Test target for characterizing 3D resolution of optical coherence tomography

Zhixiong Hu; Bingtao Hao; Wenli Liu; Baoyu Hong; Jiao Li

doi:10.1117/12.2073062

3 December 2014 Test target for characterizing 3D resolution of optical coherence tomography

Zhixiong Hu, Bingtao Hao, Wenli Liu, Baoyu Hong, Jiao Li

Proceedings Volume 9297, International Symposium on Optoelectronic Technology and Application 2014: Laser and Optical Measurement Technology; and Fiber Optic Sensors; 92971S (2014) https://doi.org/10.1117/12.2073062
Event: International Symposium on Optoelectronic Technology and Application 2014, 2014, Beijing, China

Abstract

Optical coherence tomography (OCT) is a non-invasive 3D imaging technology which has been applied or investigated in many diagnostic fields including ophthalmology, dermatology, dentistry, cardiovasology, endoscopy, brain imaging and so on. Optical resolution is an important characteristic that can describe the quality and utility of an image acquiring system. We employ 3D printing technology to design and fabricate a test target for characterizing 3D resolution of optical coherence tomography. The test target which mimics USAF 1951 test chart was produced with photopolymer. By measuring the 3D test target, axial resolution as well as lateral resolution of a spectral domain OCT system was evaluated. For comparison, conventional microscope and surface profiler were employed to characterize the 3D test targets. The results demonstrate that the 3D resolution test targets have the potential of qualitatively and quantitatively validating the performance of OCT systems.

Citation Download Citation

Zhixiong Hu, Bingtao Hao, Wenli Liu, Baoyu Hong, and Jiao Li "Test target for characterizing 3D resolution of optical coherence tomography", Proc. SPIE 9297, International Symposium on Optoelectronic Technology and Application 2014: Laser and Optical Measurement Technology; and Fiber Optic Sensors, 92971S (3 December 2014); https://doi.org/10.1117/12.2073062

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