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Optical Engineering

Experimental study on the imaging of the squeezed-state light with a virtual object
Author(s): Baozhu Lu; Siwen Bi; Fei Feng; Menghua Kang; Fei Qin
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Paper Abstract

A stable amplitude squeezed-state light was generated by utilizing the nondegenerate optical parametric amplifier based on periodically poled KTiOPO4 crystal at 1064 nm. We observed - 4.93 dB of squeezing with a local oscillator phase locked in homodyne measurement. The imaging experiments of the resolution target have shown that the imaging resolution, which was based on squeezed-state light, is 1.41 times as much as the resolution that was acquired using coherent light as light source. In addition, the squeezed-state light was applied for imaging of the virtual object. It was found that the characters on the board were much more easily discerned with squeezed light as a light source than with coherent light. This result paves the way for further improvements of imaging resolution by use of the squeezed-state light.

Paper Details

Date Published: 1 November 2012
PDF: 5 pages
Opt. Eng. 51(11) 119001 doi: 10.1117/1.OE.51.11.119001
Published in: Optical Engineering Volume 51, Issue 11
Show Author Affiliations
Baozhu Lu, Xi'an Institute of Optics and Precision Mechanics (China)
Siwen Bi, Xi'an Institute of Optics and Precision Mechanics (China)
Fei Feng, Xi'an Institute of Optics and Precision Mechanics (China)
Menghua Kang, Xi'an Institute of Optics and Precision Mechanics (China)
Fei Qin, Villanova Univ. (United States)


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