Volume 1, 2021

 

THE LASER RADIATION PROPAGATION PROCESSES MODELLING FOR THE NEEDS OF THE PHOTODYNAMIC THERAPY

Stoyanka Petkova – Georgieva and Teodora Petrova
Pages: 16-22


ABSTRACT: The so-called photodynamic therapy has been introduced relatively recently in the modern medical practice in the procedures for detection and treatment of malignant diseases by integrating the useful characteristics of the laser beam. Therefore, photodynamic therapy is relied on and applied by doctors as a comparatively new method but at the same time fundamental for the process of detecting and treating malignancies. One of the prerequisites for the more difficult recognition of this method as an alternative therapy option is that there is no exact theory for the propagation of light in a structurally inhomogeneous environment, and experimental studies are further complicated by the need to maintain constant structural and dynamic parameters. The present study provides a solution to this problem by proposing a methodology for computer modelling of the processes of laser radiation propagation and thus proves how useful photodynamic therapy can be in the procedures for detection and treatment of malignancies using the specific characteristics of the laser beam.

 

Keywords: mathematical model, lasers, photodynamic therapy

 

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