English for Specific Purposes

34 Electronic Engineering

 

DETAILED COMPREHENSION

 

11. Read the text again and answer the questions:

 

1. How are optical electronics and photonics related?

 

2. What is optoelectronics based on in the field of quantum mechanics?

 

3. What provides a unified view of how electrons, photons and other atomic-scale objects behave within the framework of quantum mechanics?

 

4. Which light spectrum range is covered by optoelectronic technical applications?

 

5. Which are the three main optoelectronics uses?

 

6. How do solar cells convert light from the sun to electric energy?

 

7. What are light properties?

 

8. What are LEDs’ functions?

 

9. How does an LCD work?

 

10. What is the most well-known form of optical waveguide?

 

12. Reconsider the ideas of the text and complete the mind-map that can serve you as an aid for giving a talk on optoelectronics.

 

QUANTUM MECHANICS

 

_________________________

 

_________________________

 

_________________________

 

_________________________

 

_________________________

 

 

_______________

 

generation, emission, transmis-

 

sion, modulation, signal process-

 

sing, switching, amplification,

detection and sensing of light…

 

 

 

OPTOELECTRONICS

light, _____________

WAVEGUIDES

 

Key uses of optoelectronics:

 

_____________________

 

_____________

 

_____________________

 

_____________________

 

	LIGHT METERS		________________

 

_________________ PHOTODETECTORS

 

 

_________________

 

13. Now that you have done exercise 12, speak about the field of optoelectronics in detail.