WO2014112801A1 - 번들형 광섬유 프로브 - Google Patents
번들형 광섬유 프로브 Download PDFInfo
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- WO2014112801A1 WO2014112801A1 PCT/KR2014/000464 KR2014000464W WO2014112801A1 WO 2014112801 A1 WO2014112801 A1 WO 2014112801A1 KR 2014000464 W KR2014000464 W KR 2014000464W WO 2014112801 A1 WO2014112801 A1 WO 2014112801A1
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- Prior art keywords
- optical fiber
- irradiation
- fiber
- laser beam
- probe
- Prior art date
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- 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
- G02B6/04—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres
- G02B6/06—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres the relative position of the fibres being the same at both ends, e.g. for transporting images
- G02B6/08—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres the relative position of the fibres being the same at both ends, e.g. for transporting images with fibre bundle in form of plate
-
- 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
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0005—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type
- G02B6/0008—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being of the fibre type the light being emitted at the end of the 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
- G02B6/04—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings formed by bundles of fibres
-
- 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
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
-
- 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
- G02B6/3616—Holders, macro size fixtures for mechanically holding or positioning fibres, e.g. on an optical bench
- G02B6/3624—Fibre head, e.g. fibre probe termination
-
- 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
- G02B6/35—Optical coupling means having switching means
- G02B6/351—Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements
- G02B6/353—Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements the optical element being a shutter, baffle, beam dump or opaque element
Definitions
- the present invention relates to a bundled optical fiber probe, and more particularly to a bundled optical fiber probe to form a bundle of the front irradiation fiber and side irradiation fiber.
- Fiber optic probes are used for miniaturization of systems in optical imaging systems.
- a fiber optic probe operating in a single mode in a wider wavelength band is required in addition to a light source having a wide bandwidth.
- a side-scanning optical fiber probe is used.
- the first method is to use bulk devices such as micro prisms or reflective mirrors at one end of the optical fiber.
- the second method is to join devices such as cylindrical green lens or commercially available ball lens to one end of single-mode fiber. And a method of cutting or polishing the green lens or the ball lens at an appropriate angle, and the third method is to bond the green lens and the micro light splitter in order to one end of the single mode optical fiber.
- An object according to an embodiment is to provide a bundled optical fiber probe that can be irradiated in various directions by using a single optical fiber probe by bundle of the front irradiation fiber and side irradiation optical fiber.
- An object according to an embodiment is to provide a bundled optical fiber probe that can individually control the irradiation direction or laser power for the front irradiation fiber or side irradiation fiber.
- An object according to an embodiment is to provide a bundled optical fiber probe capable of three-dimensional laser control by providing different heights of the ends of the front irradiation fiber or side irradiation fiber.
- An object according to an embodiment is to provide a bundled optical fiber probe that can control the laser side irradiation angle from the side irradiation optical fiber by using the internal reflection or metal reflective film.
- An object according to an embodiment is to provide a bundled optical fiber probe manufacturing apparatus that is easy to control the irradiation direction or height of the front irradiation side or side irradiation optical fiber, the production is simple, and can minimize damage by the outside. .
- Bundle-type optical fiber probe has a front irradiation optical fiber located in the center, the front irradiation portion and the end of the front irradiation optical fiber is a planar front irradiation portion and the side irradiation optical fiber is the outer periphery of the front irradiation portion Is disposed on, the end of the side irradiation optical fiber is formed with an inclined surface that can reflect the laser beam to the side, the front irradiation portion and the side irradiation portion may be formed in one bundle.
- the front irradiation optical fiber and the side irradiation optical fiber further includes a control unit that can be controlled separately, the control unit may individually adjust the laser irradiation direction or laser power.
- the controller is a laser beam splitter for dividing the number of laser beams equal to the number of the front irradiation fiber and the side irradiation fiber, a beam switch that can selectively block the path of the laser beam and the beam switch through It may include a lens for sending a laser beam to the front irradiation fiber or side irradiation optical fiber.
- control unit includes a coupler for dividing and combining the laser beam, the coupler may be provided in series or in parallel with a plurality.
- the inclined surfaces of the side irradiation optical fibers may be made at different angles, the angle of the inclined surface may be selected in consideration of the total internal reflection of the laser.
