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We propose a digital holographic microscopy (DHM) setup employing a configuration with two Lloyd's mirrors, which is based on self-referencing and dual-wavelength optical phase unwrapping. We use two Lloyd's mirrors to fold the beam which does not exhibit sample structure and acts as the reference beam, returning onto itself to form a dual-wavelength hologram. Two wrapped phase images for every wavelength are reconstructed by angular spectrum method. Then the wrapped phase image and the three-dimensional profile image are acquired by dual-wavelength optical unwrapping method. In the experiment, we use two lasers of different wavelengths of 532 and 632 nm to record a hologram. Numerical methods are subsequently applied to reconstruct the hologram to enable direct access to both phase and amplitude information. The quantitative experimental results with dual-wavelength DHM involve a deviation less than 5% from the calibration values. The validity of this method is demonstrated.
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Keywords:
- holography /
- dual-wavelength digital holography /
- optical phase unwrapping /
- Lloyd'
[1] Goodman J W, Lawrence R W 1967 Appl. Phys. Lett. 11 77
[2] Li S Y 2005 Ph. D. Dissertation (Xi'an: Northwestern Polytechnical University) (in Chinese) [李世扬 2005 博士学位论文 (西安: 西北工业大学)]
[3] Li J C, Lou Y L, Gui J B, Peng Z J, Song Q H 2013 Acta Phys. Sin. 62 124203 (in Chinese) [李俊昌, 楼宇丽, 桂进斌, 彭祖杰, 宋庆和 2013 62 124203]
[4] Wang H Y, Zhang Z H, Liao W, Song X F, Guo Z J, Liu F F 2012 Acta Phys. Sin. 61 044208 (in Chinese) [王华英, 张志会, 廖薇, 宋修法, 郭中甲, 刘飞飞 2012 61 044208]
[5] Wang H Y, Liu F F, Liao W, Song X F, Yu M J, Liu Z Q 2013 Acta Phys. Sin. 62 054208 (in Chinese) [王华英, 刘飞飞, 廖薇, 宋修法, 于梦杰, 刘佐强 2013 62 054208]
[6] Li J C 2012 Acta Phys. Sin. 61 134203 (in Chinese) [李俊昌 2012 61 134203]
[7] Li J C, Zhang Y P, Xu W 2009 Acta Phys. Sin. 58 5385 (in Chinese) [李俊昌, 张亚萍, 许蔚 2009 58 5385]
[8] Wang Y J, Wang Z Q, Gao Z R, Cai W Y, Wu J T 2012 Acta Opt. Sin. 32 1009001 (in Chinese) [王羽佳, 汪竹青, 高志瑞, 蔡文苑, 伍江涛 2012 光学学报 32 1009001]
[9] Daniel P, Myung K 2006 Appl. Opt. 45 451
[10] Alexander K, Myung K, Chun M L 2008 Opt. Express 16 10900
[11] Jonas K, Tristan C, Frederic M, Florian C, Yves E, Etienne C, Pierre M, Christian D 2007 Opt. Express 15 7231
[12] Vani C, Amardeep S G S, Rainer A L, Bahram J, Arun A 2012 Opt. Lett. 37 5127
[13] Lu M F, Wu J, Zheng M 2013 Acta Phys. Sin. 62 094207 (in Chinese) [卢明峰, 吴坚, 郑明 2013 62 094207]
[14] Wang H Y, Liu F F, Song X F, Liao W, Zhao B Q, Yu M J, Liu Z Q 2013 Acta Phys. Sin. 62 024207 (in Chinese) [王华英, 刘飞飞, 宋修法, 廖薇, 赵宝群, 于梦杰, 刘佐强 2013 62 024207]
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[1] Goodman J W, Lawrence R W 1967 Appl. Phys. Lett. 11 77
[2] Li S Y 2005 Ph. D. Dissertation (Xi'an: Northwestern Polytechnical University) (in Chinese) [李世扬 2005 博士学位论文 (西安: 西北工业大学)]
[3] Li J C, Lou Y L, Gui J B, Peng Z J, Song Q H 2013 Acta Phys. Sin. 62 124203 (in Chinese) [李俊昌, 楼宇丽, 桂进斌, 彭祖杰, 宋庆和 2013 62 124203]
[4] Wang H Y, Zhang Z H, Liao W, Song X F, Guo Z J, Liu F F 2012 Acta Phys. Sin. 61 044208 (in Chinese) [王华英, 张志会, 廖薇, 宋修法, 郭中甲, 刘飞飞 2012 61 044208]
[5] Wang H Y, Liu F F, Liao W, Song X F, Yu M J, Liu Z Q 2013 Acta Phys. Sin. 62 054208 (in Chinese) [王华英, 刘飞飞, 廖薇, 宋修法, 于梦杰, 刘佐强 2013 62 054208]
[6] Li J C 2012 Acta Phys. Sin. 61 134203 (in Chinese) [李俊昌 2012 61 134203]
[7] Li J C, Zhang Y P, Xu W 2009 Acta Phys. Sin. 58 5385 (in Chinese) [李俊昌, 张亚萍, 许蔚 2009 58 5385]
[8] Wang Y J, Wang Z Q, Gao Z R, Cai W Y, Wu J T 2012 Acta Opt. Sin. 32 1009001 (in Chinese) [王羽佳, 汪竹青, 高志瑞, 蔡文苑, 伍江涛 2012 光学学报 32 1009001]
[9] Daniel P, Myung K 2006 Appl. Opt. 45 451
[10] Alexander K, Myung K, Chun M L 2008 Opt. Express 16 10900
[11] Jonas K, Tristan C, Frederic M, Florian C, Yves E, Etienne C, Pierre M, Christian D 2007 Opt. Express 15 7231
[12] Vani C, Amardeep S G S, Rainer A L, Bahram J, Arun A 2012 Opt. Lett. 37 5127
[13] Lu M F, Wu J, Zheng M 2013 Acta Phys. Sin. 62 094207 (in Chinese) [卢明峰, 吴坚, 郑明 2013 62 094207]
[14] Wang H Y, Liu F F, Song X F, Liao W, Zhao B Q, Yu M J, Liu Z Q 2013 Acta Phys. Sin. 62 024207 (in Chinese) [王华英, 刘飞飞, 宋修法, 廖薇, 赵宝群, 于梦杰, 刘佐强 2013 62 024207]
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