A clamp for preparing a quartz optical fiber sample and a system thereof

Abstract

The utility model provides a kind of clamp and system for preparing quartz optical fiber sample. The clamp for preparing quartz optical fiber sample includes bottom plate, and first through-hole is opened in bottom plate;Top plate, bottom plate is oppositely arranged, and second through-hole is opened in top plate;Ceramic ferrule includes ceramic core and flange located at the outer periphery of ceramic core, and the both ends of ceramic core are inserted in first through-hole and second through-hole respectively, and flange is clamped between bottom plate and top plate, and detection hole for accommodating quartz optical fiber sample is provided in ceramic core. The clamp for preparing quartz optical fiber sample proposed in the utility model can realize batch production of sample, greatly improve sample production efficiency, and also solve the problem of position deviation of optical fiber during resin curing process.

Description

Technical Field

[0001] This utility model relates to the field of quartz optical fiber testing technology, and in particular to a fixture and system for preparing quartz optical fiber samples. Background Technology

[0002] In the compositional testing of quartz optical fibers, the accuracy of the test is highly dependent on the sample preparation. The main influencing factor is whether the carbon spraying effect of the sample meets the requirements; it cannot be too thick, affecting electron excitation, nor too thin, affecting conductivity. Common communication optical fibers typically have a diameter of 125 μm, which is very small compared to the size of normal quartz materials, further increasing the difficulty of carbon spraying.

[0003] To better measure this small material, silica optical fiber, the commonly used method is resin embedding: the optical fiber sample is impregnated and encapsulated in liquid resin, and then the resin is polymerized by heating or adding a catalyst, eventually solidifying into a hard, transparent plastic block. The test surface of the optical fiber is then ground and polished to a smooth surface before carbon spraying. This sample preparation method ensures effective carbon spraying, but it is time-consuming and cannot prevent the optical fiber from shifting during resin curing. Furthermore, this method cannot prepare multiple optical fiber samples simultaneously. Utility Model Content

[0004] The main purpose of this invention is to provide a fixture and system for preparing quartz optical fiber samples, which aims to facilitate the batch production of optical fiber samples and improve sample production efficiency.

[0005] To achieve the above objectives, this utility model provides a fixture for preparing quartz optical fiber samples, comprising: The base plate has a first through hole. A top plate is disposed opposite to the bottom plate, and a second through hole is provided on the top plate; A ceramic ferrule includes a ceramic core and a flange located on the outer periphery of the ceramic core. The two ends of the ceramic core are respectively inserted into a first through hole and a second through hole. The flange is clamped between the bottom plate and the top plate. The ceramic core is provided with a detection hole for accommodating a quartz optical fiber sample.

[0006] Preferably, both the top plate and the bottom plate include a support portion and two connecting portions located on both sides of the support portion. The first through hole and the second through hole are provided on the support portion, and each connecting portion on the top plate is detachably connected to the corresponding connecting portion on the bottom plate.

[0007] Preferably, each of the connecting portions is provided with a threaded hole along the connection direction of the top plate and the bottom plate, the threaded hole being for fasteners to pass through.

[0008] Preferably, the side wall of the base plate has an ear plate protruding outward, and the ear plate has mounting holes for fixed connection.

[0009] Preferably, the connecting part and the supporting part are integrally formed; the end faces of the top plate and the bottom plate that are close to each other abut against the upper and lower end faces of the flange of the ceramic insert, respectively.

[0010] Preferably, multiple second through holes and multiple first through holes are provided, and the multiple first through holes and multiple second through holes are arranged in a matrix.

[0011] This utility model also proposes a system for preparing quartz optical fiber samples, including the above-mentioned fixture for preparing quartz optical fiber samples, and a base for supporting the fixture, and a sleeve that is fitted over the base and detachably connected thereto, wherein a groove is provided on the top surface of the base, and the shape of the groove is adapted to the bottom plate for the bottom of the bottom plate to be inserted.

[0012] Preferably, the base has a groove on the bottom surface opposite to its groove to adjust the installation height of the base relative to the sleeve.

[0013] Preferably, the top surface of the base is provided with a base fixing hole corresponding to the mounting hole of the base plate of the clamp, and the fastener passes through the mounting hole and the base fixing hole of the base plate to fix the base plate and the base.

[0014] Preferably, the ear plate of the clamp is fitted to the end face of the base that is close to each other.

