Course detail

Optoelectical sensors

FEKT-NOESAcad. year: 2013/2014

The course pays particular attention to contemporary issues and promising optoelectronic fiber sensors in the field of Technical Cybernetics and Informatics (Control and Instrumentation) and not only in the industrial and scientific practice, but also in other fields (medicine, security equipment, etc.).
Introduction, classification and specification signal. Development, present and future.
Light propagation (Summary bases), radiation transfer environment.
Fiber optics, optical signal conduction in fibers, optical fiber and heir of use. Sources, sensors and amplifiers optical signal. Optoelectronic component. Optical fiber (fiber optic) sensors (OVS. measurement of physical quantities. Choice measurement methods, the general measurement chain.
The basic concept of sensors and gauges.
Measuring systems for the collection and processing of measured data, sensor systems, local area networks.
Current status and future trends.
Applications outside the measuring equipment (optical recording and storage media, consumer, medical and construction industries, military, etc.).

Language of instruction

English

Number of ECTS credits

6

Mode of study

Not applicable.

Guarantor

doc. Ing. Ludvík Bejček, CSc.

Department

Department of Control and Instrumentation (UAMT)

Learning outcomes of the course unit

Students will be able to:
- Get a basic, in good engineering practice to use the knowledge and skills of the fiber sensor and optical fiber sensors
- Discuss basic design concept of the measuring chain
- To determine the optimal method of measurement,
- Define the measured data and
- Describe the process and evaluate the measured results.

Prerequisites

The subject knowledge on the Bachelor´s degree level is requested.
Knowledge is required at the level of bachelor's degree and valid examination for qualifying workers for an independent activity (within the meaning of § 6 of the Decree).
Students will be able to:
- Describe various kinds (types) of photoelectric sensors and fiber,
- Explain the use of modulation in fiber sensors,
- Describe and list the analog and digital optoelectronic and fiber sensors
- Explain interference phenomena and the resulting possibilities
- Discuss and explain various types of interferometers
- Define and calculate the basic building blocks of fiber measurement systems,
- Can measure basic physical quantities using photoelectric and fiber sensors and
- And more.

Co-requisites

Not applicable.

Planned learning activities and teaching methods

Teaching methods depend on the type of course unit as specified in the article 7 of BUT Rules for Studies and Examinations. Teaching methods depend on the teaching methods are described in Article 7 of the Study and Examination Regulations of the University. Laboratory (numerical) is compulsory, properly excused absences laboratory exercises (maximum of two) can be arranged with the teacher substitute (usually in the credit week).
Techning methods include lectures, computer laboratories and practical laboratories. Course is taking advantage of e-learning (Moodle) system. Students have to write a single project/assignment during the course.

Assesment methods and criteria linked to learning outcomes

The test focuses on the verification of knowledge (orientation) information literacy course. He has written a mandatory laboratory (numeric) and nepovinou oral
Evaluation laboratory 0 - 40
Written part of exam 20 - 50
Oral part of exam 0 - 10

Course curriculum

Introduction - basic guide, terms. frekvency (wave)bandwith subdivision, specification of signals. Historical development, actuall situation and future. Typical using examples.
Light transmision. Light guide and using. Geometric and wave optics - basic principles, types of dispersion. Types of light transmision in medium
Introduction - light guide, operational conditions for transmision signal by light guide, parameters, requirements and using. Development, construction and design, attenuation and excitation.
Source of light - basic value and distribution of the sources, characteristics, parameters. LED, LD and SLED - parameter and using. Safety regulations.
Sensors of the optical radiation - basic value, distribution, characteristics and parameters. Photoresistor, photodiod, PIN and avalanche diode. Amplifier of optical signal.
Optoelectronical component - single parts of optoelectronical circuits.
Optical light guide sensors (OVS) - using in automation technic, basic distribudion and parameters.
OVS - phase, amplitude, polarization and with change wave lenght - characteristics, parameters and using.
Measuring of physical value by proper and improper OVS. Basic measurement of mechanical, electric, thermo and chemical values. Parameters and comparison.
Measurement method choice. Common measurement string (system), design. Compensation of parasitic efects.
Basic philosophy of sensors. Data acquisition systems (standard, bus), sensor systems, local sensor networks. Actuall situation and future in sensor development.
Conclusion of actuall situation and future. Application out of measurement (optic record, memory devices, consumer, medical and construct engeneering).
Free topic

Work placements

Not applicable.

