O le a le laser diode?

Diode laser o se masini fa'aeletoroni e fa'aogaina se PN fa'atasi ma mea fa'ameamea semiconductor binary po'o ternary. Pe a faʻaaogaina se voltage i fafo, o le eletise e suia mai le faʻaulu faʻaulu i le valence band ma faʻasaʻo le malosi, ma maua ai photons. Pe a fa'aalia pea e nei photons i le PN junction, o le a latou pa'u mai se laisa malosi. Semiconductor lasers o loʻo i ai uiga o le miniaturization ma le maualuga o le faʻatuatuaina, ma e mafai ona fetuʻunaʻi a latou laser e ala i le suia o le meafaitino, PN junction size, ma le pulea o le voltage.

Diode lasers e fa'aaogaina lautele i fanua e pei o le fiber optic communication, optical discs, laser printers, laser scanners, laser indicators (laser peni), ma isi. E le gata i lea, o le semiconductor lasers e tele faʻaoga i le laser ranging, LiDAR, fesoʻotaʻiga leisa, auupega faʻataʻitaʻi leisa, lapataiga leisa, taʻiala laser ma le siakiina, faʻamalama ma le paʻu, faʻatautaia otometi, mea faʻapipiʻi, ma isi, faʻavaeina se maketi lautele.