[0015] The fixture for preparing quartz optical fiber samples proposed in this invention has the following beneficial effects: 1. By setting multiple holes on the base plate and top plate for fixing ceramic ferrules, the ferrules can be inserted between the base plate and top plate. This fixture can fix multiple optical fibers, thereby enabling carbon spraying of multiple optical fibers at one time, which improves the production efficiency of optical fiber samples and enables batch production. 2. Using this fixture to fabricate optical fiber samples can greatly improve sample fabrication efficiency compared to the existing single resin embedding method. Because the optical fiber is fixed by the ceramic ferrule, the problem of positional displacement of the optical fiber during the resin curing process can also be avoided. 3. This fixture has a compact structure, is easy to operate, and can achieve stability and consistency of fiber optic samples. 4. This fixture can be used to prepare samples for testing optical fibers of various specifications and sizes, and it has good versatility. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of the base plate in the fixture used for preparing quartz optical fiber samples according to this utility model; Figure 2This is a schematic diagram of the top plate in the fixture used to prepare quartz optical fiber samples according to this utility model; Figure 3a This is a three-dimensional structural diagram of the ceramic ferrule in the fixture used to prepare quartz optical fiber samples according to this utility model. Figure 3b This is a cross-sectional view of the ceramic ferrule in the fixture used to prepare quartz optical fiber samples according to this invention. Figure 4 This is a schematic diagram of the structure of the fixture and base used in this invention for preparing quartz optical fiber samples from one perspective. Figure 5 This is a schematic diagram of the structure of the fixture and base used in this invention for preparing quartz optical fiber samples from another perspective. Figure 6 This is a schematic diagram of the base in the system for preparing quartz optical fiber samples according to this invention, taken from one perspective. Figure 7 This is a schematic diagram of the base in the system for preparing quartz optical fiber samples, taken from another perspective. Figure 8 This is a schematic diagram of the sleeve in the system for preparing quartz optical fiber samples according to this invention; Figure 9 This is a schematic diagram of the system of this invention for preparing quartz optical fiber samples during operation.

[0017] In the diagram, 1-top plate, 11-second through hole, 2-bottom plate, 21-support part, 22-connecting part, 23-threaded hole, 24-first through hole, 25-mounting hole, 26-ear plate, 3-base, 31-groove, 32-slotted groove, 33-base fixing hole, 4-sleeve, 5-ceramic insert, 51-ceramic core, 511-inspection hole, 52-flange.

[0018] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0019] It should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.

[0020] It should be noted that in the description of this utility model, the terms "lateral," "longitudinal," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used solely for the convenience of describing this utility model and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0021] This invention proposes a fixture for preparing quartz optical fiber samples.

[0022] Reference Figures 1 to 3b In this preferred embodiment, a fixture for preparing a quartz fiber sample includes: a base plate 2, a top plate 1, and a ceramic ferrule 5. The base plate 2 has a first through hole 24; the top plate 1 is disposed opposite to the base plate 2, and has a second through hole 11; the ceramic ferrule 5 includes a ceramic core 51 and a flange 52 located on the outer periphery of the ceramic core 51, with both ends of the ceramic core 51 inserted into the first through hole 24 and the second through hole 11 respectively, the flange 52 clamped between the base plate 2 and the top plate 1, and a detection hole 511 for accommodating the quartz fiber sample provided inside the ceramic core 51.

[0023] Reference Figure 3a and Figure 3b The ceramic core 51 and flange 52 of the ceramic insert 5 can be integrally formed or separately formed, and this utility model does not limit them in this regard.

[0024] Multiple second through holes 11 on the top plate 1 and multiple first through holes 24 on the bottom plate 2 are provided. The end faces of the top plate 1 and the bottom plate 2 that are close to each other abut against the upper and lower end faces of the flange 52 of the ceramic ferrule 5, respectively. The figure shows an example with nine through holes on the top plate 1 and the bottom plate 2, which allows for the fixing of nine optical fibers at once. The first through holes 11 on the top plate 1 and the second through holes 24 on the bottom plate 2 are transitionally fitted with the ceramic ferrule 5 to facilitate the removal and disassembly of the ceramic ferrule 5.

[0025] Furthermore, in this embodiment, referring to Figure 1 The top plate 1 and the bottom plate 2 are also provided with threaded holes 23 for fasteners to pass through (the figure shows two threaded holes 23 as an example). The two plates can be detachably connected by fasteners passing through the threaded holes 23. At least two threaded holes 23 are provided to ensure a stable connection between the top plate 1 and the bottom plate 2.

[0026] In this embodiment, the multiple first through holes 24 and second through holes 11 are arranged in a matrix, that is, multiple rows and multiple columns are set to facilitate uniform carbon spraying in the future.

[0027] Furthermore, referring to Figure 4 and Figure 5 The base plate 2 has outwardly protruding ear plates 26 on its sidewall. Mounting holes 25 are provided on the ear plates 26, through which fasteners pass to fix the base plate 2 to the base 3. The ear plates 26 are integrally formed with the base plate 2. At least two ear plates 26 are provided, respectively located on opposite sides of the sidewall of the base plate 2, to stably fix the base plate 2 to the base 3.