- the front irradiation optical fiber or the side irradiation optical fiber may have a different diameter, or may be located at different heights.
- it may further include a glass tube surrounding the end of the probe, the inner diameter of the glass tube may be provided to correspond to the outer diameter of the probe.
- an optical fiber chuck to fix the front irradiation fiber or side irradiation optical fiber a chuck fixing jig mounted to the optical fiber chuck to fix the optical fiber chuck and the It may include a circle clamp that can fix the polymer tube or the glass tube surrounding the end of the optical fiber.
- it may include a polymer tube disposed coaxially in the longitudinal direction of the optical fiber, passing the optical fiber therein to collect the optical fiber.
- the optical fiber chuck is rotatably mounted to the chuck fixing jig, it is possible to adjust the irradiation direction by the side irradiation optical fiber by the rotation of the optical fiber chuck.
- the chuck fixing jig may be provided with a hole corresponding to the number of the optical fibers.
- the bundled optical fiber probe by providing a front irradiation fiber and a side irradiation optical fiber in a bundle, it is possible to irradiation in various directions using one optical fiber probe.
- the bundled optical fiber probe it is possible to individually control the irradiation direction or laser power for the front irradiation fiber or side irradiation fiber.
- three-dimensional laser control can be performed by providing different heights of the ends of the front irradiation fiber or the side irradiation fiber.
- the laser side irradiation angle from the side irradiation optical fiber can be controlled by using the internal reflection or the metal reflective film.
- the bundled optical fiber probe manufacturing apparatus it is easy to control the irradiation direction of the front irradiation optical fiber or side irradiation optical fiber, the production is simple, it is possible to minimize the damage by the outside.
- FIG. 1 is a perspective view of a bundled fiber optic probe according to one embodiment.
- FIG. 2 illustrates a state in which a laser passes through a bundled fiber optic probe according to an embodiment.
- FIG. 3 shows a control unit according to the first embodiment.
- FIG. 4 shows a controller according to a second embodiment.
- FIG. 5 shows a controller according to a third embodiment.
- 6A, 6B and 6C are modified examples of the bundled fiber optic probe according to one embodiment.
- FIG. 7A and 7B illustrate optical fibers disposed at different heights in a bundled optical fiber probe according to one embodiment.
- FIG 9 illustrates an apparatus for manufacturing a bundled fiber optic probe according to an embodiment.
- FIG. 1 is a perspective view of a bundled fiber optic probe according to one embodiment
- FIG. 2 illustrates a state in which a laser passes through the bundled fiber optic probe according to one embodiment.
- the bundled optical fiber probe 10 may include a front irradiation part and a side irradiation part.
- the front irradiation part may be disposed in the center of the bundled optical fiber probe 10 and may include a front irradiation fiber 110.
- the optical fiber is a fiber made by thinly elongated transparent dielectric such as quartz glass or plastic, and the diameter is generally 0.1 to 1 mm.
- the optical fiber is composed of a medium having a high refractive index and the periphery is covered with a medium having a low refractive index.
- the central core portion and the cladding portion surrounding the core have a double cylinder shape, and the outer surface is coated with one or two synthetic resin coatings to protect it from impact.
- the principle of the optical fiber is the principle of total reflection. For example, when the angle of incidence of light at the boundary between two transparent bodies having different refractive indices is met, the complete reflection of light occurs. Specifically, when light passes through the optical fiber, the cladding acts as a mirror to reflect the light. This reflected light passes back through the core and back to the cladding to reflect. By repeating this process, light is transmitted through the optical fiber. Therefore, only reflection and no refraction occur at the interface between the core and the cladding, so that no light is emitted and can reach the end of the optical fiber.
- the end of the front irradiation optical fiber 110 is made of a plane, the laser can go straight along the longitudinal direction of the front irradiation optical fiber 110 through the front irradiation optical fiber (110).
- a side irradiation part may be disposed on an outer circumference of the front irradiation part.
- the side irradiation unit may include a side irradiation optical fiber 120, the side irradiation optical fiber 120 is shown as having the same material and diameter as the above-mentioned front irradiation optical fiber 110, but is not limited to this, other materials And diameter.
- the front irradiation optical fiber 110 is centered around the plurality of side irradiation optical fibers 120 in the circumferential direction of the front irradiation optical fiber 110, it is shown as being formed as a bundle, but the front irradiation portion and the side Bundle of the irradiation unit may be in a variety of shapes as needed, it is obvious that the number of side irradiation optical fiber 120 may also be provided in various ways.
