Q. A semiconductor laser crystal of length 5 cm, refractive index 1.8 is used as an optical source. Determine the frequency separation of the modes. (Solved)
1. 2.8 ghz
2. 1.2 ghz
3. 1.6 ghz
4. 2 ghz
- c. 1.6 ghz
1. 2.8 ghz
2. 1.2 ghz
3. 1.6 ghz
4. 2 ghz