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Sunday, July 26, 2020 | History

3 edition of Ultrafast lasers probe phenomena in semiconductors and superconductors found in the catalog.

Ultrafast lasers probe phenomena in semiconductors and superconductors

24-25 March 1992, Somerset, New Jersey

  • 18 Want to read
  • 13 Currently reading

Published by SPIE in Bellingham, Wash .
Written in English

    Subjects:
  • Semiconductors -- Congresses.,
  • Superconductors -- Congresses.,
  • Laser beams -- Congresses.,
  • Picosecond pulses -- Congresses.,
  • Hot carriers -- Congresses.,
  • Quantum wells -- Congresses.

  • Edition Notes

    Includes bibliographical references and index.

    StatementRobert R. Alfano, chair/editor ; sponsored by SPIE--the International Society for Optical Engineering.
    GenreCongresses.
    SeriesProceedings / SPIE--the International Society for Optical Engineering ;, v. 1677, Proceedings of SPIE--the International Society for Optical Engineering ;, v. 1677.
    ContributionsAlfano, Robert R., 1941-, Society of Photo-optical Instrumentation Engineers.
    Classifications
    LC ClassificationsQC610.9 .U49 1992
    The Physical Object
    Paginationix, 273 p. :
    Number of Pages273
    ID Numbers
    Open LibraryOL1753076M
    ISBN 100819408387
    LC Control Number92081134

    Ultrafast pump-probe spectroscopy is a powerful tool to study the nonequilibrium dynamics in high-Tc cuprate superconductors. The photo-induced quasiparticle (QP) dynamics revealed by pump-probe spectroscopy are sensitive to the near-Fermi level electronic by: With femtosecond lasers it also is possible to probe a variety of coherent phenomena, and even to control the charge carrier dynamics in metals through the optical phase of the excitation light.

    Page 1 Electronic, Optical, and Magnetic Materials and Phenomena: The Science of Modern Technology. Important and unexpected discoveries have been made in all areas of condensed-matter and materials physics in the decade since the Brinkman report. 1 Although these scientific discoveries are impressive, perhaps equally impressive are technological advances during the . My University. Log in to access "My University" and the password-protected areas. "My University" is your personal, protected area on the website.

    Book Condition: A nearly new hardback with just a small 'damaged' stamp at the prelims. Even so not showing any damage or defects, just a few very minor cosmetic imperfections (mild rubs, etc). Contents crisp, tight and fresh. Thus a never read book in very presentable condition offered for sale at a sensible by: 3. Shining lasers at superconductors can make them work at higher temperatures, suggests new findings from an international team of scientists including the University of Bath.


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Ultrafast lasers probe phenomena in semiconductors and superconductors Download PDF EPUB FB2

Get this from a library. Ultrafast lasers probe phenomena in semiconductors and superconductors: MarchSomerset, New Jersey. [Robert R Alfano; Society of Photo-optical Instrumentation Engineers.;]. Ultrafast lasers probe phenomena in semiconductors and superconductors: MarchSomerset, New Jersey Author: Robert R Alfano ; Society of.

Ultrafast lasers open new vistas "This is where ultrafast laser ARPES, which is only about five years old, really comes into play to give us results not accessible by other means," Smallwood says. Proc. SPIEUltrafast Lasers Probe Phenomena in Semiconductors and Superconductors, pg (21 October ); doi: / Read Abstract + We have used femtosecond optical spectroscopy to probe high-field transient parallel transport in quantum wells from the ballistic to the quasi-equilibrium regime, by studying both the carrier.

Proc. SPIE. International Conference on Industrial Lasers. KEYWORDS: Semiconductors, Sensors, X-ray diffraction, Ceramics, Raman spectroscopy, Humidity, Infrared radiation, Phonons, Raman scattering, Absorption Ultrafast Phenomena in Semiconductors Conference Committee Involvement (3) Tuning the Optic Response of Photonic Bandgap.

@article{osti_, title = {Time-resolved THz studies of carrier dynamics in semiconductors, superconductors, and strongly-correlated electron materials}, author = {Kaindl, Robert A and Averitt, Richard D}, abstractNote = {Perhaps the most important aspect of contemporary condensed matter physics involves understanding strong Coulomb interactions between the.

This volume is a collection of papers presented at the Ninth International Symposium on "Ultrafast Processes in Spectroscopy" (UPS '95) held at the International Centre for Theo­ retical Physics (ICTP), Trieste (Italy), October 30 -November 3, These meetings have.

