Harmonics to quicken the pulse

Article Abstract:

The output pulse in a set of harmonics produced by a titanium-sapphire laser, in ultra-fast X-ray technology, consists of a series of sub-pulses. Each pulse is separated from the following one by half the period of the fundamental. Ultra-short pulses obtain high photon densities with relatively moderate numbers of photons. Advances have been made in the production of femtosecond X-ray pulses and the analysis of sub-femtosecond properties of X-rays generated by high-harmonic generation.

Usage, Observations, Pulsed radiation, X-ray lasers, Harmonics (Electric waves)

---

Attosecond pulses at last

Article Abstract:

Papadogiannis and colleagues have generated attosecond pulses using short-wavelength harmonics generated when rare gases ionize due to irradiation from femto-second pulses. They have been able to measure th duration of the pulses using an experimentally simple, although theoretically complex technique.

---

Direct observation of attosecond light bunching

Article Abstract:

The quantitative investigation of attosecond light localization and ultrafast dynamics which depends on the modelling of the cross-correlation process between the extreme-ultraviolet pulses and the fundamental laser field is discussed.

United States, Instruments to measure electricity, Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals, Science & research, Pulse Generators

Similar abstracts:

• Abstracts: Determination of the Hubble constant from observations of Cepheid variables in the galaxy M96. A class of compact dwarf glaxies from disruptive processes in galaxy clusters
• Abstracts: Real-time observation of vortex lattices in a superconductor by electron microscopy. Observations of individual vortices trapped along columnar defects in high-temperature superconductors
• Abstracts: Energy implications of future stabilization of atmospheric CO2 content. Deriving global climate sensitivity from palaeoclimate reconstructions
• Abstracts: A telomerase component is defective in the human disease dyskeratosis congenita. The RNA component of telomerase is mutated in autosomal dominant dyskeratosis congenita
• Abstracts: Ecological networks and their fragility. Relative risk of extinction of passerine birds on continents and islands

This website is not affiliated with document authors or copyright owners. This page is provided for informational purposes only. Unintentional errors are possible.