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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.
| Limitations: |
 APPROVED FOR PUBLIC RELEASE |
| Description: |
Final technical rept. 1 Jun 88-30 Sep 91 |
| Pages: |
155 |
| Report Date: |
23 MAR 93 |
| Contract Number: |
DAAL03-88-K-0109 |
| Report Number: |
A437362 |
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Keywords relating to this report:
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