Question

List any four applications of laser diode.

Answer 1

Applications of LASER diode:

• Fiber optics communication.

• Barcode readers.

• CD players, CD-ROMs and DVD

• Image scanning

• Optical data recording,

• Laser surgery 

Answer 2

1. As light source in fiber optic communication.

1. In the infrared spectrometers.
   

1. In the medical field.
   

1. In military applications.
   

1. To measure distance, alignment angle etc.
   

1. For flow measurement.
   

1. As a sharp cutting tool in machine tool application.
   

1. In the communication.
   

1. For welding.
   

1. For sound recording and reproduction (in CD players)
   

1. In holography.