WO2007107942A3 - Perforated metallic film for faraday rotator in visible spectrum - Google Patents

Perforated metallic film for faraday rotator in visible spectrum Download PDF

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Publication number
WO2007107942A3
WO2007107942A3 PCT/IB2007/050931 IB2007050931W WO2007107942A3 WO 2007107942 A3 WO2007107942 A3 WO 2007107942A3 IB 2007050931 W IB2007050931 W IB 2007050931W WO 2007107942 A3 WO2007107942 A3 WO 2007107942A3
Authority
WO
WIPO (PCT)
Prior art keywords
plurality
wavelength
radiation
apertures
rows
Prior art date
Application number
PCT/IB2007/050931
Other languages
French (fr)
Other versions
WO2007107942A2 (en
Inventor
Kamal Alameh
Original Assignee
Panorama Labs Pty Ltd
Kamal Alameh
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
Priority to US76731806P priority Critical
Priority to US60/767,318 priority
Application filed by Panorama Labs Pty Ltd, Kamal Alameh filed Critical Panorama Labs Pty Ltd
Publication of WO2007107942A2 publication Critical patent/WO2007107942A2/en
Publication of WO2007107942A3 publication Critical patent/WO2007107942A3/en

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating, or modulating; Non-linear optics
    • G02F1/01Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating, or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/09Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating, or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on magneto-optical elements, e.g. exhibiting Faraday effect
    • GPHYSICS
    • G02OPTICS
    • G02FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F2203/00Function characteristic
    • G02F2203/10Function characteristic plasmon

Abstract

A system, method, and computer program product for using thin metallic films as an MO material suitable for propagating visible radiation. The system includes an apparatus having a substrate transparent to a radiation signal having a wavelength in a visible frequency range; a regularly perforated metallic layer having a plurality of apertures, each aperture having a diameter not greater than about the wavelength divided by four, the apertures arranged into a plurality of rows and a plurality of columns of a regular matrix providing centers of the apertures disposed about the wavelength apart along the rows and the columns; and a magnetic field generating structure disposed over the metallic layer. The method includes a) propagating a radiation signal through a substrate, the radiation signal including a radiation component at a wavelength in a visible frequency range; b) imposing the radiation signal on a regularly perforated metallic layer having a plurality of apertures, each aperture having a diameter not greater than about the wavelength divided by four, the apertures arranged into a plurality of rows and a plurality of columns of a regular matrix providing centers of the apertures disposed about the wavelength apart along the rows and the columns to pass the radiation component; and c) influencing the radiation component using a magnetic field generally parallel to a propagation direction of the radiation component to variably change a polarization angle responsive to the magnetic field.
PCT/IB2007/050931 2006-03-17 2007-03-17 Perforated metallic film for faraday rotator in visible spectrum WO2007107942A2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US76731806P true 2006-03-17 2006-03-17
US60/767,318 2006-03-17

Publications (2)

Publication Number Publication Date
WO2007107942A2 WO2007107942A2 (en) 2007-09-27
WO2007107942A3 true WO2007107942A3 (en) 2007-11-22

Family

ID=38522818

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2007/050931 WO2007107942A2 (en) 2006-03-17 2007-03-17 Perforated metallic film for faraday rotator in visible spectrum

Country Status (1)

Country Link
WO (1) WO2007107942A2 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5473466A (en) * 1994-06-02 1995-12-05 Tanielian; Aram A. Magneto-optical display and method of forming such display
JP2005055921A (en) * 2004-10-18 2005-03-03 Ricoh Co Ltd Magneto-optical element and optical apparatus
US20050201715A1 (en) * 2004-03-29 2005-09-15 Panorama Flat Ltd. System, method, and computer program product for magneto-optic device display

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5473466A (en) * 1994-06-02 1995-12-05 Tanielian; Aram A. Magneto-optical display and method of forming such display
US20050201715A1 (en) * 2004-03-29 2005-09-15 Panorama Flat Ltd. System, method, and computer program product for magneto-optic device display
JP2005055921A (en) * 2004-10-18 2005-03-03 Ricoh Co Ltd Magneto-optical element and optical apparatus

Also Published As

Publication number Publication date
WO2007107942A2 (en) 2007-09-27

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