Optical energy balance in laser-produced plasmas |
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Authors: | H C Pant S Sharma T P S Nathan T Desai |
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Institution: | (1) Laser Section, Bhabha Atomic Research Centre Trombay, 400085 Bombay, India |
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Abstract: | Optical energy balance in plasmas produced by irradiating solid targets by highpower laser pulses, has been experimentally
determined. The total light scattered has been measured as a function of the laser intensity and the irratiated spot diameter.
It has been found that the net light absorption does not depend on the laser intensity alone, but is also affected by the
irradiated spot area. It has also been observed that diffuse back reflection becomes a dominant loss mechanism at high incident
flux and small irradiated spot area. |
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Keywords: | 52 50 Jm |
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