Semiconductor Laser chav nyob
Semiconductor Laser (Semiconductor Laser) nyob rau xyoo 1962, kev tshoov siab los ntawm kev ua tiav hauv xyoo 1970, ua tiav cov khoom tso zis txuas mus ntxiv ntawm chav tsev kub. Tom qab ntawd tuaj, ob hetero-hlws ris qauv tsim laser thiab cov fringe-hom laser diode (Laser Diode), thiab hais txog, yog lug siv nyob rau hauv kho qhov muag fiber kev sib txuas lus, kho qhov muag, laser printers, laser scanner, laser designator (laser pointer), yog tam sim no qhov loj tshaj plaws zus tau tej cov lasers.
Qhov zoo ntawm laser diodes yog: high efficiency, me me volume, lub teeb yuag thiab tsis muaj nqi. Tshwj xeeb ntau ntau qhov dej hauv plua av kuj tseem muaj tsawg zog-20 ~ 40%, PN ntawm% ~ 25%, ntau dua kev siv hluav taws xob ntau yog cov yam ntxwv loj tshaj. Nyob rau hauv tas li ntawd, nws npog tas mus li tso zis wavelength ntawm infrared rau pom lub teeb, thiab pulses mus 50W zis (mem tes dav ntawm 100ns) qib cov khoom uas muaj tau commercialized, raws li ib tug laser radar los yog laser excitation teeb yuav tsum hais tias yuav tsum heev yooj yim mus siv piv txwv Cov.