[0028] 5. Specifically, in this embodiment, reference is made to... Figure 1 and Figure 2 Both the top plate 1 and the bottom plate 2 include a cuboid support portion 21 and two connecting portions 22 located on both sides of the support portion 21. The connecting portions 22 are cylindrical. The support portion 21 and the connecting portions 22 are smoothly connected. A threaded hole 23 is located on the connecting portion 22. An ear plate 26 is fixed to the outer wall of the support portion 21. A first through hole 24 and a second through hole 11 are provided on the support portion 21. Each connecting portion 22 on the top plate 1 is detachably connected to a corresponding connecting portion 22 on the bottom plate 2.

[0029] Of course, in other variations, the bottom plate 2 and the top plate 1 can also adopt other structures, as long as they are provided with through holes and threaded holes 23. This utility model does not limit this.

[0030] In this embodiment, the top plate 1 and the bottom plate 2 have the same external dimensions, the only difference being that the height of the top plate 1 is greater than the height of the bottom plate 2.

[0031] Furthermore, the connecting part 22 and the supporting part 21 are integrally formed, thereby simplifying the manufacturing process of the top plate 1 and the bottom plate 2. The top plate 1 and the bottom plate 2 can be made of aluminum alloy, and the bottom plate 2 and the top plate 1 are formed by machining.

[0032] The working process of this fixture used for preparing quartz optical fiber samples is as follows.

[0033] First, insert the optical fiber into the ceramic ferrule 5. According to the position of the second through hole 11 on the base plate 2, insert all the ceramic ferrules 5 one by one into the second through hole 11, ensuring that the ceramic ferrules 5 are inserted vertically. Then, cover with the top plate 1, aligning its first through hole 11 with the upper end of the ceramic ferrule 5. Next, insert the fasteners into the threaded holes 23 of the top plate 1 and the base plate 2 to fix them together, ensuring that the ceramic ferrules 5 are pressed down by the base plate 2 and the top plate 1, preventing displacement during equipment movement. Finally, perform carbon spraying on this fixture. The specifications of the ceramic ferrules 5 can be adjusted according to the size of the optical fiber sample to be tested, thus enabling the measurement of various sizes of optical fibers using the same set of fixtures.

[0034] When carbon spraying is performed on the optical fiber, since all the ceramic ferrules 5 clamp the optical fiber, the end face of the optical fiber is exposed through the second through hole 11 on the top plate 1. Carbon spraying is performed on one side of the top surface of the top plate 1, thereby achieving carbon spraying on the end face of the optical fiber clamped by the ceramic ferrules 5.

[0035] The fixture for preparing quartz optical fiber samples proposed in this embodiment has the following beneficial effects: 1. By setting multiple holes on the base plate 2 and top plate 1 for fixing the ceramic ferrule 5, the ceramic ferrule 5 can be inserted between the base plate 2 and top plate 1. This fixture can fix multiple optical fibers, thereby enabling carbon spraying of multiple optical fibers at one time, which improves the production efficiency of optical fiber samples and enables batch production. 2. Using this fixture to fabricate optical fiber samples can greatly improve sample fabrication efficiency compared to the existing single resin embedding method. Because the optical fiber is fixed by the ceramic ferrule 5, the problem of position displacement of the optical fiber during the resin curing process can also be avoided. 3. This fixture has a compact structure, is easy to operate, and can achieve stability and consistency of fiber optic samples. 4. This fixture can be used to prepare samples for testing optical fibers of various specifications and sizes, and it has good versatility.

[0036] This invention also proposes a system for preparing quartz optical fiber samples.

[0037] Reference Figures 6 to 9 In this preferred embodiment, a system for preparing quartz fiber samples includes a fixture for preparing the quartz fiber samples, a base 3 for supporting the fixture, and a sleeve 4 that is fitted over and detachably connected to the base 3. The top surface of the base 3 has a groove 31, the shape of which is adapted to the bottom plate 1 for insertion of the bottom of the bottom plate 1. The through holes of the top plate 1 and the bottom plate 2 are transitionally fitted with the ceramic ferrule 5. The base 3 has a cylindrical shape. The specific structure and beneficial effects of the fixture for preparing quartz fiber samples are as described in the above embodiment and will not be repeated here.

[0038] In this embodiment, the sleeve 4 and the base 3 are connected by threads. (Refer to...) Figure 8 The inner wall of sleeve 4 is provided with internal threads, see reference. Figure 6 The base 3 has external threads.

[0039] Furthermore, referring to Figure 7 A slotted groove 32 is provided on the bottom surface of the base 3 on the side opposite to its groove 31 to adjust the installation height of the base 3 relative to the sleeve 4. By rotating the slotted groove 32, the installation height of the base 3 relative to the sleeve 4 is adjusted. The height of the sleeve 4 is greater than the height of the base 3.

