نتایج جستجو برای: laser assisted cladding

تعداد نتایج: 299896  

2014
Antonio Lucianetti Magdalena Sawicka Ondrej Slezak Martin Divoky Jan Pilar Venkatesan Jambunathan Stefano Bonora Roman Antipenkov Tomas Mocek

We present the results of performance modeling of a diode-pumped solid-state HiLASE laser designed for use in inertial fusion energy power plants. The main amplifier concept is based on a He-gas-cooled multi-slab architecture similar to that employed in Mercury laser system. Our modeling quantifies the reduction of thermally induced phase aberrations and average depolarization in Yb3+:YAG slabs...

2010
FANRONG KONG

The current work examines the heat-and-mass transfer process in the laser multilayered cladding of H13 tool steel powder by numerical modeling and experimental validation. A multiphase transient model is developed to investigate the evolution of the temperature field and flow velocity of the liquid phase in the molten pool. The solid region of the substrate and solidified clad, the liquid regio...

2010
Youbo Zhao Hiroshi Nakamura Robert J. Gordon

We describe a versatile, catheter-type two-photon probe, designed for in vivo and ex vivo imaging of the aqueous outflow pathway in the eye. The device consists of a silica double cladding fiber used for laser delivery and fluorescence collection, a spiral fiber scanner driven by a miniature piezoelectric tube, and an assembly of three micro-size doublet achromatic lenses used for focusing the ...

2008
William W. Cimino

Suction-Based Technologies • Liposuction or Suction-Assisted Lipoplasty (SAL) • Power-Assisted Lipoplasty (PAL) Ultrasound-Based Technologies • Internal Ultrasound-Assisted Lipoplasty (IUAL) • VASER-Assisted Lipoplasty (VAL) • External Ultrasound-Assisted Lipoplasty (EUAL) • Transdermal Ultrasound-Assisted Lipoplasty (TUAL) Laser-Based Technologies • External Laser-Assisted Lipoplasty (ELAL) • ...

Journal: :Chinese Journal of Mechanical Engineering 2022

Abstract Laser cladding is a new surface repair method that can improve the wear and corrosion resistance of substrate surfaces. However, layer typically exhibits rough surface, high hardness large residual tensile stress, thus requires further machining finishing. Ultrasonic rolling (U-rolling) highly efficient finishing strengthening process combines ultrasonic technology with traditional (T-...

Journal: :journal of lasers in medical sciences 0
mohammad asnaashari department of endodontic, school of dentistry, shahid beheshti university of medical sciences, tehran, iran. saeede zadsirjan department of endodontic, school of dentistry, shahid beheshti university of medical sciences, tehran, iran.

in this review collected from the literature on usage of laser in oral minor surgery based on a medline search in the time period between the years: 2008 and 2013, the most current evidence on laser-assisted oral minor surgery is going to be surveyed.

Journal: :Journal of the American Chemical Society 2005
Dmitri V Vezenov Brian T Mayers Richard S Conroy George M Whitesides Preston T Snee Yinthai Chan Daniel G Nocera Moungi G Bawendi

This communication describes a long (1 cm), laser-pumped, liquid core-liquid cladding (L2) waveguide laser. This device provides a simple, high intensity, tunable light source for microfludic applications. Using a core solution of 2 mM rhodamine 640 perchlorate, optically pumped by a frequency-doubled Nd:YAG laser, we found that the threshold for lasing was as low as 22 muJ (16-ns pulse length)...

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