Optical tomography using a random diffuser and digital phase conjugation

Yuta Goto; Atsushi Okamoto; Atsushi Shibukawa; Akihisa Tomita; Kunihiro Sato

doi:10.1117/12.2078765

5 March 2015 Optical tomography using a random diffuser and digital phase conjugation

Yuta Goto, Atsushi Okamoto, Atsushi Shibukawa, Akihisa Tomita, Kunihiro Sato

Proceedings Volume 9319, Optical Tomography and Spectroscopy of Tissue XI; 93191L (2015) https://doi.org/10.1117/12.2078765
Event: SPIE BiOS, 2015, San Francisco, California, United States

Abstract

We proposed a new technology for tomographic imaging based on beam diffusion and wavefront reconstruction through digital phase conjugation (DPC). The principle of this technology is highly unique and completely different from that of well-known optical coherence tomography (OCT) because it does not utilize the coherence property of light. In our experiment, it was shown that the depth resolution of smaller than 5μm is obtained when using the objective lens with NA of 0.42. In addition, we achieved the extraction of the information from a specific specimen among several specimens arranged along optical axis.

Citation Download Citation

Yuta Goto, Atsushi Okamoto, Atsushi Shibukawa, Akihisa Tomita, and Kunihiro Sato "Optical tomography using a random diffuser and digital phase conjugation", Proc. SPIE 9319, Optical Tomography and Spectroscopy of Tissue XI, 93191L (5 March 2015); https://doi.org/10.1117/12.2078765

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