Ultrafast Time-Resolved Spectroscopy of Surface Adsorbed Molecules & Reaction Processes.

Abstract

The thrust of this project was to perform ultrafast time-resolved spectroscopy of surface adsorbed molecules and reaction processes. The two major objectives were: (1) to combine new ultrafast optical probes with standard surface science probes by building a novel mode-locked, regeneratively amplified femtosecond Ti:sapphire laser facility and an ultrahigh vacuum surface science chamber, and (2) to study energy transfer and surface reactions in adsorbate/substrate systems. Both of these objectives were met. With the funds allocated under this contract we have (a) developed a femtosecond, regeneratively-amplified Ti:Sapphire laser system, (b) built a UHV surface science chamber, and (c) performed novel measurements of the oxidation of CO and the desorption of O2 on a Pt(111) surface at 90 K.

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Document Details

Document Type
Technical Report
Publication Date
Aug 01, 1995
Accession Number
ADA299573

Entities

People

  • Eric Mazur

Organizations

  • Harvard University

Tags

Communities of Interest

  • Advanced Electronics
  • Energy and Power Technologies

DTIC Thesaurus Topics

  • Adsorbates
  • Contracts
  • Desorption
  • Electromagnetic Scattering
  • Electrons
  • Energy
  • Energy Transfer
  • Femtosecond Time
  • Laser Pulses
  • Lasers
  • Measurement
  • Molecules
  • Optical Materials
  • Spectroscopy
  • Surface Reactions
  • Ultrahigh Vacuum
  • Vacuum

Fields of Study

  • Physics

Readers

  • Optical Physics and Photonics.
  • Research Science/Academic Research
  • Thin Film Deposition Science.

Technology Areas

  • Directed Energy