WO2012113941A1 - Procédé d'assemblage de deux composants optiques pouvant s'emboîter moins partiellement - Google Patents

Procédé d'assemblage de deux composants optiques pouvant s'emboîter moins partiellement Download PDF

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Publication number
WO2012113941A1
WO2012113941A1 PCT/EP2012/053287 EP2012053287W WO2012113941A1 WO 2012113941 A1 WO2012113941 A1 WO 2012113941A1 EP 2012053287 W EP2012053287 W EP 2012053287W WO 2012113941 A1 WO2012113941 A1 WO 2012113941A1
Authority
WO
WIPO (PCT)
Prior art keywords
clamping
component
ferrule
fiber
sections
Prior art date
Application number
PCT/EP2012/053287
Other languages
German (de)
English (en)
Inventor
Steffen Böhme
Gerd Harnisch
Michael VOM HEEDE
Dirk Walter BOGS
Volker Gustav WIRTH
Original Assignee
Limo Patentverwaltung Gmbh & Co. Kg
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 Limo Patentverwaltung Gmbh & Co. Kg filed Critical Limo Patentverwaltung Gmbh & Co. Kg
Publication of WO2012113941A1 publication Critical patent/WO2012113941A1/fr

Links

Classifications

    • 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
    • G02B6/36—Mechanical coupling means
    • G02B6/38—Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807—Dismountable connectors, i.e. comprising plugs
    • G02B6/3873—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls
    • G02B6/3874—Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls using tubes, sleeves to align ferrules
    • G02B6/3877—Split sleeves
    • 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
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4292—Coupling light guides with opto-electronic elements the light guide being disconnectable from the opto-electronic element, e.g. mutually self aligning arrangements
    • 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
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4296—Coupling light guides with opto-electronic elements coupling with sources of high radiant energy, e.g. high power lasers, high temperature light sources

