Abstract

We present a method to improve the resolution of digital holographic images based on angular multiplexing with incoherent beams from two orthogonal polarized components of natural light. Two incoherent subholograms are synchronously recorded by two pairs of incoherent object waves and reference waves with orthogonal polarization states, in which the object is illuminated by two incoherent beams from different directions. The increase in resolution is obtained through phase correction and superposition of two reconstructed object waves. Experimental results show that the resolution and quality of the reconstructed image can be effectively improved.

© 2010 Optical Society of America

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References

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2009

2008

2006

2003

2001

I. Yamaguchi, J. Kato, and S. Ohta, Opt. Rev. 8, 85 (2001).
[CrossRef]

F. Le Clerc, M. Gross, and L. Collot, Opt. Lett. 26, 1550(2001).
[CrossRef]

1995

T.-C. Poon, K. Doh, B. Schilling, M. Wu, K. Shinoda, and Y. Suzuki, Opt. Eng. 34, 1338 (1995).
[CrossRef]

Asundi, A.

Brueck, S. R. J.

Collot, L.

Di, J.

Doh, K.

T.-C. Poon, K. Doh, B. Schilling, M. Wu, K. Shinoda, and Y. Suzuki, Opt. Eng. 34, 1338 (1995).
[CrossRef]

García, J.

García-Martínez, P.

Gross, M.

Javidi, B.

Jiang, H.

Kato, J.

I. Yamaguchi, J. Kato, and S. Ohta, Opt. Rev. 8, 85 (2001).
[CrossRef]

Kuznetsova, Y.

Le Clerc, F.

Liu, H.

Martínez-León, L.

Micó, V.

Ohta, S.

I. Yamaguchi, J. Kato, and S. Ohta, Opt. Rev. 8, 85 (2001).
[CrossRef]

Poon, T.-C.

T.-C. Poon, K. Doh, B. Schilling, M. Wu, K. Shinoda, and Y. Suzuki, Opt. Eng. 34, 1338 (1995).
[CrossRef]

Qin, C.

Schilling, B.

T.-C. Poon, K. Doh, B. Schilling, M. Wu, K. Shinoda, and Y. Suzuki, Opt. Eng. 34, 1338 (1995).
[CrossRef]

Schwarz, C. J.

Shinoda, K.

T.-C. Poon, K. Doh, B. Schilling, M. Wu, K. Shinoda, and Y. Suzuki, Opt. Eng. 34, 1338 (1995).
[CrossRef]

Singh, V.

Sun, W.

Suzuki, Y.

T.-C. Poon, K. Doh, B. Schilling, M. Wu, K. Shinoda, and Y. Suzuki, Opt. Eng. 34, 1338 (1995).
[CrossRef]

Wang, L.

Wang, Q.

Wu, M.

T.-C. Poon, K. Doh, B. Schilling, M. Wu, K. Shinoda, and Y. Suzuki, Opt. Eng. 34, 1338 (1995).
[CrossRef]

Yamaguchi, I.

I. Yamaguchi, J. Kato, and S. Ohta, Opt. Rev. 8, 85 (2001).
[CrossRef]

Yan, X.

Yuan, C.

Zalevsky, Z.

Zhai, H.

Zhao, J.

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Figures (5)

Fig. 1
Fig. 1

Experimental setup for recording the digital hologram. PBS, polarized beam splitter; λ / 2 , half-wave plate; BS, beam splitter; BE, beam expander; M, mirror; CCD, charge-coupled device.

Fig. 2
Fig. 2

(a) Digital hologram and (b) its spatial spectra.

Fig. 3
Fig. 3

(a), (b) Reconstructed images from the subhologram with vertical illumination and tilted illumination; (c), (e) synthetic reconstructed images without and with phase correction; (d), (f) magnifications of the selected regions in (c) and (e).

Fig. 4
Fig. 4

(a), (b) Magnifications of the grating groups 16 and 21 in Fig. 3a; (c), (d) magnifications of the grating groups 16 and 21 in Fig. 3e; (e) intensity distributions along the dashed line in (b) and (d), respectively.

Fig. 5
Fig. 5

Comparison of two reconstruction methods. (a) Synthetic reconstructed image using the method proposed in [11]; (b), (c) magnifications of the selected region in (a) and the region corresponding to (a) in Fig. 3e; (d) intensity distributions along the dashed line in (b) and (c), respectively.

Equations (1)

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I h = | R 1 | 2 + | R 2 | 2 + | D 1 | 2 + | D 2 | 2 + R 1 D 1 * + R 1 * D 1 + R 2 D 2 * + R 2 * D 2 .

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