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Kedu ihe bụ laser cryogenic
Gịnị bụ "laza cryogenic"? N'ezie, ọ bụ laza nke chọrọ ọrụ okpomọkụ dị ala na usoro uru. Echiche nke laza na-arụ ọrụ na okpomọkụ dị ala abụghị ihe ọhụrụ: laza nke abụọ n'akụkọ ihe mere eme bụ cryogenic. Na mbụ, echiche ahụ siri ike iru ọrụ okpomọkụ ụlọ, na ...GỤKWUO -
Arụmọrụ nke ihe nchọpụta foto na-emebi oke echiche
Dịka netwọk nke ndị ọkachamara n'ihe gbasara physics si kwuo, e bipụtara na nso nso a na ndị nchọpụta Finland emepụtala ihe nchọpụta foto silicon ojii nke nwere arụmọrụ quantum mpụta nke 130%, nke bụ oge mbụ arụmọrụ nke ngwaọrụ fotovoltaic gafere oke echiche nke 100%, nke bụ...GỤKWUO -
Nsonaazụ nyocha kachasị ọhụrụ nke ndị na-achọpụta ihe ndị dị ndụ
Ndị nchọpụta emepụtala ma gosipụta ihe nchọpụta ihe ndị na-egosi ihe ndị na-eme ka ìhè ndụ dị ndụ na-amịkọrọ ìhè ndụ ndụ, nke nwere mmetụta dị ukwuu ma dakọtara na usoro mmepụta CMOS. Ịtinye ihe nchọpụta ihe ọhụrụ ndị a n'ime ihe mmetụta onyonyo silicone nwere ike ịba uru maka ọtụtụ ngwa. Ndị a...GỤKWUO -
Ike mmepe sensọ infrared dị mma
Ihe ọ bụla nwere okpomọkụ karịrị efu zuru oke na-enye ike n'ime oghere dị n'èzí n'ụdị ìhè infrared. Teknụzụ mmetụta nke na-eji radieshon infrared atụ ọnụọgụ anụ ahụ dị mkpa ka a na-akpọ teknụzụ mmetụta infrared. Teknụzụ sensọ infrared bụ otu n'ime mmepe kachasị ngwa ngwa...GỤKWUO -
Ụkpụrụ laser na ojiji ya
Laser na-ezo aka na usoro na ngwa nke imepụta ọkụ collimated, monochromatic, coherent light light outlet site na mmụba radieshon kpaliri na nzaghachi dị mkpa. N'ụzọ bụ isi, mmepụta laser chọrọ ihe atọ: "resonator," "gain medium," na "pu...GỤKWUO -
Gịnị bụ ihe onyonyo agbakọtara ọnụ?
Echiche nke integrated optics bụ nke Dr. Miller nke Bell Laboratories wepụtara na 1969. Integrated optics bụ isiokwu ọhụrụ nke na-amụ ma na-emepụta ngwaọrụ anya na sistemụ ngwa eletrọniki ngwakọ site na iji usoro agbakọtara dabere na optoelectronics na microelectronics. Nke a...GỤKWUO -
Ụkpụrụ nke oyi laser na itinye ya na atọm oyi
Ụkpụrụ nke ime ka laser jụọ oyi na itinye ya na atọm oyi N'ihe gbasara atom oyi, ọtụtụ ọrụ nnwale chọrọ ijikwa ihe ndị dị na ya (ịtụba atọm ionic, dị ka elekere atọm), ibelata ha, na ime ka nha ha ka mma. Site na mmepe nke teknụzụ laser, laser coo...GỤKWUO -
Okwu Mmalite maka nchọpụta foto
Ihe nchọpụta foto bụ ngwaọrụ nke na-agbanwe akara ọkụ ka ọ bụrụ akara eletriki. N'ime ihe nchọpụta foto semiconductor, ihe na-ebu foto nke photon ahụ mepụtara nke na-akpali akpali na-abanye na sekit mpụga n'okpuru voltaji bias etinyere ma na-emepụta photocurrent a na-atụ anya ya. Ọbụna na nzaghachi kachasị...GỤKWUO -
Kedu ihe bụ laser ultrafast
A. Echiche nke laser ultrafast Laser Ultrafast na-ezo aka na lasers mode-locked nke e ji ewepụta ultra-short pulses, dịka ọmụmaatụ, pulses nke femtosecond ma ọ bụ picosecond duration. Aha ziri ezi karị ga-abụ ultrashort pulse laser. Ultrashort pulse lasers fọrọ nke nta ka ọ bụrụ ulse-mode-locked lasers, mana ...GỤKWUO -
Echiche na nhazi nke nanolas
Nanolaser bụ ụdị ngwaọrụ obere na nano nke e ji ihe ndị dị ka nanowire mee dị ka resonator ma nwee ike ịpụta laser n'okpuru fotoexcitation ma ọ bụ mkpali eletriki. Nha laser a na-abụkarị naanị narị micron ma ọ bụ ọbụna iri micron, dayameta ya dịkwa na nanometer ...GỤKWUO -
Ihe ngosiputa mmebi nke laser kpatara
Usoro nchọpụta breakdown nke laser-Induced (LIBS), nke a makwaara dị ka Laser-Induced Plasma Spectroscopy (LIPS), bụ usoro nchọpụta spectral ngwa ngwa. Site n'ilekwasị anya na pulse laser nwere nnukwu ike njupụta n'elu ihe achọrọ nke ihe nlele a nwalere, a na-emepụta plasma site na mkpali ablation, na ...GỤKWUO -
Kedu ihe bụ ihe na-eme ka ọkụ dị n'ebe dị anya?
Ihe na-eme ka ọkụ dị n'èzí pụta ìhè na ọ bụrụ na ọ na-arụ ọrụ nke ọma, ọ nwere ike ịgbanwe ụfọdụ paramita nke ọkụ site na mkpụrụ ndụ kristal mmiri mmiri, dịka ịhazi oke nke ọkụ, ịhazi usoro ahụ site na ntụnye ọkụ, ịhazi ọnọdụ polarization site na ntụgharị nke ...GỤKWUO
