Optical Coherence Elastography (OCE)

Biomechanics/Elasticity

Mechanical properties measurement is useful for studying change or characteristics of biological system like cell or tissues. Elasticity is one of major biomechanical properties. For examples elastic properties of cancer cell are related to metastasis of cancer cell and diseased cell’s elasticity is changed.

Elastography/OCE

Elastography is the method for measuring and imaging elasticity of sample by using various existing imaging modalities. OCE is one kind of elastography based on OCT system. While some force is applied to the surface of sample, OCT system measure and imaging surface displacement. From force and displacement information given by OCE system, Young’s modulus, signifying elasticity, is calculated.

Ultrasonic force

Ultrasound is used in a lot of biomedical field because of its safety. In OCE system, ultrasonic force is used to give a force to the sample surface.

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