WO2004068218A3 - Optical beam scanning system for compact image display or image acquisition - Google Patents

Optical beam scanning system for compact image display or image acquisition Download PDF

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Publication number
WO2004068218A3
WO2004068218A3 PCT/US2004/001986 US2004001986W WO2004068218A3 WO 2004068218 A3 WO2004068218 A3 WO 2004068218A3 US 2004001986 W US2004001986 W US 2004001986W WO 2004068218 A3 WO2004068218 A3 WO 2004068218A3
Authority
WO
WIPO (PCT)
Prior art keywords
optical component
optical
optical fiber
layer
etch
Prior art date
Application number
PCT/US2004/001986
Other languages
French (fr)
Other versions
WO2004068218A2 (en
Inventor
Janet Crossman-Bosworth
Eric Seibel
Mark Fauver
Original Assignee
Univ Washington
Janet Crossman-Bosworth
Eric Seibel
Mark Fauver
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 Univ Washington, Janet Crossman-Bosworth, Eric Seibel, Mark Fauver filed Critical Univ Washington
Priority to EP04704940A priority Critical patent/EP1592992B1/en
Publication of WO2004068218A2 publication Critical patent/WO2004068218A2/en
Publication of WO2004068218A3 publication Critical patent/WO2004068218A3/en

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/0875—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more refracting elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/10—Scanning systems
    • G02B26/101—Scanning systems with both horizontal and vertical deflecting means, e.g. raster or XY scanners
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/25—Preparing the ends of light guides for coupling, e.g. cutting
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/255—Splicing of light guides, e.g. by fusion or bonding
    • G02B6/2552—Splicing of light guides, e.g. by fusion or bonding reshaping or reforming of light guides for coupling using thermal heating, e.g. tapering, forming of a lens on light guide ends
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/262—Optical details of coupling light into, or out of, or between fibre ends, e.g. special fibre end shapes or associated optical elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/32—Optical coupling means having lens focusing means positioned between opposed fibre ends
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/36—Image-producing devices or illumination devices not otherwise provided for
    • A61B90/361—Image-producing devices, e.g. surgical cameras
    • A61B2090/3614—Image-producing devices, e.g. surgical cameras using optical fibre
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B2006/0098—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings for scanning

Abstract

An optical fiber (10) having a reduced cross sectional region adjacent its distal end, which is fused to an optical component (14), is vibrated, rotating the optical component (14) to scan a region. The optical component (14) has a back focal point substantially coincident with an effective light source of the optical fiber (10), so the light emanating from the optical component (14) is either substantially collimated or convergent. The optical component (14) is either a ball lens, a drum lens, a graded index lens, or a diffractive optical element. A vibratory node is also made substantially coincident with the back focal point of the optical component (14), producing a compact scanner with extensive field of view. The optical fiber (10) is preferably reduced in cross sectional area after the optical component (14) is fused to the optical fiber (10), by immersion in a three layer etch apparatus having an etch stop layer (30), an etch layer (36), and a solvent layer (38).
PCT/US2004/001986 2003-01-24 2004-01-23 Optical beam scanning system for compact image display or image acquisition WO2004068218A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP04704940A EP1592992B1 (en) 2003-01-24 2004-01-23 Optical beam scanning system for compact image display or image acquisition

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US44285203P 2003-01-24 2003-01-24
US60/442,852 2003-01-24

Publications (2)

Publication Number Publication Date
WO2004068218A2 WO2004068218A2 (en) 2004-08-12
WO2004068218A3 true WO2004068218A3 (en) 2005-04-14

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/001986 WO2004068218A2 (en) 2003-01-24 2004-01-23 Optical beam scanning system for compact image display or image acquisition

Country Status (3)

Country Link
US (2) US7068878B2 (en)
EP (1) EP1592992B1 (en)
WO (1) WO2004068218A2 (en)

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