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Glasses for optical fibres and other applications

Tuition fee €300 one-time

There is no course fee for the degree students of UEF! Please check the reduced prices below.

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The maximum number of participants is 50.

An example of industrial work career for physicist: what are the interesting parts of it, what are the heaviest types of tasks, and how to get through and learn to solve problems and to improve products and production methods; introduction to solid-state materials and their properties; material compositions and manufacturing methods of glasses for various types of products (windows, high strength materials, vessels, glass cover of ceramic materials, glass cover of electronic components, optical fibers); how the recycled glasses are used and their benefits; coloured glasses; glass in optical fibres; coating materials of optical fibers, manufacturing method for optical fibres; communications optical fibres and fiber components and their optical and mechanical properties; history and problems solved in the communications fibres 1976-2020; characterisation and measurement methods for fibers and fiber components; splicing methods and manufacturing of fiber components; specialty optical fibers, fiber lasers and amplifiers; examples of photonics glasses and materials; two visits to industrial companies: a fibre and glass product factory and a photonics material factory; discussions with and short task reports to the students.

-Participant, normal fee: 500 euros for 2-week-course, 300 euros for 1-week-course.
-Participant from a UEF partner university: 400 euros for 2-week-course, 250 euros for 1-week-course.
-Incoming UEF exchange student: 200 euros for 2-week-course, 200 euros for 1-week-course.
-Participant from company/organization: 1000 euros for 2-week-course, 1000 euros for 1-week-course.

NB! UEF partner universities include our international exchange programme partners (like Erasmus+, bilateral agreements etc.) and international network partners (like YUFE, YERUN, UArctic etc.).

Programme structure

1. Day (5 h), 9.8.2022, at 9-11 and 12-15 o’clock, Lecturer: Tarja Volotinen
1. Lecture: General information, the course contents and Introduction
 Industry in the current, international competition world: what is most important?
 Physicist’s work in industry: what is needed, how can it be done well.
 Introduction to glass materials and this course
 What is glass? Property differences from other types of solid materials?

2. Lecture: History of glass materials from 12 000 B. C. up to our time
 How glass was created and why we need it more and more?
 Environments of use, durability and corrosion, comparison with plastics and metals
 Various types of glasses, their manufacturing methods and properties

3. Lecture: What are the most important physical, chemical, optical and mechanical properties of glasses?
 Glass fibres for strengthening materials
 Optical glasses: a short introduction and main properties
 Glasses for windows, vessels and containers etc.
 Glasses to cover ceramic materials
 Glasses to cover electric components
 Optical fiber glass and manufacturing methods

4. Lecture: Coloured glasses and other optical properties of glasses
 Material composition and properties, main glass and dopants
 Material structure and properties
 Manufacturing process and properties
 How to make an optical glass for a certain application?

5. Lecture: Tasks to work out in small groups and discussions about the glasses
—Questions to answer, to be given to students and answered during this lecture.
Literature sources (To be available in the class room):
i) Fundamentals of Inorganic Glasses, 2nd Ed., A K Varshneya, The Soc. of Glass Techn. 2006.
ii) Coloured Glasses, W A Weyl, The Soc. of Glass Techn. 1951- 1999, 1999.
iii) Glass Nature, Structure, and Properties, H Scholze, Springer-Verlag, New York, 1991.
iv) Optical Materials, An introduction to selection and application, S Musikant, Marcel Dekker, Inc. New York, USA, 1985.
v) a few more suitable sources.

2. Day (5 h), 10.8.2022, at 9-11 and 12-15 o’clock, Lecturer: Tarja Volotinen
6. Lecture: Development of optical fibres, 1976- today
7. Lecture: Development of optical fibres, continues
8. Lecture: Development of reliable optical fibres
9. Lecture: What are the most important physical, chemical, optical and mechanical properties of optical fibre glasses?

3. Day (5 h), 11.8.2022, at 9-11 and 12-15 o’clock, Lecturer: Tarja Volotinen

10. Lecture: Today’s optical communication fibres, various fiber types
11. Lecture: Measurement methods for optical fibres
12. Lecture: Fibre splicing methods, and fibre components
13. Lecture: International standard requirements to achieve.
14. Discussions and tasks to do together: —Find out what kinds of fibre network types exists, and which kind of fibres are used for them? -How to find the fibre properties and standards from the Internet?

Literature sources for the days 2 and 3 (To be available in the class room):
- Optical Fibers for Transmission, J E Midwinter, John Wiley & Sons, USA, 1979.
- Handbook of Optical Fibers and Cables, 2nd Ed., H Murata, Marcel Dekker, Inc., New York USA, 1996.
- Understanding Fiber Optics, 4th Ed., J Hecht, Prentice Hall, USA, 2002.
- An Introduction to Optical Fibers, A H Cherin, Int. Student Edition, McGraw-Hill Book Company, Singapore, 1985.
- Optical Fiber Communications, Vol. 1, Fiber Fabrication, T Li, Academic Press Inc. London, 1985.
- Books, journal papers, conference papers and IWCS course materials, by Tarja Volotinen, 1987- 2021. -And some other books of optical fibers.
4. Day (4 h + travel), 12.8.2022, at 7- ca.17 o’clock, Lecturer: an expert at Oplatek, (2h bus travel)+ 3h+1h (lunch)+2h (bus travel back)): Visit to Oplatek optical fibre and glass factory at Leppävirta
Tarja will travel in the bus together with the students. We can have some active discussions during the travel.
Tasks to learn and find out during the visit?
- Which materials are the fibres made of (core, cladding, coatings)?
- What is the purity of the glass in the fibers?
- How is the attenuation spectrum for the fibres and other glasses made there?
- How is the dispersion, bandwidth, and other optical properties of the fibers?
- How much do the dimensions and the quality of the properties vary in their production?
- What kinds of tasks or networks or equipment are the Oplatek fibers used for?
- The other glass products: what kind of glass is there and what are they used for?

5. Day (5 h), 15.8.2022, at 9-11 and 12-15 o’clock,
- Lecturer: Prof. Laeticia Petit, Tampere University
The 4 lectures in photonic materials and glasses, by Prof. Laeticia Petit from Tampereen Yliopisto:
- Photonic material types, activation of glass materials to get fiber lasers, fiber amplifiers,
luminescent materials, electrochromic materials, etc.
- Properties, structure and manufacturing methods for the photonics materials
- Examples of Prof. L Petit’s research in photonics
- Some time for questions and answers.

6. Day (4 h), 16.8.2022, at 9-11 o’clock, Lecturer: Tarja Volotinen and visit at 13-15 o’clock
Summary of the glass material properties and manufacturing methods.
a. Repeating of the most important and most difficult pieces of the lectures.
b. Questions to the teacher?
c. Questions to the students?
1. – What kinds of tasks would a physicist do in a glass or optical fiber factory? or in a research department?
2. - What are the effects of glasses into the climate worldwide?
d. Reports from the students to the teacher.
Visit to the company- Hypermemo or another company in Joensuu:
- Visit to the production and development areas, Introduction to the facility and its products,
- 1 lecture of the products and development history, given by the company expert
- ca. 0.5 h for questions from the visitors.
- There will be arranged travelling by a bus for the 4,5 km distance from the UEF University (Metria) to the company and back.

Apply now! Summer school 2022/23
Application period has ended
Studies commence
Aug 8, 2022

Application deadlines apply to citizens of: United States

Apply now! Summer school 2022/23
Application period has ended
Studies commence
Aug 8, 2022

Application deadlines apply to citizens of: United States