- An inclined surface A may be formed at the end of the side irradiation optical fiber 120. Therefore, the side irradiation optical fiber 120 is polished before being formed in a bundle with the front irradiation optical fiber 110 to form the inclined surface (A). For example, the side irradiation optical fiber 120 is inserted into the chuck, and the chuck is mounted on the polishing jig at a desired inclination angle B. Then, the polishing jig is moved toward the grinder, and the inclined surface ( A) can be formed. Thereafter, the inclined surface may be trimmed using a lapping sheet.
- the inclination angle (B) may be selected as the angle that can use the internal reflection reflecting the refractive index of the clad and the core of the side irradiation optical fiber 120.
- the inclination angle B may be selected in consideration of an angle in which the laser beam is not lost through the side irradiation optical fiber 120 and is entirely transmitted to the irradiation target.
- the laser beam passing through the optical fiber by the inclined surface A may be reflected toward the side at the end of the side irradiation optical fiber 120.
- the laser beam passing through the optical fiber may be reflected to the outside of the bundled optical fiber probe 10 in the direction perpendicular to the incident direction of the laser beam.
- the total number of irradiable directions may be the number of front irradiated optical fibers 110 and side irradiated optical fibers 120.
- the total irradiation direction of the bundled optical fiber probe 10 consisting of one front irradiation optical fiber 110 and four side irradiation optical fiber 120 may be five directions.
- laser irradiation may be performed in various directions including the front and side surfaces through the front irradiation optical fiber 110 and the side irradiation optical fiber 120 bound in an appropriate shape.
- the bundle of the side irradiation optical fiber 120 and the front irradiation optical fiber 110 can be laser irradiation in three dimensions by various shapes.
- the bundled fiber optic probe 10 can be operated as follows.
- the laser beam When the laser beam is incident on the front irradiated optical fiber 110 and the side irradiated optical fiber 120, the laser beam may pass along the incident direction through the respective optical fibers. Subsequently, the laser beam is transmitted straight to the irradiation target at the end of the front irradiation optical fiber 110 in the same direction as the incident direction, while the laser beam is reflected laterally by the inclined surface A at the end of the side irradiation optical fiber 120. Can be.
- the front irradiated optical fiber 110 is disposed in the center and four side irradiated optical fibers 120 are radially disposed at 90 degree intervals on the outer circumference of the front irradiated optical fiber 110 and the end of the side irradiated optical fiber 120 is If placed on the same plane, the laser beam is directed forward through the front irradiated optical fiber 110 and four laser beams are directed radially outward in the same plane through the four side irradiated optical fibers 120. This allows laser irradiation in many ways.
- FIG. 3 shows a control unit according to the first embodiment
- FIG. 4 shows a control unit according to the second embodiment
- FIG. 5 shows a control unit according to the third embodiment.
- control unit 132, 134, 136 may be connected to the bundled optical fiber probe 10 according to an exemplary embodiment.
- the controllers 132, 134, and 136 are disposed between the laser source and the bundled fiber optic probe 10 to control the irradiation direction or laser power of the laser beam passing through the front irradiation fiber 110 and the side irradiation fiber 120. Can be controlled individually
- the controller 132 of the first embodiment may include a laser beam splitter 1322, a mirror 1324, a beam switch 1326, and a lens 1328.
- the laser beam splitter 1322 means a reflector or other optical device that reflects a part of the light incident to the lens and transmits the other part, and transmits the laser beam generated from the laser source to the front irradiation fiber 110 and the side surface.
- the laser beam may be divided into the same number of laser beams as the number of the irradiation optical fibers 120, or may be transmitted through the laser beam incident on the laser beam splitter 1322.
- the reflection transmission ratio of the laser beam splitter 1322 may be adjusted, and the laser power may be adjusted by the reflection transmission ratio.
- the laser power may also be divided and transmitted through the respective optical fibers in response to the ratio of reflectance and transmittance. For example, if the reflectance and the transmittance are 50:50, the laser power can also be divided into 50:50 and transmitted through the divided optical fibers.
