简介:Wereportonthecontinuous-wave(CW)andpassiveQ-switchingperformanceofaminiatureYb:Y3Ga5O12crystallaserendpumpedbya935-nmdiodelaser.AmaximumCWoutputpowerof12.03Wisproducedwithanoptical-to-opticalefficiencyof54.4%,whiletheslopeefficiencyis63%.InthepassivelyQ-switchedoperationachievedwithaCr4+:YAGsaturableabsorber,anaverageoutputpowerof2.12Wat1025.2nmisgeneratedwithaslopeefficiencyof46%atapulserepetitionrateof5.0kHz.Thepulse’senergy,duration,andpeakpowerare424μJ,2.3ns,and184.3kW,respectively.
简介:近年来,法系车在国内市场的销量屡遭冷遇,究其原因,自身产品细分化程度不够是原因之一,而如今,法系品牌带来了全新的紧凑级SUV,并且它似乎生来就富有法国人的浪漫基因。天逸是雪铁龙第一台真正意义上在中国首发的全球车,雪铁龙此次的重视程度可想而知。新车的外观设计取材自雪铁龙Aircross概念车,不得不说,法兰西设计得别具匠心,往往设计师