Ci gaba na baya-bayan nan a cikin injin samar da laser da sabon binciken laser

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 babban dakin gwaje-gwaje na kayan aikin Crystal na jami'ar Shandong da Farfesa Chen Yanfeng da Farfesa He Cheng na dakin gwaje-gwaje na mahimmin ilimin kimiyyar halittu na jami'ar Nanjing na Jami'ar Nanjing, sun yi aiki tare don warware matsalar. matsala da kuma gabatar da tsarin samar da laser na phoon-phonon haɗin gwiwar famfo, kuma ya ɗauki al'ada Nd: YVO4 Laser crystal a matsayin wakilin bincike abu. 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, dakin gwaje-gwaje na Maɓalli 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 Yanfeng Chen, Jami'ar Nanjing, marubuta ne masu haɗin gwiwa.
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 ƙananan phonons, ana la'akari da cewa shakatawa na thermal kanta tsari ne na nau'i na nau'i na nau'i-nau'i na electron-phonon coupling, wanda zai iya gane jimla tailoring na matakan makamashin lantarki ta hanyar ƙirar laser da ya dace, kuma ya samu. sabbin tashoshi na canzawa na lantarki don samar da sabon tsayin tsayiLaser. 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, dangane da ainihin ka'idar samar da Laser da kuma hada-hadar phonon, an gano cewa samfurin ƙirar ƙirar laser kofa da zafin jiki na dindindin ne, wanda yake daidai da bayanin dokar Curie a cikin maganadisu, sannan kuma ya nuna. ainihin ka'idar jiki a cikin tsarin canjin lokaci mara kyau.

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.