- the laser beam split from the laser beam splitter 1322 may reflect the laser beam through the mirror 1324 disposed adjacent to the laser beam splitter 1322 to change the path of the laser beam.
- the path of the laser beam may vary depending on the inclination angle of the mirror 1324 or the incident angle of the laser beam split from the laser beam splitter 1322.
- the mirror 1324 may not be disposed.
- the combination of the laser beam splitter 1322 and the mirror 1324 may be selected in consideration of the number of the front irradiation fiber 110 and the side irradiation fiber 120 and the reflection transmission ratio.
- the laser beam splitter 1322 and the laser beam splitter 1322 to divide the laser beam generated from the laser source into four laser beams to have separate paths;
- the mirror 1324 may be disposed.
- three laser beam splitters 1322 and two mirrors 1324 are arranged to divide the laser beam into four and have four separate paths, but the laser beam splitter 1322 and the mirror ( The number of 1324 or the arrangement of the laser beam splitter 1322 and the mirror 1324 may vary.
- a beam switch 1326 may be individually disposed to selectively block the path of the laser beam.
- the beam switch 1326 may be switched ON / OFF, and may pass the laser beam when the beam switch 1326 is ON, and block the laser beam when the beam switch 1326 is OFF.
- an optical fiber in an undesired irradiation direction can be cut off by turning off the beam switch 1326, and can be irradiated in that direction by turning on the beam switch 1326 again.
- a lens 1328 for transmitting a laser beam passing through the beam switch 1326 to the front irradiation fiber 110 or the side irradiation fiber 120 may be disposed.
- the lens 1328 may focus each of the divided laser beams to form a focal point.
- the cylindrical beam is provided to illustrate that the laser beam is sent to the bundled optical fiber probe 10, but the present invention is not limited thereto, and any lens capable of condensing the laser beam may be included.
- the beam switch 1326 by individually controlling the beam switch 1326, it is possible to irradiate only some of the optical fibers of the front irradiation optical fiber 110 and side irradiation optical fiber 120, it is possible to easily control the optical fibers individually in the desired irradiation direction. .
- the laser power can be controlled individually.
- control unit 134 of the second embodiment includes a scanning mirror 1342 instead of the laser beam splitter 1322 and the mirror 1324 of the control unit 132 of the first embodiment. There is a difference.
- the same configuration as that of the controller 132 of the first example will be omitted.
- the scanning mirror 1342 may be fixed to an electronic device (not shown) that performs a shaking operation to the left and right sides according to a preset program. As the electronic device shakes the scanning mirror 1342 in both the left and right directions according to a predetermined program, the laser beam incident on the scanning mirror 1342 may be reflected in both the left and right directions. Through this reflection process, the one-dimensional laser beam may be converted into the two-dimensional laser beam by the scanning mirror 1342.
- such a scanning mirror 1342 may be implemented by a polygon mirror or galvanometer mirror.
- the laser beam generated from the laser source is characterized by moving at a constant linear velocity
- the galvano mirror is characterized by moving the laser beam generated from the laser source at a constant linear velocity.
- the number of scanning mirrors 1342 may be determined according to the number of optical paths. For example, if a large number of light paths is needed, more scanning mirrors 1342 may be placed around the laser source.
- the laser beam reflected through the scanning mirror 1342 may be focused through the lens 1346.
- focusing may be achieved by focusing a laser beam of constant linear velocity reflected by the polygon mirror or a laser beam of boiling fluorescence reflected by the galvano mirror.
- the beam switch 1344 may be disposed before the lens 1346 so that the irradiation direction of the laser beam may be individually controlled and transmitted to the bundled optical fiber probe 10. If it is turned off at some beam switch 1344, the laser beam corresponding to the optical fiber may be blocked, and the power of the laser beam passing through the optical fiber may also be zero.
- the controller 136 of the third example may include a coupler 1362 capable of dividing or combining a laser beam.
- the coupler 1362 is generally an optical component that divides an optical signal from a single optical fiber into a plurality of optical fibers or aggregates an optical signal from a plurality of optical fibers into a single optical fiber.
- the coupler 1362 may have various split ratios, such as, for example, 50:50, 70:30, 80:20, and the like, and for example, one coupler 1362, such as 1x2, 1x3, 1x4, 1x5, and the like.
- the laser beam can be divided into two, three, four, five, and so on.
