Micro na'urori da kuma mafi ingancina'urorin laser
Masu bincike a Cibiyar Rensselaer Polytechnic sun ƙirƙiro wani sabon tsari nana'urar laserWannan faɗin gashin ɗan adam ne kawai, wanda zai taimaka wa masana kimiyyar lissafi su yi nazarin muhimman abubuwan da ke tattare da abu da haske. Aikinsu, wanda aka buga a cikin mujallun kimiyya masu daraja, zai iya taimakawa wajen haɓaka na'urorin laser masu inganci don amfani a fannoni daban-daban, tun daga magani har zuwa masana'antu.
ThelaserAn yi na'urar ne da wani abu na musamman da ake kira mai hana haske a cikin hasken photonic. Masu hana haske a cikin hasken photonic suna iya jagorantar photons (raƙuman ruwa da barbashi da ke samar da haske) ta hanyar hanyoyin sadarwa na musamman a cikin kayan, yayin da suke hana waɗannan barbashi su watse a cikin kayan da kansu. Saboda wannan siffa, masu hana haske a cikin hasken photons suna ba da damar yin aiki tare gaba ɗaya. Waɗannan na'urori kuma ana iya amfani da su azaman "masu kwaikwayon adadi," suna ba masu bincike damar yin nazarin abubuwan da suka faru na adadi - dokokin zahiri waɗanda ke sarrafa abu a ƙananan sikelin - a cikin ƙananan dakunan gwaje-gwaje.
"Theyanayin yanayin photonicInjin rufe fuska da muka yi na musamman ne. Yana aiki a zafin ɗaki. Wannan babban ci gaba ne. A da, ana iya yin irin waɗannan nazarin ne kawai ta amfani da manyan kayan aiki masu tsada don sanyaya abubuwa a cikin injin. Yawancin bincike na LABS ba su da wannan nau'in kayan aiki, don haka na'urarmu tana ba da damar mutane da yawa su yi irin wannan binciken kimiyyar lissafi na asali a cikin dakin gwaje-gwaje, "in ji mataimakin farfesa na Rensselaer Polytechnic Institute (RPI) a Sashen Kimiyya da Injiniyanci na Kayan Aiki kuma babban marubucin binciken. Binciken yana da ƙaramin girman samfurin, amma sakamakon ya nuna cewa sabon maganin ya nuna tasiri mai mahimmanci wajen magance wannan matsalar kwayar halitta. Muna fatan ƙara tabbatar da waɗannan sakamakon a cikin gwaje-gwajen asibiti na gaba da kuma yiwuwar haifar da sabbin zaɓuɓɓukan magani ga marasa lafiya da wannan cuta." Kodayake girman samfurin binciken ya kasance ƙarami, binciken ya nuna cewa wannan sabon magani ya nuna tasiri mai mahimmanci wajen magance wannan matsalar kwayar halitta mai wuya. Muna fatan ƙara tabbatar da waɗannan sakamakon a cikin gwaje-gwajen asibiti na gaba da kuma yiwuwar haifar da sabbin zaɓuɓɓukan magani ga marasa lafiya da wannan cuta."
Masu binciken sun kara da cewa, "Wannan kuma babban ci gaba ne a fannin haɓaka na'urorin laser domin matakin na'urar zafin ɗakinmu (adadin kuzarin da ake buƙata don sa ta yi aiki) ya ninka sau bakwai ƙasa da na'urorin cryogenic na baya," in ji masu binciken. Masu binciken Cibiyar Fasaha ta Rensselaer sun yi amfani da irin wannan dabarar da masana'antar semiconductor ke amfani da ita don yin ƙananan na'urori don ƙirƙirar sabuwar na'urar su, wadda ta ƙunshi tara nau'ikan kayayyaki daban-daban a layi ɗaya, daga matakin atomic zuwa matakin kwayoyin halitta, don ƙirƙirar tsare-tsare masu kyau tare da takamaiman halaye.
Don yin hakanna'urar laser, masu binciken sun haɓaka faranti na selenide halide mai siriri sosai (lu'ulu'u da aka yi da cesium, gubar da chlorine) sannan suka zana polymers masu zane a kansu. Sun haɗa waɗannan faranti na lu'ulu'u da polymers tsakanin kayan oxide daban-daban, wanda ya haifar da wani abu mai kauri kusan microns 2 da kuma microns 100 tsayi da faɗi (matsakaicin faɗin gashin ɗan adam shine microns 100).
Lokacin da masu binciken suka haska laser a na'urar laser, wani tsari mai haske mai siffar alwatika ya bayyana a mahaɗin ƙirar kayan. Tsarin yana ƙaddara ta hanyar ƙirar na'urar kuma sakamakon halayen yanayin laser ne. "Iya yin nazarin abubuwan da ke faruwa a yanayin zafi na ɗakin abu ne mai ban sha'awa. Ayyukan kirkire-kirkire na Farfesa Bao sun nuna cewa injiniyan kayan aiki na iya taimaka mana mu amsa wasu manyan tambayoyi a kimiyya." in ji shugaban injiniya na Cibiyar Fasaha ta Rensselaer.
Lokacin Saƙo: Yuli-01-2024