In recent years, due to its inherent advantages and technological development, laser processing has grown in market demand. The solid-state laser is characterized by its narrow pulse width, large output energy, high peak power and good material absorption. It has performed well in the fields of fine micromachining, industrial processing, and laser medical treatment, and has been widely recognized by the market.
For example, in the industrial field, in addition to traditional laser marking, scribing, cutting, drilling, material removal, surface treatment, and special material processing, the development of new technologies such as additive manufacturing, 3D printing, new displays, and UV laser marking Further broaden the application field of solid-state laser.
The pump source assumes the function of the excitation source in the laser, and the 808nm laser diode is the core component of the pump source. The working principle of the pump source is to use a 808nm laser diode to pump by injecting current. Its operating voltage and current are compatible with integrated circuits, so the threshold is monolithically integrated to obtain high-speed modulated laser output. The laser requires uniform optical properties for the output laser performance, good optical transparency, and stable performance.
For semiconductor-pumped solid-state lasers, the coupling of light is particularly important. Coupling is divided into spatial coupling and optical fiber coupling, spatial coupling, the two do not need to be connected together, thereby reducing production costs and manufacturing processes; optical fiber coupling, the need to fuse the fiber together, we need to use a fusion splicer, which increases the manufacturing cost. The 808nm VCSEL chip independently developed by Xinliang Intelligent is very suitable for the production of space-coupled 808nm DiodePump Solid State Laser. The final product can reach hundreds of watts.
Compared with the traditional side-emitting 808nm laser pump source, VCSEL has good wavelength stability, the wavelength temperature coefficient is 0.07nm / ° C, the traditional side-emitting wavelength temperature coefficient is 0.25-0.3nm / ° C; at the same time, the VCSEL laser also It has the characteristics of small divergence angle and output circular spot, which is conducive to collimation or focusing, simplifies the coupling link, helps to reduce costs and improve reliability; VCSEL also has the advantages of high reliability, wide operating temperature range, and is more suitable for industrial Laser requirements; the use of VCSEL pump laser source is the future trend of high-performance solid-state lasers and chip solid-state lasers.
The 808nm VCSEL chip has a planar package, which has a small size and light weight; high output power, small temperature effect, low wavelength drift as low as 0.07nm / ℃, stable performance; lifespan up to 50000 hours.
Based on 808nm VCSEL laser diode, it can be made into 808nm high power vertical stacked semiconductor laser module, which is used in semiconductor laser hair removal products and other fields. It can provide multiple laser Bar strips vertically stacked package to form high power laser Output, using high-density laser Bar strip stacking technology, Bar strip spacing is small, so that the module can maintain a small size while obtaining high-brightness laser output, providing efficient work.
Tyson is VCSEL laser diode Supplier and can supply 808nm VCSEL laser diode, 850nm VCSEL laser diode and 940nm VCSEL laser diode.
