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Since many industrial materials have micro or submicro structures on the surface or subsurface, utrahigh-resolution is required in the inspection of these materials. Ultrahigh-resolution optical coherence tomography uses broadband light sources to achieve axial image resolutions on the scale of a few microns. We have been investigating an ultrahigh-resolution spectral-domain optical coherence tomography (SD-OCT) system using supercontinuum sources (SC) in free space. The effective SC spectrum has a full width at half maximum of 230 nm centered around 665 nm, and the imaging setup has an ultrahigh axial resolution of 0.9 μm in air, and a lateral resolution of 3.9 μm, with the system measurement range being 0.6 mm in axial direction. At a 50 μm axial position, the sensitivity can be 63 dB with 28600 axial scans per second at 2048 pixels per axial scan. Images of polystyrene microspheres solution with an average diameter of 5 μm and different sizes of industrial abrasive papers are presented to illustrate the performance of the system.
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Keywords:
- optical coherence tomography /
- supercontinuum source /
- ultrahigh-resolution /
- industrial material inspection
[1] Huang D, Swanson E A, Lin C P, Schuman J S, Stinson W G, ChangW, Hee M R, Flotte T, Gregory K, Puliafito C A, Fujimoto J G 1991 Science 254 1178
[2] Drexler W, Fujimoto J G 2008 Optical coherence tomography: technology and applications (Berlin: Springer) pp1-72
[3] Wojtkowski M, Leitgeb R, Kowalczyk A, Fercher A F, Bajraszewski T 2002 J. Biomed. Opt. 7 457
[4] Nassif N, Cense B, Park B, Pierce M, Yun S, Bouma B, Tearney G, Chen T, de Boer J 2004 Opt. Express 12 367
[5] Cense B, Nassif N, Chen T, Pierce M, Yun S H, Park B, Bouma B, Tearney G 2004 Opt. Lett. 12 2435
[6] Chen Y, Huang S W, Aguirre A D, Fujimoto J G 2007 Opt. Lett. 32 1971
[7] Yadav R, Lee K S, Rolland J P, Zavislan J M, Aquavella J V, Yoon G 2011 Biomed. Opt. Express 2 3037
[8] Fernández E J, Hermann B, Považay B, Unterhuber A, Sattmann H, Hofer B, Ahnelt P, Drexler W 2008 Opt. Express 16 11083
[9] Bayleyegn M D, Makhlouf H, Crotti C, Plamann K, Dubois A 2012 Opt. Commun. 285 5564
[10] Drexler W 2004 J. Biomed. Opt. 9 47
[11] Leitgeb R, Drexler W, Unterhuber A, Hermann B, Bajraszewski T, Le T, Stingl A, Fercher A 2004 Opt. Express 12 2156
[12] Zhao C, Chen Z Y, Ding Z H, Li P, Shen Y, Ni Y 2014 Acta Phys. Sin. 63 194201 (in Chinese) [赵晨, 陈志彦, 丁志华, 李鹏, 沈毅, 倪秧 2014 63 194201]
[13] Prykäri T, Czajkowski J, Alarousu E, Myllylä R 2010 Opt. Rev. 17 218
[14] Wiesauer K, Pircher M, Götzinger E, Bauer S, Engelke R, Ahrens G, Grützner G, Hitzenberger C, Stifter D 2005 Opt. Express 13 1015
[15] Heise B, Schausberger S E, Häuser S, Plank B, Salaberger D, Leiss-Holzinger E, Stifter D 2012 Opt. Fiber. Technol. 18 403
