Xiamen Powerway Advanced Material Co.,Ltd., a leading supplier of Epi service for GaAs-based laser wafers growth and other related products and services announced the new availability of size 3” is on mass production in 2017. This new product represents a natural addition to PAM-XIAMEN's product line. Dr. Shaka, said, "We are pleased to offer Quantum Well Laser Structure to our custome...
Direct diode lasers have some of the most attractive features of any laser. They are very efficient, compact, wavelength versatile, low cost, and highly reliable. However, the full utilization of direct diode lasers has yet to be realized. The poor quality of diode laser beam itself, directly affect its application ranges, in order to better use of diode laser stack, need a proper correction of op...
We report the generation of microdischarges in devices composed of microcrystalline diamond. Discharges were generated in device structures with microhollow cathode discharge geometries. One structure consisted of an insulating diamond wafer coated with boron-doped diamond layers on both sides. A second structure consisted of an insulating diamond wafer coated with metal layers on both sides. In e...
The density and light-scattering intensity of oxygen precipitates in CZ silicon crystals are measured by IR light-scattering tomography. The numerical data clarified through the measurements are discussed in relation to the amount of precipitated oxygen. The results obtained here correspond well with the theoretical analysis that oxygen precipitates cause light to scatter. The information obtained...
The bonding-temperature-dependent lasing characteristics of 1.5 a µm GaInAsP laser diode (LD) grown on a directly bonded InP substrate or Si substrate were successfully obtained. We have fabricated the InP substrate or Si substrate using a direct hydrophilic wafer bonding technique at bonding temperatures of 350, 400, and 450 °C, and deposited GaInAsP or InP double heterostructure layers on this I...
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