Gbanwee ọsọ ọsọ nke ike dị mma

Gbanwee ọsọ ọsọ nkeUgbo ala na-ewu ewu

SUPRA-Short Lasers n'ozuzu na-ezo aka na nsí Pulless na Pulsoseecons, ọtụtụ narị ike nke tetawatts na peteratts, na ike ọkụ na-elekwasị anya karịa 1018 w / cm2. Super ultra-short laser na oputara na nnukwu uru nke phymations, phresle physics, na ike nyocha nke oma na nchekwa obodo. Ebe ọ bụ na ihe ngosi nke teknụzụ ụbụrụ chiri chiri na 1985, ntopute nke mbụ nke ụwalaserN'afọ 1996 na mmecha nke mbụ nke ụwa mbụ laser na 2017, ihe na-elekwasị anya Super ultra-short laser n'oge gara aga bụbu iji Ìhè "kacha sie ike. N'afọ ndị na-adịbeghị anya, ọmụmụ ihe egosila na n'okpuru ọnọdụ nke ịnọgide na-enwe ike na-enwe ike ịchịkwa ala, ọ nwere ike iweta ugboro abụọ na ngwa ọrụ ụfọdụ, nke a na-atụ anya belata ọnụ ọgụgụ nke Super ultra-mkpụmkpụNgwaọrụ laser, kama melite mmetụta ya na Nleta Siser Sky Sky Sky Sky.

Gbagwojuru anya nke ultra-siri ike Ultrashort Laser Laser
Iji nweta elu elu elu n'okpuru ike dị oke ọnụ, a na-ebelata obosara na 20 ~ 30 femtosecons site na ịbawanye bandwidth. Ike ike nke ugbu a 10-raak-Wart laser bụ ihe dị ka 300 »na-emebi ihe na-eme mkpọtụ nke compressur na-eme ka ọ bụrụ akụkụ ya na-eme ka ọ dị iche iche karịa 300 mm. Pulsoni Jiri 20 ~ 30 Feattosecond obosara na 300 mm na-adị mfe iburu Spatiomeral Senping, karịsịa ịgbagọ ihu ihu. Ọgụgụ 1 (a) na-egosi nkewa nke na-esote oge na oge a na-akpata site na ngbasa ya bụ "onye mbụ na-egosi na" Spatio na-egosi na-egosi na "Spatio na-egosi na" Spatio na-egosi na 'Spatio na-egosi na' Spatio na-egosi na 'Spatio na-egosi na' Spatio na-egosi na 'Spatio na-egosi na' Spatio na-egosi na 'Spatio na-egosi na' Spatio na-egosi na 'Spatio na-egosi na' Spatio na-egosi na 'Spatio na-egosi na' Spatio na-egosi na 'Spatio na-egosi na' Spatio na-egosi na 'Spatio na-egosi na' Spatio na-egosi ' Nke ọzọ bụ ihe mgbagwoju anya ka "curvature nke oghere" kpatara nke oghere. FIG. 1 (b) na-egosi mmetụta nke mkpanaka dị mma n'ihu, na-achọ ihu ihu na ihu na-agbada n'ihu na spatio na-agbadata nke ala ọkụ na ebumnuche. N'ihi nke a, a na-elekwasị anya na ike ọkụ dị ukwuu, nke na-agaghị enyere aka na ngwa mpaghara siri ike nke super ultra-short laser.

FIG. 1 (a) Igwe ihu nke ihu ya na-akpata site na prism na grating, na (b) mmetụta nke ịgbagọ ihu na mbara ihu

Njikwa ọsọ ọsọ nke ultra-siri ikeUltrashort laser
Ugbu a, Bessel na-emepụta site na akwara elu nke ebili ụgbọ elu egosila uru ngwa ahịa dị elu laser physics. Ọ bụrụ na okporo osisi na-asọ asọ na-egbu maramara nwere ike na-ekesa ihu na-ekesa ihu igwe, mgbe e gosipụtara ike dị ukwuu nke pac-ray na-emepụta, na-agbasawanye superlulinal. Ọbụna ngwakọta nke enyo enyo na usoro ụdị ọkụ ọkụ na-adịghị mma nwere ike iwepụta ọdịdị nke onye na-eme ihe ike, ma rụpụta ọsọ na-enweghị mgbagha. Mmetụta anụ ahụ dị n'elu na teknụzụ ya nwere ike ịgbanwe "nsogbu" nke ngbanwe n'ihu "ịchịkwa ebumnuche nke iwepụ ọsọ nke na-agafe ultra-show laser.

FIG. 2 (a) mgbe niile na-eme ngwa ngwa, (b) mgbe niile, (na) na-eme ngwa ngwa, (na (D) nke ọma na mpaghara Geometric nke Gentics

Ọ bụ ezie na nchọpụta nke ndị na-emegide ihu dị na mbụ karịa super ultra-short, ọ na-enwe nchegbu n'ebe mmepeanya nke Super ultra-short laser. Ogologo oge, ọ bụghị na-akwado ịkọwa ihe mgbaru ọsọ nke Super ultra-short laser - Ultra-Lekwasịrị anya na-enweghị ike, na ndị na-eme nchọpụta na-arụ ọrụ na-ebelata ma ọ bụ wepụ ihe dịgasị iche iche ihu. Taa, mgbe "ụgba n'ihu ọgụ" gbagooro ", ọ ga-enweta usoro nchịkwa nke sọks nke Super ultra-short laser na elu-ubi laser.