Rotation error correction by numerical focus adjustment in tomographic phase microscopy

Yunseong Jeon; Chung-Ki Hong

doi:10.1117/1.3242833

1 October 2009 Rotation error correction by numerical focus adjustment in tomographic phase microscopy

Yunseong Jeon, Chung-Ki Hong

Author Affiliations +

Optical Engineering, Vol. 48, Issue 10, 105801 (October 2009). https://doi.org/10.1117/1.3242833

Abstract

The tomographic imaging technique in digital holography is improved and applied to the measurements of the refractive index distributions of two kinds of optical fiber. They are reconstructed from a set of quantitative phase maps obtained with a digital holographic method as the object is rotated for 180 deg. The errors of the phase maps caused by the defocusing due to the unwanted shift of the object relative to the rotation axis are corrected by numerical focus adjustment. The tomographic images of the fiber samples show the effectiveness of our method.

©(2009) Society of Photo-Optical Instrumentation Engineers (SPIE)

Citation Download Citation

Yunseong Jeon and Chung-Ki Hong "Rotation error correction by numerical focus adjustment in tomographic phase microscopy," Optical Engineering 48(10), 105801 (1 October 2009). https://doi.org/10.1117/1.3242833

Published: 1 October 2009

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