• No results found

Gaussian Laser

Dense relativistic electron mirrors from a Laguerre-Gaussian laser-irradiated micro-droplet

Dense relativistic electron mirrors from a Laguerre-Gaussian laser-irradiated micro-droplet

... LG laser pulse interacts with the helium droplet, annular electron bunches are expelled from the target every laser cycle and propagate along the x-axis, as is shown in ...normal Gaussian ...

5

The Study of Optoacoustic First and Second Sound Waves in Superfluid Helium under the Effect of Gaussian Laser Light Considering Electrostriction Mechanism

The Study of Optoacoustic First and Second Sound Waves in Superfluid Helium under the Effect of Gaussian Laser Light Considering Electrostriction Mechanism

... of Gaussian laser light on first and second sound waves in superfluid helium theoretically using optoacoustic ...Affecting Gaussian laser light on these crystal parts, a spectrum of ...

8

Analyzing the Propagation Behavior of a Gaussian Laser Beam through Seawater and Comparing with Atmosphere

Analyzing the Propagation Behavior of a Gaussian Laser Beam through Seawater and Comparing with Atmosphere

... Abstract: Study of the beam propagation behavior through oceanic media is a challenging subject. In this paper, based on generalized Collins integral, the mean irradiance profile of Gaussian laser beam ...

7

Nonlinear Ionization of Molecules by Intense Transform Limited Gaussian Laser Pulses

Nonlinear Ionization of Molecules by Intense Transform Limited Gaussian Laser Pulses

... transform-limited Gaussian laser pulse of 267-nm wavelength (photons of ...the laser-ion interaction consists in solving the time-dependent Schrödinger equa- tion (TDSE), describing the motion of the ...

8

Acceleration and evolution of a hollow electron beam in wakefields driven by a Laguerre-Gaussian laser pulse

Acceleration and evolution of a hollow electron beam in wakefields driven by a Laguerre-Gaussian laser pulse

... Laguerre-Gaussian laser pulse and ionization-induced injection in a laser wakefield ...drive laser pulse and the focusing forces from the ...the laser-plasma parameters (e.g., ...

7

Attosecond electron bunches from a nanofiber driven by Laguerre-Gaussian laser pulses

Attosecond electron bunches from a nanofiber driven by Laguerre-Gaussian laser pulses

... from laser-plasma interactions either carry low beam charge, or propagate for only several tens of ...(LG) laser pulse with a ...LG laser pulse, enabling each bunch to be phase-locked and accelerated ...

9

Modeling Of The Gaussian Laser Beam By Approximate Solution Of Helmholtz Equation

Modeling Of The Gaussian Laser Beam By Approximate Solution Of Helmholtz Equation

... that laser beams have a symmetric intensity ...He-Ne laser (λ= ...the laser light falling onto the detector when the laser beam is not ...the laser and it moved on a translational stage ...

5

Conical diffraction and Bessel beam formation with a high optical quality biaxial crystal

Conical diffraction and Bessel beam formation with a high optical quality biaxial crystal

... a Gaussian laser ...a Gaussian laser beam It also avoids some of the limitations of other Bessel beam formation techniques, such as the low efficiency of using a ring aperture in combination ...

9

All optical flow control of a polariton condensate using nonresonant excitation

All optical flow control of a polariton condensate using nonresonant excitation

... the Gaussian laser spot, the overall count rate within the high-energy region of the free propagating condensate (region I, indicated by dashed lines in ...central Gaussian laser spot is much ...

7

Stronger Self Focusing of Hermite Cosh Gaussian (HChG) Laser Beam in Plasma

Stronger Self Focusing of Hermite Cosh Gaussian (HChG) Laser Beam in Plasma

... propagating laser pulse of extremely high intensities of the order ranging from 10 17 - 10 20 W/cm 2 ...intensity laser pulses provide sufficient energy to the constituent particles of the plasmas which ...

8

Nonlinear Optical Characteristics of Crystal VioletDye Doped Polystyrene Films by Using Z-Scan Technique

Nonlinear Optical Characteristics of Crystal VioletDye Doped Polystyrene Films by Using Z-Scan Technique

... single Gaussian laser beam in light focus as in Fig (1), the transmittance of a nonlinear medium (crystal violet doped polystyrene film) with different doping ratio through a finite aperture is measured as ...

6

Spreading of Four-Petal Lorentz-Gauss Beams Propagating through
 Atmospheric Turbulence

Spreading of Four-Petal Lorentz-Gauss Beams Propagating through Atmospheric Turbulence

... of laser applications in high rate communication under atmospheric ...of laser beam propagating in atmospheric turbulence have been widely studied, such as two Gaussian laser beams [1], ...

7

EXPERIMENTAL VERIFICATION OF THE TURBULENT EFFECTS ON LASER BEAM PROPAGATION IN SPACE

EXPERIMENTAL VERIFICATION OF THE TURBULENT EFFECTS ON LASER BEAM PROPAGATION IN SPACE

... To determine the extent to which the thermal tur- bulence affected the propagating laser beam, it was necessary to compare readings 2-5 with reading 1. A fast Fourier transform (FFT) was used, since it resolves an ...

17

Detection of Angle of Arrival of the Laser Beam using a Cylindrical Lens and Gaussian Beam Curve Fitting

Detection of Angle of Arrival of the Laser Beam using a Cylindrical Lens and Gaussian Beam Curve Fitting

... The Gaussian beam (wave) is generated using Gaussian function in MATLAB and different intensity of white Gaussian noise is added to the generated wave for achieving different signal to noise ratios ...

9

Acceleration and radiation of externally injected electrons in laser plasma wakefield driven by a Laguerre-Gaussian pulse

Acceleration and radiation of externally injected electrons in laser plasma wakefield driven by a Laguerre-Gaussian pulse

... A typical far field radiation distribution is shown in Fig. 5. As one knows usually the betatron radiation may show asymmetric far field intensity distributions if ionization injection is used or electrons have ...

12

An investigation of self-focussing of a laser pulse in a laser-produced plasma

An investigation of self-focussing of a laser pulse in a laser-produced plasma

... fractive index occurs essentially instantaneously, even compared to the shortest of the laser pulses, self- focussing due to the ponderomotive force has a finite response time as mentioned above. The thresholds ...

146

ELECTRON LASER ACCELERATION: IS THE GAUSSIAN BEAM DESCRIPTION ADEQUATE?

ELECTRON LASER ACCELERATION: IS THE GAUSSIAN BEAM DESCRIPTION ADEQUATE?

... It has often been remarked in the references cited above that a plane-wave model is only an idealization, of value in at least two main respects: it helps build a clear intuitive picture for the scheme, and it plays a ...

19

Optical spanners and improved optical tweezers

Optical spanners and improved optical tweezers

... the laser power and lock an optically levitated sphere in space [10] and Roosen and Imbert in 1976 demonstrated a method for optical levitation using two horizontal TEM q ^ ...

182

No activation theorem for Gaussian nonclassical correlations by Gaussian operations

No activation theorem for Gaussian nonclassical correlations by Gaussian operations

... variable Gaussian states and their interplay with ...input Gaussian states, we prove that such an activation protocol cannot be accomplished with Gaussian operations, as the latter are unable to ...

9

Forecasting modeling with kernel function integration in gaussian processes

Forecasting modeling with kernel function integration in gaussian processes

... consistent with the function form for repeated but irregular data learning. It corresponds to the kernel of the quadratic algorithm, which is a function of complex change, but is slowly changing, and because of the fact ...

6

Show all 8629 documents...

Related subjects