English for Specific Purposes

28 Electronic Engineering

 

 

Unit 3 Optical Electronics

 

Verb suffixes Infinitive Optoelectronics Optical fiber Optical materials Making a presentation

 

LEAD-IN: What is Optical Electronics

 

1. With your partner try to define in your own words what optical electronics is (the study of…, a field/branch of …, represent…, is/are used…, encompass/cover…, that use…, such as…, which…, etc.). What spheres of optical electronics application besides computing, consumer electronics and communications could you name? Try to point out the spheres where optical electronics is not, but could be used. Give reasons for your ideas.

 

 

PRONUNCIATION

 

2. Write the words according to the transcription. Consult a dictionary if necessary:

 

['emfəsaɪz]	_______________	['maɪkrəweɪv] _______________
[ˌæmplɪfɪ'keɪʃ(ə)n]	_______________	['miːtə]	_______________
['prəusesɪŋ]	_______________	[ə'lɑːm]	_______________
['kwɔntəm]	_______________	['fiːʧə]	_______________
[ɪ'fekt]	_______________	[ɪn'tɜːn(ə)l]	_______________
[praɪ'mer(ə)lɪ]	_______________	['krɪst(ə)laɪn]	_______________
[ˌsʌbə'tɔmɪk]	_______________	['lɪkwɪd]	_______________
['ɑːbɪtr(ə)rɪ]	_______________	['mɔlɪkjuːl]	_______________
[ˌʌltrə'vaɪələt]	_______________	['weɪvgaɪd]	_______________
['eksreɪ]	_______________	['faɪbə]	_______________

 

WORD STUDY

 

3. Translate the following definitions and memorize the terms:

 

photon (n) -	a particle representing a quantum of light or other electromagnetic radiation,
	carrying energy proportional to the radiation frequency but having zero rest mass;
particle (n) -	a minute portion of matter;
wave (n) -	the pattern in which some types of energy, such as sound, light and heat, are
	spread or carried;