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Proceedings Article

Sagnac-interferometry-based digital optical phase conjugation (DOPC) system for turbidity suppression

[+] Author Affiliations
Timothy R. Hillman, Zahid Yaqoob, Dan Fu, Ramachandra R. Dasari, Michael S. Feld

Massachusetts Institute of Technology (USA)

YongKeun Park

Massachusetts Institute of Technology (USA) and KAIST (Korea, Republic of)

Wonshik Choi

Massachusetts Institute of Technology (USA) and Korea Univ. (Korea, Republic of)

Toyohiko Yamauchi

Massachusetts Institute of Technology (USA) and Hamamatsu Photonics K. K. (Japan)

Proc. SPIE 7904, Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing XVIII, 790417 (February 22, 2011); doi:10.1117/12.875918
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From Conference Volume 7904

  • Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing XVIII
  • Jose-Angel Conchello; Carol J. Cogswell; Tony Wilson; Thomas G. Brown
  • San Francisco, California, USA | January 22, 2011

abstract

Multiple scattering is a significant obstacle in the optical imaging of biological samples. However, it is possible to reverse its effects through optical phase conjugation (OPC) of the scattered field. We perform digital OPC (DOPC) utilizing a spatial light modulator (SLM) and a Sagnac interferometer geometry. This design permits a simple and robust DOPC implementation, which we demonstrate experimentally. We exploit the beam-shaping flexibility of the SLM to demonstrate the possibility to enhance either the optical power transmission or the light focusing ability of the DOPC process.

© (2011) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

Timothy R. Hillman ; YongKeun Park ; Zahid Yaqoob ; Wonshik Choi ; Dan Fu, et al.
"Sagnac-interferometry-based digital optical phase conjugation (DOPC) system for turbidity suppression", Proc. SPIE 7904, Three-Dimensional and Multidimensional Microscopy: Image Acquisition and Processing XVIII, 790417 (February 22, 2011); doi:10.1117/12.875918; http://dx.doi.org/10.1117/12.875918


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