Tawagar Laser na Laser Kyauta na Kwalejin Kimiyya ta kasar Sin sun sami ci gaba a cikin bincike na laser na'urar lantarki mai cikakken daidaituwa.Dangane da na'urar Laser na Laser Kyauta mai Soft X-ray na Shanghai, an sami nasarar tabbatar da sabon tsarin echo harmonic cascade free electron Laser da kasar Sin ta gabatar, kuma an sami nasarar tabbatar da ingancin hasken X-ray mai laushi tare da kyakkyawan aiki.Kwanan nan, an buga sakamakon a cikin Optica a ƙarƙashin taken Haɗaɗɗen rahusa da gajeriyar raɗaɗin X-ray mai laushi daga lasar wutar lantarki da ba ta dace da echo-enabled.
Laser electron kyauta na X-ray yana ɗaya daga cikin manyan hanyoyin haske a duniya.A halin yanzu, yawancin na'urorin lantarki na X-ray na duniya suna dogara ne akan tsarin haɓakawa da ba da izini ba (SASE), SASE yana da haske mai girma sosai da matakin femto matsananci-gajeren bugun bugun jini da sauran kyakkyawan aiki, amma girgiza SASE. ta hanyar amo, daidaituwa da kwanciyar hankali na bugun jini ba shi da yawa, ba shine “laser” na X-ray ba.Ɗaya daga cikin mahimman kwatancen ci gaba a fagen laser na laser kyauta na duniya shine samar da cikakkiyar hasken X-ray tare da ingancin laser na al'ada, kuma hanya mai mahimmanci ita ce amfani da na'urar sarrafa Laser kyauta na iri na waje.Radiation na waje iri free electron Laser gaji halaye na iri Laser, kuma yana da kyawawan halaye kamar cikakken daidaituwa, lokaci iko da daidai aiki tare da waje famfo Laser.Koyaya, saboda ƙayyadaddun tsayin tsayi da bugun bugun jini na Laser iri, gajeriyar ɗaukar hoto da tsayin bugun bugun jini na Laser ɗin waje na kyauta kyauta yana iyakance.Domin ƙara faɗaɗa ɗan gajeren zangon ɗaukar hoto na waje iri na laser kyauta na lantarki, sabbin nau'ikan Laser na laser kyauta na aiki kamar echo harmonic ƙarni ana haɓaka da ƙarfi a duniya cikin 'yan shekarun nan.
Laser free iri na waje na ɗaya daga cikin manyan hanyoyin fasaha don haɓaka babbar riba ta Laser ɗin lantarki kyauta a China.A halin yanzu, duk manyan na'urorin Laser na'urar lantarki guda huɗu masu girma a China sun karɓi yanayin aikin iri na waje.Bisa ga Shanghai Deep Ultraviolet Free Electron Laser Facility da Shanghai Soft X-ray Free Electron Laser Facility, masana kimiyya sun samu nasarar cimma na farko na kasa da kasa echo irin free electron Laser haske karawa da farko matsananci ultraviolet echo irin free electron Laser jikewa karawa.Domin kara inganta fitar waje iri free electron Laser zuwa ga gajeren zango, da bincike tawagar da kanta ba da shawarar wani sabon tsari na cikakken daidaitaccen electron Laser tare da echo harmonic cascade, wanda Shanghai Soft X-ray Free electron Laser na'urar ta karbe. maƙasudin mahimmin tsari, kuma ya kammala aikin gaba ɗaya daga tabbatarwa na ƙa'ida zuwa haɓaka haske a cikin rukunin X-ray mai laushi.Sakamakon binciken ya nuna cewa idan aka kwatanta da tsarin sarrafa nau'in nau'in iri na gargajiya na waje, wannan injin yana da kyawawan halaye masu kyau, ta hanyar ɗaukar masu bincike na haɓaka mai zaman kanta na fasahar gano cutar bugun jini ta ultrafast X-ray (https://doi.org/10.1016) /j.fmre.2022.01.027), An kara tabbatar da ingantaccen aikin wannan sabon tsarin a cikin sarrafa tsayin bugun bugun jini da ultrafast bugun bugun jini.Sakamakon binciken da ya dace yana ba da hanyar fasaha mai yuwuwa don samar da cikakken ingantattun lasers na lantarki kyauta a cikin rukunin subnanometer, kuma za su samar da ingantaccen kayan aikin bincike don filayen na'urorin gani marasa kan layi na X-ray da ultrafast na sinadarai na zahiri.
Echo harmonic cascade free electron Laser yana da kyakkyawan aiki na ban mamaki: hoton hagu shine yanayin cascade na al'ada, kuma hoton dama shine yanayin echo jituwa cascade.
X-ray bugun jini tsawon daidaitawa da ultrafast bugun jini tsara za a iya gane ta echo harmonic cascade.
Lokacin aikawa: Oktoba-08-2023