DE60110901D1 - Faserkoppler, system und zugehörige verfahren zur reduktion von rückreflektionen - Google Patents

Faserkoppler, system und zugehörige verfahren zur reduktion von rückreflektionen

Info

Publication number
DE60110901D1
DE60110901D1 DE60110901T DE60110901T DE60110901D1 DE 60110901 D1 DE60110901 D1 DE 60110901D1 DE 60110901 T DE60110901 T DE 60110901T DE 60110901 T DE60110901 T DE 60110901T DE 60110901 D1 DE60110901 D1 DE 60110901D1
Authority
DE
Germany
Prior art keywords
related methods
fiber coupler
reducing reverse
reflections
reverse reflections
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE60110901T
Other languages
English (en)
Other versions
DE60110901T2 (de
Inventor
D Kathman
S Koehler
H Welch
G Johnson
D Tekolste
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DigitalOptics Corp East
Original Assignee
Tessera North America Inc
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 Tessera North America Inc filed Critical Tessera North America Inc
Application granted granted Critical
Publication of DE60110901D1 publication Critical patent/DE60110901D1/de
Publication of DE60110901T2 publication Critical patent/DE60110901T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/42Coupling light guides with opto-electronic elements
    • G02B6/4201Packages, e.g. shape, construction, internal or external details
    • G02B6/4204Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0004Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed
    • G02B19/0028Condensers, e.g. light collectors or similar non-imaging optics characterised by the optical means employed refractive and reflective surfaces, e.g. non-imaging catadioptric systems
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B19/00Condensers, e.g. light collectors or similar non-imaging optics
    • G02B19/0033Condensers, e.g. light collectors or similar non-imaging optics characterised by the use
    • G02B19/0047Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source
    • G02B19/0052Condensers, e.g. light collectors or similar non-imaging optics characterised by the use for use with a light source the light source comprising a laser diode
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/42Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/42Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G02B27/4233Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive element [DOE] contributing to a non-imaging application
    • G02B27/4255Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having a diffractive element [DOE] contributing to a non-imaging application for alignment or positioning purposes
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/42Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect
    • G02B27/4272Diffraction optics, i.e. systems including a diffractive element being designed for providing a diffractive effect having plural diffractive elements positioned sequentially along the optical path
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/26Optical coupling means
    • G02B6/28Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29304Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by diffraction, e.g. grating
    • G02B6/29305Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by diffraction, e.g. grating as bulk element, i.e. free space arrangement external to a light guide
    • G02B6/29311Diffractive element operating in transmission
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/42Coupling light guides with opto-electronic elements
    • G02B6/4201Packages, e.g. shape, construction, internal or external details
    • G02B6/4204Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
    • G02B6/4206Optical features
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/42Coupling light guides with opto-electronic elements
    • G02B6/4201Packages, e.g. shape, construction, internal or external details
    • G02B6/4204Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
    • G02B6/4207Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms with optical elements reducing the sensitivity to optical feedback
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/09Beam shaping, e.g. changing the cross-sectional area, not otherwise provided for
    • G02B27/0938Using specific optical elements
    • G02B27/0944Diffractive optical elements, e.g. gratings, holograms
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/42Coupling light guides with opto-electronic elements
    • G02B6/4201Packages, e.g. shape, construction, internal or external details
    • G02B6/4202Packages, e.g. shape, construction, internal or external details for coupling an active element with fibres without intermediate optical elements, e.g. fibres with plane ends, fibres with shaped ends, bundles
    • G02B6/4203Optical features
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/42Coupling light guides with opto-electronic elements
    • G02B6/4201Packages, e.g. shape, construction, internal or external details
    • G02B6/4204Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
    • G02B6/4214Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms the intermediate optical element having redirecting reflective means, e.g. mirrors, prisms for deflecting the radiation from horizontal to down- or upward direction toward a device

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Gyroscopes (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Paper (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
DE60110901T 2000-07-11 2001-07-10 Faserkoppler, system und zugehörige verfahren zur reduktion von rückreflektionen Expired - Lifetime DE60110901T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US614184 2000-07-11
US09/614,184 US6496621B1 (en) 1998-09-22 2000-07-11 Fiber coupler system and associated methods for reducing back reflections
PCT/US2001/021761 WO2002005004A2 (en) 2000-07-11 2001-07-10 Fiber coupler, system and associated methods for reducing back reflections

Publications (2)

Publication Number Publication Date
DE60110901D1 true DE60110901D1 (de) 2005-06-23
DE60110901T2 DE60110901T2 (de) 2006-03-23

Family

ID=24460189

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60110901T Expired - Lifetime DE60110901T2 (de) 2000-07-11 2001-07-10 Faserkoppler, system und zugehörige verfahren zur reduktion von rückreflektionen

Country Status (7)

