Sumários

IFU’s. NIRISS, AMI

10 Abril 2026, 09:00 • José Manuel Rebordão

NIRSpec IFU. Optical architecture and main features of the data cube. Similarities with MIRI-MRS-IF. Different implementation of the MOONS IFU.
NIRISS – System overview; grisms, and other dispersion devices, examples. Aperture masking Interferometry mode – introduction.

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NIRISS AMI (conclusion)
Cophasing. Cophasing technologies.

Spectroscopy (class 3 of 3)

1 Abril 2026, 17:00 • Bachar Wehbe

Introduction to the operation of spectrometers and monochromators.

Study of the dispersion of light, the properties of diffracting elements and how they are used in monochromators and spectrographs. Spectral characterization of non-monochromatic light and its analysis in bench top spectrographs.

Building a prism and grating Spectrographs.

Spectroscopy (class 3 of 3)

1 Abril 2026, 15:00 • Alexandre Pereira Cabral

Introduction to the operation of spectrometers and monochromators.

Building a prism and grating Spectrographs.

Coronagraphy (conclusion). NIRSpec architecture. MSA. IFS concept

30 Março 2026, 14:00 • José Manuel Rebordão

Coronagraphy: inner and outer working angles and their main dependences. The Roman coronagraphs approach.
NIRSpec: system basics. FoV. Optical design, different pupil and image planes. Filter and dispersion wheels. Micro-shutter Array (MSA) technology.Fixed slits.
Integral Field Spectroscopy (IFS) approach and IFU architectures

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NIRSpec IFU. MIRI-MSR IFU. NIRISS.

Coronagraphy in NIRCam and MIRIM. MIRIM.

27 Março 2026, 09:00 • José Manuel Rebordão

NIRCam and MIRIM coronagraphy: Lyot architecture. Coronagraphic (occultors and Lyot stops) masks and their “half-tone” implementation. MIRI: coronography, 4QPM masks: Examples.

MIRI - architecture and optics elements, excluding MRS: FoV, observation modes, spectral elements, calibration, low resolution spectroscopic modes, prism. #D model of MIRIM and MSR.

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NIRSpec. IFU.