Aims

The aim of the course is introduced students with basics of ligth guide sensors of physical quantities which is used in modern industrial automatization. Account this sensors and optical net in automatization technics and other fields - civil engineering, mechanical engineering, medicine, human enviroment, security technics, arts, ...

Specification of controlled education, way of implementation and compensation for absences

The content and forms of instruction in the evaluated course are specified by a regulation issued by the lecturer responsible for the course and updated for every academic year.

Recommended optional programme components

Not applicable.

Prerequisites and corequisites

Not applicable.

Basic literature

SALEH,E.A.-TEICH,M.C.: Fundamentals of Photonics. John Wiley & Sons, Inc. New York/Chichester/Brisbane/Torinto/Singapore. ISBN 0-471-83965-5 (EN)
TURÁN,J.-PETRÍK,S.: Optické vláknové senzory. Alfa Bratislava 1990 (SK)

Recommended reading

YEH,Ch.: Handbook of Fiber Optics. Academic Press, Inc., San Diego, California 1990. (EN)

Classification of course in study plans

  • Programme EECC-MN Master's

    branch MN-KAM , 1 year of study, winter semester, elective specialised

Type of course unit

 

Lecture

39 hod., optionally

Teacher / Lecturer

doc. Ing. Ludvík Bejček, CSc.

Syllabus

Introduction - basic guide, terms. frekvency (wave)bandwith subdivision, specification of signals. Historical development, actuall situation and future. Typical using examples.
Light transmision. Light guide and using. Geometric and wave optics - basic principles, types of dispersion. Types of light transmision in medium
Introduction - light guide, operational conditions for transmision signal by light guide, parameters, requirements and using. Development, construction and design, attenuation and excitation.
Source of light - basic value and distribution of the sources, characteristics, parameters. LED, LD and SLED - parameter and using. Safety regulations.
Sensors of the optical radiation - basic value, distribution, characteristics and parameters. Photoresistor, photodiod, PIN and avalanche diode. Amplifier of optical signal.
Optoelectronical component - single parts of optoelectronical circuits.
Optical light guide sensors (OVS) - using in automation technic, basic distribudion and parameters.
OVS - phase, amplitude, polarization and with change wave lenght - characteristics, parameters and using.
Measuring of physical value by proper and improper OVS. Basic measurement of mechanical, electric, thermo and chemical values. Parameters and comparison.
Measurement method choice. Common measurement string (system), design. Compensation of parasitic efects.
Basic philosophy of sensors. Data acquisition systems (standard, bus), sensor systems, local sensor networks. Actuall situation and future in sensor development.
Conclusion of actuall situation and future. Application out of measurement (optic record, memory devices, consumer, medical and construct engeneering).
Free topic

Laboratory exercise

26 hod., compulsory

Teacher / Lecturer

doc. Ing. Ludvík Bejček, CSc.

Syllabus

Introduction - context, equirements, work safety.
Basic operation with optic fibres:cutting, fibre end dressing, bonding, conector sitting, etc.
Source of light - LED, LD - parameter and using. Energy output measurement, deflection. real media efekt to emission transmision (temperature, dustiness). Measurement of LED characteristics, findings of parasitic efects.
OVS position - types, descriptions, using a) proportional in range 0 to 100 mm b) two-valued in range 0 to 10 m Material efects and efects of surface of reflex area. sensing of cource and minimal area for distance and emision source. Speed, vibration and stress measurement.
Temperature OVS - types (refractometric, dilatancy), descriptions and test in range 0 to 70 oC. Measurent characteristics output signal to teperature for different wavelength of emission source, time constants, linerity and hysteresis of sensors
Presure OVS - Characteristics measurement of output signal to presure (reflex and locking, V-types), conversion linearity, hysteresis and parasitic effects.
Instrumentation. Optic inhibition meters, emission sources, meauring instrument OMS 3, software for measurement of optic energy output, inhibition and ORTD.
characteristic mesurement of material inhibition and permeability to wavelength. Findings of UV light suppression effectivity.
Optoelectical sensors using in mechanical engineering
Design of optic emission sourse
Design of optoelectrical sensors (amplifiers)
Design of measuring string layout, data acquisition
Free topic