Two Step on-axis Digital Holography Using Dual-channel Mach-Zehnder Interferometer and Matched Filter Algorithm
Journal of the Optical Society of Korea, Vol. 14, Issue 4, pp. 363-367 (2010)
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Abstract
A new two step on-axis digital holography (DH) is proposed without any assumptions, phase shifting, or complicated optical components. A dual-channel Mach-Zehnder interferometer was employed. Using that setup, the object field can be reconstructed requiring only two step measurements. To eliminate position difference between two charge-coupled device (CCD) cameras, a matched filter algorithm was used. Experimental results are compared to those of the traditional phase shifting technique. The proposed approach can also be applied to single-exposure on-axis DH for real time measurement.
© 2010 Optical Society of Korea
OCIS Codes
(000.3110) General : Instruments, apparatus, and components common to the sciences
(090.2880) Holography : Holographic interferometry
History
Original Manuscript: July 19, 2010
Revised Manuscript: September 28, 2010
Manuscript Accepted: September 30, 2010
Published: December 25, 2010
Citation
Hyung-Chul Lee, Soo-Hyun Kim, and Dae-Suk Kim, "Two Step on-axis Digital Holography Using Dual-channel Mach-Zehnder Interferometer and Matched Filter Algorithm," J. Opt. Soc. Korea 14, 363-367 (2010)
http://www.opticsinfobase.org/josk/abstract.cfm?URI=josk-14-4-363
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