Light source for optical wireless communication device
Answer
| Light source | Use | Wavelength |
|---|---|---|
| Light emitting diode (LED) |
Indoor equipment for a relatively short distance (up to about 200 m) Indoor equipment |
820nm～880nm |
| Semiconductor laser diode (LD) |
Relatively long distance (200m or more) Outdoor equipment |
780nm～830nm |
| Surface emitting diode (VCSEL) |
Outdoor equipment for a relatively long distance (200 m or more) Indoor equipment |
850nm |
2022.1.21：【案内動画】何をつくってる？ 機器事業