Mechanical splicing is a method used to join two optical fibers together without the need for fusion or heat. This technique involves aligning the fibers precisely and securing them in place using a special connector or splice sleeve. The goal is to minimize signal loss and maintain the integrity of the light transmission through the fibers. This process is often preferred in situations where quick repairs are needed or when working with different types of fibers. Mechanical splicing is commonly used in telecommunications and data networks, ensuring reliable connections in systems that rely on optical fibers for data transfer.