- the coupler 1362 may be provided with one or a plurality of couplers, and the plurality of couplers 1362 may be arranged in series or in parallel.
- a connector (not shown) may be positioned between the couplers 1362 to connect the couplers 1362 or the optical fibers to each other.
- the connector connects the optical fibers with each other or the optical fiber and the terminal device, and the optical fiber can be used in the optical fiber cord and the communication device as a detachable connection part.
- the characteristics of the function and operability may be the same as those of a mechanical connector, but the structure and type may vary.
- the laser beam may be divided into a desired number to be individually adjusted.
- the bundled optical fiber probe 10 may not only control whether the front irradiation fiber 110 and the side irradiation fiber 120 are irradiated or the irradiation direction thereof.
- the laser power passing through each of the front irradiated optical fibers 110 and the side irradiated optical fibers 120 may be adjusted.
- a glass tube (not shown) for protecting the bundled optical fiber probe 10 may be provided at an end of the bundled optical fiber probe 10 according to an exemplary embodiment.
- the glass tube is made of a material having heat resistance, chemical resistance and high optical properties such as quartz glass, the thickness may be provided to a thickness capable of withstanding impact and pressure of about 0.4mm.
- the inner diameter may be provided in a number corresponding to the outer diameter of the bundled optical fiber probe 10 so that the bundled optical fiber probe 10 can be sufficiently inserted.
- FIGS. 7A and 7B illustrate optical fibers disposed at different heights in the bundled optical fiber probe according to one embodiment
- 8 shows a metal reflective film formed on the side irradiation optical fiber.
- the front irradiated optical fiber 110 and the side irradiated optical fiber 120 may be formed in various combinations.
- a plurality of side irradiation optical fibers 120 surrounds the front irradiation optical fiber 110 with one front irradiation optical fiber 110 at the center.
- the front irradiation optical fiber 110 and the side irradiation optical fiber 120 may have the same or different diameters.
- the diameters of the front irradiation optical fiber 110 and the side irradiation optical fiber 120 may be the same, the diameters of the front irradiation optical fiber 110 and the side irradiation optical fiber 120 may be different from each other, the side irradiation optical fiber 120 Each diameter may be different. If the diameter of the side irradiation optical fiber 120 is relatively small, a relatively large number of side irradiation optical fiber 120 may be provided to surround the front irradiation optical fiber 110.
- the bundled fiber optic probe 10 may not include the front irradiation fiber 110, but may be formed of only the side irradiation fiber 120.
- Bundled optical fiber probe 10 consisting of only the side irradiation optical fiber 120 may be useful when it is necessary to laser irradiation in the other side direction except the front.
- the diameter of each of the side irradiation optical fiber 120 may be the same or different from each other.
- the shape of the bundle may vary.
- the side irradiation optical fiber 120 may be disposed at different heights.
- the laser beam passing through the side irradiation optical fiber 120 may be reflected in different planes, and thus laser irradiation may be performed in a required direction in a three-dimensional space.
- the laser beam may be irradiated forward through the front irradiation fiber 110 to two sides having different heights through the side irradiation fiber 120.
- the laser irradiation may be performed on two sides having different heights through the side irradiated optical fiber 120.
- a metal reflective film C may be formed on the inclined surface of the side irradiation optical fiber 120. This may be performed after the inclined surface is formed on the side irradiation optical fiber 120.
- the metal reflective film C may be formed by coating a reflective metal such as silver (Ag) on an inclined surface.
- a reflective metal such as silver (Ag)
- the metal elements of the periodic table are characterized by reflecting light to give an inherent metallic luster, it is natural that other metal elements such as nickel and aluminum other than silver may be included.
- the laser beam passing through the side irradiation optical fiber 120 may improve the reflectance by the metal reflective film C.
- the inclination angle B and the metal reflection film C of the side irradiation optical fiber 120 may be determined in consideration of internal total reflection to vary the angle at which the laser beam is reflected.
- FIG 9 illustrates a bundled fiber optic probe manufacturing apparatus 20 according to one embodiment.
- the bundled fiber optic probe manufacturing apparatus 20 may include an optical fiber chuck 210, a chuck fixing jig 220, a polymer tube 230, and a circle clamp 240. .
- the optical fiber chuck 210 may fix the front irradiated optical fiber or the side irradiated optical fiber, and may be rotatably mounted to the chuck fixing jig 220 which will be described later.
