Course detail

Optoelectical sensors

FEKT-MOESAcad. year: 2011/2012

Introduction, specification of signals. Development, simultaneity and future.
Light transmision. Light guide and using. Sources, sensors and amplifiers of light signals. Optoelectrical components. Optical sensors. Measurement of physical value. Methods of measure.
The basic concept of OVS and meters, cutting, principles, structure and application examples.Measure systems for data acquisition and postprocessing, sensors systems and local net.
Aplication out of measure technic.

Language of instruction

Czech

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

Graduate will gain basic knowledges and skills about light guide, optical industrial net, basic design and postprocessing.

Prerequisites

The subject knowledge on the Bachelor´s degree level is requested.

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.

Assesment methods and criteria linked to learning outcomes

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

Leonardo pilot project M1 - M12 "Modular Courses on Modern sensors" Leonardo pilot project 3 – Flow Sensors "Modular Courses on Modern sensors"
SALEH,E.A.-TEICH,M.C.: Základy fotoniky 1 až 4. Matfyzpress Praha, 1990 - 1996. (CS)
TURÁN,J.-PETRÍK,S.: Optické vláknové senzory. Alfa Bratislava 1990 (CS)

Recommended reading

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

Classification of course in study plans

  • Programme EEKR-M Master's

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

  • Programme EEKR-CZV lifelong learning

    branch EE-FLE , 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

Ing. Soňa Šedivá, Ph.D.

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