[0040] Because the test surface of the sample is required to be flush with the surface of the equipment platform during testing, the sample installation height can be adjusted using the base 3 and the sleeve 4.

[0041] Furthermore, referring to Figure 6 The top surface of the base 3 has base fixing holes 33 that correspond to the mounting holes 25 of the base plate 2 of the clamp. Fasteners pass through the mounting holes 25 and the base fixing holes 33 of the base plate 2 to fix the base plate 2 and the base 3 together. In this embodiment, two base fixing holes 33 are used as an example for specific explanation.

[0042] Furthermore, the ear plate 26 of the clamp is fitted with the end faces of the base 3 that are close to each other. That is, the height of the groove 31 is equal to the distance between the bottom end face of the ear plate 26 and the bottom end face of the base plate 2, so that the base plate 2 can be easily fixed on the base 3.

[0043] Reference Figure 9 The working process of this system for preparing quartz optical fiber samples is as follows: First, the base 3 and sleeve 4 are installed on the dedicated sample stage provided with the electron probe microanalyzer. The stage is a cubic structure with a cylindrical groove on it. There is a through hole at the bottom of the groove, through which the slotted groove 32 of the base 3 can be rotated. The sleeve 4 is directly placed into the cylindrical groove, flush with the stage. There are fixing screws on the side of the stage to fix the sleeve 4. After installing the sleeve 4, screw it into the base 3. Then, the optical fiber is inserted into the ceramic ferrule 5. The two ends of the ceramic ferrule 5 are inserted into the first through hole 24 and the second through hole 11, respectively. Then, the base plate 2 and the top plate 1 are tightened. Subsequently, the entire fixture is placed on the base 3, and the base plate 2 is fixedly connected to the base 3 with fasteners to fix the fixture. Finally, the slotted groove 32 of the base 3 is rotated to adjust the installation height of the optical fiber.

[0044] The system for preparing quartz optical fiber samples proposed in this utility model has the following advantages: by setting the base 3 and the sleeve 4, the installation height of the sample on the sample stage can be adjusted, thereby shortening the test time and improving the test accuracy.

[0045] The above are merely preferred embodiments of this utility model and do not limit the patent scope of this utility model. Any equivalent structural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A fixture for preparing quartz optical fiber samples, characterized in that, include: The base plate has a first through hole. A top plate is disposed opposite to the bottom plate, and a second through hole is provided on the top plate; A ceramic ferrule includes a ceramic core and a flange located on the outer periphery of the ceramic core. The two ends of the ceramic core are respectively inserted into a first through hole and a second through hole. The flange is clamped between the bottom plate and the top plate. The ceramic core is provided with a detection hole for accommodating a quartz optical fiber sample.

2. The clamp as described in claim 1, characterized in that, Both the top plate and the bottom plate include a support portion and two connecting portions located on both sides of the support portion. The first through hole and the second through hole are provided on the support portion. Each connecting portion on the top plate is detachably connected to the corresponding connecting portion on the bottom plate.

3. The clamp as described in claim 2, characterized in that, Each of the connecting parts is provided with a threaded hole along the connection direction of the top plate and the bottom plate, the threaded hole being used for fasteners to pass through.

4. The clamp as described in claim 1, characterized in that, The side wall of the base plate has an ear plate protruding outward, and the ear plate has mounting holes for fixed connection.

5. The clamp as described in claim 2, characterized in that, The connecting part and the supporting part are integrally formed; the end faces of the top plate and the bottom plate that are close to each other abut against the upper and lower end faces of the flange of the ceramic insert, respectively.

6. The clamp as described in any one of claims 1 to 5, characterized in that, Both the second through hole and the first through hole are provided in multiples, and the multiple first through holes and second through holes are arranged in a matrix.

7. A system for preparing quartz optical fiber samples, characterized in that, The fixture for preparing quartz optical fiber samples as described in claim 4 further includes a base for supporting the fixture and a sleeve fitted over and detachably connected to the base, wherein a groove is provided on the top surface of the base, the shape of the groove being adapted to the bottom plate for insertion of the bottom of the bottom plate.

8. The system for preparing quartz optical fiber samples as described in claim 7, characterized in that, A groove is provided on the bottom surface of the base opposite to its groove to adjust the installation height of the base relative to the sleeve.

9. The system for preparing quartz optical fiber samples as described in claim 7, characterized in that, The top surface of the base is provided with a base fixing hole that corresponds to the mounting hole of the base plate of the clamp. Fasteners pass through the mounting hole and the base fixing hole of the base plate to fix the base plate and the base plate together.

10. The system for preparing quartz optical fiber samples as described in claim 7, characterized in that, The ear plate of the clamp is fitted to the end face of the base that is close to each other.

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