Thermoacoustic imaging is a unique imaging technique that combines the principles of acoustics and thermal imaging to visualize tissues inside the body. The technology relies on the generation of acoustic waves within tissues through the absorption of pulsed laser energy, which subsequently produces thermal expansion and results in the emission of detectable ultrasound waves. These ultrasound waves are then captured and processed to generate high-resolution images of the tissue structure. Thermoacoustic imaging has shown promise in various biomedical applications, such as cancer detection, monitoring of vascular abnormalities, and studying the functions of organs. The technique offers several advantages over traditional imaging modalities, including higher spatial resolution, deeper tissue penetration, and the ability to differentiate between different tissue types based on their thermal and acoustic properties. As a result, thermoacoustic imaging is being actively researched and developed for its potential to improve the diagnosis and treatment of various medical conditions.