Interference e-μ scattering in two-mode pulse-wave laser field

Three-dimensional analysis of the effects of atom beam divergence angle on the process of fabricating nanograting is discussed based on the three-dimensional motion model of Cr atoms in Gaussian standing wave laser field. From the simulative results it can be seen that Atomic beam spreading plays an important role in determining the deposition nanometer quality, so the preparation of a high-collimated and transversely cooled atomic beam, typically under 0.6mrad, is essential to minimize the severely disadvantageous effects for deposition of atoms in laser standing wave

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Diffraction pattern of atoms in a resonant standing wave laser field

Optics Communications ◽

10.1016/0030-4018(81)90007-9 ◽

1981 ◽

Vol 37 (2) ◽

pp. 103-107 ◽

Cited By ~ 30

Author(s):

E. Arimondo ◽

A. Bambini ◽

S. Stenholm

Keyword(s):

Diffraction Pattern ◽

Standing Wave ◽

Laser Field ◽

Wave Laser

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Saturated fluorescence in a standing-wave laser field

Physical Review A ◽

10.1103/physreva.30.2495 ◽

1984 ◽

Vol 30 (5) ◽

pp. 2495-2498 ◽

Cited By ~ 3

Author(s):

Helen K. Holt

Keyword(s):

Standing Wave ◽

Laser Field ◽

Wave Laser

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Forces on atoms in a standing-wave laser field

Physical Review A ◽

10.1103/physreva.30.177 ◽

1984 ◽

Vol 30 (1) ◽

pp. 177-182 ◽

Cited By ~ 6

Author(s):

Emilio Fiordilino ◽

Marvin H. Mittleman

Keyword(s):

Standing Wave ◽

Laser Field ◽

Wave Laser

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Melted Zone Shapes Transformation in Titanium Alloy Welded Using Pulse Wave Laser

Materials Science Forum ◽

10.4028/www.scientific.net/msf.882.8 ◽

2017 ◽

Vol 882 ◽

pp. 8-12

Author(s):

Zazuli Mohid ◽

N.H. Rafai ◽

Mohd Rasidi Ibrahim ◽

E.A. Rahim

Keyword(s):

Titanium Alloy ◽

Cross Section ◽

Pulse Wave ◽

Internal Temperature ◽

Material Characteristic ◽

Butt Welding ◽

Melted Zone ◽

Middle Range ◽

Wave Laser ◽

Titanium Alloy Ti6al4v

The study demonstrates laser welding of titanium alloy Ti6Al4V using middle range power Nd:YAG laser. Butt welding cross section views were analyzed to understand the influence of several scanning parameters to the welding beads shapes and material characteristic changes. Pulse laser was used to perform welding on titanium alloys Ti6Al4V. It was found out that fusion zone can appear in two layers which could give clues to internal temperature distribution during the scanning process.

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SEMI-CLASSICAL SIMULATION OF ATOMIC DEPOSITION IN A STANDING WAVE LASER FIELD

Modern Physics Letters B ◽

10.1142/s0217984904006883 ◽

2004 ◽

Vol 18 (05n06) ◽

pp. 233-239

Author(s):

XIANZHONG CHEN ◽

HANMIN YAO ◽

XUNAN CHEN ◽

CHUNMEI ZHANG

Keyword(s):

Standing Wave ◽

Laser Field ◽

Optical Potential ◽

Deposition Time ◽

Velocity Spread ◽

Classical Simulation ◽

Focus Depth ◽

Scale Structures ◽

Wave Laser ◽

Light Standing Wave

An atom lens generated by a near-resonant light standing wave can be used to produce nanometer-scale structures. Our calculations are based on a Monte Carlo scheme and the trajectory tracing method. The influences of optical potential and source imperfection such as velocity spread and beam spread on the shape of chromium feature are analyzed using this approach. Results have shown that the focus depth for real source is longer than that for perfect source. Feature separation can be reduced by changing the detuning of the standing wave laser field from blue to red halfway through the deposition time.

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