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Photoemissive thin film with strange property for laser pulse detection

机译:具有奇怪特性的光发射薄膜,用于激光脉冲检测

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Abstract: A kind of photoemissive thin film which can be exposed or stored in the atmosphere and can be used again in a vacuum system without any activation process for laser pulse detection is presented. They are different from usual photoemissive materials, since they do not contain alkali elements. They consist of metallic oxide thin film or other material thin film embedded with metallic ultrafine particles. A main interesting material is barium oxide thin film embedded with Ag ultrafine particles. This thin film can detect single laser pulse or laser pulses with high repetition frequencies (approximately 10$+8$/ pulses/sec.), pulse duration ns to ps, and energy mJ to nJ per pulse. !9
机译:摘要:提出了一种可以在大气中暴露或存储并可以在没有任何激活过程的情况下再次用于真空系统中的激光脉冲检测光发射薄膜。它们与通常的光发射材料不同,因为它们不含碱元素。它们由嵌入有金属超细颗粒的金属氧化物薄膜或其他材料薄膜组成。主要有趣的材料是嵌入有银超细颗粒的氧化钡薄膜。这种薄膜可以检测单个激光脉冲或具有高重复频率(大约10 $ + 8 $ /脉冲/秒),脉冲持续时间ns至ps以及每脉冲能量mJ至nJ的激光脉冲。 !9

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