I-GaAs enamandla aphezulu epitaxial wafer substrate gallium arsenide wafer power laser wavelength 905nm yonyango lwe-laser

Inkcazo emfutshane:

Iphepha le-epitaxial le-laser ye-GaAs libhekisa kwifilimu enye ebhityileyo eyenziwe yiteknoloji yokukhula kwe-epitaxial kwi-substrate ye-gallium arsenide (GaAs), esetyenziselwa ukuvelisa izixhobo ze-optoelectronic ezifana ne-laser.
Ii-laser zamandla zeGaAs 905 kunye neetships ze-epitaxy ezinamandla aphezulu zeGaAs zii-laser ezisekelwe kwizixhobo ze-gallium arsenide (GaAs) kwaye zisetyenziswa kakhulu kwiindawo ezininzi. I-wafer ye-epitaxial yeMOCVD isetyenziswa kakhulu kwi-laser diode enamandla aphezulu. I-InGaAs quantum well isetyenziswa njengomaleko osebenzayo. I-epitaxial wafer ihlalutywa yi-PL, XRD, ECV kunye nezinye iindlela zovavanyo. Ii-laser zamandla zeGaAs 905 kunye neetships ze-epitaxy ezinamandla aphezulu zeGaAs zisetyenziswa kakhulu kwezonyango, kwimizi-mveliso, kuphando lwesayensi nakwamanye amacandelo ngenxa yokusebenza kwazo okuphezulu, imveliso yamandla aphezulu kunye nokusebenza kakuhle kobushushu, kwaye zinexabiso elibalulekileyo lemarike kunye nobuchule bobuchwephesha.

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Iimpawu eziphambili zephepha le-epitaxial le-laser ye-GaAs ziquka:

1. Ukunyakaza okuphezulu kwee-electron: I-Gallium arsenide inokuhamba okuphezulu kwee-electron, nto leyo eyenza ii-wafers ze-laser epitaxial ze-GaAs zibe nokusetyenziswa kakuhle kwizixhobo ezisebenzisa amaza amaninzi kunye nezixhobo ze-elektroniki ezisebenzisa isantya esiphezulu.
2. Ukukhanya kokutshintsha kwe-bandgap ngokuthe ngqo: Njengesixhobo se-bandgap esithe ngqo, i-gallium arsenide inokuguqula amandla ombane abe ngamandla okukhanya kwizixhobo ze-optoelectronic ngokufanelekileyo, nto leyo eyenza ukuba ibe yeyona ifanelekileyo ekwenzeni ii-laser.
3.Ubude beWavelength: Iilaser zeGaAs 905 zihlala zisebenza kwi-905 nm, nto leyo ezenza zilungele ukusetyenziswa kwiindawo ezininzi, kuquka ne-biomedicine.
4. Ukusebenza kakuhle: ngokuguqulwa okuphezulu kwe-photoelectric, inokuguqula amandla ombane abe yimveliso ye-laser ngempumelelo.
5. Umbane ophuma ngamandla aphezulu: Ingafikelela kumbane ophuma ngamandla aphezulu kwaye ifanelekile kwiimeko zesicelo ezifuna umthombo wokukhanya onamandla.
6. Ukusebenza kakuhle kobushushu: Izinto zeGaAs zinomoya ofanelekileyo wobushushu, zinceda ekunciphiseni ubushushu bokusebenza kwelaser kwaye ziphucule uzinzo.
7. Ukulungiswa okubanzi: Amandla okukhupha angalungiswa ngokutshintsha i-drive current ukuze ivumelane neemfuno ezahlukeneyo zesicelo.

Izicelo eziphambili zeepilisi ze-epitaxial ze-laser zeGaAs ziquka:

1. Unxibelelwano lwefayibha yokubona: Iphepha le-epitaxial le-laser ye-GaAs lingasetyenziselwa ukuvelisa ii-laser kunxibelelwano lwefayibha yokubona ukuze kufezekiswe ukuhanjiswa kwesignali yokubona ngesantya esiphezulu nangomgama omde.

2. Izicelo zoshishino: Kwicandelo lezoshishino, amaphepha e-epitaxial e-laser ye-GaAs angasetyenziselwa ukulinganisa i-laser, ukumakisha i-laser kunye nezinye izicelo.

3. I-VCSEL: I-laser ekhupha umphezulu ongaphakathi kwi-vertical cavity surface (VCSEL) yindawo ebalulekileyo yokusetyenziswa kwephepha le-epitaxial le-laser ye-GaAs, esetyenziswa kakhulu kunxibelelwano lwe-optical, ugcino lwe-optical kunye nokubona i-optical.

4. Intsimi ye-infrared kunye nebala: Iphepha le-epitaxial le-laser ye-GaAs lingasetyenziselwa ukuvelisa ii-infrared lasers, ii-spot generators kunye nezinye izixhobo, lidlala indima ebalulekileyo ekufumaneni i-infrared, ukubonisa ukukhanya kunye nezinye iindawo.

Ukulungiswa kwephepha le-epitaxial le-laser ye-GaAs kuxhomekeke kakhulu kwitekhnoloji yokukhula kwe-epitaxial, kubandakanya i-metal-organic chemical vapor deposition (MOCVD), i-molecular beam epitaxial (MBE) kunye nezinye iindlela. Ezi ndlela zinokulawula ngokuchanekileyo ubukhulu, ukwakheka kunye nesakhiwo sekristale somaleko we-epitaxial ukuze kufunyanwe amaphepha e-epitaxial e-laser ye-GaAs asemgangathweni ophezulu.

I-XKH inikezela ngokwenziwa ngokwezifiso kwamaphepha e-epitaxial eGaAs kwizakhiwo ezahlukeneyo kunye nobukhulu, egubungela uluhlu olubanzi lwezicelo kunxibelelwano lwe-optical, i-VCSEL, i-infrared kunye neendawo zokukhanya. Iimveliso ze-XKH zenziwe ngezixhobo ze-MOCVD eziphambili ukuqinisekisa ukusebenza okuphezulu kunye nokuthembeka. Ngokuphathelele uthungelwano, i-XKH ineendlela ezahlukeneyo zemithombo yamazwe ngamazwe, ezinokusingatha inani lee-odolo ngokuguquguquka, kwaye zibonelele ngeenkonzo ezongeziweyo ezifana nokuphucula kunye nokwahlulahlula. Iinkqubo zokuhambisa ezisebenzayo ziqinisekisa ukuhanjiswa ngexesha kwaye zihlangabezana neemfuno zabathengi zomgangatho kunye namaxesha okuhanjiswa. Abathengi banokufumana inkxaso yobugcisa epheleleyo kunye nenkonzo yasemva kokuthengisa emva kokufika ukuqinisekisa ukuba imveliso isetyenziswa kakuhle.