Definitions

  • the present invention relates to a device for the connection of two at least partially telescoping, optical components according to the preamble of claim 1.
  • the beam source and the optical processing are spatially separated from each other.
  • the optical merging of the two parts is usually done by optical fibers, which are connected to each other via a plug-screw method.
  • the laser power used and the necessary protective mechanisms derived therefrom e.g., stray light, temperature, breakage sensor, etc.
  • the development of fiber connectors and the like has occurred.
  • Fiber connector SMA 905 is used. This is the case
  • Patent US 005179610 describes a detachable fiber plug connection with a socket, which dissipates misdirected radiation via a second transmission path, partially reflects it and dissipates it via absorption to housing parts.
  • This approach requires many extremely accurate parts, the tolerances of which directly affect the efficiency of disposing of misdirected radiation.
  • both ferrule and socket (counterpart) are subject to tolerances.
  • part of the ferrule guide length is sacrificed for the lateral window openings, which can additionally reduce the positional stability of the fiber connector.
  • a reproducible Faserstecker- socket connection with a lateral positional deviation of ⁇ 1 ⁇ is not
  • Laser sources laser diode, fiber laser, etc.
  • laser diode laser diode
  • fiber laser fiber laser
  • the fiber connectors used contain as precisely manufactured ferrules for the lateral positioning of the optical fiber, the high performance of good thermal conductivity, wear-resistant
  • Laser source can be achieved only to a limited extent due to manufacturing tolerances, in particular the ferrule, moderate beam quality and / or optical aberrations in the beam path.
  • One approach is to functionally separate the positional accuracy of the fiber in the ferrule from its desired, good one
  • the problem underlying the present invention is to provide a device of the type mentioned, which allows a precise and reproducible positioning of the two components to each other.
  • the device comprises clamping means which can exert a force on the cylindrical portion of the first of the two components in the radial direction.
  • clamping means can be a precise mounting of a
  • cylindrical portion of a first component in a portion of a second component can be ensured.
  • Sliding sleeves, ferrules, rods or other axially symmetric components include that should be held either laterally and / or axially very accurately.
  • the device can be, for example, lateral
  • Axial position accuracies can be achieved in the range from 0.01 ° to 0.5 °.
  • the development of a play-free ferrule-socket connection creates a highly accurate, detachable fiber connector without
  • the plug housing serves as a thermal bridge to the housing of the radiation source. Sufficient cooling of the laser source e.g. by a Peltier element or water is often already there
  • the presented fiber connector has a similar dimension as a conventional SMA 905 connector with a significantly improved centering error and the potential for
  • Fig. 1 is a schematic perspective view of a first
  • Fig. 2 is a schematic perspective view of a second
  • Fig. 6 is a section through a second embodiment of a
  • Fig. 7 is a section through a fiber connector a
  • FIG. 8 shows a section through a connection of the fiber connector according to FIG. 7 with a socket of a device according to the invention
  • Fig. 9 is a schematic sectional view of an inventive
  • Fig. 10 is a schematic sectional view of the device according to
  • FIG. 9 with a first embodiment of clamping means
  • FIG. 11 is a schematic sectional view of the device according to
  • FIG. 9 with a second embodiment of clamping means.
  • Fig. 1 shows a first optical component, which is designed as a fiber connector 1.
  • a ferrule 3 is applied, which has a cylindrical outer contour.
  • the first component is a sliding sleeve, a ferrule, or a rod or another axially symmetrical component, or that the first component comprises a sliding sleeve, a ferrule, or a rod or another axially symmetrical component ,
  • Fig. 2 shows a second optical component, which is designed as a fiber connector socket 4, for example, to a laser light source
  • the fiber connector socket 4 has a cylindrical cavity with a clamping sleeve 5 arranged therein serving as a clamping means and having a receptacle 6.
  • the ferrule 3 can be inserted into the receptacle 6 of the clamping sleeve 5 for producing the connection between the first and second component.
  • a clamping sleeve 5 on the one hand ensure precise positioning in the lateral or radial direction. For example, lateral
  • Position accuracies in the range of 0.1 to 5 ⁇ can be achieved.
  • FIG. 3 and 4 illustrate that the ferrule 3 can be held in the receptacle 6 by radial forces 7, 8, 9, which press the ferrule 3 against one or more sections 10, 11, 12 of the inside of the clamping sleeve 5.
  • Figures 3 and 4 illustrate a precise lateral clamping in a fixed reference socket of the socket. It is irrelevant whether the lateral clamping pressure is uniform from several sides or only one side, as shown in the sketch. The design of the pan as an exact impression of the plug or only as a 2-point support is not crucial. Important is the precise lateral clamping in a fixed reference socket of the socket.
  • Guiding and clamping a precisely cylindrical shape which may be a precision ferrule of a fiber connector or a precision sleeve of a laser diode.
  • Fig. 5 shows a first embodiment of a clamping sleeve 5. As the dimensions of 2,983.61 ⁇ and 2,991.80 ⁇ can be removed, deviates the cross section of the receptacle 6 in the percentage range of the circular shape. The receptacle 6 is followed on the right side of FIG. 5 a
  • Gap 13 which extends over more than about 210 ° circumferentially spaced from the perimeter of the receptacle 6 around it.
  • Fig. 6 shows a second embodiment of a clamping sleeve 5, the receptacle 6 also has a slightly different from the circular cross-section.
  • Fig. 6 shows that the right third (120 ° circumferential) of the receptacle 6 has a first inner abutment surface 16 which has a radius of 1.253 ⁇ .
  • FIG. 6 shows that the left two-thirds (240 ° circumferential) of the receptacle 6 have a second inner abutment surface 17, which likewise has a radius of 1.253 ⁇ m.
  • the center of the radius of the first contact surface 16 is shifted by 50 ⁇ m to the left in FIG. 6 relative to the center of the radius of the second contact surface 17.
  • the receptacle 6 on a clear width which is slightly smaller than that of a circle with a radius of 1.253 ⁇ .
  • FIG. 6 has the advantage of a higher rigidity over that according to FIG. 5
  • Fig. 6 has a symmetrical structure, so that when inserting the ferrule 3 torques exert only a small influence.
  • the inner portions 14, 22, 23 act as a spring element which surrounds the ferrule 3 and receives the lateral position of the ferrule 3.
  • a reinforced clamping action is generated due to the two inner sections 22, 23 acting as spring element. Due to the fixed inner contact surface 16 with respect to the movable spring elements, which is exactly reshaped to the cylindrical surface of the ferrule 3, the position is always optimally maintained (in contrast to a collet, for example).
  • Fig. 7 shows in detail a fiber connector 1.
  • a Ferrulenability 28 a partial surrounding this connecting part 29 and a
  • the optical fiber 2 is exempt from the coating 31, but is up in the connecting part 29 of a sleeve 32nd
  • FIG. 8 shows the connection of the fiber connector 1 according to FIG. 7 with a fiber connector 4 with a clamping sleeve 5 schematically indicated therein.
  • the laser radiation 42 to be coupled into the optical fiber 2 is schematically indicated.
  • the Ferrulenability 28 of the fiber connector 1 has a first cylindrical portion 34 with a smaller diameter, which absorbs the aforementioned jacket modes 33. Furthermore, the Ferrulenfact 28 has a second cylindrical portion 35 with a larger diameter, which rests against the fiber connector socket 4 and the heat 38 of the absorbed radiation in the
  • Fiber socket 4 initiates.
  • the fiber connector 4 can be provided with a suitable cooling.
  • a clamping claw 36 can be seen, which presses the second cylindrical portion 35 of the Ferrulenfact 28 against the fiber connector socket 4 and thereby the exact
  • Fig. 9 shows schematically a device for the connection
  • Fiber socket 4 with a fiber connector In Fig. 9 to Fig. 11 are both the fiber connector socket 4, as well as with a
  • Fiber optic 2 connected fiber connector 1 with ferrule 3 only
  • the illustrated components are rotationally symmetrical components.
  • both the fiber connector socket 4, and the fiber connector 1 each have a stop 37, 38, which are pressed against each other.
  • clamping devices As a clamping means is used in the embodiment of FIG. 10 is a schematically illustrated clamping claw 36. In this case, the clamping claw 36 a plurality of distributed over its circumference
  • Grub screws 39 can be screwed onto the counterparts, not shown, such as nuts.
  • a clamping ring 40 As clamping means is used in the embodiment of FIG. 11, a clamping ring 40. In this case, the clamping ring 40 can be screwed into a fixedly connected to the fiber connector socket 4 sleeve 41.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Coupling Of Light Guides (AREA)

