Umgaqo osisiseko wokuSebenza we-Laser (i-ameright ekhanyayo ngokukhupha imitha) isekwe kwi-phenomenon yokukhupha ukukhanya kokukhanya. Ngothotho lwemilo echanekileyo kunye nolwakhiwo, i-lasers, i-lakers ivelise imiqadi enobuqhetseba obuphakathi, i-monocsicity, kunye nokukhanya. I-Lasers isetyenziswe ngokubanzi kwitekhnoloji yale mihla, kubandakanya emisini enjengonxibelelwano, amayeza, imveliso, ukulinganiswa, kunye nophando lwenzululwazi. Iimpawu zabo eziphezulu kunye neempawu zolawulo ezichanekileyo zibenza zibe zezonkalo zetekhnoloji ezininzi. Apha ngezantsi kukho inkcazo eneenkcukacha yemithetho-siseko yokusebenza ye-lars kunye neendlela zeentlobo ezahlukeneyo zeendlela ezahlukeneyo zokunqongophala.
1. Ikhutshiwe
UkhutshiweNgaba le meko isisiseko emva kwesizukulwane se-laser, okokuqala icetywa ngu-Einstein ngo-1917. Le meko ichaza ukuba ziyintoni na iifoto ezinokubakho ngokusebenzisana kunye nophando olwakho. Ukuqonda ngcono ukukhutshwa, masiqale ngokukhutshwa kokuzenzekelayo:
Ukukhutshwa ngokuzenzekelayo: Kwii-athotom, iimolekyuli, okanye ezinye izifo ze-microscopic, i-elektroni zingafumana amandla angaphandle (njengamandla ombane okanye omatshini) kunye notshintsho kwinqanaba elinamandla. Nangona kunjalo, ii-elektroniki zovuyo-zovuyo ziyazinza kwaye ekugqibeleni ziya kubuyela kwinqanaba eliphantsi lamandla, eyaziwa ngokuba yimeko yomhlaba, emva kwexesha elifutshane. Ngeli xesha lenkqubo, i-elektronte ikhuphe i-photon, engekhoyo yokungasebenzi. Iifoto ezinjalo azikho ngokulandelelana ngokweerejista, iSigaba, kunye nesikhokelo, kwaye ke zinokuhambelana.
Ukhutshiwe: Isitshixo sokuvuselela ukukhutshwa kukuba xa i-elektroni idibana ne-photon ehambelana namandla ayo okutshintsha, i-photon inokuqhuba i-Electroni ukuba ibuyele kwi-photon entsha. I-photon entsha iyafana neyokuqala kwi-frequency, iSigaba, kunye nolwando olusasazwayo, ngenxa yokukhanya okuhambelanayo. Le phenomenon iphakamisa inani kunye namandla eefoto kwaye yindlela engundoqo ye-lasers.
Isiphumo esifanelekileyo sokukhuthaza ukukhutshwa: Kuyilo lwee-lars, inkqubo yokukhuthaza i-Ekhriss iphindaphindwe kaninzi, kwaye esi siphumo sokuphendula esifanelekileyo sinokunyusa inani leefoto. Ngoncedo lwe-cavity ye-prenament, ukuhambelana kweefoto kuyagcinwa, kwaye ubunzulu be-buam bokukhanya buyanda.
I-2. Fumana iphakathi
Ifumana iphakathiNgaba izinto eziphambili kwi-laser echaza ukwenziwa kweefoto kunye nemveliso yase-laser. Sisizathu sokuphuma esikhuthazwe, kwaye iipropathi zayo zimisela indabuko, i-wavelength kunye negunya lemveliso ye-laser. Uhlobo kunye neempawu ze-zuza ichaphazela ngqo isicelo kunye nokusebenza kwe-laser.
Indlela yokuguqulela: I-Electrons kwi-Fonecen Inzuzo yoMdibaniso wonwabe kwinqanaba eliphezulu lamandla ngumthombo wamandla angaphandle. Le nkqubo ihlala iphunyezwa ziinkqubo zoncedo lwangaphandle. Iindlela eziqhelekileyo zokunxibelelana zibandakanya:
Ukupeyilwa kombane: Ukuchulumancisa ii-elektroni kwi-zuza phakathi ngokusebenzisa umbane wangoku.
