Chen Xiao, Lu Jinling, Li Pengcheng. Viscoelasticity Measurement of Biological Tissues Using Laser Speckle Techniques: a Review[J]. Chinese Journal of Lasers, 2018, 45(2): 207005
- Chinese Journal of Lasers
- Vol. 45, Issue 2, 207005 (2018)
Fig. 1. Young's modulus of tissue constituents, structures, and organs
Fig. 2. System diagram of a typical viscoelastic measurement of biological tissues based on laser speckle
Fig. 3. Young's modulus measurement based on speckle contrast difference. (a) Measurement principle; (b) velocity calculation method; (c) Young's modulus of phantom with an inclusion
Fig. 4. (a) Speckle intensity autocorrelation curves measured during coagulation (at 0, 6, 10, 12 min) of a human blood sample; (b) changes of speckle autocorrelation time constant and viscoelasticity modulus during coagulation process of a human blood sample
Fig. 5. (a) White light photograph of a junctional nevus; (b) viscoelasticity photograph of a junctional nevus
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