TRANSFER IN MATERIALS

Award Information
Agency:
Department of Defense
Branch
Defense Threat Reduction Agency
Amount:
$90,030.00
Award Year:
1985
Program:
SBIR
Phase:
Phase I
Contract:
n/a
Award Id:
2455
Agency Tracking Number:
2455
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
Po Box 1567 - 3621 S State Rd, Ann Arbor, MI, 48106
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
CHARLES J HAILEY
(313) 769-8500
Business Contact:
() -
Research Institute:
n/a
Abstract
UTILIZING TECHNIQUES DEVELOPED EXTENSIVELY IN THE NATIONAL LASER FUSION PROGRAM, WE PROPOSE TO MEASURE THE TIME DEPENDENT CHANGE IN CRYSTAL X-RAY REFLECTIVITY BROUGHT ABOUT WHEN A CRYSTAL IS HEATED TO THE MELTING POINT ON A PICOSECOND TIME SCALE. THIS EXPERIMENT WILL OBTAIN DATA ON RADIATION-LATTICE DYNAMICS ON A TIME SCALE 2-3 ORDERS OF MAGNITUDE FASTER THAN PREVIOUSLY OBTAINED WITH X-RAY TECHNIQUES. WE WILL PROBE DIRECTLY THROUGH THE USE OF X-RAYS THE TRANSFER OF ENERGY BETWEEN THE LASER EXCITED ELECTRON-HOLE PLASMA OF A CRYSTAL AND THE PHONON EXCITATIONS OF THE LATTICE; THE POORLY UNDERSTOOD MECHANISMS BY WHICH HIGH ENERGY DENSITY LASERS TRANSFER THEIR ENERGY TO THE CRYSTALLINE TARGET LATTICE ON EXTREMELY SHORT TIME SCALES ( APPROX < 100 PS) WILL BE STUDIED BY ANALYSIS AND MODELING OF THE EXPERIMENTAL RESULTS.

* information listed above is at the time of submission.

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