The Astronomical Instrumentation Group at Cardiff University has been developing metal mesh optical filters for more than 30 years, which are currently in use in many ground-, balloon- and space-based instruments. Here we review the current state of the art with respect to these quasi-optical components (low-pass, high-pass and band-pass filters, dichroics and beam-dividers) as developed for the FIR and sub-millimetre wavelength region. We compare performance data with various modelling tools (HFSS, transmission line theory or Floquet mode analysis). These models assist with our understanding of the behaviour of these filters when used at non-normal incidence or in the diffraction region of the grid structures. Interesting artefacts, such as the Wood anomalies and behaviour with S and P polarisations, which dictate the usage of these components in polarisation sensitive instruments, will be discussed.

A review of metal mesh filters / Ade, P. A. R.; Pisano, G.; Tucker, C.; Weaver, S.. - 6275:(2006). (Intervento presentato al convegno Millimeter and Submillimeter Detectors and Instrumentation for Astronomy III tenutosi a Orlando, FL, usa) [10.1117/12.673162].

A review of metal mesh filters

Pisano G.;
2006

Abstract

The Astronomical Instrumentation Group at Cardiff University has been developing metal mesh optical filters for more than 30 years, which are currently in use in many ground-, balloon- and space-based instruments. Here we review the current state of the art with respect to these quasi-optical components (low-pass, high-pass and band-pass filters, dichroics and beam-dividers) as developed for the FIR and sub-millimetre wavelength region. We compare performance data with various modelling tools (HFSS, transmission line theory or Floquet mode analysis). These models assist with our understanding of the behaviour of these filters when used at non-normal incidence or in the diffraction region of the grid structures. Interesting artefacts, such as the Wood anomalies and behaviour with S and P polarisations, which dictate the usage of these components in polarisation sensitive instruments, will be discussed.
2006
Millimeter and Submillimeter Detectors and Instrumentation for Astronomy III
Beam-dividers; Cryogenic systems; Dichroics; Filters; FIR-submillimetre
04 Pubblicazione in atti di convegno::04b Atto di convegno in volume
A review of metal mesh filters / Ade, P. A. R.; Pisano, G.; Tucker, C.; Weaver, S.. - 6275:(2006). (Intervento presentato al convegno Millimeter and Submillimeter Detectors and Instrumentation for Astronomy III tenutosi a Orlando, FL, usa) [10.1117/12.673162].
File allegati a questo prodotto
File Dimensione Formato  
Ade_A review of metal_2006.pdf

solo gestori archivio

Tipologia: Versione editoriale (versione pubblicata con il layout dell'editore)
Licenza: Tutti i diritti riservati (All rights reserved)
Dimensione 767.11 kB
Formato Adobe PDF
767.11 kB Adobe PDF   Contatta l'autore

I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.

Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/1557123
Citazioni
  • ???jsp.display-item.citation.pmc??? ND
  • Scopus 270
  • ???jsp.display-item.citation.isi??? ND
social impact