Sumários

JWST cophasing elements

8 Abril 2024, 14:00 José Manuel Rebordão


Hardware elements for cophasing. Managing object and pupil imaging

Phase retrieval techniques: IFTA/GW and phase diversity – an overview

 

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Cophasing

JWST: NIRSPec detectors, NIRISS

5 Abril 2024, 09:00 José Manuel Rebordão


NIRSpec detectors – overview and explanation of key specification and technological concepts (by Prof. Manuel Abreu)

NIRISS – system overview; grisms, aperture masking Interferometry mode. PSF’s. Examples.

 

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Wavefront sensing and control

Spectroscopy (class 2 in 2)

27 Março 2024, 15:00 Alexandre Pereira Cabral


Analysis and operation of spectrometers and monochromators to have an introductory approach to spectral decomposition of polychromatic light.

Study of the dispersion of light, the properties of diffracting elements and how they are used in monochromators and spectrographs, and the concepts of spectral resolution and resolving power.


Characterization of non-monochromatic light.

JWST: NIRSPec detectors, NIRISS

25 Março 2024, 14:00 José Manuel Rebordão


NIRSpec detectors – overview and explanation of key specification and technological concepts (by Prof. Manuel Abreu)

NIRISS – system overview; grisms, aperture masking Interferometry mode. PSF’s. Examples.

 

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Wavefront sensing and control

JWST: NIRSPec, NIRISS

22 Março 2024, 09:00 José Manuel Rebordão


NIRSpec Integral Field Units - architecture, optical path

 

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NIRSpec detectors, NIRISS