High-voltage amplifiers serve as the precision engine driving cutting-edge scientific exploration. They provide the core power for scanning microscopy and adaptive optical systems, enabling nanoscale motion and precise wavefront control; excite electro-optic/piezoelectric effects in material research to facilitate the discovery of new properties; and deliver stable, reliable high-voltage electric fields for experiments such as particle manipulation, plasma generation, and laser modulation. With their low noise, fast response, and high stability, they form a solid foundation for innovative experiments in physics, materials science, biology, and optics.