• Acta Photonica Sinica
  • Vol. 51, Issue 10, 1017002 (2022)
Zhichao HAN* and Yiping HAN
Author Affiliations
  • School of Physics,Xidian University,Xi'an 710071,China
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    DOI: 10.3788/gzxb20225110.1017002 Cite this Article
    Zhichao HAN, Yiping HAN. Simulation Analysis of Skin Cancer Diagnosis Using Terahertz-waves Photoacoustic Effect(Invited)[J]. Acta Photonica Sinica, 2022, 51(10): 1017002 Copy Citation Text show less
    Schematic diagram of skin and skin structure with BCC
    Fig. 1. Schematic diagram of skin and skin structure with BCC
    Terahertz photo-thermal response of normal skin tissue
    Fig. 2. Terahertz photo-thermal response of normal skin tissue
    Schematic of BCC models at different growth stages
    Fig. 3. Schematic of BCC models at different growth stages
    Terahertz photo-thermal response of skin group containing BCC
    Fig. 4. Terahertz photo-thermal response of skin group containing BCC
    Temperature distribution as BCC spreads throughout the epidermis
    Fig. 5. Temperature distribution as BCC spreads throughout the epidermis
    Skin tissue photoacoustic signal in backward detection mode
    Fig. 6. Skin tissue photoacoustic signal in backward detection mode
    Photoacoustic signal in different growth stages of BCC
    Fig. 7. Photoacoustic signal in different growth stages of BCC
    Photoacoustic signal in different growth stages of BCC(partial magnification)
    Fig. 8. Photoacoustic signal in different growth stages of BCC(partial magnification)
    TissueAbsorption coefficient/cm-1Refractive index
    Stratum corneum16.621.55+0.04i
    Epidermis152.521.82+0.36i
    Dermis92.052.14+0.22i
    BBC189.412.09+0.45i
    Table 1. Optical parameters of human lamellar skin and BCC under 1.0 THz radiation
    Tissueρ/(kg·m-3β/(K-1k/(W·m-1K-1Cp/(J·g-1K-1c/(m·s-1
    Stratum corneum1 2400.6×10-40.1481 9761 624
    Epidermis1 1500.6×10-40.32 6981 624
    Dermis1 0900.6×10-40.423 2451 624
    BBC1 0600.6×10-40.4853 5421 624
    Table 2. Human layered skin and BCC thermal parameters
    Zhichao HAN, Yiping HAN. Simulation Analysis of Skin Cancer Diagnosis Using Terahertz-waves Photoacoustic Effect(Invited)[J]. Acta Photonica Sinica, 2022, 51(10): 1017002
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