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727  Articles
1 of 74 pages  |  10  records  |  more records»
Experimental evaluation of spectral and power-current (P-I) characteristics of fiber coupled single emitter multimode laser diodes used for development of efficient pumping assembly is reported. Fiber coupled laser diodes emitting around 976 nm are best s... see more

Objectives: Light irradiation and heat have been used to accelerate the process of tooth bleaching. This study aimed to assess the efficacy of conventional bleaching compared to laser-bleaching using three different wavelengths of diode lasers.Materials a... see more

Detail characterization of the such laser diode is important for the applications. Electro-Optical and spectral characteristics of the high power 1064 nm DFB-MOPA lasers are investigated at room temperature as function of injection current. Beam quality i... see more

Objectives: Laser irradiation, as an adjunct to root canal preparation, may increase the success rate of endodontic treatments. This study aimed to assess the effect of neodymium-doped yttrium aluminum garnet (Nd:YAG) and diode lasers on the apical seal o... see more

Background: Au nanoparticles (AuNPs) exhibit very unique physiochemical and optical properties, which now are extensively studied in a range of medical diagnostic and therapeutic applications. AuNPs can be used for cancer clinical treatment with minimal i... see more

We present the design and development of folded four-mirror resonators for diode end-pumped solid-state Cr:LiSAF lasers. The astigmatic effects due to the Brewster-cut laser crystal and two curved mirrors used at oblique incidence were taken into consi... see more

We have numerically investigated, for the first time, the optical performance and characteristics of diode-end-pumped passively Cr4+^{4+}:YSO Q-switched solid-state Cr3+^{3 + }:LiSAF lasers using a rate equation system extended to multi-wavelength. Homo... see more

Background: Regular brushing teeth with scaling and root planning (SRP) cannot effectively decrease the periopatogen bacterial colonies. Even with the addition of antibiotics to support SRP, such as tetracycline given with low doses and for a long time ma... see more

Background: Regular brushing teeth with scaling and root planning (SRP) cannot effectively decrease the periopatogen bacterial colonies. Even with the addition of antibiotics to support SRP, such as tetracycline given with low doses and for a long time ma... see more

1 of 74 pages  |  10  records  |  more records»