Question

List any two applications of photo diode and IRLED 

Answer 1

Applications of photo diode:-

• Cameras

• Medical devices

• Safety equipment

• Optical communication device.

Applications of IRLED diode:-

• Light source in optical systems.

• Burglar alarm systems.

• In medical treatment appliances.

• In space optical communication.

Answer 2

Photodiode

1. In the cameras for sensing the light intensity.

2. In CD players.

3. In the fiber optic receiver.

4. As photo (light) detector.

5. In light intensity meters.

6. In the object counting system.

IRLED

1. In the remote control handsets.

2. In optocouplers.

3. In the shaft encoders

4. As a light source in optical fiber system

5. In the burglar alarm system.