• No results found

coherent terahertz radiation generation

Sub GV/cm terahertz radiations from relativistic laser-solid interaction via coherent transition radiation

Sub GV/cm terahertz radiations from relativistic laser-solid interaction via coherent transition radiation

... THz radiation in some experiment reports match well with the CTR ...THz radiation of over 460μJ in the ...THz radiation yield is proportional to the square of particle ...THz radiation is ...

12

Coherent terahertz photonics

Coherent terahertz photonics

... THz generation using short pulse (fs) near-infrared lasers and photoconductive detector technology resulting in large, power hungry (kW) systems that have nonetheless helped in demonstrating the potential of THz ...

14

Multimillijoule coherent terahertz bursts from picosecond laser-irradiated metal foils

Multimillijoule coherent terahertz bursts from picosecond laser-irradiated metal foils

... THz radiation generated usually has an ultrabroadband spec- trum up to 30−100 THz, and the underlying THz generation mechanisms have not been fully ...THz radiation produced at the rear side of thin ...

7

High-energy coherent terahertz radiation emitted by wide-angle electron beams from a laser-wakefield accelerator

High-energy coherent terahertz radiation emitted by wide-angle electron beams from a laser-wakefield accelerator

... the generation of THz ...THz radiation with conversion efficiencies as high as 10 − 3 , although saturation tends to occur at high laser intensities [ 18 ] ...THz radiation through several mechanisms, ...

11

Multi-millijoule coherent terahertz bursts from picosecond laser-irradiated metal foils

Multi-millijoule coherent terahertz bursts from picosecond laser-irradiated metal foils

... THz radiation generated usually has an ultrabroadband spec- trum up to 30−100 THz, and the underlying THz generation mechanisms have not been fully ...THz radiation produced at the rear side of thin ...

6

Coherent terahertz radiation emitted by wide-angle electron beams from a laser-wakefield accelerator

Coherent terahertz radiation emitted by wide-angle electron beams from a laser-wakefield accelerator

... the generation of sub-picosecond duration, 1-2 MeV nanocoulomb electron beams emitted obliquely into a hollow cone around the laser propagation ...produce coherent transition radiation in the ...of ...

7

Waveguide Structures for Generation of Terahertz Radiation by Electro-Optical Process in GaAs
 and Zugep2 Using 1.55μm
 Fiber Laser Pulses

Waveguide Structures for Generation of Terahertz Radiation by Electro-Optical Process in GaAs and Zugep2 Using 1.55μm Fiber Laser Pulses

... the coherent length of optical rectification process in THz ...THz generation by optical rectification method was ...effective coherent length could be extended to 4 mm at 2 THz in a GaAs/ZnGeP ...

8

Demonstration of coherent terahertz transition radiation from relativistic laser-solid interactions

Demonstration of coherent terahertz transition radiation from relativistic laser-solid interactions

... Coherent transition radiation in the terahertz (THz) region with energies of sub-mJ/pulse has been demonstrated by relativistic laser-driven electron beams crossing the solid-vacuum ...the ...

13

Generation of Terahertz Radiation from Fe-doped InGaAsP Using 800 nm to 1550 nm Pulsed Laser Excitation

Generation of Terahertz Radiation from Fe-doped InGaAsP Using 800 nm to 1550 nm Pulsed Laser Excitation

... THz emission at 1550 nm excitation was first demonstrated using a THz-TDS system based on a fiber laser (Pro-NIR, Toptica) with a <100 fs pulse width (Fig. 2). The output beam at 1550 nm was split into two paths using ...

11

Intense terahertz radiation from relativistic laser–plasma interactions

Intense terahertz radiation from relativistic laser–plasma interactions

... THz radiation generated from relativistic laser-solid interactions have been ...THz radiation properties and the underlying generation mechanisms are found to be critically dependent on the ...

14

Quantum dot materials for terahertz generation applications

Quantum dot materials for terahertz generation applications

... IR radiation not absorbed by the QDs is reflected by the DBR placed immediately beneath the active multilayer ...a coherent THz detector, (Figure 2(a), lower reverse arrow), the photocurrent at the QD ...

8

On the thermal dependence of the generation of terahertz radiation by photomixing

On the thermal dependence of the generation of terahertz radiation by photomixing

... signal coherent with the beat note decreases rapidly at larger frequencies whereas the thermal background stays the same, and a correction of the raw data is ...the coherent power s multiplied by a ...

13

A Hybrid Model for Globally Coherent Story Generation

A Hybrid Model for Globally Coherent Story Generation

... recipe generation with the usage of ingredient words, to generate recipes from a bag of ...story generation, events (“script” events; scripts capture knowledge about “standardized sequences of events about ...

12

Studies toward a demonstration of relativistic electron beam energy modulation by interaction with terahertz radiation in free space

Studies toward a demonstration of relativistic electron beam energy modulation by interaction with terahertz radiation in free space

... of terahertz generation have been given a unified theoret- ical framework in the frequency domain ...the radiation produced from first principles it is first necessary to calculate the spatial and ...

146

Specialty Fibers for Terahertz Generation and Transmission: A Review

Specialty Fibers for Terahertz Generation and Transmission: A Review

... THz radiation scatters less than optical waves, is non-ionizing, and can yield high resolution images [1], [3], ...THz radiation make it suitable for imaging of hidden objects, like explosives, metallic ...

16

Magnetic field generation by coherent turbulence structures

Magnetic field generation by coherent turbulence structures

... had to be devoted to the computation of the dynamics of incoherent vorticity and so there is a limit on the Reynolds number that could be achieved in practice. Therefore studies of vortex dynamos were based on suitable ...

9

Coherent Techniques for Solar Energy Generation and Applications

Coherent Techniques for Solar Energy Generation and Applications

... is the utilization of the solar panels on the rooftops of houses. As mentioned earlier that the applications of solar energy has applications like solar operated aircraft transportations and other purposes but the ...

5

Coherent detection of metal-metal terahertz quantum cascade lasers with improved emission characteristics

Coherent detection of metal-metal terahertz quantum cascade lasers with improved emission characteristics

... The experimental arrangement for optical seeding and coherent detection is very similar to that used in Ref. 4 and the full methods used are described there. In that and subse- quent works, single plasmon QCLs ...

6

SCREENLESS DISPLAY-THE REALITY OF FUTURE

SCREENLESS DISPLAY-THE REALITY OF FUTURE

... A diffraction limited spot is drawn on the retina by the system allowed by the use of coherent source. The intensity of the image being rendered is matched to that of the light beam, by modulating the light beam. ...

5

Propagation of Coherent Electromagnetic Radiation in the Atmosphere  EUR 5170

Propagation of Coherent Electromagnetic Radiation in the Atmosphere EUR 5170

... plane waves, spherical waves and Gaussian beams, and an outline of the main features of the scattering by impurities aerosols etc., the main part of this report is concerned with the eff[r] ...

56

Show all 10000 documents...

Related subjects