Distance Measuring

Optical distance sensors measure distance by emitting a light beam (such as infrared, laser, or visible light) and receiving the reflected signal, calculating the time difference (ToF) or phase difference. Core components include:

Transmitter: A laser diode or LED generates a stable light source.

Receiver: A photodiode or CMOS array captures the reflected signal.

Signal Processor: Calculates the time difference or phase shift and outputs distance data.

 

1. What are the Typical Applications of Distance-measuring Optical Sensors?

Industrial Automation: Robot obstacle avoidance, object positioning in assembly lines.

Consumer Electronics: Smartphone focus, AR device spatial perception.

Automotive: Autonomous driving LiDAR systems, automated parking assistance.

Smart Home: Gesture control, security system human detection.

 

2. What are the Technical Advantages of Distance-measuring Optical Sensors?

High Precision: Millimeter-level error (e.g., laser ToF sensors).

Interference Resistance: Unaffected by electromagnetic environments.

Fast Response: Microsecond-level measurement speed.

 

3. Market Trends of Distance-measuring Optical Sensors

Future Development Directions:

Multi-Sensor Fusion (Combining IMUs and cameras)；

Low-Power Design (Suitable for IoT devices);

Miniaturization (MEMS process integration).