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    Journals >Laser & Optoelectronics Progress >Volume 60 >Issue 12 >Page 1200002 > Article
    • Laser & Optoelectronics Progress
    • Vol. 60, Issue 12, 1200002 (2023)
    Research Progresses and Application Prospects of Optical Coherence Tomography in Forensic Science
    Di Wu1, Shuhui Gao1,*, Ning Zhang2,**, Yifan Lu1..., Fei Xie1, Hao Zhang1, Sanyuan Ju1, Haoran Zeng1 and Chengming Wang3|Show fewer author(s)
    Author Affiliations
  • 1School of Investigation, People's Public Security University of China, Beijing 100038, China
  • 2Institute of Forensic Science, Ministry of Public Security, Beijing 100038, China
  • 3JINSP Co., Ltd., Beijing 100038, China
    • show less
    DOI: 10.3788/LOP220944 Cite this Article Set citation alerts
    Di Wu, Shuhui Gao, Ning Zhang, Yifan Lu, Fei Xie, Hao Zhang, Sanyuan Ju, Haoran Zeng, Chengming Wang. Research Progresses and Application Prospects of Optical Coherence Tomography in Forensic Science[J]. Laser & Optoelectronics Progress, 2023, 60(12): 1200002 Copy Citation Text show less
    Schematic of time-domain OCT
    Fig. 1. Schematic of time-domain OCT
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    Keywords changing with timeline
    Fig. 2. Keywords changing with timeline
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    Keywords with the strongest citation bursts
    Fig. 3. Keywords with the strongest citation bursts
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    cmOCT imaging of the finger[25]
    Fig. 4. cmOCT imaging of the finger[25]
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    Comparison between the SEM image (left) and the OCT image (right)[72]
    Fig. 5. Comparison between the SEM image (left) and the OCT image (right)[72]
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    OCT images of reproducing the damaged paint[73]
    Fig. 6. OCT images of reproducing the damaged paint[73]
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    ApplicationSystem typeParameterObjectTrace materialMethodReference
    Fingermarks developmentFull-field swept-source OCTSLD power：7.5mW；High SNR；Center wavelength：842.5 nm；FWHM：48.3 8nm；Maximum imaging depth：0.418 mmGlassWhite fluidMorphological analysis［14-15］
    Spectral-domain OCTSLD power：13 mW；SNR：100 dB；Center wavelength：832 nm；FWHM：60.4 nm；Maximum imaging speed：70 kHzRed electrical tape，tan box-sealing tape，scotch tapeSweat oilMorphological analysis［16-17］
    Spectral-domain OCTCenter wavelength：832 nm；FWHM：60.4 nm；Maximum imaging speed：70 kHz；Depth resolution：~6 μmSlide covered with paintRed stamp-pad ink，bloodMorphological analysis［18-19］
    Fingerprints identificationTime-domain OCTSLD power：375 μW；Center wavelength：（1300±15）nm；Resolution：~25 μm；Maximum imaging depth：2.2 mm（in air）Plastic，cement，liquid silicon rubber—Autocorrelation analysis［20］
    Swept-source OCTCenter wavelength：1320 nm；FWHM：120 nm；Resolution：~13 μm；Maximum imaging speed：20 kHz

    Thin layer

    fakes，sweat glands

    		—Manual classification，automatic analysis［21］
    Fourier -domain OCTWavelength：1300 nm；Depth resolution：5.5 μm；Maximum imaging depth：3.5mm（in aqueous solution）Paraffin wax，capacitor black glue，sweat glands—Morphological analysis［22］
    Fourier -domain OCTSLD power：10mW；Center wavelength：1325 nm；FWHM：100 nm；Depth resolution：12 μm in air，8.8 μm in skin；Maximum imaging depth：3 mmInternal fingerprint，paraffin wax—FAR，FRR［23］
    Swept-source OCTSLD power：16 mW；Center wavelength：1310nm；FWHM：80 nm；Depth resolution：9.3 μm in air，6.6 μm in skin；Maximum imaging speed：50 kHzSubcutaneous capillary

    —

    		Intensity-based Doppler variance，morphological analysis［24］
    Swept-source OCTCenter wavelength：1325nm；Depth resolution：12 μm；Maximum imaging speed：16 kHz

    Sub-surface

    fingerprints，sweat glands，capillary

    		—Correlation mapping optical coherence tomography［25］
    Table 1. Summary of application parameters and methods of OCT system in fingerprint inspection
    Abstract
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    References (77)
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    Di Wu, Shuhui Gao, Ning Zhang, Yifan Lu, Fei Xie, Hao Zhang, Sanyuan Ju, Haoran Zeng, Chengming Wang. Research Progresses and Application Prospects of Optical Coherence Tomography in Forensic Science[J]. Laser & Optoelectronics Progress, 2023, 60(12): 1200002
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    Paper Information
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