Resolution enhancement of optical scanning holography with a spiral modulated point spread function

Ni Chen; Zhenbo Ren; Haiyan Ou; Edmund Y. Lam

doi:doi:10.1364/prj.4.000001

Photonics Research, 2016, 4 (1): 01000001, Published Online: Sep. 26, 2016

Resolution enhancement of optical scanning holography with a spiral modulated point spread function Download： 1035次

Ni Chen ¹Zhenbo Ren ¹Haiyan Ou ²Edmund Y. Lam ^1,*

Author Affiliations

¹ Department of Electrical and Electronic Engineering, The University of Hong Kong, Pokfulam, Hong Kong, China

² Institute of Applied Physics, University of Electronic Science and Technology of China, 610054 Chengdu, China

Figures & Tables

Fig. 1. Scheme of the proposed SPP-OSH system. BSn, beam splitters; AOF, acousto-optic frequency shifter; Mn, mirror; pn, pupils; Ln, thin lens; SM, scanning mirror; PD, photodetector.

下载图片查看原文

Fig. 2. (a) Real part, (b) imaginary part, and (c) phase profile of the hologram recorded with the conventional OSH; (d) real part, (e) imaginary part, and (f) phase profile of the hologram recorded with the proposed SPP-OSH.

下载图片查看原文

Fig. 3. Hologram reconstructions of a pinhole. Intensity profile of the reconstruction using (a) the OSH and (b) SPP-OSH. (c) Plot image across the center of the reconstructed point.

下载图片查看原文

Fig. 4. Hologram reconstructions of a pinhole. Intensity profile of the reconstruction using (a) the OSH and (b) SPP-OSH. (c) Plot image across the center of the reconstructed point.

下载图片查看原文

Fig. 5. Resolution chart.

下载图片查看原文

Fig. 6. Reconstructed images of the resolution chart at the focal plane of the object with (a) OSH and (b) SPP-OSH. Corresponding plot profiles across the horizontal centerlines are given in (c) and (d).

下载图片查看原文

Fig. 7. Example 1: Resolution chart reconstructions with the OSH in (a) and (c); with the SPP-OSH in (b) and (d).

下载图片查看原文

Fig. 8. Object with two plane images located at (a) z1 and (b) z2.

下载图片查看原文

Fig. 9. (a) Real part and (b) imaginary part of the conventional OSH hologram; (c) real part and (d) imaginary part of the proposed SPP-OSH hologram.

下载图片查看原文

Fig. 10. Reconstructed images while Δz=5.5 mm (first row) and 11 mm (second row), using the OSH method, given in (a), (b), (e), and (f); similar figures using the SPP-OSH method are given in (c), (d), (g), and (h).

下载图片查看原文

Fig. 11. Comparison of the SPP-OSH and OSH: the correlation between the reconstructed images and the original images in terms of the depth interval of the object planes.

下载图片查看原文

Fig. 12. Comparison of the SPP-OSH and DW-OSH: the correlation between the reconstructed images and the original images in terms of the depth interval of the object planes.

下载图片查看原文

Ni Chen, Zhenbo Ren, Haiyan Ou, Edmund Y. Lam. Resolution enhancement of optical scanning holography with a spiral modulated point spread function[J]. Photonics Research, 2016, 4(1): 01000001.

Resolution enhancement of optical scanning holography with a spiral modulated point spread function Download： 1035次

Fig. 1. Scheme of the proposed SPP-OSH system. BSn, beam splitters; AOF, acousto-optic frequency shifter; Mn, mirror; pn, pupils; Ln, thin lens; SM, scanning mirror; PD, photodetector.

Fig. 2. (a) Real part, (b) imaginary part, and (c) phase profile of the hologram recorded with the conventional OSH; (d) real part, (e) imaginary part, and (f) phase profile of the hologram recorded with the proposed SPP-OSH.

Fig. 3. Hologram reconstructions of a pinhole. Intensity profile of the reconstruction using (a) the OSH and (b) SPP-OSH. (c) Plot image across the center of the reconstructed point.

Fig. 4. Hologram reconstructions of a pinhole. Intensity profile of the reconstruction using (a) the OSH and (b) SPP-OSH. (c) Plot image across the center of the reconstructed point.

Fig. 5. Resolution chart.

Fig. 6. Reconstructed images of the resolution chart at the focal plane of the object with (a) OSH and (b) SPP-OSH. Corresponding plot profiles across the horizontal centerlines are given in (c) and (d).

Fig. 7. Example 1: Resolution chart reconstructions with the OSH in (a) and (c); with the SPP-OSH in (b) and (d).

Fig. 8. Object with two plane images located at (a) z1 and (b) z2.

Fig. 9. (a) Real part and (b) imaginary part of the conventional OSH hologram; (c) real part and (d) imaginary part of the proposed SPP-OSH hologram.

Fig. 10. Reconstructed images while Δz=5.5 mm (first row) and 11 mm (second row), using the OSH method, given in (a), (b), (e), and (f); similar figures using the SPP-OSH method are given in (c), (d), (g), and (h).

Fig. 11. Comparison of the SPP-OSH and OSH: the correlation between the reconstructed images and the original images in terms of the depth interval of the object planes.

Fig. 12. Comparison of the SPP-OSH and DW-OSH: the correlation between the reconstructed images and the original images in terms of the depth interval of the object planes.

关于本站 Cookie 的使用提示

全站搜索

Resolution enhancement of optical scanning holography with a spiral modulated point spread function Download： 1035次

Fig. 1. Scheme of the proposed SPP-OSH system. BSn, beam splitters; AOF, acousto-optic frequency shifter; Mn, mirror; pn, pupils; Ln, thin lens; SM, scanning mirror; PD, photodetector.

Fig. 2. (a) Real part, (b) imaginary part, and (c) phase profile of the hologram recorded with the conventional OSH; (d) real part, (e) imaginary part, and (f) phase profile of the hologram recorded with the proposed SPP-OSH.

Fig. 3. Hologram reconstructions of a pinhole. Intensity profile of the reconstruction using (a) the OSH and (b) SPP-OSH. (c) Plot image across the center of the reconstructed point.

Fig. 4. Hologram reconstructions of a pinhole. Intensity profile of the reconstruction using (a) the OSH and (b) SPP-OSH. (c) Plot image across the center of the reconstructed point.

Fig. 5. Resolution chart.

Fig. 6. Reconstructed images of the resolution chart at the focal plane of the object with (a) OSH and (b) SPP-OSH. Corresponding plot profiles across the horizontal centerlines are given in (c) and (d).

Fig. 7. Example 1: Resolution chart reconstructions with the OSH in (a) and (c); with the SPP-OSH in (b) and (d).

Fig. 8. Object with two plane images located at (a) z1 and (b) z2.

Fig. 9. (a) Real part and (b) imaginary part of the conventional OSH hologram; (c) real part and (d) imaginary part of the proposed SPP-OSH hologram.

Fig. 10. Reconstructed images while Δz=5.5 mm (first row) and 11 mm (second row), using the OSH method, given in (a), (b), (e), and (f); similar figures using the SPP-OSH method are given in (c), (d), (g), and (h).

Fig. 11. Comparison of the SPP-OSH and OSH: the correlation between the reconstructed images and the original images in terms of the depth interval of the object planes.

Fig. 12. Comparison of the SPP-OSH and DW-OSH: the correlation between the reconstructed images and the original images in terms of the depth interval of the object planes.

相关论文

相关资讯

关于本站 Cookie 的使用提示

全站搜索