Country Link
US (5) US6496621B1 (de)
EP (1) EP1264204B1 (de)
AT (1) ATE295970T1 (de)
AU (1) AU2001273328A1 (de)
CA (1) CA2403682C (de)
DE (1) DE60110901T2 (de)
WO (1) WO2002005004A2 (de)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6905900B1 (en) * 2000-11-28 2005-06-14 Finisar Corporation Versatile method and system for single mode VCSELs
US7065124B2 (en) * 2000-11-28 2006-06-20 Finlsar Corporation Electron affinity engineered VCSELs
US6822794B2 (en) * 2000-12-15 2004-11-23 Agilent Technologies, Inc. Diffractive optical element for providing favorable multi-mode fiber launch and reflection management
US6965626B2 (en) * 2002-09-03 2005-11-15 Finisar Corporation Single mode VCSEL
US6807336B2 (en) * 2002-11-12 2004-10-19 Agilent Technologies, Inc. Optical lenses
US6813293B2 (en) 2002-11-21 2004-11-02 Finisar Corporation Long wavelength VCSEL with tunnel junction, and implant
US7418016B2 (en) * 2003-02-13 2008-08-26 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. Method and apparatus for modifying the spread of a laser beam
US20040222363A1 (en) * 2003-05-07 2004-11-11 Honeywell International Inc. Connectorized optical component misalignment detection system
US7231114B2 (en) * 2003-05-21 2007-06-12 Ocp-Europe, Ltd. Multimode fiber optical fiber transmission system with offset launch single mode long wavelength vertical cavity surface emitting laser transmitter
US20040247250A1 (en) * 2003-06-03 2004-12-09 Honeywell International Inc. Integrated sleeve pluggable package
US7277461B2 (en) * 2003-06-27 2007-10-02 Finisar Corporation Dielectric VCSEL gain guide
US7075962B2 (en) * 2003-06-27 2006-07-11 Finisar Corporation VCSEL having thermal management
US6961489B2 (en) * 2003-06-30 2005-11-01 Finisar Corporation High speed optical system
US7149383B2 (en) * 2003-06-30 2006-12-12 Finisar Corporation Optical system with reduced back reflection
US20060056762A1 (en) * 2003-07-02 2006-03-16 Honeywell International Inc. Lens optical coupler
US7210857B2 (en) * 2003-07-16 2007-05-01 Finisar Corporation Optical coupling system
US20050013542A1 (en) * 2003-07-16 2005-01-20 Honeywell International Inc. Coupler having reduction of reflections to light source
US20050013539A1 (en) * 2003-07-17 2005-01-20 Honeywell International Inc. Optical coupling system
US6887801B2 (en) * 2003-07-18 2005-05-03 Finisar Corporation Edge bead control method and apparatus
US7031363B2 (en) * 2003-10-29 2006-04-18 Finisar Corporation Long wavelength VCSEL device processing
KR100560387B1 (ko) * 2003-12-24 2006-03-13 한국전자통신연구원 단일/다중 모드 변환기, 및 이를 이용한 광 부호 분할다중 접속 시스템
US7477815B2 (en) * 2004-05-22 2009-01-13 Ocp-Europe, Ltd Multi-mode fiber, optical fiber transmission system with offset-launch, single-mode, long-wavelength, vertical cavity surface emitting laser transmitter
US8588203B2 (en) 2004-06-04 2013-11-19 Qualcomm Incorporated Wireless communication system with improved broadcast coverage
US8244085B2 (en) * 2004-07-02 2012-08-14 Finisar Corporation Optical transceiver interface for multimode fibers
KR100810312B1 (ko) * 2006-02-07 2008-03-04 삼성전자주식회사 다중 채널 방식의 양방향 광 송수신기
US7802930B2 (en) 2008-03-04 2010-09-28 Jds Uniphase Corporation Low-noise optical transmitter
US20090252192A1 (en) * 2008-04-08 2009-10-08 Jds Uniphase Corporation Reduced feedback optical transmitter
US8019233B2 (en) * 2008-05-30 2011-09-13 Avago Technologies Fiber Ip (Singapore) Pte. Ltd. Method and apparatus for using a hologram to control the optical field distribution of light generated by a light source and launched into an end of an optical waveguide
US7796850B2 (en) * 2008-06-11 2010-09-14 Jds Uniphase Corporation Multiple-pathway optical transmitter
US8442365B2 (en) * 2009-06-26 2013-05-14 Jds Uniphase Corporation Optical subassembly for coupling light into an optical waveguide
JP5946611B2 (ja) * 2011-07-15 2016-07-06 株式会社エンプラス 光レセプタクルおよびこれを備えた光モジュール
TWI588560B (zh) 2012-04-05 2017-06-21 布萊恩荷登視覺協會 用於屈光不正之鏡片、裝置、方法及系統
US9201250B2 (en) 2012-10-17 2015-12-01 Brien Holden Vision Institute Lenses, devices, methods and systems for refractive error
EP2908773B1 (de) 2012-10-17 2024-01-03 Brien Holden Vision Institute Linsen, vorrichtungen, verfahren und systeme für brechungsfehler
CN105527715B (zh) * 2015-08-13 2019-02-22 嘉兴驭光光电科技有限公司 一种采用衍射光学元件与透镜结合的光照发散角可调节的光学系统
US10451889B2 (en) 2015-10-22 2019-10-22 Avago Technologies International Sales Pte. Limited Optical communications module having an optics system that improves link performance, and methods
CN106886072B (zh) * 2015-12-15 2019-07-19 华为技术有限公司 一种一体成型耦合模块
US9841571B1 (en) * 2017-01-27 2017-12-12 Foxconn Interconnect Technology Limited Optical coupling system that reduces back reflection and improves mode matching in forward optical coupling using perturbations at a reflective surface
US10007072B1 (en) * 2017-02-28 2018-06-26 Foxconn Interconnect Technology Limited Optical coupling system having a perturbed curved optical surface that reduces back reflection and improves mode matching in forward optical coupling
JPWO2018163936A1 (ja) * 2017-03-07 2020-01-09 日本板硝子株式会社 光学部品および光学部品の製造方法