We have investigated the carrier capture mechanism in quantum well lasers and its relevance for device characteristics. It is demonstrated that the dependence of the threshold current on the structure parameters of the layers in the active region is.

Ultrafast pump-probe spectroscopy is a powerful tool to study the nonequilibrium dynamics in high-Tc cuprate superconductors. The photo-induced quasiparticle (QP) dynamics revealed by pump-probe spectroscopy are sensitive to the near-Fermi level electronic structures.

Here we review several selected examples to illustrate the. Ultrafast science is the study and subsequent implementation of physical phenomena that occur at the shortest time scales known in science, from picoseconds to femtoseconds to attoseconds. Snapshots in this time domain reveal the most fundamental mechanisms of molecular, atomic, and electron interactions.

Ultrafast science enables us to answer such questions as how. "Non-equilibrium phenomena in superconductors probed by femtosecond time-domain spectroscopy," to appear in "Carrier dynamics in bulk semiconductors and metals after ultrashort pulse excitation" Exciton dynamics in pentacene and tetracene studied using optical pump-probe spectroscopy Ultrafast Phenomena XIV, Springer Series in Chemical.

Research Book Contributions "Compression and Shaping of Femtosecond Pulses," A. Weiner, J. Fujimoto and E. Ippen, in Ultrafast Phenomena IV, D. Auston and. Recent improvements in the performance of light sources, i.e. reduction in pulse length and increases in wavelength range and power levels, have led to ultrafast technology becoming a basic tool in a wide variety of scientific fields.

This book. The book appears at the right time when, to paraphrase Wayne Knox (, "The revolution in femtosecond near-infrared pulse generation," Opt. Phot. News 3 (5), 10 ), femtosecond lasers are as ubiquitous as 9 V batteries, and there is a definite need to interpret results from femtosecond pectroscopies at a more advanced level than was.

phenomena at the fundamental timescales of nuclear and electronic motion [1]. In condensed matter physics, the vast majority of research using ultrafast optical spectroscopy (UOS) has investigated the dynamics of electrons in semiconductors.

This has contributed a great dealCited by: These phenomena have been studied using ultrashort optical pulses, which indirectly probe atomic positions through changes in optical properties.

Because x-rays can more directly probe atomic positions, ultrashort x-ray pulses are better suited for the.

"High Repetition Rate Frequency Combs: Ultrafast Optics Starting with Continuous-Wave Lasers [INVITED], A. Weiner, Conference on Lasers and Electro-Optics (CLEO), San Jose, CA, May"Simultaneous Downconversion and Reconfigurable Filtering of Microwave Signals by Programmable Comb Shaping," V.

Torres-Company and A. Weiner. Fauchet and T. Gong, Femtosecond dynamics of hot-carriers in GaAs, in Ultrafast Lasers Probe Phenomena in Semiconductors and Superconductors, edited by R. Alfano, SPIE Proc. Vol. (SPIE, ) p.

Google ScholarCited by: 4. Impact of Dynamic Screening and Carrier-Carrier Scattering on Non-Equilibrium Dual Carrier Plasmas Simplified approaches are found to fail badly for both the description of ultrafast carrier relaxation and high field transport.

in Ultrafast Lasers Probe Phenomena in Semiconductors and Superconductors Robert R. Alfano, Editor, Proc. SPIE Author: J. Bair, J. Krusius. Abstract: In the last two decades, non-equilibrium spectroscopies have evolved from avant-garde studies to crucial tools for expanding our understanding of the physics of strongly correlated materials.

The possibility of obtaining simultaneously spectroscopic and temporal information has led to insights that are complementary to (and in several cases beyond) those attainable by Cited by:. Thus, the ultrafast and efficient control of the spin subsystem can be achieved without e.g. additional heating of the sample.

Our findings are expected to enable new possibilities in ultrafast physics with modern materials such as high-temperature superconductors [9] and may inspire novel ideas for future information processing.- Research experience from California's X-ray free-electron laser benefits SwissFEL.

It's the camera that allows researchers to make extremely rapid processes visible: the X-ray free-electron laser. Currently, however, only three sites worldwide—in the US, Japan and South Korea—have facilities capable of carrying out such measurements.An international research team I am a part of has now come up with a new technique to induce superconductivity at high temperatures by shining lasers on .