Impompo ye-optical: Ukuchulumancisa iphakathi kunye nomthombo wokukhanya (onjengesibane seflethi okanye enye i-leser).
INKQUBO YOQOQOSHO: Ii-elektroni kwi-zuza eziphakathi zisasazwa kumanqanaba athile amandla. Eyona ixhaphakileyo yileIinkqubo zenqanaba ezimbinikwayeIinkqubo zenqanaba ezine. Kwinkqubo yenqanaba lesibini amashumi amabini, inguquko ye-elektroniki ukusuka kwilizwe elinomhlaba ukuya kwindawo eyonwabileyo emva koko ibuyele kwimo yomhlaba ngokukhuthaza ukuphuma. Kwinkqubo yemigangatho emine, elektrone isebenza ngakumbi iinguqulelo ezinzima phakathi kwamanqanaba amandla ahlukeneyo, zihlala zikhokelela ekusebenzeni okuphezulu.
Iindidi zokufumana imithombo yeendaba:
Igesi ifumana phakathiUmzekelo, i-helium-neon (he-ne) i-lars. Igesi ifumana imithombo yeendaba yegesi yaziwa ngokuzinza kwayo kunye ne-waveength yawo, kwaye isetyenziswa ngokubanzi njengemithombo yokukhanya esemgangathweni kwilebhu.
Ulwelo luzuza phakathiUmzekelo: I-Dye I-DEArs. Iimolekyuli zedayi zinepropathi yochulumanco kwiimpawu ezintle kuzo kumaza akhe ezahlukeneyo, ezibenza balungele ukuba bangabinakho ukubanjwa.
UqinileUmzekelo: Umzekelo, i-ND (ne-neodmium-i-netrinum ganuminum pagnenet) i-lasers. Ezi phungalo zisebenza kakhulu kwaye zinamandla, kwaye zisetyenziswa ngokubanzi kwizinto ezinqumlayo, i-welding, kunye nezicelo zonyango.
I-Semiconductor izuza phakathiUmzekelo, izixhobo ze-Gallium Arsenide (Gaas) zisetyenziswa ngokubanzi kunxibelelwano kunye nezixhobo ze-Optoect ezifana ne-laser.
I-3. I-Reder Cavity
II-Reder Cavitylicandelo lesakhiwo kwi-laser esetyenziselwa impendulo kunye ne-Amphation. Umsebenzi wayo ophambili kukuphucula inani leefoto eziveliswe ngokuphuma ekucingeni nasekwenzeni ngaphakathi kwemveliso yendlela eqinileyo kwaye ichaphazele i-laser eqinileyo kwaye ijolise kwi-laser eqinileyo kwaye ijolise kwi-laser eqinileyo nelijolise kwi-laser eyomeleleyo nenokugxila.
Ulwakhiwo lweCandotor CavityIhlala inezibuko ezimbini ezifanayo. Isibuko esinye esibonisa ngokupheleleyo, esaziwa njengeisibuko ngasemva, kwaye enye sisibuko esibonisa ngokucacileyo, esaziwa njengeisibuko semveliso. Iifoto zibonisa ngasemva nangaphandle kwe-cavity kwaye zikhuliswe ngokusebenzisana ne-zune.
Imeko yokuhlaziyaI-Cavity ye-ressotor kufuneka ihlangabezane neemeko ezithile, njengokuqinisekisa ukuba iifoto zenziwa ngamaza amileyo ngaphakathi kwe-cavity. Oku kufuna ukuba ubude be-cavity ukuba baninzi kwi-laser wavelength. Kuphela ngamaza amafutshane ahlangabezana nale meko anokuphakanyiswa ngempumelelo ngaphakathi kwe-cavity.
Iziphumo ze-Beam: Isibuko esibonakalayo sivumela inxenye ye-Arpathied Light Payd ukudlula, ukwenza i-Laser ye-Laser. Lo mgangatho uphakame uphando oluphezulu, uCoper, kunye ne-monocramatity.
Ukuba ufuna ukufunda ngakumbi okanye unomdla kwii-lars, nceda ukhululeke ukunxibelelana nathi:
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