Lidar
part · 1961 · Digital age
A rangefinder that measures distances with laser pulses.
Inventor: Hughes Aircraft Company.
What it is made of
- Laser diode — has part. Laser pulses.
- Photodiode — has part. A receiver of reflected light.
Principles and materials it uses
- Gallium arsenide — is made of. The laser diodes are gallium arsenide.
- Silicon — is made of. The receivers are silicon.
Where it is used
- Self-driving car — is part of. Lidar builds a 3D map of the surroundings.
- Robot vacuum — is part of. Navigation by lidar.