Importance

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Abstract

The invention provides targets coated with structured biological materials, which are employed in laser produced plasma systems. The biological materials selected from cells of microbial, protozoan or plankton origin are applied on a portion of a solid target, like polished glass plate which then form a target system that absorbs the intense laser pulses, generates hot dense plasma and results in the emission of the X-rays. The method of coating structured biomaterial decreases the usable laser intensity required for producing the hot plasma, while increasing the X-ray yield. The coatings are easy to prepare and it is possible to vary the nature and shape of the cellular material in order to control/regulate the interaction with the light and thereby optimize the resultant plasma generation and X-ray emission. The increase in temperature of the plasma and the increase in yield demonstrate that the method is suitable for enhancing the emission yield in the Ultra Violet, Extreme Ultra violet, x-ray and the hard x-ray regimes.

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First Claim