Inzira nyamukuru ya tekiniki ya lasers zishobora guhindurwa zifite ubugari buto

Inzira nyamukuru ya tekiniki yolasers y'ubugari bw'umurongo muto ishobora guhindurwa

Inzira z'ingenzi za tekiniki zo gukosoralaser z'ubugari bw'umurongo mutohamwe n'ibinogo byo hanze bya semiconductor

Lazeri zoroshye, zihendutse, ziciriritse ni zo zikoreshwa mu buryo bwagutse mu nzego nka fiziki ya atomiki, spectroscopy, amakuru ya quantum, itumanaho rihuza, kumva kure, no gupima neza. Muri izi nzego, lazeri zoroshye, zihendutse, ziciriritse, n'iziciriritse zizakomeza gukoresha ubu buryo bushya bw'ikoranabuhanga.

Mu myaka 50 ishize, amateka y'isoko y'urumuri rushobora guhindurwaTLS Laser yagaragaje cyane iterambere ry'ikoranabuhanga rya laser. Imashini za mbere zo gushushanya zasimbuwe na laser zo hanze (ECDLs), mu gihe sisitemu zifite ingufu nyinshi ziganjemo laser zo mu bwoko bwa solid-state (nka laser za titanium-sapphire) cyangwa laser za Nd:YAG zihindura frequency zikoresheje oscillators za optical parametric (OPO). Laser za diode zidafite imyobo ihamye y'inyuma zujuje isoko rihendutse kandi ridafite imikorere myiza hamwe na diode za DFB Laser na DBR, zifite ubugari bw'umurongo bungana na 500kHz. Vuba aha, laser za fibre na laser za fibre zo mu bwoko bwa variable-frequency zatangiye gusimbuza sisitemu nyinshi za solid-state zifite imiterere itandukanye, zitanga imbaraga nyinshi no gukosora cyane, cyangwa ubugari bw'umurongo buto. Muri iki gihe, kugaragara kw'imyobo igabanya frequency bituma laser zihindura frequency zigerwaho ku bunini bw'uburebure ubwo aribwo bwose mu gihe zigumana ituze n'ubuziranenge bwiza. Ariko, nubwo bimeze bityo, imyobo yo hanzelaser ya semiconductoriracyafite urwego rwayo nk'isoko ry'urumuri rikoreshwa cyane muri laboratwari nyinshi bitewe n'uko yoroshye, ifite imikorere myinshi, imikorere myiza kandi ihendutse cyane.

Kugeza ubu, lasers zishobora guhindurwa zifite semiconductors zo hanze y'aho ziherereye zakoreshejwe cyane muri:

Gukonjesha no gufata hakoreshejwe laser

Ubushyuhe bwa Bose-Einstein

Quantum Optics: Urumuri rukonjeshejwe

Umucyo ubonerana kandi ugenda buhoro w'amashanyarazi

Ibipimo ngenderwaho by'igihe n'inshuro

Ishusho ya laser

Ibyuma bya laser bipima ubugari bwa narrow-line bikunze kuba bigizwe n'icyuma gipima ubugari bwa laser, diode ya laser na module yo guhitamo frequency. Urugero, gratings zikoreshwa mu guhitamo no gutunganya frequency ya laser, cyangwa filters zishingiye ku miterere y'ijisho ry'injangwe, nibindi. Ibintu by'ingenzi biranga ibyuma bya laser bipima ubugari bwa narrow-line hamwe na semiconductors zo hanze harimo ubugari bwa laser bupima ubugari bwa narrow, frequency drift nto, na wide tuning range, nibindi. Kandi ibi bintu bidasanzwe bishingiye ku buryo bwiza cyane bwo gutwara laser, imikorere ya mekanike ya laser, n'ihame ryo guhitamo frequency. Kugira ngo laser igere ku bugari bwa frequency, modules zitandukanye zo gufunga frequency za laser zishobora kongerwamo. Urugero, hakoreshejwe ikoranabuhanga rya PDH rigena ubugari bwa laser ku ruhu rw'amashanyarazi rudahindagurika, ubugari bwa laser bushobora kugabanuka bukagera ku rwego rwa 1 Hz, kandi ubugari bwa frequency bushobora kugera kuri < 3 × 10-15 @ 1 s.