Pfupiso yesimba gurulaser ye semiconductorchikamu chekutanga chebudiriro
Sezvo kushanda nesimba zvichiri kuramba zvichivandudzika, ma laser diode (mutyairi we diode dzelaser) icharamba ichitsiva matekinoroji echinyakare, nokudaro ichichinja magadzirirwo ezvinhu uye ichigonesa kugadzirwa kwezvinhu zvitsva. Kunzwisisa kuvandudzwa kwakakosha mumalaser e semiconductor ane simba guru kwakadererawo. Kushandurwa kwemaerekitironi kuita malaser kuburikidza nema semiconductor kwakaratidzwa kekutanga muna 1962, uye kwakatevera kufambira mberi kwakasiyana-siyana kwakawedzera kufambira mberi kukuru mukushandurwa kwemaerekitironi kuita malaser ane zvibereko zvakawanda. Kufambira mberi uku kwakatsigira mashandisirwo akakosha kubva pakuchengetera optical kusvika ku networking ye optical kusvika kuminda yakasiyana-siyana yeindasitiri.
Kuongorora kufambira mberi uku pamwe nekufambira mberi kwavo kunoratidza mukana wekuva nemigumisiro yakakura uye yakapararira munzvimbo dzakawanda dzehupfumi. Kutaura zvazviri, nekuvandudzwa kuri kuitwa ma-laser e-semiconductor ane simba guru, nzvimbo yekushandisa ichakurumidzisa kukura, uye ichava nemigumisiro yakakura pakukura kwehupfumi.
Mufananidzo 1: Kuenzanisa kwechiedza nemutemo waMoore wemagetsi e semiconductor ane simba guru
Ma lasers e solid-state anopombwa ne diode uyemalaser efaibha
Kufambira mberi mukushandisa ma laser e semiconductor ane simba guru kwakatungamirawo mukuvandudzwa kwetekinoroji yekushandisa ma laser epasi, uko ma laser e semiconductor anowanzo shandiswa kumutsa makristaro ane doped (diode-pumped solid-state lasers) kana ma fiber ane doped (fiber lasers).
Kunyangwe ma laser e semiconductor achipa simba re laser rinoshanda zvakanaka, diki, uye rakachipa, anewo zvipingamupinyi zviviri zvikuru: haachengete simba uye kupenya kwawo kwakaganhurirwa. Chaizvoizvo, mashandisirwo mazhinji anoda ma laser maviri anobatsira; Rimwe rinoshandiswa kushandura magetsi kuita laser emission, uye rimwe rinoshandiswa kuwedzera kupenya kwe emission iyoyo.
Malaser e solid-state anopombwa ne diode.
Mukupera kwema1980, kushandiswa kwemasemiconductor lasers kupomba ma solid-state lasers kwakatanga kufarirwa zvakanyanya neveruzhinji. Ma diode-pumped solid-state lasers (DPSSL) anoderedza zvikuru kukura nekuoma kwema thermal management systems (kunyanya ma cycle coolers) uye ma gain modules, ayo kare aishandisa marambi e arc kupomba ma solid-state laser crystals.
Kureba kwewavelength kwelaser ye semiconductor kunosarudzwa zvichienderana nekupindirana kwehunhu hwekunyudzwa kwespectral ne gain medium yelaser yakasimba, izvo zvinogona kuderedza zvakanyanya mutoro wekupisa zvichienzaniswa ne wideband emission spectrum yelamp ye arc. Tichifunga nezvekufarirwa kwema laser ane neodymium-doped anoburitsa 1064nm wavelength, 808nm semiconductor laser yave chigadzirwa chinobudirira zvikuru mukugadzirwa kwelaser ye semiconductor kwemakore anopfuura makumi maviri.
Kubudirira kwekupomba ma diode kwechizvarwa chechipiri kwakakonzerwa nekuwedzera kupenya kwema multi-mode semiconductor lasers uye kugona kudzikamisa narrow emission linewidths uchishandisa bulk Bragg gratings (VBGS) pakati pemakore ekuma2000. Hunhu hwekunyepa uye husina simba hwe spectral absorption hweinenge 880nm hwakamutsa kufarira kukuru muma spectrally stable high brightness pump diodes. Aya ma higher performance lasers anoita kuti zvikwanisike kupomba neodymium zvakananga pa upper laser level ye4F3/2, zvichideredza quantum deficits uye nekudaro zvichivandudza fundamental mode extraction pa high average power, iyo yaizoganhurirwa nema thermal lenses.
Pakutanga kwemakore gumi echipiri ezana rino remakore, takanga tichiona kuwedzera kukuru kwesimba rema lasers e1064nm single-transverse mode, pamwe chete nema lasers avo ekushandura frequency anoshanda muma wavelengths anooneka uye e ultraviolet. Zvichienderana nehupenyu hurefu hwesimba repamusoro reNd: YAG neNd: YVO4, mashandiro aya eDPSSL Q-switched anopa simba rekurova kwemoyo rakawanda uye simba repamusoro, zvichiita kuti zvive zvakanaka pakugadzirisa zvinhu uye kushandisa micromachining zvine hungwaru.
Nguva yekutumira: Mbudzi-06-2023