A phase-shifting in-line digital holography of pre-magnification on imaging research

Qiaowen Lin; Dayong Wang; Lu Rong; Yunxin Wang; Jie Zhao; Spozmai Panezai

doi:10.1117/12.2042224

19 December 2013 A phase-shifting in-line digital holography of pre-magnification on imaging research

Qiaowen Lin, Dayong Wang, Lu Rong, Yunxin Wang, Jie Zhao, Spozmai Panezai

Proceedings Volume 9045, 2013 International Conference on Optical Instruments and Technology: Optoelectronic Imaging and Processing Technology; 90451Z (2013) https://doi.org/10.1117/12.2042224
Event: International Conference on Optical Instruments and Technology (OIT2013), 2013, Beijing, China

Abstract

A phase shifting digital holography with pre-magnification is designed. In order to fully utilize the bandwidth of the camera, a four-step phase-shifting digital holography is adopted to retrieve the complex distribution of the object. To further enhance the resolution of the reconstructed image without phase aberration, two microscope objectives (MOs) are placed in front of the object and the reference mirror. The MO in the reference arm provides parallel beam at the PZT plane thus improve the precision of the phase shifting. A 1951 USAF negative resolution target is used as the sample. Experiment result demonstrates the feasibility of the proposed method.

Citation Download Citation

Qiaowen Lin, Dayong Wang, Lu Rong, Yunxin Wang, Jie Zhao, and Spozmai Panezai "A phase-shifting in-line digital holography of pre-magnification on imaging research", Proc. SPIE 9045, 2013 International Conference on Optical Instruments and Technology: Optoelectronic Imaging and Processing Technology, 90451Z (19 December 2013); https://doi.org/10.1117/12.2042224

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