ATE254808T1 - Neuartiges gitter - Google Patents

Neuartiges gitter

Info

Publication number
ATE254808T1
ATE254808T1 AT01909990T AT01909990T ATE254808T1 AT E254808 T1 ATE254808 T1 AT E254808T1 AT 01909990 T AT01909990 T AT 01909990T AT 01909990 T AT01909990 T AT 01909990T AT E254808 T1 ATE254808 T1 AT E254808T1
Authority
AT
Austria
Prior art keywords
gap
members
new grid
16lambdag
lambdag
Prior art date
Application number
AT01909990T
Other languages
English (en)
Inventor
John Roy Sambles
Christopher Robert Lawrence
Original Assignee
Qinetiq Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Qinetiq Ltd filed Critical Qinetiq Ltd
Application granted granted Critical
Publication of ATE254808T1 publication Critical patent/ATE254808T1/de

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q17/00—Devices for absorbing waves radiated from an antenna; Combinations of such devices with active antenna elements or systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/0006—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices
    • H01Q15/0013—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices said selective devices working as frequency-selective reflecting surfaces, e.g. FSS, dichroic plates, surfaces being partly transmissive and reflective
    • H01Q15/002—Devices acting selectively as reflecting surface, as diffracting or as refracting device, e.g. frequency filtering or angular spatial filtering devices said selective devices working as frequency-selective reflecting surfaces, e.g. FSS, dichroic plates, surfaces being partly transmissive and reflective said selective devices being reconfigurable or tunable, e.g. using switches or diodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/14—Reflecting surfaces; Equivalent structures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/44—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the electric or magnetic characteristics of reflecting, refracting, or diffracting devices associated with the radiating element

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Liquid Crystal (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Electroluminescent Light Sources (AREA)
  • Glass Compositions (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
AT01909990T 2000-03-11 2001-03-07 Neuartiges gitter ATE254808T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0005788.5A GB0005788D0 (en) 2000-03-11 2000-03-11 Novel grating
PCT/GB2001/000976 WO2001069718A1 (en) 2000-03-11 2001-03-07 Novel grating

Publications (1)

Publication Number Publication Date
ATE254808T1 true ATE254808T1 (de) 2003-12-15

Family

ID=9887360

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01909990T ATE254808T1 (de) 2000-03-11 2001-03-07 Neuartiges gitter

Country Status (8)

Country Link
US (1) US6703979B2 (de)
EP (1) EP1264364B1 (de)
AT (1) ATE254808T1 (de)
AU (1) AU2001237575A1 (de)
CA (1) CA2401509C (de)
DE (1) DE60101263T2 (de)
GB (1) GB0005788D0 (de)
WO (1) WO2001069718A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10883924B2 (en) * 2014-09-08 2021-01-05 The Research Foundation Of State University Of New York Metallic gratings and measurement methods thereof

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2607009A (en) * 1948-10-08 1952-08-12 Philco Corp Electromagnetic wave transmissive structure
US4323901A (en) * 1980-02-19 1982-04-06 Rockwell International Corporation Monolithic, voltage controlled, phased array
US4588994A (en) * 1982-10-18 1986-05-13 Hughes Aircraft Company Continuous ferrite aperture for electronic scanning antennas
US4551692A (en) * 1984-03-28 1985-11-05 United Technologies Corporation Monolithic polarizer grating
JP3308558B2 (ja) * 1991-05-02 2002-07-29 富士通株式会社 アンテナモジュール
US5450092A (en) 1993-04-26 1995-09-12 Das; Satyendranath Ferroelectric scanning RF antenna
US5729239A (en) 1995-08-31 1998-03-17 The United States Of America As Represented By The Secretary Of The Navy Voltage controlled ferroelectric lens phased array

Also Published As

Publication number Publication date
WO2001069718A1 (en) 2001-09-20
DE60101263T2 (de) 2004-08-26
DE60101263D1 (de) 2003-12-24
EP1264364B1 (de) 2003-11-19
US20030058188A1 (en) 2003-03-27
CA2401509C (en) 2010-05-18
GB0005788D0 (en) 2000-05-03
CA2401509A1 (en) 2001-09-20
US6703979B2 (en) 2004-03-09
AU2001237575A1 (en) 2001-09-24
WO2001069718A8 (en) 2002-01-03
EP1264364A2 (de) 2002-12-11

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties