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The time-resolved optical transmission of silicon has been observed at l = 1.15 mm during irradiation by an 8-nsec pulsed laser at 485 nm with several energy densities in the range of 0.25 to 1.2 J/cm2. 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 ∼100 Å.
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Lee et al. (1981) studied this question.
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