- the irradiation direction of the side irradiation optical fiber can be aligned by the rotation of the optical fiber chuck 210, so that the irradiation direction by the side irradiation optical fiber can be adjusted.
- the chuck fixing jig 220 is mounted to the optical fiber chuck 210 to fix the optical fiber chuck 210, and may include a hole corresponding to the number of front irradiation fibers or side irradiation fibers of the bundled optical fiber probe 10. Can be. For example, if the total number of optical fibers is five, five optical fiber chucks 210 are required to fix five optical fibers, and thus five holes are provided in the chuck fixing jig 220 to mount five optical fiber chucks 210. Should be provided.
- the polymer tube 230 may be disposed coaxially in the longitudinal direction of the optical fiber with respect to the optical fiber chuck 210.
- the polymer tube 230 is made of a soft polymer material, it can be collected by passing the optical fiber inside.
- the polymer tube 230 may minimize the optical fiber damage by the circle clamp 240 to be described later, and may protect the optical fiber from external damage when the bundled optical fiber probe 10 is manufactured.
- a circle clamp 240 may be provided to fix the polymer tube 230 or to fix the glass tube surrounding the end of the bundled optical fiber probe 10.
- the circle clamp 240 is a device that can collect and fix the optical fiber, and may be provided with a plurality of to fix the optical fiber when the optical fiber is coaxially collected and aligned. It is also possible to align the optical fiber and glass tube coaxially.
- the circle clamp 240 has an opening, so that the opening degree of the opening can be adjusted to correspond to the outer diameter of the optical fibers in the same manner as the aperture.
- the bundled optical fiber probe 10 may be manufactured as follows.
- the front irradiated optical fiber or the side irradiated optical fiber polished on the side is inserted into the optical fiber chuck 210 and fixed.
- the shape of inserting the optical fibers may be made in various ways.
- the optical fiber chuck 210 to which the optical fibers are fixed is mounted on the chuck fixing jig 220.
- the optical fiber chuck 210 may be inserted into the hole provided in the chuck fixing jig 220, and the optical fiber chuck 210 may be rotated in the hole.
- the polymer tube 230 is inserted with a bundle of front irradiated optical fibers or side irradiated optical fibers. This is to minimize the damage from the outside of the optical fiber.
- the optical fiber fitted to the polymer tube 230 passes through the circle clamp 240. Tighten the circle clamp 240 while keeping the distance between the optical fibers to move the alignment of the side irradiation optical fibers.
- the circle clamp 240 may be repositioned to be positioned on a vertical line with the chuck fixing jig 220.
- the optical fiber is monitored using an optical microscope to adjust the height of the optical fiber while rotating the optical fiber chuck 210 to fix the optical fiber chuck 210 in order to fix in the correct laser irradiation direction.
- the tip of the optical fiber can be washed with distilled water.
- the end of the cleaned optical fiber is inserted into the glass tube and the glass tube is fixed using the circle clamp 240. At this time, the position and irradiation direction of the end of the optical fiber can be checked and readjusted using a visible light laser.
- the adhesive is then applied between the glass tube and the optical fiber using a syringe for the adhesion between the optical fibers and the adhesion between the optical fiber and the glass tube.
- the adhesive can then be cured using UV and thermosetting.
- the components for aligning the bundled optical fiber probe 10 including the optical fiber chuck 210, the chuck fixing jig 220, the circle clamp 240, and the like are removed.
- the bundled optical fiber probe 10 is manufactured, and by using the bundled optical fiber probe manufacturing apparatus 20, the irradiation direction and the height of the optical fibers can be easily adjusted, and the optical fibers are damaged from external damage. I can protect it.
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Abstract
Description
Claims (12)
- 중앙에 위치된 전방조사 광섬유를 구비하고, 상기 전방조사 광섬유의 단부는 평면으로 이루어지는 전방조사부; 및측면조사 광섬유가 상기 전방조사부의 외주에 배치되며, 상기 측면조사 광섬유의 끝단에는 경사면이 형성되어 레이저 빔을 측면으로 반사시킬 수 있는 측면조사부;를 포함하고,상기 전방조사부 및 상기 측면조사부가 하나의 묶음으로 형성되는 번들형 광섬유 프로브.
