Ask
Login
0
1.2kviews
What is the difference between LED and LASER diode.
written 7.9 years ago by gravatar for neeta.vanage neeta.vanage • 880 modified 3.9 years ago by gravatar for pedsangini276 pedsangini276 • 4.8k

Subject :- Applied Physics 2.

Topic :- Laser.

Difficulty :- Medium.
engineering physics
ADD COMMENT EDIT
1 Answer
0
1views
written 7.8 years ago by gravatar for neeta.vanage neeta.vanage • 880
LED LASER Diode
Low forward bias is required High forward bias is required
Light emission process is spontaneous Light emission process is stimulated
Population inversion is not required Population inversion is essential
Resonant cavity is not required Resonant cavity is essential. Opposite sides of pn junction are made parallel and …

Create a free account to keep reading this post.

and 5 others joined a min ago.

ADD COMMENT EDIT
Please log in to add an answer.