Germanium dioxide, as a material that plays a pivotal role in modern technological fields, exhibits extremely broad application prospects in multiple important sectors such as electronics, optics, and semiconductors, relying on its unique physical and chemical properties.In the field of electronics, germanium dioxide holds an indispensable position. It is a crucial raw material for the preparation of basic electronic devices such as capacitors and transistors. Taking capacitors as an example, germanium dioxide, with its excellent dielectric properties, can effectively store and release charges, greatly enhancing the energy storage efficiency and stability of capacitors, thus providing a solid guarantee for the stable operation of electronic devices. In the preparation of transistors, the semiconductor structures it participates in constructing can precisely control the flow of electrons, thereby achieving efficient signal amplification and processing, contributing to the miniaturization and high-performance development of electronic products.The field of optics also cannot do without the assistance of germanium dioxide. Utilizing its properties, high-refractive-index optical glass can be prepared. This type of glass possesses unique light refraction and scattering capabilities. In lens manufacturing, it can effectively correct light dispersion phenomena, significantly improving imaging clarity and color rendition. Whether used in high-end camera lenses or precision optical instruments, it can significantly optimize the performance of optical systems. In the field of semiconductors, the value of germanium dioxide should not be underestimated. It is an important raw material for the preparation of germanium crystals and germanium films. Germanium crystals and films, with their excellent electron mobility and low noise characteristics in semiconductor devices, are widely used in the manufacture of key semiconductor components such as high-speed integrated circuits and infrared detectors, providing powerful support for the continuous breakthroughs in semiconductor technology.