Abstract

L'invention concerne un procédé de liaison de deux composants optiques pouvant s'emboîter au moins partiellement, le premier composant étant par exemple une férule (3) et présentant une partie cylindrique, et le dispositif comprenant des moyens de serrage, en particulier une douille de serrage (5), capables d'appliquer une force en direction radiale sur la partie cylindrique du premier des deux composants.
PCT/EP2012/053287 2011-02-25 2012-02-27 Procédé d'assemblage de deux composants optiques pouvant s'emboîter moins partiellement WO2012113941A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011012512 2011-02-25
DE102011012512.4 2011-02-25

Publications (1)

Publication Number Publication Date
WO2012113941A1 true WO2012113941A1 (fr) 2012-08-30

Family

ID=45774203

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2012/053287 WO2012113941A1 (fr) 2011-02-25 2012-02-27 Procédé d'assemblage de deux composants optiques pouvant s'emboîter moins partiellement

Country Status (1)

Country Link
WO (1) WO2012113941A1 (fr)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3122326A1 (de) * 1981-06-05 1982-12-23 Standard Elektrik Lorenz Ag, 7000 Stuttgart Optischer steckverbinder
DE3728346A1 (de) * 1987-08-25 1989-03-09 Siemens Ag Federnde huelse zum koaxialen verbinden von runden praezisionsstiften
US5104242A (en) * 1989-10-19 1992-04-14 Nippon Sheet Glass Co., Ltd. Fiber optic connector
US5179610A (en) 1991-04-19 1993-01-12 Trimedyne, Inc. Connector for coupling of laser energy
EP0704728A2 (fr) 1994-09-28 1996-04-03 Miyachi Technos Corporation Connecteur fibre optique
WO1998044371A1 (fr) * 1997-04-01 1998-10-08 Cogent Light Technologies, Inc. Connecteur proximal a enclenchement pour monter un element de fibre optique dans un systeme de source lumineuse
US6065882A (en) * 1995-07-14 2000-05-23 Cogent Light Technologies, Inc. Snap-in proximal connector for mounting an optic fiber element into a light source system
US20020172471A1 (en) * 2001-03-23 2002-11-21 Slater Joseph B. Precise self-aligning split-sleeve fiber-optic bulkhead connector
WO2005040863A2 (fr) 2003-10-01 2005-05-06 Brown Joe D Appareil et procede de diffusion de l'energie laser errant par defaut de couplage dans des fibres de petite ame
US20060251144A1 (en) * 2005-03-31 2006-11-09 Fuji Photo Film Co., Ltd. Laser module having detachable transparent member covering light-output window

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3122326A1 (de) * 1981-06-05 1982-12-23 Standard Elektrik Lorenz Ag, 7000 Stuttgart Optischer steckverbinder
DE3728346A1 (de) * 1987-08-25 1989-03-09 Siemens Ag Federnde huelse zum koaxialen verbinden von runden praezisionsstiften
US5104242A (en) * 1989-10-19 1992-04-14 Nippon Sheet Glass Co., Ltd. Fiber optic connector
US5179610A (en) 1991-04-19 1993-01-12 Trimedyne, Inc. Connector for coupling of laser energy
EP0704728A2 (fr) 1994-09-28 1996-04-03 Miyachi Technos Corporation Connecteur fibre optique
US6065882A (en) * 1995-07-14 2000-05-23 Cogent Light Technologies, Inc. Snap-in proximal connector for mounting an optic fiber element into a light source system
WO1998044371A1 (fr) * 1997-04-01 1998-10-08 Cogent Light Technologies, Inc. Connecteur proximal a enclenchement pour monter un element de fibre optique dans un systeme de source lumineuse
US20020172471A1 (en) * 2001-03-23 2002-11-21 Slater Joseph B. Precise self-aligning split-sleeve fiber-optic bulkhead connector
WO2005040863A2 (fr) 2003-10-01 2005-05-06 Brown Joe D Appareil et procede de diffusion de l'energie laser errant par defaut de couplage dans des fibres de petite ame
US20060251144A1 (en) * 2005-03-31 2006-11-09 Fuji Photo Film Co., Ltd. Laser module having detachable transparent member covering light-output window

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