Ci gaba na baya-bayan nan a cikin injin samar da laser da sababbibincike na laser
Kwanan nan, rukunin bincike na Farfesa Zhang Huaijin da Farfesa Yu Haohai na dakin gwaje-gwaje na mahimmin kayan aikin Crystal na Jami'ar Shandong da Farfesa Chen Yanfeng da Farfesa He Cheng na dakin gwaje-gwaje na maballin jigo na Physics na Jami'ar Nanjing sun yi aiki tare don warware matsalar tare da ba da shawarar injin ƙirar laser na phoon-phonon tare da haɗin gwiwar VOY. Ana samun babban fitarwar laser mai inganci na superfluorescence ta hanyar keta iyakar matakin makamashin lantarki, kuma an bayyana alaƙar zahiri tsakanin ƙirar laser da zafin jiki (lambar phonon tana da alaƙa da kusanci), kuma sigar magana iri ɗaya ce da dokar Curie. An buga binciken a cikin Nature Communications (doi: 10.1038 / S41467-023-433959-9) a ƙarƙashin sunan "Photon-phonon tare da haɗin gwiwar famfo Laser". Yu Fu da Fei Liang, dalibin PhD na Class 2020, Laboratory Key na Jiha na Kayan Crystal, Jami'ar Shandong, mawallafa ne na farko, Cheng He, Laboratory Key na Jiha na Physics Solid Microstructure Physics, Jami'ar Nanjing, ita ce marubuci na biyu, kuma Farfesa Yu Haohai da Huaijin Zhang, Jami'ar Shandong, da Jami'ar Yanfeng Cheng, marubucin Jami'ar Yanfeng Cheng.
Tun lokacin da Einstein ya gabatar da ka'idar radiyo na haske a cikin ƙarni na ƙarshe, na'urar Laser ta haɓaka gabaɗaya, kuma a cikin 1960, Maiman ya ƙirƙiri na'urar Laser na farko da aka yi amfani da ita. A lokacin ƙarni na Laser, shakatawa na thermal wani muhimmin al'amari ne na zahiri wanda ke tare da tsarar laser, wanda ke da matukar tasiri ga aikin laser da ikon laser. An yi la'akari da shakatawa na thermal da tasirin zafi koyaushe azaman maɓalli na zahiri masu cutarwa a cikin tsarin laser, wanda dole ne a rage shi ta hanyar canja wurin zafi daban-daban da fasahar firiji. Sabili da haka, ana ɗaukar tarihin ci gaban laser a matsayin tarihin gwagwarmaya tare da sharar gida.
Bayanin ka'idar photon-phonon haɗin gwiwar famfo Laser
Ƙungiyar binciken ta daɗe tana aiki a cikin bincike na Laser da na kayan gani mara kyau, kuma a cikin 'yan shekarun nan, an fahimci tsarin shakatawa na thermal daga hangen nesa na kimiyyar lissafi mai ƙarfi. Dangane da ainihin ra'ayin cewa zafi (zazzabi) yana kunshe ne a cikin ƙananan phonons, ana la'akari da cewa shakatawa na thermal kanta tsari ne na nau'i na nau'i na nau'i na nau'i na electron-phonon, wanda zai iya gane jimla tailoring na matakan makamashin lantarki ta hanyar ƙirar laser da ya dace, da kuma samun sababbin tashoshi na lantarki don samar da sabon tsayin daka.Laser. Dangane da wannan tunanin, an gabatar da sabon ka'ida ta lantarki-phonon haɗin gwiwar famfo Laser ƙarni, da kuma electron mika mulki karkashin electron-phonon hadawa da aka samu ta hanyar shan Nd:YVO4, wani asali Laser crystal, a matsayin wakili abu. A lokaci guda kuma, an kera na'urar bututun mai na photon-phonon wanda ba a sanyaya ba, wanda ke amfani da fasahar yin famfo na Laser diode na gargajiya. Laser tare da ƙarancin raƙuman ruwa 1168nm da 1176nm an tsara su. A kan wannan tushen, bisa tushen asali na Laser ƙarni da electron-phonon hada guda biyu, an gano cewa samfurin Laser ƙarni kofa da kuma zafin jiki ne m, wanda shi ne daidai da magana na Curie ta dokar a maganadisu, da kuma nuna asali na zahiri doka a cikin rikice-rikice lokaci mika mulki tsari.
Haɗin gwiwar gwaji na photon-phononfamfo Laser
Wannan aikin yana ba da sabon hangen nesa don bincike-bincike kan tsarin ƙirar laser,Laser kimiyyar lissafi, kuma high makamashi Laser, nuna wani sabon zane girma ga Laser zango fadada fasahar da Laser crystal bincike, kuma zai iya kawo sabon bincike ra'ayoyin ga ci gaban daƙididdiga na gani, Laser magani, Laser nuni da sauran alaka aikace-aikace filayen.
Lokacin aikawa: Janairu-15-2024