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Journal of physics. D, Applied physics, ISSN 1361-6463, 2011, Volume 44, Issue 8, p. 083001
Ultrashort terahertz pulses derived from femtosecond table-top sources have become a valuable tool for time-resolved spectroscopy during the last two decades... 
ELECTROOPTIC CRYSTALS | PROBE SPECTROSCOPY | LASER-PULSES | ELECTROMAGNETIC PULSES | PHYSICS, APPLIED | TEMPERATURE-GROWN GAAS | ELECTRIC-FIELDS | THZ PULSES | FEMTOSECOND OPTICAL PULSES | CARRIER-ENVELOPE PHASE | BROAD-BAND
Journal Article
Journal of synchrotron radiation, ISSN 1600-5775, 2018, Volume 25, Issue 1, pp. 39 - 43
... ( extreme pulse energies in the soft X-ray range). To solve this issue, lasing of double electron bunches, separated by 28 periods of the driving radiofrequency (at 1.3 GHz... 
X‐rays | double electron bunches | free‐electron laser | FLASH | THz beamline | pump–probe experiments | free-electron laser | pump-probe experiments | X-rays | INSTRUMENTS & INSTRUMENTATION | PHYSICS, APPLIED | FREE-ELECTRON-LASER | BEAMLINE | OPTICS | Lasers | Investigations | Radio frequency | Optical paths | Synchronism | Soft x rays | Lasing | Temporal resolution | Narrowband
Journal Article
Journal of Physics D: Applied Physics, ISSN 0022-3727, 01/2017, Volume 50, Issue 5, p. 55101
Athough terahertz (THz) radiation from semiconductor surfaces illuminated by femtosecond laser pulses was observed a long time ago, the mechanisms responsible for this radiation still remains questionable, especially... 
THz-TDS | surface THz emission | InSb | THz excitation spectroscopy | THz | PHYSICS, APPLIED | INAS | SEMICONDUCTORS | RADIATION
Journal Article
Nature communications, ISSN 2041-1723, 2017, Volume 8, Issue 1, pp. 421 - 9
...ARTICLE Demonstration of sub-luminal propagation of single-cycle terahertz pulses for particle acceleration D.A. Walsh1,2, D.S. Lake2,3, E.W. Snedden1,2, M.J... 
THZ PULSES | GENERATION | ELECTRON-BEAMS | POLARIZATION | RADIATION | MULTIDISCIPLINARY SCIENCES | Pulse propagation | Particle acceleration | Propagation | Velocity | Electric fields | Radiation
Journal Article
Physical Review A - Atomic, Molecular, and Optical Physics, ISSN 1050-2947, 11/2011, Volume 84, Issue 5
We propose a method for achieving molecular orientation by two-step excitation with intense femtosecond laser and terahertz (THz) pulses... 
ALIGNMENT | PHYSICS, ATOMIC, MOLECULAR & CHEMICAL | OPTICS | WAVE PACKETS | EXCITATION | ATOMIC AND MOLECULAR PHYSICS | RAMAN EFFECT | ROTATIONAL STATES | MOLECULES | PULSES | TIME DELAY | HYDROBROMIC ACID | DIPOLES | PARITY | THZ RANGE | ORIENTATION
Journal Article
Applied Physics Letters, ISSN 0003-6951, 11/2014, Volume 105, Issue 19, p. 191112
We demonstrate the generation of near-single cycle longitudinally polarized terahertz radiation using a large-area radially biased photoconductive antenna with... 
CYLINDRICAL-VECTOR BEAMS | RADIATION | PHYSICS, APPLIED | LASERS | THZ RANGE | CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS | ANTENNAS | AMPLITUDES | POLARIZATION | PULSES
Journal Article
Applied physics letters, ISSN 1077-3118, 2011, Volume 99, Issue 25, pp. 251101 - 251101-3
A mechanism is proposed for the generation of tunable terahertz (THz) radiation under the application of two femtosecond laser pulses and an external magnetic... 
