Micro na'urorin da mafi inganci Laser

Micro na'urorin kuma mafi inganciLaser
Masu bincike na Cibiyar Fasaha ta Rensselaer sun ƙirƙira ana'urar laserwato fadin gashin mutum ne kawai, wanda zai taimaka wa masana kimiyyar lissafi su yi nazarin muhimman abubuwan da ke tattare da kwayoyin halitta da haske. Ayyukan su, wanda aka buga a cikin manyan mujallu na kimiyya, na iya taimakawa wajen samar da ingantattun lasers don amfani da su a fannonin da suka shafi magani zuwa masana'antu.

TheLaserna'urar an yi ta da wani abu na musamman da ake kira photonic topological insulator. Photonic topological insulators suna iya jagorantar photons (raƙuman ruwa da barbashi waɗanda ke yin haske) ta hanyar musaya na musamman a cikin kayan, yayin da suke hana waɗannan barbashi watsawa a cikin kayan kanta. Saboda wannan kadara, masu insulators na topological suna ba da damar photon da yawa suyi aiki tare gaba ɗaya. Hakanan za'a iya amfani da waɗannan na'urori azaman na'urorin simulators na topological, baiwa masu bincike damar yin nazarin abubuwan ban mamaki - dokokin zahiri waɗanda ke sarrafa kwayoyin halitta a cikin ƙananan ma'auni - a cikin ƙananan labs.
“Thephotonic topologicalInsulator da muka yi shi ne na musamman. Yana aiki a zafin jiki. Wannan babban ci gaba ne. A baya can, ana iya gudanar da irin wannan karatun ta hanyar amfani da manyan kayan aiki masu tsada don sanyaya abubuwa a cikin injin. Yawancin bincike na LABS ba su da irin wannan kayan aiki, don haka na'urarmu tana baiwa mutane da yawa damar yin irin wannan bincike na kimiyyar lissafi a cikin dakin gwaje-gwaje, "in ji Rensselaer Polytechnic Institute (RPI) mataimakin farfesa a Sashen Kimiyya da Injiniya da Materials. marubucin binciken. Binciken yana da ɗan ƙaramin girman samfurin, amma sakamakon ya nuna cewa sabon magani ya nuna tasiri mai mahimmanci wajen magance wannan cuta mai wuyar gaske. Muna sa ran ƙara tabbatar da waɗannan sakamakon a cikin gwaje-gwajen asibiti na gaba da kuma yiwuwar haifar da sabon zaɓin jiyya ga marasa lafiya da wannan cuta. " Kodayake girman samfurin binciken ya kasance kadan, binciken ya nuna cewa wannan sabon magani ya nuna tasiri mai mahimmanci wajen magance wannan cuta ta kwayoyin halitta. Muna sa ran ƙara tabbatar da waɗannan sakamakon a cikin gwaje-gwajen asibiti na gaba da kuma yiwuwar haifar da sabon zaɓin jiyya ga marasa lafiya da wannan cuta. "
"Wannan kuma babban mataki ne na ci gaba da haɓaka lasers saboda madaidaicin na'urar zafin dakin mu (yawan ƙarfin da ake buƙata don yin aiki) ya ninka sau bakwai fiye da na'urorin cryogenic na baya," masu binciken sun kara da cewa. RelsSlaer Pollytechic Coci Legerschecheckers guda ne ta hanyar da 'yan masana'antar semictionectorer suka yi amfani da sabon kayan aikinsu, wanda ya hada da atomic zuwa matakin kwayoyin halitta, don ƙirƙirar tsari daban-daban tare da takamaiman kaddarorin.
Don yinna'urar lasers, Masu binciken sun girma faranti na selenide halide (wani crystal da aka yi da cesium, gubar da chlorine) da kuma nau'in polymers da aka yi da su. Sun dunƙule waɗannan faranti na kristal da polymers tsakanin kayan oxide daban-daban, wanda ya haifar da wani abu mai kauri mai girman microns 2 da tsayin micron 100 da faɗi (matsakaicin faɗin gashin ɗan adam shine microns 100).
Lokacin da masu binciken suka haskaka Laser a na'urar lasers, ƙirar triangle mai haske ta bayyana a ƙirar ƙirar kayan. An ƙaddara ƙirar ta ƙirar na'urar kuma shine sakamakon halayen topological na laser. “Iman yin nazarin al'amuran ƙididdiga a cikin ɗaki abu ne mai ban sha'awa. Sabbin ayyukan Farfesa Bao ya nuna cewa injiniyan kayan aiki zai iya taimaka mana mu amsa wasu manyan tambayoyi a kimiyya.” Shugaban Cibiyar Injiniya ta Rensselaer Polytechnic Institute ya ce.