Teknụzụ na usoro mmepe nke lasers attosecond na China
The Institute of Physics, Chinese Academy of Sciences, kọrọ nsonaazụ nha nke 160 dị ka ihe dịpụrụ adịpụ attosecond pulses na 2013. A na-emepụta ihe dịpụrụ adịpụ attosecond pulses (IAPs) nke otu nyocha a dabere na nkwekọ dị elu nke na-ebugharị site na sub-5 femtosecond laser pulses stabilized by kEPetiti rate, with a attosecond pulses. Ihe e ji mara ihe na-adịru nwa oge nke pulses attosecond site na attosecond stretch spectroscopy. Nsonaazụ na-egosi na beamline a nwere ike inye pulses dịpụrụ adịpụ na nkeji 160 attoseconds na etiti wavelength nke 82eV. Ndị otu ahụ emela ọganihu n'ọgbọ isi mmalite na attosecond na-agbatị spectroscopy technology. Isi iyi ọkụ ultraviolet dị oke egwu nwere mkpebi attosecond ga-emeghekwa oghere ngwa ọhụrụ maka physics condensed. Na 2018, Institute of Physics, Chinese Academy of Sciences, kọkwara atụmatụ ihe owuwu maka ngwaọrụ ihe nleba anya ultrafast nke edoziri oge nke na-ejikọta isi mmalite ọkụ abụọ na njedebe nha dị iche iche. Nke a ga-enyere ndị nchọpụta aka ime mgbanwe attosecond ruo femtosecond oge edozi nha nke usoro ultrafast n'okwu, ebe ha na-enwekwa ike na mkpebi ohere. Ọ na-enye ndị na-eme nchọpụta ohere inyocha na ijikwa microscopic ultrafast eletrọnịkị ike na atọm, ụmụ irighiri ihe, elu na nnukwu ihe siri ike. Nke a ga-emecha mepee ụzọ maka nghọta na itinye ihe omume macroscopic dị mkpa na-ekpuchi ọtụtụ usoro nyocha dị ka physics, kemistri na bayoloji.
N'afọ 2020, Mahadum Sayensị na Teknụzụ Huazhong tụpụtara ka e jiri ụzọ nyocha niile wee tụọ nke ọma na wughachi mkpụrụ osisi nke abụọ site na teknụzụ gating ngwa anya edoziri ugboro ugboro. N'afọ 2020, ụlọ akwụkwọ sayensị nke China kọwakwara na ọ rụpụtala ihe ịga nke ọma n'ịmepụta mkpụrụ osisi dịpụrụ adịpụ site n'ịkpụzi oghere fotoelectric femtosecond site na itinye teknụzụ ụzọ ụzọ ụzọ ọkụ abụọ. Na 2023, otu sitere na National University of Defence Technology tụpụtara usoro PROOF ngwa ngwa, nke a na-akpọ qPROOF, maka njirimara nke ultra-wideband dịpụrụ adịpụ attosecond.
N'afọ 2025, ndị nyocha sitere na Mahadum Sayensị China dị na Shanghai mepụtara teknụzụ mmekọrịta laser dabere na sistemụ mmekọrịta oge arụnyere onwe ya, na-enye nha ogologo oge jitter dị elu yana nzaghachi ozugbo nke lasers picosecond. Ọ bụghị naanị na nke a na-achịkwa oge nke sistemu ahụ n'ime oke attosecond kamakwa ọ kwalitekwara ntụkwasị obi nke sistemụ laser n'oge ọrụ ogologo oge. Usoro nyocha na njikwa nke emepụtara nwere ike ime mmezi oge maka oge jitter. N'otu afọ ahụ, ndị nchọpụta na-ejikwa lasers relativistic intensity spacetime vortices (STOV) na-emepụta pulses gamma-ray dịpụrụ adịpụ na-ebu mpụta orbital angular angular.
The ubi nke attosecond lasers bụ na a oge nke ngwa ngwa mmepe, ekpuchi otutu akụkụ si isi nnyocha na ngwa nkwalite. Site na mgbalị nke ndị otu nyocha sayensị, owuwu nke akụrụngwa, nkwado nke amụma mba, na imekọ ihe ọnụ na mgbanwe nke ụlọ na mba ụwa, nhazi nke China na ngalaba nke laser atsecond ga-enweta atụmanya mmepe sara mbara. Dị ka ọtụtụ mahadum na nnyocha ụlọ ọrụ na-esonyere nnyocha na attosecond lasers, otu ìgwè nke nkà mmụta sayensị nnyocha nkà na mba ụwa na ọhụrụ ike ga-azụlite, na-akwalite na-adigide mmepe nke attosecond sayensị. National Attosecond isi ụlọ ọrụ sayensị ga-enyekwa usoro nyocha na-eduga maka obodo sayensị ma na-enye nnukwu onyinye maka ọganihu sayensị na teknụzụ.
Oge nzipu: Ọgọst-26-2025