Family Cites Families (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US643508A (en) * 1899-02-21 1900-02-13 Manander Mott Johnson Thermostatic governor for incubators.
BE789176A (fr) * 1971-09-24 1973-01-15 Siemens Ag Dispositif pour l'introduction et l'extraction de lumiere dans des guides d'ondes optiques dielectriques et procede pour sa fabrication
FR2295437A1 (fr) * 1974-12-20 1976-07-16 Thomson Csf Systeme de liaison par transmission optique au moyen de guides de lumiere
US4709413A (en) * 1982-09-10 1987-11-24 American Telephone And Telegraph Company, At&T Bell Laboratories Bidirectional fiber optic systems
US4834484A (en) * 1987-07-09 1989-05-30 University Of Houston-University Park Optical fiber coupler including refractive means for producing an annular beam
DE3733019A1 (de) * 1987-09-30 1989-04-13 Siemens Ag Koppelanordnung zum einkoppeln von licht einer halbleiterlaserdiode in eine multimode-glasfaser
US4799755A (en) * 1987-12-21 1989-01-24 General Electric Company Laser materials processing with a lensless fiber optic output coupler
JPH03166531A (ja) * 1989-11-27 1991-07-18 Pioneer Electron Corp ファイバー型光波長変換装置
JPH0434505A (ja) * 1990-05-31 1992-02-05 Fujitsu Ltd 光導波路型デバイスとその製造方法
US5117472A (en) * 1990-12-28 1992-05-26 At&T Bell Laboratories Optical coupler with mode-mixing refractive microparticles
GB9101093D0 (en) * 1991-01-17 1991-02-27 Atomic Energy Authority Uk Focussing means
US5113244A (en) * 1991-02-06 1992-05-12 General Dynamics Corporation, Electronics Division Fiber optic combiner/splitter
JP3294870B2 (ja) * 1991-07-04 2002-06-24 旭光学工業株式会社 ズームレンズ
US5243681A (en) * 1992-04-13 1993-09-07 Amp Incorporated Aperture disk attenuator for laser diode connector
US5278679A (en) * 1992-08-03 1994-01-11 Davis Jeffrey A Sub-diffraction limited focusing lenses
JPH06120609A (ja) * 1992-10-06 1994-04-28 Matsushita Electric Ind Co Ltd 発光装置および受光装置とその製造方法
DK0595499T3 (da) 1992-10-28 1999-02-22 Sims Portex Inc Sugekateterenhed
JP3277573B2 (ja) * 1992-10-30 2002-04-22 住友電気工業株式会社 半導体レーザモジュール
US5405659A (en) * 1993-03-05 1995-04-11 University Of Puerto Rico Method and apparatus for removing material from a target by use of a ring-shaped elliptical laser beam and depositing the material onto a substrate
US5416862A (en) * 1993-04-07 1995-05-16 At&T Corp. Lightwave transmission system using selected optical modes
US5504826A (en) * 1994-03-08 1996-04-02 Nec Corporation Optical module for subcarrier multiplexed optical transmission system
US5638396A (en) * 1994-09-19 1997-06-10 Textron Systems Corporation Laser ultrasonics-based material analysis system and method
DE4440976A1 (de) * 1994-11-17 1996-05-23 Ant Nachrichtentech Optische Sende- und Empfangseinrichtung mit einem oberflächenemittierenden Laser
EP0723170A3 (de) * 1995-01-19 1997-04-23 Sumitomo Electric Industries Optisches zusammengesetztes Modul und Verfahren zu dessen Aufbau
GB9605011D0 (en) 1996-03-08 1996-05-08 Hewlett Packard Co Multimode communications systems
JPH1096839A (ja) 1996-09-20 1998-04-14 Sumitomo Electric Ind Ltd 半導体レーザモジュールの製造方法
US5763870A (en) * 1996-12-13 1998-06-09 Hewlett-Packard Company Method and system for operating a laser device employing an integral power-regulation sensor
US5898802A (en) * 1997-03-27 1999-04-27 Cogent Light Technologies, Inc. Coupling method and apparatus for coupling polymer fibers to a light source for improving power handling capabilities of the polymer fibers
JP3792040B2 (ja) * 1998-03-06 2006-06-28 松下電器産業株式会社 双方向光半導体装置
US6314223B1 (en) 1998-08-31 2001-11-06 Digital Optics Corporation Diffractive vertical cavity surface emitting laser power monitor and system
WO2000017691A1 (fr) * 1998-09-17 2000-03-30 Matsushita Electric Industrial Co., Ltd. Lentille de couplage et module laser à semiconducteur
US6243508B1 (en) * 1999-06-01 2001-06-05 Picolight Incorporated Electro-opto-mechanical assembly for coupling a light source or receiver to an optical waveguide
US6600845B1 (en) * 1999-10-18 2003-07-29 Digital Optics Corporation Integrated parallel transmitter
US6822794B2 (en) * 2000-12-15 2004-11-23 Agilent Technologies, Inc. Diffractive optical element for providing favorable multi-mode fiber launch and reflection management
US7149383B2 (en) * 2003-06-30 2006-12-12 Finisar Corporation Optical system with reduced back reflection

