Question

Considering the optical constants of laser materials given below (at lamda=600 nm) which material would have to be optically pumped?

1. n=0.24, k=3.24

2. n=3.91, k= 0.228

3. n=1.45, k= 2e-6 (2*10^-6)

Please provide explanation.

Application problem based on Principles of Electronic materials- R.E Hummel

Answer 1

is defined a 丈 _ynk 1) , K = o,22-z? nニ3.gl 3 2 2 1t uill be 1' has to b b e f7