MCQOPTIONS
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MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Manufacturing Processes knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
An increment of the current density can lead to blue shifts in the PL peak of mpSi. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
PL properties of mpSi and pSi structures depend on _____ |
| A. | temperature |
| B. | etching conditions |
| C. | light intensity |
| D. | refractive index |
| Answer» C. light intensity | |
| 3. |
The discovery of bright red-orange photoluminescence was the origin for the use of mpSi materials for optoelectronic devices. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
Which of the following is one of the important optical property of mpSi and pSi structure? |
| A. | Photo-conductivity |
| B. | Stimulated emission |
| C. | Photo-luminescence |
| D. | Photo-emissivity |
| Answer» D. Photo-emissivity | |
| 5. |
The effective refractive index of mpSi and pSi are modulated to produce rugate filters. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
Microcavities based on mpSi and pSi can be used to develop optical pass-band filters. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
DBR structures based on_____ can be implemented into Fabry P rot filters. |
| A. | mpSi |
| B. | pSi |
| C. | SiO<sub>2</sub> |
| D. | graphite |
| Answer» B. pSi | |
| 8. |
The structure of the mpSi- or pSi-based DBR affects their refractive indices. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 9. |
mpSi and pSi structures are used to develop distributed Bragg reflectors. |
| A. | True |
| B. | False |
| Answer» B. False | |