Electronic Engineering 33

VOCABULARY IN USE

10. Complete the summary of the text with the following words:

Light fiber materials confine familiar microwaves source covers

mechanicalapplication

Optoelectronics is the study and 1) _________ of electronic devices that 2_________, detect and control light. It is based on the quantum 3) _________ effects of light on semiconducting 4) _________. Optical electronics 5) _________ all technical applications of 6)

_________ over the whole spectrum from ultraviolet over the visible to the near-, mid- and far-infrared. Like 7) _________, optical electronics uses waveguides to reflect, 8) _________, and direct light. The most

9) _________ form of optical waveguide is the optic 10)

_________.

Now go back to ex. 3 – 5 and mark the studied words and word combinations in Text A. Reproduce the contexts found (1). Then reuse these words and word combinations in the contexts of your own (2).

Example: Spectrum – 1) Optical electronics coversall technical applications of light over the whole spectrum from ultraviolet over the visible to the near-, mid- and far-infrared. – 2) The visible light spectrum is the range of electromagnetic radiation that we are most familiar with.