Isishwankathelo semfuno yeI-laser ye-DFB
(1) Ingcamango engundoqo ye-DFB laser
I-laser eqhubekayo ye-DFB, eyaziwa ngokuba yi-continuous wave distribution feedbacki-laser ye-semiconductor, idibanisa isakhiwo se-periodic grating kummandla we-active waveguide ye-laser. Ngokuxhomekeke kwisiphumo se-distributed feedback se-grating, i-frequency selective resonance iyafezekiswa, kwaye i-laser ikhutshwa kwimo eqhubekayo nengaphazanyiswayo kuyo yonke inkqubo, ngaphandle kokuphazamiseka kwe-pulse okanye ukuguquguquka kwamandla.
Xa kuthelekiswa nee-laser ze-FP eziqhelekileyo kunye nee-laser ze-DFB ezivuthululweyo, iingenelo zayo eziphambili zibalasele kakhulu: okokuqala, izinzile kakhulu kumaza okukhanya, inokufikelela kwimveliso echanekileyo yobubanzi bomgca, kwaye inokumelana okuhle kakhulu nokuphazamiseka kobushushu bendalo kunye nokungcangcazela; Okwesibini, amandla okukhupha ayaqhubeka kwaye azinzile, anomgangatho ophezulu kunye nesandi esiphantsi kakhulu; Okwesithathu, inokuhambelana okuhle, i-bandwidth enkulu yokuguquguquka, kwaye ifanelekile kwiindawo ezahlukeneyo ze-optoelectronic ezinemigama emide, ukuchaneka okuphezulu, kunye nozinzo oluphezulu. Ngokusekelwe kumahluko weempawu, ii-laser ze-DFB ezivuthululweyo zihlala zisetyenziselwa ukunxibelelana kwe-rangi kunye ne-pulse, ngelixa ii-laser eziqhubekayo ze-DFB zigxila kwiimeko zesicelo se-steady-state esiphezulu, ezinemiqobo ephezulu yobugcisa kunye nexabiso elongeziweyo lemveliso.
(2) Imvelaphi yemfuno yoshishino
1. Ukwenziwa kwesantya esiphezulu konxibelelwano lwe-optical kuye kwabangela iimfuno ezingxamisekileyo
Inethiwekhi yamandla ekhompyutha yehlabathi, izitishi zesiseko ze-5G/6G, amaziko edatha, kunye neenethiwekhi zomqolo ziyaphucuka ziye kwizinga eliphezulu kakhulu le-200G/400G/800G. Iilaser zemveli azinakwanelisa iimfuno zothumelo olude kunye nezinga eliphantsi leempazamo. Iilaser eziqhubekayo ze-DFB, njengomthombo wokukhanya ophambili weemodyuli ze-optical ezikhawulezayo, zizinto ezisisiseko zokusebenza okuzinzileyo kweenkqubo zonxibelelwano lwe-optical ezikhawulezayo.
2. Kufuneka ngokukhawuleza ukutshintshwa kwezinzwa ezikumgangatho ophezulu eTshayina
Iindawo zokubona i-fiber optic, ukufunyanwa kwegesi, i-LiDAR, ukuhlolwa kwepetroliyam, ukufunyanwa kokuchaneka kwe-aerospace, njl. zinemfuneko engqongqo yokuchaneka kwe-wavelength, uzinzo, kunye nobomi benkonzo ye-umthombo wokukhanya nge-laserKangangexesha elide, ii-laser ze-DFB eziqhubekayo eziphezulu bezixhomekeke ekungenisweni kwezinto kwamanye amazwe, kwaye imfuno yasekhaya yokulawulwa ngokuzimeleyo iyaqhubeka nokwanda, nto leyo enyanzelisa impumelelo kwezobuchwepheshe kuluhlu lweshishini.
3. Ukwandisa ngokuqhubekayo iimeko zezicelo ezivelayo
Iinkalo ezintsha ezifana neyeza le-laser, uhlalutyo lwe-spectral oluchanekileyo, ukufunyanwa kobushushu obungaguqukiyo kwimizi-mveliso, kunye nonxibelelwano lwe-quantum zikhula ngokukhawuleza. Imeko eqinileyo, ingxolo ephantsi, kunye nemithombo yokukhanya ye-laser eqhubekayo enobubanzi obuncinci iye yaba yinto eqhelekileyo kwindawo, ivula rhoqo indawo ekhulayo kwishishini.
Ixesha leposi: Julayi-06-2026