Current block type semiconductor laser
申请公布号:US5446753(A)
申请号:US19940252563
申请日期:1994.06.01
申请公布日期:1995.08.29
发明人:YOSHIDA, ICHIRO
分类号:H01S5/00;H01S5/22;H01S5/223;H01S5/32;H01S5/343;(IPC1-7):H01S3/19
主分类号:H01S5/00
摘要:An object of the present invention is to provide a semiconductor laser with a current block layer formed on an upper clad layer and composed of GaAs so as to securely close the rays of light in horizontal direction. The present invention is a current block type semiconductor laser having a substrate composed of GaAs where the band gap of an activation layer is smaller than that of GaAs, comprising an AlGaInP (the content of Ga may be zero) formed on the GaAs substrate and opposed main cladding layers except for a stripe-shaped current passageway region and a GaAs auxiliary cladding layer formed on the main cladding layer in the stripe-shaped current passageway region surrounded by the current block layer.
PNEUMATICO A CARCASSA RADIALE ASIMMETRICA
PROCESS FOR THE PREPARATION OF NOVEL ANTHELMINTIC AGENTS
PROCESS FOR PREPARING QUINOXALINE DERIVATIVES AS IMMUNE REGULANTS
PULVERBLANDNING FOR ANVENDNING SIN VATTENBLOCKERANDE FYLLNADSMEDEL, SERSKILT TILL ELEKTRISK KABEL
SVARSANORDNING FOR OVERFORING MED MIKROVAGOR
SETT OCH ANORDNING FOR TVINNING AV GARN
COCLEA TRANCIANTE E TRASPORTATRICE, SPECIALMENTE DI MATERIALI FILIFORMI.
EQUALIZZATORE AUTOMATICO PER LA TRASMISSIONE NUMERICA SINCRONA
MACCHINA POSATUBI PER OLEODOTTI GASDOTTI E GRANDI CONDOTTE IN GENERE
SFRUTTAMENTO DI GAS DI SCARICO E BOILER SUPPLEMENTARE
CINGHIA AD ANELLO PARTICOLARMENTE ADATTA PER FORMARE PIANI DI APPOGGIO PER POLTRONE E SIMILI.