MCQOPTIONS
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MCQOPTIONS
This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Optical Communications knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In Fabry-perot laser, the lower threshold is obtained by ___________ |
| A. | Increasing the refractive index |
| B. | Decreasing the refractive index |
| C. | Reducing the slope efficiency |
| D. | Increasing the slope efficiency |
| Answer» D. Increasing the slope efficiency | |
| 2. |
In a three level system, the threshold power decreases inversely with the length of the fiber gain medium. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
It is a resonant cavity formed by two parallel reflecting mirrors separated by a mirror separated by a medium such as air or gas is? |
| A. | Optical cavity |
| B. | Wheatstone s bridge |
| C. | Oscillator |
| D. | Fabry-perot resonator |
| Answer» E. | |
| 4. |
The Nd: YAG laser is costlier than earth-doped glass fiber laser. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
____________________ lasers are presently the major laser source for optical fiber communications. |
| A. | Semiconductor |
| B. | Non-Semiconductor |
| C. | Injection |
| D. | Solid-state |
| Answer» D. Solid-state | |