Tsela e ka sehloohong ea botekgeniki eali-lasers tse ka tšeptjoang tse moqotetsane
Litsela tse ka sehloohong tsa tekheniki tsa tunableli-lasers tsa bophara ba mola o moqotetsanee nang le likheo tsa ka ntle tsa semiconductor
Li-lasers tse tšesaane tse tšesaane ke motheo oa ts'ebeliso e pharalletseng mafapheng a kang atomic physics, spectroscopy, quantum information, coherent communication, remote sensing, le tekanyo e nepahetseng. Makaleng ana, li-lasers tse bonolo, tse theko e tlaase, tse patisaneng le bophara ba li-laser tse pharalletseng li tla tsoela pele ho tsamaisa lits'ebetso tse ncha tsa theknoloji ena.
Lilemong tse 50 tse fetileng, histori ea merabemohlodi wa lebone le kgonehangTLS Laser e bonts'itse haholo nts'etsopele ea theknoloji ea laser. Li-lasers tsa pele tsa dae li nkeloe sebaka ke li-external cavity diode lasers (ECDLs), ha litsamaiso tse matla a phahameng li laoloa ke li-laseser tse tiileng tsa naha (tse kang titanium-sapphire lasers) kapa li-frequency-converted Nd:YAG lasers tse sebelisang oscillator ea optical parametric (OPO). Li-lasers tsa diode tse se nang likheo tse ka ntle tse tsitsitseng li tlatsitse pheletso ea 'maraka e theko e tlase le e sa sebetseng hantle ka li-diode tsa khoebo tsa DFB Laser le DBR, tse nang le bophara ba mela e moqotetsane joalo ka 500kHz. Haufinyane tjena, li-laser tsa fiber le li-laser tsa fiber tse feto-fetohang li se li qalile ho nkela lits'ebetso tse ngata tse tiileng sebakeng ka meralo e fapaneng, e fanang ka matla a holimo le ho etsa lintho tse ngata, kapa bophara bo fokolang ba mela. Matsatsing ana, ho hlaha ha li-frequency combs ho etsa hore li-lasers tse tsitsitseng khafetsa li fihlelle bolelele bofe kapa bofe ha li ntse li boloka botsitso le ho nepahala. Leha ho le joalo, ho sa tsotellehe sena, ka ntle cavitylaser ea semiconductore ntse e boloka boemo ba eona e le mohloli oa leseli o sebelisoang ka tloaelo lilaboratoring tse ngata ka lebaka la bonolo, ts'ebetso e mengata, ts'ebetso e hlomphehang le theko e tlaase haholo.
Hajoale, li-lasers tsa moqotetsane tse tšesaane tse nang le li-semiconductors tsa kantle li sebelisitsoe haholo ho:
Pholiso ea laser le ho hapa
Bose-Einstein condensation
Quantum Optics: Leseli le hatelitsoeng
Leseli la motlakase le bonaletsang le butle
Litekanyetso tsa nako le khafetsa
Laser spectroscopy
Li-lasers tse tšesaane tse tšesaane hangata li entsoe ka selaoli, laser diode le mojule oa khetho ea frequency. Mohlala, li-gratings tse sebelisetsoang ho khetha le ho lokisa, kapa lihloela tse ipapisitseng le sebopeho sa mahlo a katse, joalo-joalo. Litšobotsi tsa bohlokoa tsa lasers tse moqotetsane-linewidth tse nang le li-semiconductors tsa kantle li kenyelletsa bophara bo tlase ba laser linewidth, low frequency drift le wide tuning range, joalo-joalo. Ho fihlela botsitso bo phahameng ba maqhubu a laser, mefuta e fapaneng ea li-module tsa laser frequency-locking li ka eketsoa. Ka mohlala, ka ho sebelisa theknoloji ea PDH frequency stabilization ho koala laser wavelength holim'a optical super-stable cavity, moeli oa laser o ka fokotsoa ho isa boemong ba 1 Hz, 'me botsitso ba maqhubu bo ka fihla <3 × 10-15 @ 1 s.
Nako ea poso: Jun-11-2025