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太赫兹激光器不再受制于温度

2020-11-19 中国迷信报 徐锐
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yuyinbobao

jiangtaihezijiguangqizhiyuyigexiaoxingfangxinglengqueqidedingbu,qijiguangnenggoushixindebianxieshiyiliaozhenduanhebaozhawutancechengweinenggou。tupianlaili:ali khalatpour

  songsanxingxinpianjiguangqiyishunfulecongziwaidaohongwaidedajubudiancipinpu,shidecongshuzitongxun、tiaoxingmaliulanqi,daojiguangsuoshiqihedayinjidemixinshouyichengweinenggou。keshi,pinpuzhongrengyouyigeguantoudiquweibei“shunfu”,neibianshiweiyuhongwaiheweibozhijiandetaiheziboduan。

  gongchengshibawangzhaodaoyizhongxianchengdenengchuantoubutongmingwutibingtanceqiwaibuhuaxuezhiwendetaihezifusheyuan。keshixianyoudesongsanxingtaihezijiguangqizhinengzaichaodiwenxiarenwu,xiandingleqizaichangshishihuanjingzhongdeliyong。

  xianzai,yixiangxinyantaorangtaihezijiguangqibuzaishouzhiyuwendu。

  keri,yantaozhiyuanzai《tianran-guangzixue》shangbaogaocheng,tamenzaiyigexinpianshangzhizuochulemilijuxidetaihezijiguangqi,qirenwuwenduwei250k,yuewei-23℃,qipeitaodebachushilengqueqiyezhiyaobingganjuxi。

  “zheishiyixiangjudadechengji。”yidaliguoduyantaoweiyuanhuinamimixinyantaosuoningjitaiwulixuejiamiriam vitielloshuo,jinbutaihezijiguangqiderenwuwenduyixiangshiyejiedechijiufangzhen,zheixiangxinfaxianrangcongyixuechengxiangdaojichangbaozhawutancedezhuduoliyongchengweinenggou。

  dangdianziluorubandaotihejinzhongdedianzikongweihou,guifanxinpianjiguangqihuifashengguangzi。cizhong,dianzikongweidegouchengjueyilebandaotihejindesecai,bifang,danhuajiafashelanguang,ershenhuajiafashehongguang。keshi,bubandaotihejinfashetaiheziguimoneideguangzi。

  1994nian,meiguobeierchangshishideyantaozhiyuanfaxianleyizhongxindejiguangqi,qibandaotibuju,erbuzhijinshihuaxuexingzijueyilebozhang。zheileijiguangqibeichengweiliangzijilianjiguangqi(qcl),tabaoluoshubaicengqiequehoududebandaoti。zhurudaoqibujuzhongdedianzijilianjiangluoshubaigenengliangji,meijikaishiyigeguangzi。

  zaizuihoudeqclzhong,zheixieguangzirengchuyuhongwaiguimo,keshi2002nian,yidaliheyingguodeyantaozhiyuangengjinyibu,qizhizuodeqclfashedeguangzichuyutaiheziguimo。keshishangshuzhuangbeirenwuwenduwei50 k(-223.15℃)。

  kesui,youruishisulishilianbangligongxueyuanwulixuejiajérome faistdailingdeyantaotuanduituichuleyizhongtaiheziqcl,tayoushubaicengshenhuajiahelvshenhuajiaguadaigoucheng,renwuwenduwei210k(-63.15℃)。keshi,qirengxuzhuangbeitijifuzaqiejiaqiangaoguidediwenlengqueqi。

  zaijiaodiwenduxia,dianzihuiyiciyueguoliangcengjiandeshilei,erbushiyibuyicengdichuanguobuju。mashengligongxueyuandeyantaotuanduiyizhengshi,jingyouguochenggengqiequedidiaojiqicengzhuangbuju(mouxiecengzhiyao7geyuanzihou),nenggoushidianzizaichongzudiwenduxiarenwu,zheiyiwenduzuyiyongguifandesongsanxingredianzhilengqiwancheng。gengzhuyaodeshi,gaizhanlvenenggoushituanduizhongjiuzhizuochushiwentaihezijiguangqi。

  shiwentaihezifusheyuannenggouyuvitielloheqiyuyantaozhiyuanzhengzaikaipidezheileizaishiwenxiarenwudetaihezitanceqipeidui,zheileilianxinenggoushizhurutaihezichengxiangyiruxudezhuangbei,zaibutingzhihuojiandehuanjingxiabianbiepifuaiheyibangouzao,yenenggouchakanhangkongdakehehuosezhongmaimeidebaozhawu、bufayaowu,naizhijiayao。“zanmendenghouzheiyitianyihaojiule。”faistshuo。

  xiangganlunwenxinxi:http://doi.org/10.1038/s41566-020-00707-5

打印 义务编辑:张芳丹

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