High Resolution Free-Electron Laser Spectroscopy

Abstract

High peak power infrared pulses as short as 350 femtoseconds have been generated using the MK III FEL. Small signal analyses have been developed for operating the FEL with electron pulses whose energy varies linearly with time. Chirped-pulse simulations using modest energy shirps have demonstrated a xl5 compression ratio at saturated power levels for 3.4 ps optical pulses at 3. 35 micrometers, and coupled pulse simulations have indicated substantial longitudinal mode reduction on microsecond time scales. A Michelson mirror resonator has been operated for the first time on the MK III FEL, along with phase-locked operation using a beamsplitter reflectance of only 1.4%.... Free electron laser, Femtosecond pulses, Spectroscopy, Chirped pulses.

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Document Details

Document Type
Technical Report
Publication Date
Mar 23, 1993
Accession Number
ADA263734

Entities

People

  • Eric B. Szarmes
  • John M. Madey

Organizations

  • Duke University

Tags

Communities of Interest

  • Energy and Power Technologies
  • Ground and Sea Platforms

DTIC Thesaurus Topics

  • Compound Semiconductors
  • Compression Ratio
  • Computational Science
  • Diffraction
  • Electrons
  • Free Electron Lasers
  • Frequency Response
  • Laser Resonators
  • Lasers
  • Microsecond Time
  • Optical Correlators
  • Optical Materials
  • Optics
  • Optomechanics
  • Physics Laboratories
  • Repetition Rate
  • Spectra

Fields of Study

  • Physics

Readers

  • Optical Physics and Photonics.
  • Pulsed Power and Plasma Physics.

Technology Areas

  • Directed Energy
  • Microelectronics