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Optical Engineering

Feasibility investigation of using tunable infrared communications laser for multiwavelength digital holographic Laplacian reconstruction
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Paper Abstract

Access to both the phase and intensity of an image can be provided using digital holographic (DH) imaging techniques. Recently, the difference of two holograms captured with two appropriately related wavelengths was demonstrated to produce the Laplacian of an object field. Applying telecommunication lasers the feasibility of infrared (IR) DH and DH Laplacian reconstruction and the associated theoretical analyses are presented. This is achieved by combining a tunable mid-IR laser source and mid-IR sensitive InGaAs-based digital camera.

Paper Details

Date Published: 1 October 2011
PDF: 13 pages
Opt. Eng. 50(10) 105801 doi: 10.1117/1.3633335
Published in: Optical Engineering Volume 50, Issue 10
Show Author Affiliations
James P. Ryle, Univ. College Dublin (Ireland)
Dayan Li, Univ. College Dublin (Ireland)
John T. Sheridan, Univ. College Dublin (Ireland)


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