We report on a new classical light source useful for ghost-imaging applications. The light is obtained by frequency doubling a conventional speckle pattern having an overall multi-mode thermal distribution. The frequency-doubled light acquires a super-thermal distri- bution, which induces higher correlations at a beam splitter and, as a consequence, a higher visibility in ghost-imaging protocols.
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