- 제1항에 있어서,상기 전방조사 광섬유 및 상기 측면조사 광섬유는 개별적으로 제어될 수 있는 제어부를 더 포함하고, 상기 제어부는 레이저 조사방향 또는 레이저 파워를 개별적으로 조절할 수 있는 번들형 광섬유 프로브.
- 제1항에 있어서,상기 제어부는 전방조사 광섬유 및 측면조사 광섬유의 수와 동일한 수의 레이저 빔으로 분할하는 레이저 빔 분할기, 상기 레이저 빔의 경로를 선택적으로 차단할 수 있는 빔 스위치 및 상기 빔 스위치를 통과한 레이저 빔을 상기 전방조사 광섬유 또는 측면조사 광섬유로 보내는 렌즈를 포함하는 번들형 광섬유 프로브.
- 제1항에 있어서,상기 제어부는 상기 레이저 빔을 분할 및 결합시킬 수 있는 커플러를 포함하며, 상기 커플러는 복수 개를 구비하여 직렬 또는 병렬로 배치될 수 있는 번들형 광섬유 프로브.
- 제1항에 있어서,상기 측면조사 광섬유들의 경사면은 서로 다른 각도로 이루어질 수 있으며, 상기 레이저의 내부 전반사를 고려하여 경사면의 각도가 선택될 수 있는 번들형 광섬유 프로브.
- 제1항에 있어서,상기 측면조사 광섬유들의 경사면에 반사 금속을 코팅하여 금속 반사막을 형성함으로써 레이저 조사 각도를 변화시킬 수 있는 번들형 광섬유 프로브.
- 제1항에 있어서,상기 전방조사 광섬유 또는 상기 측면조사 광섬유는 서로 다른 직경을 가지거나, 서로 다른 높이에 위치될 수 있는 번들형 광섬유 프로브.
- 제1항에 있어서,상기 프로브의 단부를 감싸는 글래스 튜브를 더 포함할 수 있으며, 상기 글래스 튜브의 내경이 상기 프로브의 외경에 대응하도록 구비되는 번들형 광섬유 프로브.
- 전방조사 광섬유 또는 측면조사 광섬유를 고정시키는 광섬유 척;상기 광섬유 척을 고정시키도록 상기 광섬유 척에 장착되는 척 고정 지그; 및상기 폴리머 튜브를 고정시키거나 상기 광섬유의 단부를 감싸는 글래스 튜브를 고정시킬 수 있는 서클 클램프;를 포함하는 번들형 광섬유 프로브 제조장치.
- 제9항에 있어서,상기 광섬유의 길이방향에 동축으로 배치되고, 내부로 상기 광섬유를 통과시켜 상기 광섬유를 모아주는 폴리머 튜브를 포함하는 번들형 광섬유 프로브 제조장치.
- 제9항에 있어서,상기 광섬유 척은 회전가능하게 상기 척 고정 지그에 장착되고, 상기 광섬유 척의 회전에 의해 상기 측면조사 광섬유에 의한 조사방향을 조절할 수 있는 번들형 광섬유 프로브 제조장치.
- 제9항에 있어서,상기 척 고정 지그에는 상기 광섬유들의 개수에 대응하는 구멍을 구비하는 번들형 광섬유 프로브 제조장치.
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KR101873443B1 (ko) * | 2016-04-21 | 2018-07-02 | 주식회사 엔도비전 | 번들형 광섬유 프로브 제조장치 |
JP2020511201A (ja) * | 2017-02-28 | 2020-04-16 | アルコン インコーポレイティド | 簡易先端構造を有するマルチファイバマルチスポットレーザプローブ |
WO2018220488A1 (en) | 2017-05-30 | 2018-12-06 | Novartis Ag | Multi-fiber multi-spot laser probe with articulating beam separation |
US10845549B2 (en) | 2018-02-08 | 2020-11-24 | Canon U.S.A., Inc. | Multiplex optical fiber connector |
CN108776377A (zh) * | 2018-08-15 | 2018-11-09 | 中国电子科技集团公司第三十四研究所 | 一种反射式双光纤传感探头及制备方法 |
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US20160062041A1 (en) | 2016-03-03 |
CN105074519A (zh) | 2015-11-18 |
US9829634B2 (en) | 2017-11-28 |
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