科研之友
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摘要
The design of "stretcher-compressor" using aperiodic multilayers (aMLs) for attosecond pulses in the extreme ultraviolet (EUV) region is presented. We use a single-objective temporal optimization method based on a genetic algorithm (GA) to maximize pulse reflection efficiency for a single mirror. Employing this method, we studied the relationships of optimal number of layers, achievable energy reflectivity, and pulse duration. We then apply the findings to a design of an attosecond Bstretcher-compressor[ configuration with much improved overall throughput for a near-transform-limited attosecond pulse in a multimirror system.
- 出版日期2012-10
- 单位北京师范大学; 国家自然科学基金委员会
