Experimental study on a hologram-based compact antenna test range at 650 GHz

Tomi Koskinen, Juha Ala-Laurinaho, Jussi Säily, Anne Lönnqvist, Janne Häkli, Juha Mallat, Jussi Tuovinen, Antti V. Räisänen

Research output: Contribution to journalArticleScientificpeer-review

12 Citations (Scopus)

Abstract

This paper studies the feasibility of a hologram-based compact antenna test range (CATR) for submillimeter-wave frequencies. In the CATR, a hologram is used as a collimating element to form a plane wave for antenna testing. The hologram is a computer-generated interference pattern etched on a thin metal-plated dielectric film. Two demonstration holograms of approximately 1 m in diameter were designed for 650 GHz, and they were manufactured on two different Mylar films. The holograms were illuminated with a horn, and the plane-wave field was probed at 644 GHz. The measured amplitude and phase ripples were 2 dB and 15º peak-to-peak for one of the holograms. A higher quiet-zone field quality can be achieved by increasing the manufacturing accuracy by further manufacturing tests. After this, the hologram-based CATR should have a potential for high-quality antenna tests at frequencies up to 650 GHz.
Original languageEnglish
Pages (from-to)2999 - 3006
Number of pages8
JournalIEEE Transactions on Microwave Theory and Techniques
Volume53
Issue number9
DOIs
Publication statusPublished - 2005
MoE publication typeA1 Journal article-refereed

Fingerprint

test ranges
Holograms
antennas
Antennas
plane waves
manufacturing
Mylar (trademark)
submillimeter waves
ripples
Submillimeter waves
Dielectric films
interference
Demonstrations
metals
Testing
Metals

Keywords

  • antenna measurements
  • compact antenna test range (CATR)
  • hologram
  • submillimeter wave

Cite this

Koskinen, Tomi ; Ala-Laurinaho, Juha ; Säily, Jussi ; Lönnqvist, Anne ; Häkli, Janne ; Mallat, Juha ; Tuovinen, Jussi ; Räisänen, Antti V. / Experimental study on a hologram-based compact antenna test range at 650 GHz. In: IEEE Transactions on Microwave Theory and Techniques. 2005 ; Vol. 53, No. 9. pp. 2999 - 3006.
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abstract = "This paper studies the feasibility of a hologram-based compact antenna test range (CATR) for submillimeter-wave frequencies. In the CATR, a hologram is used as a collimating element to form a plane wave for antenna testing. The hologram is a computer-generated interference pattern etched on a thin metal-plated dielectric film. Two demonstration holograms of approximately 1 m in diameter were designed for 650 GHz, and they were manufactured on two different Mylar films. The holograms were illuminated with a horn, and the plane-wave field was probed at 644 GHz. The measured amplitude and phase ripples were 2 dB and 15º peak-to-peak for one of the holograms. A higher quiet-zone field quality can be achieved by increasing the manufacturing accuracy by further manufacturing tests. After this, the hologram-based CATR should have a potential for high-quality antenna tests at frequencies up to 650 GHz.",
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Experimental study on a hologram-based compact antenna test range at 650 GHz. / Koskinen, Tomi; Ala-Laurinaho, Juha; Säily, Jussi; Lönnqvist, Anne; Häkli, Janne; Mallat, Juha; Tuovinen, Jussi; Räisänen, Antti V.

In: IEEE Transactions on Microwave Theory and Techniques, Vol. 53, No. 9, 2005, p. 2999 - 3006.

Research output: Contribution to journalArticleScientificpeer-review

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AU - Koskinen, Tomi

AU - Ala-Laurinaho, Juha

AU - Säily, Jussi

AU - Lönnqvist, Anne

AU - Häkli, Janne

AU - Mallat, Juha

AU - Tuovinen, Jussi

AU - Räisänen, Antti V.

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AB - This paper studies the feasibility of a hologram-based compact antenna test range (CATR) for submillimeter-wave frequencies. In the CATR, a hologram is used as a collimating element to form a plane wave for antenna testing. The hologram is a computer-generated interference pattern etched on a thin metal-plated dielectric film. Two demonstration holograms of approximately 1 m in diameter were designed for 650 GHz, and they were manufactured on two different Mylar films. The holograms were illuminated with a horn, and the plane-wave field was probed at 644 GHz. The measured amplitude and phase ripples were 2 dB and 15º peak-to-peak for one of the holograms. A higher quiet-zone field quality can be achieved by increasing the manufacturing accuracy by further manufacturing tests. After this, the hologram-based CATR should have a potential for high-quality antenna tests at frequencies up to 650 GHz.

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KW - submillimeter wave

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