Umgaqo wokuSebenzaI-Semiconductor Laser
Okokuqala, iimfuno zeparamitha ze-semiconductor lars ziyaziswa, ubukhulu becala zibandakanya le miba ilandelayo:
I-1. Ifoto yeFotleleleleletric: kubandakanya ukuphela kwenqanaba, i-Dynamic Linewidth kunye nezinye iiparamitha, ezi paramitha zichaphazela ngqo intsebenzo yeenkqubo zonxibelelwano kwiinkqubo zonxibelelwano.
2. Iiparamitha zesakhiwo: ezinje ngobukhulu obukhanyisiweyo kunye nolungiselelo, inkcazo yokuphelisa, ubungakanani bokufakelwa kunye nobungakanani bophawu.
I-3. Wavelength: i-wavelength yavelela i-Semiconductor Laser ngama-650 ~ 1650Nm, kwaye ukuchaneka kuphezulu.
I-4. Umda wangoku (it) kunye nokusebenza kwangoku (le-LOP): Ezi parameters zimisele iimeko zokuqala kunye nemeko yokusebenza ye-semiconductor lar.
5. Amandla kunye ne-voltage: ngokulinganisa amandla, i-voltage kunye ne-Semiconductor Laser emsebenzini, i-PV, i-PI kunye ne-IV i-IV itsalelekile ukuba iqonde iimpawu zabo zomsebenzi.
UMGAQO-NKQUBO OMPILO
I-1. Ukufumana iimeko: Ukuhanjiswa kwezinto zokuhanjiswa kweenqwelo zokuhlawula kwi-Deriks kwingingqi ephakathi (eSebenzayo). Kwi-semiconductor, amandla ee-elektroniki emelwa ngothotho lwamanqanaba aqhubekayo eqhubekayo. Ke ngoko, inani lee-elektroni ezisezantsi kwibhendi yokusebenza kwinqanaba lamandla aphezulu kufuneka libe likhulu kunenani lemingxunya ephezulu ye-valing band kwinombolo yesibini yeqela le-quander. Oku kufezekiswa ngokusebenzisa ikhefu elifanelekileyo kwi-themojunction okanye i-heterojunction kunye nokungena nabathwali okuyimfuneko kwi-elektroni ye-elektroni kwibhendi ephantsi ye-valence ekhuthazayo. Xa inani elikhulu lee-elektroni kwi-paricle ephindaphindiweyo iphinda iphinde ibuyele kwimingxunya, ikhutshiwe ekuphuculeni.
I-2. Ukuze ufumane i-radiation ekhuthazwayo, imitha evunyiweyo kufuneka ihlawulwe amaxesha amaninzi kwi-filsomul ye-secerical ifilimu, ipemethe ifakwe ifilimu yendalo, kwaye umhlaba ogudileyo unxibe ifilimu yokubonisa encitshisiweyo. Kwindlela ye-FP ye-FP (i-FOBry-Perot) I-Semiconductor Laser, i-FP cavity ingakhiwa ngokulula ngokusebenzisa inqwelomoya yendalo kwindiza ye-PN.
. Oku kufuneka kube nenaliti eyomeleleyo eyaneleyo, oko kukuthi, kukho inombolo eyaneleyo yokuxhaphaza, ukuphakama kwenani lamabala alixayo, kokukhona, oko kukuthi, imfuneko kufuneka ifezekise imeko ethile yangoku. Xa i-laser ifikelela kumda, ukukhanya kunye ne-wavelength ekhethekileyo kungavunywa kwi-cavity kwaye ikhuliswe, kwaye ekugqibeleni yenza i-laser kunye nemveliso eqhubekayo.
Imfuno yokuSebenza
1. I-Bandwidth yeMODE kunye nenqanaba: I-Semiconductor Lasers kunye neTekhnoloji yazo yokuziphatha ibalulekile kunxibelelwano olungenantambo, kwaye i-bandwidth ye-wiciory kunye ne-bandwidth kunye nenqanaba lemodyuli kunye nenqanaba lokulinganisa lichaphazele umgangatho wonxibelelwano. I-Laser engaphakathi ngaphakathi (ngokuthe ngqo kwi-laser) Ilungele iindawo ezahlukeneyo zonxibelelwano lwefibre offical ngenxa yosulelo lwesantya esiphezulu kunye neendleko eziphantsi.
2. Iimpawu ezibonakalayo kunye neempawu zemodyuli: I-Semiconductor yasasaza i-Lasers yengxelo (I-DFB Laser) Yiba ngumthombo obalulekileyo wokukhanya kwi-fiphal filical fiphal filical kunye nonxibelelwano lwendawo ekubhekiswa kuyo ngenxa yeempawu zabo ezibalaseleyo kunye neempawu zemodyuli.
3. Ixabiso kunye nemveliso yobuninzi: I-Semiconductor Lasers kufuneka ibe nezibonelelo zexabiso eliphantsi kunye nemveliso yobuninzi ukuze ifezekise iimfuno zemveliso enkulu kunye nokusetyenziswa.
4. Ukusetyenziswa kwamandla kunye nokuthembeka
Ixesha lasemva: Sep-19 ukuya kwi-2024