Sumários

Temporal coherence

27 Fevereiro 2026, 09:00 José Manuel Rebordão

Analysis of the Michelson interferometer for quasi-monochromatic plane waves.
Temporal coherence function and complex degree of coherence.
Visibility and its relation to the complex degree of coherence.
Theorem of Wiener-Khinchin: relation between autocorrelation and power spectral density
Examples: Gaussian, Lorentzian and rectangular spectral lines
Coherence time and coherence length.
Visualization of quasi-monochromatic waves as a sequence of incoherent groups of waves and relation to interferometers.
NEXT CLASS
Applications of temporal coherence concepts


Presentation and Holography (class 1 of 3)

25 Fevereiro 2026, 17:00 Bachar Wehbe

Presentation of the Lab classes and definition of the Groups.
Introduction to practical Holography, building objects. 


Presentation and Holography (class 1 of 3)

25 Fevereiro 2026, 15:00 Alexandre Pereira Cabral

Presentation of the Lab classes and definition of the Groups.
Introduction to practical Holography, building objects.


Introduction to concepts of statistical optics

23 Fevereiro 2026, 14:00 José Manuel Rebordão

Lab classes – organization issues (by Alexandre Cabral)


1st and 2nd order statistical description of processes
Brief overview of stochastic processes: stationary, ergodic, …
Using the analytical signal to represent optical waves; impact on spectrum.
Correlation and autocorrelation.
Wiener-Khinchin theorem
Models of quasi-monochromatic and laser light and propagation equations
NEXT
Michelson interferometer. Temporal Coherence


Overview of the course

20 Fevereiro 2026, 09:00 José Manuel Rebordão

Overview of the course.
Laboratory, assessment and bibliography.
Systems in Engineering Physics at FCUL: core, technology, systems, environments, markets/industry layers.
JWST and LIGO: key features from typical well-known images.
A classification of optical sources
Optical system description in terms of architectural options
TRL and other readiness level scales
NEXT CLASS
Introduction to concepts of statistical optics