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Time-resolved optical transmission of pulsed laser-irradiated silicon

Technical Report ·
OSTI ID:5364987
; ; ;
The time-resolved optical transmission of silicon has been observed at lambda = 1.15 microns during irradiation by an 8 nsec pulsed laser at 485 nm with several energy densities in the range of .25 to 1.2 J/sq cm. The transmission exhibits a sudden brief drop consistent with the rise and fall of the reflectivity enhancement. However, the transmission does not exhibit the strong absorption expected of molten silicon with a skin depth of approx. 100A.
Research Organization:
Kansas State Univ., Manhattan (USA). Dept. of Physics
OSTI ID:
5364987
Report Number(s):
AD-A-098217/3
Country of Publication:
United States
Language:
English

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Related Subjects

14 SOLAR ENERGY
140501 -- Solar Energy Conversion-- Photovoltaic Conversion
36 MATERIALS SCIENCE
360603* -- Materials-- Properties
ABSORPTION
ANNEALING
ELEMENTS
FLUIDS
HEAT TREATMENTS
LASERS
LIGHT TRANSMISSION
LIQUIDS
RAMAN SPECTRA
RECRYSTALLIZATION
RESOLUTION
SEMIMETALS
SILICON
SKIN EFFECT
SPECTRA
TIME RESOLUTION
TIMING PROPERTIES