Also Published As

Publication number Publication date
US20090226134A1 (en) 2009-09-10
US20030072526A1 (en) 2003-04-17
US7343069B2 (en) 2008-03-11
CA2403682C (en) 2009-10-06
DE60110901T2 (de) 2006-03-23
US7529446B2 (en) 2009-05-05
WO2002005004A2 (en) 2002-01-17
ATE295970T1 (de) 2005-06-15
WO2002005004A3 (en) 2002-07-18
CA2403682A1 (en) 2002-01-17
US7221823B2 (en) 2007-05-22
US7769258B2 (en) 2010-08-03
US20070223094A1 (en) 2007-09-27
EP1264204A2 (de) 2002-12-11
US20080159695A1 (en) 2008-07-03
US6496621B1 (en) 2002-12-17
EP1264204B1 (de) 2005-05-18
AU2001273328A1 (en) 2002-01-21

Similar Documents

Publication Publication Date Title
DE60110901D1 (de) Faserkoppler, system und zugehörige verfahren zur reduktion von rückreflektionen
AR039755A2 (es) Disposicion de lente optica
IT1290943B1 (it) Amplificatore a fibra ottica drogata con er.
WO2002069282A8 (en) Currency system
ID16057A (id) Pengatur atau penyusun serat optik
DE69729584D1 (de) Multifokale optische kompositlinse
DE50204916D1 (de) Optisches Abbildungssystem mit Polarisationsmitteln
DE69113909D1 (de) Optischer verzweigender Wellenleiter.
IT1313927B1 (it) Dispositivo di filtro a reticolo di fibre ottiche di periodo lungo.
ITTO20000505A0 (it) Complesso ottico.
TR199600548A2 (tr) Fiber optik baglanti elemani.
DE69719949D1 (de) Optisches System mit dezentriertem Prisma
AU2001294664A1 (en) Optical inspection system having integrated component learning
DE69731252D1 (de) Übertragungssystem mit preisgünstigem optischem Filter
NL1010322A1 (nl) Optische uitleesinrichting.
NL1008436A1 (nl) Optische pickup-aandrijver.
NL1003177A1 (nl) Objectieflens.
ATE347122T1 (de) Optisches akkomodatives kompensationssystem
DE59702534D1 (de) Optische sendeeinrichtung
NL1004073A1 (nl) Gestabiliseerde optische richtinrichting.
DE29721892U1 (de) Lichtwellenleiter mit radialer Lichtauskopplung
NL1015661A1 (nl) Reflecterend optisch projectiesysteem met reductiebeeldvorming.
DE69838834D1 (de) Mehrstufige kombinierte optische Vorrichtung
NL1004078A1 (nl) Optische aftastinrichting.
ID25882A (id) Disk optik

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: TESSERA NORTH AMERICA.INC.(N. D. GES. D. STAAT, US

R082 Change of representative

Ref document number: 1264204

Country of ref document: EP

Representative=s name: PATENTANWAELTE VON KREISLER, SELTING, WERNER, 5066