[16] Kumar M, Islam M N, Terry F L, Aleksoff C C, Davidson D 2010 Opt. Express 18 22471
[17] Xue P, Fujimoto J G 2008 Chin. Sci. Bull. 53 1963
[18] Safrani A, Abdulhalim I 2012 Opt. Lett. 37 458
[19] Yan Y Z, Ding Z H, Wang L, Shen Y 2013 Acta Phys. Sin. 62 164204 (in Chinese) [颜扬治, 丁志华, 王玲, 沈毅 2013 62 164204]
[20] Wang K, Ding Z H 2008 Chin. Opt. Lett. 6 902
[21] Bao W, Ding Z H, Wang C, Mei S T 2013 Acta Phys. Sin. 62 114202 (in Chinese) [鲍文, 丁志华, 王川, 梅胜涛 2013 62 114202]
[22] Wojtkowski M, Srinivasan V, Ko T, Fujimoto J G, Kowalczyk A, Duker J 2004 Opt. Express 12 2404
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[1] Huang D, Swanson E A, Lin C P, Schuman J S, Stinson W G, ChangW, Hee M R, Flotte T, Gregory K, Puliafito C A, Fujimoto J G 1991 Science 254 1178
[2] Drexler W, Fujimoto J G 2008 Optical coherence tomography: technology and applications (Berlin: Springer) pp1-72
[3] Wojtkowski M, Leitgeb R, Kowalczyk A, Fercher A F, Bajraszewski T 2002 J. Biomed. Opt. 7 457
[4] Nassif N, Cense B, Park B, Pierce M, Yun S, Bouma B, Tearney G, Chen T, de Boer J 2004 Opt. Express 12 367
[5] Cense B, Nassif N, Chen T, Pierce M, Yun S H, Park B, Bouma B, Tearney G 2004 Opt. Lett. 12 2435
[6] Chen Y, Huang S W, Aguirre A D, Fujimoto J G 2007 Opt. Lett. 32 1971
[7] Yadav R, Lee K S, Rolland J P, Zavislan J M, Aquavella J V, Yoon G 2011 Biomed. Opt. Express 2 3037
[8] Fernández E J, Hermann B, Považay B, Unterhuber A, Sattmann H, Hofer B, Ahnelt P, Drexler W 2008 Opt. Express 16 11083
[9] Bayleyegn M D, Makhlouf H, Crotti C, Plamann K, Dubois A 2012 Opt. Commun. 285 5564
[10] Drexler W 2004 J. Biomed. Opt. 9 47
[11] Leitgeb R, Drexler W, Unterhuber A, Hermann B, Bajraszewski T, Le T, Stingl A, Fercher A 2004 Opt. Express 12 2156
[12] Zhao C, Chen Z Y, Ding Z H, Li P, Shen Y, Ni Y 2014 Acta Phys. Sin. 63 194201 (in Chinese) [赵晨, 陈志彦, 丁志华, 李鹏, 沈毅, 倪秧 2014 63 194201]
[13] Prykäri T, Czajkowski J, Alarousu E, Myllylä R 2010 Opt. Rev. 17 218
[14] Wiesauer K, Pircher M, Götzinger E, Bauer S, Engelke R, Ahrens G, Grützner G, Hitzenberger C, Stifter D 2005 Opt. Express 13 1015
[15] Heise B, Schausberger S E, Häuser S, Plank B, Salaberger D, Leiss-Holzinger E, Stifter D 2012 Opt. Fiber. Technol. 18 403
[16] Kumar M, Islam M N, Terry F L, Aleksoff C C, Davidson D 2010 Opt. Express 18 22471
[17] Xue P, Fujimoto J G 2008 Chin. Sci. Bull. 53 1963
[18] Safrani A, Abdulhalim I 2012 Opt. Lett. 37 458
[19] Yan Y Z, Ding Z H, Wang L, Shen Y 2013 Acta Phys. Sin. 62 164204 (in Chinese) [颜扬治, 丁志华, 王玲, 沈毅 2013 62 164204]
[20] Wang K, Ding Z H 2008 Chin. Opt. Lett. 6 902
[21] Bao W, Ding Z H, Wang C, Mei S T 2013 Acta Phys. Sin. 62 114202 (in Chinese) [鲍文, 丁志华, 王川, 梅胜涛 2013 62 114202]
[22] Wojtkowski M, Srinivasan V, Ko T, Fujimoto J G, Kowalczyk A, Duker J 2004 Opt. Express 12 2404
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