Ọganihu nyocha nke colloidal quantum dot lasers

Ọganihu nnyocha nkelasers colloidal quantum dot
Dịka ụzọ dị iche iche e si eji mmiri agbapụta, enwere ike kewaa lasers colloidal quantum dot n'ime ụdị abụọ: lasers colloidal quantum dot nke a na-eji optically pumped na lasers colloidal quantum dot nke a na-eji ọkụ eletrik pumped. N'ọtụtụ ngalaba dịka ụlọ nyocha na ụlọ ọrụ mmepụta ihe,lasers a na-akpọ optically pumped, dịka eriri laser na titanium-doped sapphire lasers, na-arụ ọrụ dị mkpa. Na mgbakwunye, n'ọnọdụ ụfọdụ akọwapụtara, dịka n'ọhịa nkelaser ngwa anya microflow, usoro laser dabere na mgbapụta anya bụ nhọrọ kacha mma. Agbanyeghị, n'ịtụle otú e si eji ya na ọtụtụ ojiji dị iche iche, isi ihe dị mkpa iji mee ka lasers colloidal quantum dot bụ inweta mmepụta laser n'okpuru mgbapụta eletrik. Agbanyeghị, ruo ugbu a, a kabeghị enweta lasers colloidal quantum dot nke a na-eji ọkụ eletrik eme ihe. Ya mere, site na mmezu nke lasers colloidal quantum dot nke a na-eji ọkụ eletrik eme ihe dị ka isi ihe, onye edemede buru ụzọ tụlee njikọ dị mkpa nke inweta lasers colloidal quantum dot nke a na-agba ọkụ eletrik, ya bụ, mmezu nke laser colloidal quantum dot nke a na-agba ọkụ na-aga n'ihu, wee gbasaa ruo na laser ngwọta colloidal quantum dot nke a na-agba ọkụ na-enwu, nke nwere ike ịbụ nke mbụ ga-enweta ngwa ahịa. E gosipụtara nhazi ahụ nke isiokwu a na Foto 1.

Ihe ịma aka dị adị
N'ime nnyocha nke colloidal quantum dot laser, ihe ịma aka kachasị ukwuu ka bụ otu esi enweta colloidal quantum dot gain medium nwere obere oke, nnukwu uru, ndụ ogologo oge na nkwụsi ike dị elu. Ọ bụ ezie na akọpụtala ihe owuwu na ihe ndị dị ka nanosheets, nnukwu ntụpọ quantum, gradient gradient quantum dots, na perovskite quantum dots, ekwenyebeghị otu ntụpọ quantum n'ọtụtụ ụlọ nyocha iji nweta laser a na-agbagharị agbagharị na-aga n'ihu, nke na-egosi na oke uru na nkwụsi ike nke ntụpọ quantum ka ezughi oke. Na mgbakwunye, n'ihi enweghị ụkpụrụ ejikọtara ọnụ maka njikọta na njirimara arụmọrụ nke ntụpọ quantum, akụkọ arụmọrụ uru nke ntụpọ quantum sitere na mba dị iche iche na ụlọ nyocha dị iche iche dị iche iche, mmeghachi omume ahụ adịghịkwa elu, nke na-egbochikwa mmepe nke ntụpọ quantum colloidal nwere njirimara uru dị elu.

Ugbu a, a kabeghị ihe a na-ahụ maka laser nke nwere ike ịkụnye quantum dot, nke na-egosi na e nwere ihe ịma aka na nyocha physics bụ isi na teknụzụ dị mkpa nke quantum dot.ngwaọrụ laser. Colloidal quantum dots (QDS) bụ ihe ọhụrụ a na-enweta ngwọta, nke enwere ike ịkọwa na nhazi ngwaọrụ electroinjection nke diodes na-enye ìhè organic (LEDs). Agbanyeghị, ọmụmụ ihe ndị na-adịbeghị anya egosila na ntụaka dị mfe ezughị iji mezuo electroinjection colloidal quantum dot laser. N'ịtụle ọdịiche dị na nhazi eletrọnịkị na ụdị nhazi n'etiti ntụpọ colloidal quantum na ihe ndị dị ndụ, mmepe nke ụzọ nkwadebe ihe nkiri ngwọta ọhụrụ dabara adaba maka ntụpọ colloidal quantum na ihe ndị nwere ọrụ njem eletrọn na oghere bụ naanị ụzọ isi nweta electrolaser nke ntụpọ quantum kpatara. Sistemụ ntụpọ colloidal quantum kacha etozu bụ ntụpọ cadmium colloidal quantum nwere ọla dị arọ. N'ịtụle nchedo gburugburu ebe obibi na ihe egwu ndị dị ndụ, ọ bụ nnukwu ihe ịma aka ịmepụta ihe laser dot colloidal quantum dot ọhụrụ na-adịgide adịgide.

N'ọrụ ndị ga-eme n'ọdịnihu, nnyocha nke laser quantum dot lasers nke a na-akpọ optically pumped na laser quantum dot lasers nke a na-akpọ electronic pumped ma rụọ ọrụ dị mkpa n'ime nnyocha ndị bụ isi na ngwa bara uru. N'ime usoro ojiji nke colloidal quantum dot laser, a ga-edozi ọtụtụ nsogbu ndị a na-ahụkarị ngwa ngwa, otu esi enye njirimara na ọrụ pụrụ iche nke colloidal quantum dot egwuregwu zuru oke ka a ga-enyocha.