Photonics

Code

10940

Academic unit

Faculdade de Ciências e Tecnologia

Department

Departamento de Física

Credits

3.0

Teacher in charge

Paulo António Martins Ferreira Ribeiro

Weekly hours

3

Total hours

45

Teaching language

Português

Objectives

The fundamental principles of optics are envisaged namely those relevant for applications in  photonics, particularly those related with the detection of light, telecommunications, signal processing, optical and optical devices. In lab classes one aims to verify experimentally relevant principles in Photonics, and measure the optical constants of materials, with student involvement in planning of experimental activities and handling of optical instrumentation

Prerequisites

There are no particular previous courses required  to enrollment in this course. However, the course requires the following knowledge:

•  Classical Mechanics
• Electromagnetism
• Mathematics:
  • Trigonometry
  • Diferenciation and Integration
  • Diferencial Equations
  • Complex Algebra

Subject matter

Photonics

1. Introduction: Photonics, Optoelectronics, biophotonics, nanophotonics and. Applications and state of the art research in the field of Photonics.

2. Production and detection of light: Introduction, light sources, detectors, thermal detectors quantum detection imaging, spectral response, and noise sensitivity and response time.

3. Optics of Crystals: Introduction; propagation in anisotropic uniaxial and biaxial crystals, quartz, lithium niobate, calcite, KDP and KTP, organic crystals, birefringence, the surface normal; classification methods; ellipsoid of indices; optical activity.

4. Optical Fibers: Introduction, modes, attenuation, distortion; applications.

5. Reflectometry, Ellipsometry and Polarimetry: Introduction, reflection of light at an interface and multiple interfaces; Reflectometry, polarimetry and ellipsometry; instruments; applications.

6. Optical Interferometry: Introduction, the Michelson interferometer, Fizeau, Mach-Zehnder, Fabry-Perot, Sagnac, Twyman-Green, Lloyd mirror, mirror double Fresnel interference of two and multiple sources; interference, interference filters, interference multiple reflection; applications.

7. Holography: Introduction; hologram of a point source; hologram of an object; applications

8. Modulation switching and amplification of light: Introduction eletróptico linear and quadratic effect; eletróptico modulator, phase modulation and amplitude fotorefrativo effect, Faraday effect, acousto-optic effect; phase conjugation; measuring properties eletrópticas; applications.

9. Optical components and Instrumentation: Introduction; mirror lenses and prisms, polarizers, retarder plates, spatial filters, expanders, beam splitters, optical beam shift, stops, optical filters, diffraction gratings, optical assemblies and benches, spectrometers, optical metrology.

Bibliography

Teaching method

Teaching Methods

The Course of Photonics includes classroom presentation and exhibition of matter and of experimental activities classes in optics laboratory. A teaching methodology centered on the ongoing activity of the student is adopted, which includes the completion of online lessons and experimental activities and participation in the presentation of the program topics and problem solving. The classroom presentations are supported by video projection and demonstrations and simulations technological and applications are always emphasized. The teaching-learning process relies on E-Learning platform that posts all the course information, the learning units, lessons, set of experimental activities proposals within the learning units, quizzes, videos, information about relevant conferences in Photonics, catalogs of photonics components and devices manufacturers and scientific articles.

Evaluation method

 Assessment Elements 

•Final test (T)

Grades 

• N Online Activities: AO_i
• N Experimental Activities: AE=1/N∑AE_i
• Final Test: T
• Final Exam: E
• Final Mark:

CF=0,1xAO+0,4xAE+0,5x(T or E) 

Scales and Rounding 

 All ratings are given on a scale of 0 to 20 and those of the components are rounded to one decimal place and the final to units.

Courses

• Physics Engineering