Hindura umuvuduko wa pulse wa super-ikomeye ultrashort laser

Hindura umuvuduko wa pulse waSuper-ikomeye Ultrashort Laser

Super ultra-ngufi muri rusange bivugwa kuri laser Pulse hamwe nubugari bwa pulse na femtosekonds, imbaraga za Terawatts na Petawatt, kandi ubukana bwabo bwibanze burenze 1018 w / cm2. Super ultra-ngufi ya laser hamwe na super radiast ya super hamwe ningufu nyinshi zifite agaciro gakomeye mubushakashatsi, ubuzima bwa fiziki, ubuzima bwa astrophysics bushobora kubahirizwa ryinshi Kuva guhangayikishwa na tekinoroji ya Pulse muri 1985, hagaragaye kugaragara kwisi ya WattlaserMu 1996 no kurangiza watt ya mbere y'isi yose muri 2017, uwambere muri laser ya superra-ngufi yahoze agera kuri "Umucyo mwinshi". Mu myaka yashize, ubushakashatsi bwerekanye ko munsi yuburyo bwo kubungabunga super lasenimise ya super laser ya super ultra-mugufi bishobora kugenzurwa, bizazana inshuro ebyiri zimbaraga zifatika, ziteganijwe kugabanya igipimo cya super ultra-ngufiIbikoresho bya Laser, ariko kunoza ingaruka zacyo murwego rwohejuru rwa laser physics.

Kugoreka Imbere ya Ultra-ikomeye Ultrashort Laser
Kugirango tubone imbaraga zamapinde zijyanye n'imbaraga nke, ubugari bwa pulse bugabanutse kugera kuri 20 ~ 30 femtoseConds bagura inyungu. Ingufu za Pulse zigezweho 10-watt ultra-ngufi ya laser ni joules 300, hamwe ninzitizi nkeya zumukiriya ufashe kuri beam aperture muri rusange mm 300. Impyisi ya pulse ifite ubugari bwa 20 ~ 30 femtosecond na 300 mm aperture yoroshye kugoreka kwa spatiotemporporal, cyane cyane kugoreka imbere. Igishushanyo 1 (a) Kwerekana gutandukanya by'agateganyo imbere yihuta kandi icyiciro cyatewe nicyiciro cya Beam Disperces, kandi ibyambere ryerekana "spatio-yigihe gito" ugereranije na nyuma. Ibindi nibyinshi cyane "kugabanuka kwo-umwanya" biterwa na sisitemu ya lens. Igishushanyo 1. Nkigisubizo, ubukana bwumucyo bwibanze buragabanuka cyane, budafasha mubikorwa bikomeye byo gushyira mubikorwa bya super ultra-ngufi.

Igishushanyo 1.

Igenzura ryihuta rya ultra-ikomeyeultrashort laser
Kugeza ubu, ibiti bya Bessiel byakozwe mubyimbye byikirere bwimiraba yindege byerekanye agaciro gasaba muri filime ndende ya laser physics. Niba bikabije urumuri rwipaki rufite ikwirakwizwa ryimbere yimbere, noneho ikigo cya geometrike ubukana bwa x-ray umuvuduko wa x-ray. Ndetse no guhuza indorerwamo ya dicformable na Phase Ubwoko bworoshye bwa statial burashobora kubyara imiterere uko bishakiye-impimbaro yimbere, hanyuma bigatanga umuvuduko woherejwe. Ingaruka zifatika zavuzwe haruguru hamwe na tekinoroji yayo irashobora guhindura "kugoreka" imbere "kugenzurwa" imbere yihuta, hanyuma tumenye intego yo guhindura umuvuduko wanyuma wa ultra-ikomeye.

Igishushanyo 2 (a) Guhora Byihuta-Kurema-Umucyo, (B) Guhora meredrike, (C) Umucyo Wihuse-Umucyo

Nubwo kuvumburwa byimbere yimbere habaye uwambere cyane kuri super ultra-ngufi, byahangayikishijwe cyane no guteza imbere laser super ultra-ngufi. Kuva kera, ntabwo bifasha kumenya intego nyamukuru ya super ultra-ngufi - ultra-muremure wibanda cyane, nabashakashatsi bakoze kugirango bahagarike cyangwa bakureho kugoreka ibintu bitandukanye. Uyu munsi, igihe "kugoreka imbere" "yateye imbere" kugenzura imbere ", bimaze kugera ku mabwiriza y'ikirenga ya Super ultra-ngufi yo gusaba laser ya super ultra-ngufi ya laser fiys.