English for Specific Purposes

 

 

Figure 1

 

Figure 2

 

Comments:

 

¹ затухание, ослабление уровня или искажение формы передаваемого сигнала по мере его удаления от передатчика (перемещения по кабелю);

 

²step-index optical fiber –оптическое волокно соступенчатым показателем преломления;

 

³ показатель преломления, коэффициент преломления;

 

⁴ показатель преломления оболочки (оптического волокна);

 

⁵ градиентный показатель преломления; изменяющийся (в поперечном сечении) показатель преломления.

 

15. Make a plan and summarize the ideas of text B. Making the plan, keep to the following scheme:

 

1) name the text topic with one word;

 

2) describe the topic by 1 or 2 synonyms related to the topic word;

3) describe the topic essence by 2 or 3 adjectives;

4) name typical “topical” actions by 3 or 4 verbs;

 

5) make a phrase of 4 or 5 words expressing your personal attitude to the topic.

 

1. _________________________________

2. _________________________________

3. _________________________________

4. _________________________________

5. _________________________________

Electronic Engineering 37

 

WRITING: Problems and Promises of Optoelectronics

 

16. As any modern technology, optoelectronics features its problems and promises. Analyze the existing ones and imagine possible challenges to be faced by electronic engineers. Write an essay using the Get real links, as well as your own experience. Use the following words and word combinations: accelerating, advances, issues to be resolved, to highlight, to meet the needs, critical issues, require, progress/degrade, absorb, detect, irradiate, light, appliance, source (n,v) etc.

 

Get Real

 

http://www.rayprasad.com/home/rp1/page_8 4/smt_optoelectronics_or_optronics__promise s_and_pro.html

 

http://www.phy.iitkgp.ernet.in/ptaccd2/Speak ers_manuscript/ADhar.pdf

 

http://www.nap.edu/openbook.php?record_id =9532&page=8

 

http://www.cheshirehenbury.com/embedd ed/optics.html

 

 

SPEAKING: Optical Electronics Discussion

 

17. Prepare a presentation and take part in a round-table talk on the subject of optical electronics

 

application. In the course of your conversation the following discussion points are to be touched upon: · optoelectronic devices;

 

· LED technology;

 

· technical applications of optical electronics; · optical fiber features;

· optical metamaterials development.

 

Use the Supplementary Reading section text “Tunable, Stretchable Optical Materials” and the links from “Get Real” as well as any relevant information found.

 

The following discourse markers may help you:

 

How to address	Good morning, ladies and gentlemen!... Dear friends!...
		Dear classmates/groupmates/colleagues!
How	to start	The topic of my (our) presentation today is …
giving	ideas on	I would like to talk about …/I am going to talk about …
the	topic	Thank you for giving me the opportunity to tell you about …
concerned	If you have any questions during my presentation, please stop me (don’t hesitate to
		ask me)… I shall start my presentation by asking you questions…