Millimeter-submillimeter wavelength filter system

Lyman A. Page, Edward S. Cheng, Boris Golubovic, Joshua Gundersen, Stephan S. Meyer

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

We describe the design, fabrication, measurement, and performance of a set of cryogenic millimeter-submillimeter wavelength filters used in a balloonborne bolometric radiometer. The set contains single resonant mesh grids used as dichroic beam splitters, resonant meshes in a double quarter-wave configuration, a commercial inductive grid filter, and high-frequency blocking filters. The resultant system has passbands at λ = 1.73, 1.05, 0.61, 0.44 mm with δλ/λ = 0.23, 0.23, 0.12, 0.06. Limits on high-frequency leakage are deduced from laboratory measurements and from the analysis of flight data. The filter set response to three different sources of radiation is presented to show the method and limitations of our characterization. The key element of the filter system is a resonant periodic array of cross-shaped holes etched in thin aluminum. We give an empirical scaling law for the resonant wavelength as a function of structure parameters for aluminum on 25-μm-thick Mylar. Plots of the transmittance for normally incident radiation and the transmittance and reflectance for a 45° incident radiation are presented.

Original languageEnglish (US)
Pages (from-to)11-23
Number of pages13
JournalApplied Optics
Volume33
Issue number1
StatePublished - Jan 1 1994
Externally publishedYes

Fingerprint

filters
Radiation
Wavelength
wavelengths
incident radiation
Aluminum
Scaling laws
Radiometers
mesh
transmittance
Cryogenics
grids
aluminum
Mylar (trademark)
Fabrication
beam splitters
radiometers
scaling laws
cryogenics
leakage

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Page, L. A., Cheng, E. S., Golubovic, B., Gundersen, J., & Meyer, S. S. (1994). Millimeter-submillimeter wavelength filter system. Applied Optics, 33(1), 11-23.

Millimeter-submillimeter wavelength filter system. / Page, Lyman A.; Cheng, Edward S.; Golubovic, Boris; Gundersen, Joshua; Meyer, Stephan S.

In: Applied Optics, Vol. 33, No. 1, 01.01.1994, p. 11-23.

Research output: Contribution to journalArticle

Page, LA, Cheng, ES, Golubovic, B, Gundersen, J & Meyer, SS 1994, 'Millimeter-submillimeter wavelength filter system', Applied Optics, vol. 33, no. 1, pp. 11-23.
Page LA, Cheng ES, Golubovic B, Gundersen J, Meyer SS. Millimeter-submillimeter wavelength filter system. Applied Optics. 1994 Jan 1;33(1):11-23.
Page, Lyman A. ; Cheng, Edward S. ; Golubovic, Boris ; Gundersen, Joshua ; Meyer, Stephan S. / Millimeter-submillimeter wavelength filter system. In: Applied Optics. 1994 ; Vol. 33, No. 1. pp. 11-23.
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