Devices and methods for imaging of tissue structures and characterization of tissues for detection of localized absorption of electromagnetic waves

摘要

b devices and methods of forming images of tissue structures and characterization of tissues for detection of localized absorption of electromagnetic waves d methods and devices for M.EDir and characterize the properties of absorption of electromagnetic wave located in biological tissues (24) in vivo.Using electromagnetic wave incidents (26) to produce acoustic waves resulting from (28). The tissue is exposed to electromagnetic radiation of the modulation to produce acoustic signals for modulation.The acoustic signals of the modulation are detected by an acoustic sensor (30), which is primarily sensitive to acoustic radiation at a focal point (27) distant from said sensor.Multiple measurements from different focal points may, then,Be combined into an image or measurements in the same focal point of different excitation frequencies can be combined to produce an absorption spectrum for the tissue.Any one of which can be used for the purpose of medical diagnosis.