GAS | PHYSICS, APPLIED | MAGNETIZED PLASMA | WAKES | LASER RADIATION | MAGNETIC FIELDS | PLASMA DENSITY | LASERS | LASER-PRODUCED PLASMA | ELECTRIC CURRENTS | PHOTON EMISSION | PULSES | 70 PLASMA PHYSICS AND FUSION TECHNOLOGY | MICROWAVE RADIATION | THZ RANGE | PLASMA HEATING | OPTIMIZATION | TUNNEL EFFECT | IONIZATION
Journal Article
Applied surface science, ISSN 0169-4332, 2019, Volume 480, pp. 665 - 670
Simultaneous measurements of hard X-ray by a Geiger counter and audible sound (10 Hz–20 kHz) by a microphone from a thin water film in air were carried out under intense single and double pulse irradiations of femtosecond laser... 
Water | Femtosecond laser | Double pulse excitation | Plasma | Sound | X-ray | PHYSICS, CONDENSED MATTER | PHYSICS, APPLIED | CHEMISTRY, PHYSICAL | FLOW | DYNAMICS | ABLATION | GENERATION | THZ REFLECTION SPECTROSCOPY | MATERIALS SCIENCE, COATINGS & FILMS | Thin films | Plasma physics | Dielectric films
Journal Article
Applied Physics Letters, ISSN 0003-6951, 05/2015, Volume 106, Issue 18, p. 181108
We report on the measurement of the instantaneous Kerr nonlinearity and the retarded alignment of air molecules CO2, N-2, and O-2 triggered by an intense, lambda-cubic terahertz pulse, a diffraction... 
GASES | HARMONIC-GENERATION | LASER-PULSES | PHYSICS, APPLIED | TRANSIENT | MOLECULES | ELECTROMAGNETIC PULSES | EXCITATION | LASERS | CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS | AIR | ROTATIONAL STATES | KERR EFFECT | ALIGNMENT | NONLINEAR PROBLEMS | THZ RANGE | TRANSIENTS | DIFFRACTION | CARBON DIOXIDE | TEMPERATURE RANGE 0273-0400 K | DIPOLE MOMENTS
Journal Article
Scientific reports, ISSN 2045-2322, 2015, Volume 5, Issue 1, p. 14394
In Terahertz (THz) science, one of the long-standing challenges has been the formation of spectrally dense, single-cycle pulses with tunable duration and spectrum across the frequency range of 0.1-15 THz (THz gap... 
FIELDS | LASER-PULSES | COHERENT CONTROL | THZ GENERATOR | MULTIDISCIPLINARY SCIENCES | CRYSTALS | AIR | EMISSION | OPTICAL RECTIFICATION | Spectrum allocation | Spectroscopy | Spectrum analysis
Journal Article
Optics Communications, ISSN 0030-4018, 04/2019, Volume 436, pp. 222 - 226
Few-cycle terahertz pulses can be effectively generated in air plasma by mixing an ultrashort laser pulse with its second harmonic... 
Plasma physics | THz generation | Ultrashort pulses | Nonlinear optics | Dispersion | BIASED-COHERENT-DETECTION | OPTICS | Analysis
Journal Article
Scientific reports, ISSN 2045-2322, 2019, Volume 9, Issue 1, pp. 3280 - 3280
... (similar to 10-100 GW/cm(2)) femtosecond pulses of different central wavelengths (600, 720, 800, and 1500 nm... 
FIELD | MULTIDISCIPLINARY SCIENCES | PHOTOEMISSION | ULTRAFAST | THZ | SURFACE | GENERATION | METAL | NANOSTRUCTURES | RADIATION | OPTICAL RECTIFICATION | Gold | Lasers
Journal Article
Physical Review Letters, ISSN 0031-9007, 09/2007, Volume 99, Issue 13, p. 135002
A new terahertz (THz) source in air based on the bifilamentation of femtosecond laser pulses is reported... 
PHYSICS, MULTIDISCIPLINARY | Optics | Physics | PLASMA FILAMENT | LASERS | THZ RANGE | CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS | RADIATION SOURCES | AIR | PHOTON EMISSION | POLARIZATION | PULSES
Journal Article
Optics express, ISSN 1094-4087, 2018, Volume 26, Issue 6, pp. 7107 - 7116
We demonstrate generation of 0.2 mJ terahertz (THz) pulses in lithium niobate driven... 
LIMITATIONS | THZ PULSES | OPTIMIZATION | DRIVEN | ABSORPTION | OPTICS | LINBO3 | OPTICAL RECTIFICATION
Journal Article
IEEE Journal of Selected Topics in Quantum Electronics, ISSN 1077-260X, 01/2013, Volume 19, Issue 1, pp. 8401110 - 8401110
Journal Article