نتایج جستجو برای: doped yttrium aluminum garnet lasers
تعداد نتایج: 125059 فیلتر نتایج به سال:
We have measured the melting curve of ethane from 300 to 450 K. Our results indicate that describe all data above triple point, it is necessary account for a kink in where phase III–phase IV solid–solid transition intersects curve. In solid state, we observe some evidence new existing close observed decomposition at high pressure and temperature can be catalyzed by ruby or samarium-doped yttriu...
Yttrium aluminum garnet nanoparticles both undoped and doped with lanthanide ions (Ce, Eu, Dy and Tb) having average size around 30 (73nm) nm were prepared by glycine nitrate combustion method followed by annealing at a relatively low temperature of 800 1C. Increase in the annealing temperature has been found to improve the luminescence intensity and for 1200 1C heated samples there exists stro...
The development of blue or gray cutaneous hyperpigmentation is a rare complication of chronic imipramine therapy. Treatment options for imipramine-induced hyperpigmentation are limited but include topical retinoids, bleaching agents, and laser therapy, with varying degrees of success. We report a case in which Q-switched alexandrite laser therapy alone led to nearly complete resolution of imipr...
Although endobronchial hamartoma is a rare benign tumor, most patients with endobronchial hamartoma have respiratory symptoms such as obstructive pneumonia, hemoptysis, cough, or dyspnea due to bronchial obstruction. It can cause irreversible post-obstructive pulmonary destruction, thus early diagnosis and treatment is very important. Recently, there have been cases of neodymium-doped yttrium a...
UNLABELLED The drive to attain cosmetic facial enhancement with minimal risk and rapid recovery has inspired the field of nonsurgical skin rejuvenation. Laser resurfacing was introduced in the 1980s with continuous wave carbon dioxide (CO(2)) lasers; however, because of a high rate of side effects, including scarring, short-pulse, high-peak power, and rapidly scanned, focused-beam CO(2) lasers ...
A four-rod/four-TEM00-mode beam off-axis parabolic mirror solar pumping concept is proposed. Four mirrors with 10 m2 total collection area were used as the primary concentrators to pump four 3.1-mm diameter, 84-mm length neodymium-doped yttrium aluminum garnet (Nd:YAG) rods within 2V-shaped cavities through secondary fused-silica aspheric and rectangular light guides, ensuring a good absorbed p...
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