搜索结果: 1-15 共查到“laser beam”相关记录20条 . 查询时间(0.513 秒)
Study of tunable resonances in laser beam divergence and beam deflection
Tunable radiofrequency resonances noise of lasers beam-width fluctuation beam-deviation fluctuation
2012/5/29
New, fundamental resonant properties of laser resonators are theoretically predicted and experimentally demonstrated. These resonances occur either in the time dependence of the beam width and that of...
Comparison of hard x-ray production from various targets in air using a short pulse kHz laser with photon production from a high power multifilament laser beam from the same targets in air
multifilament short pulse kHz laser
2011/9/5
Over the last few years there has been much interest in the production of hard X-rays from various targets using a kHz short pulse laser at intensities above 1014Wcm-2 (A). Most of these studies have ...
Phase disorder on laser beam combining in a Talbot resonator
Talbot resonator laser beam combining a six-core and a twelve-core photonic crystal fiber
2011/8/31
We study the role that phase disorder plays in the mode discrimination characteristics of a Talbot resonator.Two cases considered here correspond to a six-core and a twelve-core photonic crystal fiber...
Fraunhofer diffraction of a Laguerre-Gaussian laser beam by fork-shaped grating
Fraunhofer diffraction Laguerre-Gaussian laser beam fork-shaped grating
2010/11/17
In this article we present a theoretical study for Fraunhofer diffraction of a Laguerre-Gaussian laser beam with zeroth radial mode number and azimuthal mode number l by diffractive grating with embe...
Neutrino oscillations with a polarized laser beam: an analogical demonstration experiment
Neuteino oscillation birefringence demonstration experiment
2010/3/15
The underlying physics of neutrino oscillation in vacuum can be demonstrated by an optical analogical experiment. Two different neutrino flavors are represented by two polarization states of a laser b...
Acceleration of charged particles in laser beam
Acceleration of charged particles Laser Maser Relativistic dynamics
2010/8/16
The interest in practical development of accelerating devices for charged particles recently has rapidly grown. The elaboration of new theoretical models and many successful experiments resulting in g...
Evaluation of titanium implants with surface modification by laser beam: biomechanical study in rabbit tibias
Dental implants Lasers Osseointegration
2009/10/16
The purpose of the present study was to evaluate, using a biomechanical test, the force needed to remove implants with surface modification by laser (Nd:YAG) in comparison with implants with machined ...
Development of an Automatic Silkworm Larvae Hemolyph Collection System by Infrared Laser Beam Incision Technique
insect factory baculovirus NPV
2009/9/10
To establish an insect factory for mass production of useful substances using silkworms, the author developed a silkworm hemolymph collection system to efficiently collect hemolymph from 5th-instar la...
Laser Beam Welding of AA5052, AA5083, and AA6061 Aluminum Alloys
Laser Beam Welding AA5052 AA5083 AA6061 Aluminum Alloys
2009/9/2
The present investigation was mainly concerned with characteristics of autogeneous laser butt welding of 2 mm thickness nonheat treatable AA5052-H12, AA5083-H12 and 2 mm, 3 mm thickn...
As a part of the fundamental researches on the use of a laser beam for physical control of weed, pest and disease, the effect of using a laser beam on the rice plant was studied. The laser beam of 53...
Laser Beam Shaping by Computer Generated Hologram
Computer generated hologram Beam shaping Diffraction efficiency
2009/6/8
A computer generated hologram (CGH) is a useful tool for various optical applications, such as beam multiplexing, patterning, beam homogenizer, etc. The precise technologies are important issue for th...
Progress in New Laser Beam on Optical Beam Quality
Optical beam quality Equivalent optical beam quality Intracavity CO2 laser
2009/6/8
The historical and present research work of our group in laser beam on optical beam quality is reviewed in this paper. An invented intracavity CO2 laser with Me2 < 1 is presented, and the optical beam...
Preface to the Special Issue on Latent Ability of Laser Beam Revealed with Phase/Polarization Control
Latent Ability Laser Beam Phase/Polarization Control
2009/6/8
Preface to the Special Issue on Latent Ability of Laser Beam Revealed with Phase/Polarization Control.
Laser Beam Control by Electro-Optic Devices Using Polarization Reversal
Polarizaion reversal Domain inversion Electro-optic devices
2009/6/8
Polarization reversal of an electro-optic crystal makes spatial control of the modulation polarity in the crystal. Electro-optic modulators using polarization reversal have remarkable features of spat...
Laser beam interactions with metal matrix AlSi alloy/SiCp composites
Metal matrix composites Heat treatment Laser modelling
2010/1/19
Purpose: The purpose of the research discussed in this paper was to identify the physical processes that take
place when a focused laser beam acts on a metal matrix composites reinforced with silicon...