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Laser & Optoelectronics Progress, Volume. 62, Issue 4, 0418001(2025)

Sebaceous Fingerprint Composition and Imaging Using Microscopic Confocal Raman Spectroscopy

Chenglong Huang1, Hanze Man1, and Yabin Zhao1,2、*
Author Affiliations
  • 1School of Investigation, People's Public Security University of China, Beijing 100038, China
  • 2Public Security Behavioral Science Laboratory, People's Public Security University of China, Beijing 100038, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (8)
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    References (28)
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    Figures & Tables(8)
    Structure of micro confocal Raman image

    Fig. 1. Structure of micro confocal Raman image

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    Raman spectra of aluminum foil and sebaceous fingerprints

    Fig. 2. Raman spectra of aluminum foil and sebaceous fingerprints

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    Raman spectra of sebaceous fingerprints

    Fig. 3. Raman spectra of sebaceous fingerprints

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    Raman spectra of sebaceous fingerprints with different stamping times

    Fig. 4. Raman spectra of sebaceous fingerprints with different stamping times

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    Raman spectra of sebaceous fingerprints with different residual times

    Fig. 5. Raman spectra of sebaceous fingerprints with different residual times

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    Fingerprint display. (a) Fingerprint optical imaging;(b) (c) fingerprint Raman imaging;(d) fingerprint optical imaging and Raman imaging overlap stacking map

    Fig. 6. Fingerprint display. (a) Fingerprint optical imaging;(b) (c) fingerprint Raman imaging;(d) fingerprint optical imaging and Raman imaging overlap stacking map

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    Raman images of old fingerprints

    Fig. 7. Raman images of old fingerprints

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    • Table 1. Chemical bonds corresponding to characteristic peaks of fatty acids and triglyceride

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      Table 1. Chemical bonds corresponding to characteristic peaks of fatty acids and triglyceride

      Composition materialRaman shiftChemical bond
      Fatty acid1200‒1050 cm-1Stretching vibration of C—C
      1300‒1250 cm-1Torsional vibration of CH3—
      1500‒1400 cm-1Torsional vibration of —CH2—
      1672‒1653 cm-1Stretching vibration of C=C
      2967‒2832 cm-1Stretching vibration of —CH2— and CH3—
      Near 3000 cm-1Stretching vibration of =C—H
      Triglyceride1200‒1050 cm-1Stretching vibration of C—C
      1300‒1250 cm-1
      Torsional vibration of CH3—
      Torsional vibration of —CH2—
      1500‒1400 cm-1
      Stretching vibration of C=C
      1675‒1650 cm-1
      Stretching vibration of —CH2— and CH3—
      3000‒2840 cm-1
      Stretching vibration of =C—H
      Near 3005 cm-1
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    Chenglong Huang, Hanze Man, Yabin Zhao. Sebaceous Fingerprint Composition and Imaging Using Microscopic Confocal Raman Spectroscopy[J]. Laser & Optoelectronics Progress, 2025, 62(4): 0418001

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    Paper Information

    Category: Microscopy

    Received: May. 20, 2024

    Accepted: Jun. 11, 2024

    Published Online: Feb. 10, 2025

    The Author Email: Yabin Zhao (20052172@ppsuc.edu.cn)

    DOI:10.3788/LOP241326

    CSTR:32186.14.LOP241326

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology