The Nd:YAG laser is a solid-state laser that uses neodymium ions doped in a yttrium aluminum garnet crystal as its gain medium. It emits light at a wavelength of 1064 nanometers, which is in the infrared spectrum. This type of laser is known for its high efficiency and ability to produce a powerful beam, making it suitable for various applications, including medical procedures and industrial cutting. In medical settings, the Nd:YAG laser is often used for procedures like laser surgery, tattoo removal, and skin resurfacing. Its ability to penetrate deep into tissues while minimizing damage to surrounding areas makes it a valuable tool in dermatology and ophthalmology. Additionally, it is utilized in manufacturing for cutting and welding materials, showcasing its versatility across different fields.