Reflection test adjusting device for optical fiber collimator

Abstract

The utility model is suitable for the technical field of reflection test of optical fiber collimators, and provides a reflection test adjusting device for an optical fiber collimator. The collimator bracket I and the collimator bracket II are fixed at the top of the base through bolts, and the collimator bracket I is positioned on one side of the collimator bracket II; the collimator I is fixed on the inner side wall of the collimator bracket I in a penetrating manner; the input optical fiber is embedded into one end of the collimator I; the collimator II is fixed on the inner side wall of the collimator bracket II in a penetrating manner; the output optical fiber is embedded into one end of the collimator II; the light detector detects the light quantity of the reflection grating and the first collimator at different included angles, the optimal reflection angle of the reflection grating can be detected, the maximum light quantity can be reflected out along the required reflection angle, the second collimator can effectively detect the light emitted by the first collimator, and the detection efficiency is improved. And input and output of optical fiber signals are realized.

Description

Technical Field

[0001] This utility model belongs to the field of optical fiber collimator reflection testing technology, and in particular relates to a reflection testing adjustment device for optical fiber collimators. Background Technology

[0002] An optical fiber collimator is precisely positioned by a pigtail and a self-focusing lens. It can convert the transmitted light in the optical fiber into collimated light, or couple external parallel light into a single-mode optical fiber.

[0003] When performing reflection tests on an optical fiber collimator, it is necessary to test the angle at which the light emitted by the optical fiber collimator is reflected to the maximum extent, so as to facilitate the installation of another optical fiber collimator and thus realize the input and output of optical fiber signals.

[0004] Therefore, a reflection test adjustment device for fiber optic collimators is proposed. Utility Model Content

[0005] This invention provides a reflection testing and adjustment device for an optical fiber collimator, which aims to solve the above-mentioned problems.

[0006] This utility model is implemented as follows: a reflection testing and adjustment device for an optical fiber collimator, comprising: a base; a collimator support one and a collimator support two fixed to the top of the base by bolts, the collimator support one being located on one side of the collimator support two; a collimator one fixed through the inner wall of the collimator support one; an input optical fiber embedded at one end of the collimator one; a collimator two fixed through the inner wall of the collimator support two; an output optical fiber embedded at one end of the collimator two; a fixing frame fixed to the top of the base near the collimator support one by bolts; and the fixing frame being fixed by bolts. A stepper motor at the top; a reflective grating fixed to the output end of the stepper motor; a servo motor fixed to the outer wall of the base by bolts; a ball screw fixed to the output end of the servo motor; a movable plate fixed to the nut seat on the ball screw by screws; an electric push rod fixed to the top of the movable plate by bolts; a lifting plate fixed to the output end of the electric push rod; a lens bracket and a photodetector bracket fixed to the top of the lifting plate by bolts, the lens bracket being located on one side of the photodetector bracket; a lens embedded in the inner wall of the lens bracket; and a photodetector embedded in the inner wall of the photodetector bracket.

[0007] Preferably, the collimator one and collimator two convert the transmitted light in the optical fiber into collimated light, and the two collimated beams are in a mutually perpendicular state.

[0008] Preferably, the movable plate and the base are slidably connected by a slider and a groove.

[0009] Preferably, there are four electric push rods, and the four electric push rods are symmetrically arranged on the top of the moving plate.

[0010] Preferably, the reflective grating and the mounting frame are rotatably connected.

[0011] Preferably, both the lens holder and the photodetector holder have a semi-circular groove on their tops.

[0012] Preferably, the photodetector consists of a photomultiplier tube, a thermoelectric detector, and a photodiode.

[0013] Compared with the prior art, the embodiments of this application have the following main advantages:

[0014] By detecting the amount of light emitted by the reflective grating and collimator one at different angles, the optimal reflection angle of the reflective grating can be detected, thus facilitating the reflection of the maximum amount of light along the required reflection angle. This allows collimator two to effectively detect the light emitted by collimator one, thereby enabling the input and output of fiber optic signals. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the base structure of this utility model;

[0017] Figure 3 This is a schematic diagram of the cooperative structure of the movable plate and the lifting plate of this utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the fixed frame and the reflective grating of this utility model.

[0019] In the diagram: 1. Base; 2. Collimator bracket one; 3. Collimator bracket two; 4. Collimator one; 5. Input fiber; 6. Collimator two; 7. Output fiber; 8. Fixing frame; 9. Stepper motor; 10. Reflecting grating; 11. Servo motor; 12. Ball screw; 13. Moving plate; 14. Electric push rod; 15. Lifting plate; 16. Lens bracket; 17. Photodetector bracket; 18. Lens; 19. Photodetector. Detailed Implementation

[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein in the specification of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having," and any variations thereof, in the specification, claims, and foregoing drawings of this application are intended to cover non-exclusive inclusion. The terms "first," "second," etc., in the specification, claims, or foregoing drawings of this application are used to distinguish different objects, not to describe a particular order.

[0021] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0022] This utility model provides a reflection testing and adjustment device for an optical fiber collimator, such as... Figure 1-4 As shown, the system includes a base 1. Collimator bracket 1 2 and collimator bracket 2 3 are bolted to the top of the base 1. Collimator bracket 1 2 is located on one side of collimator bracket 2 3, and collimator 1 4 passes through its interior. An input fiber 5 is embedded at one end of collimator 1 4. Collimator 2 6 passes through the interior of collimator bracket 2 3, and an output fiber 7 is embedded at one end of collimator 2 6. A mounting bracket 8 is bolted to the top of the base 1 near collimator bracket 1 2. A stepper motor 9 is bolted to the top of the mounting bracket 8. A reflective grating 10 is fixedly connected to the stepper motor 9 via its output end. The reflective grating 10 and the mounting bracket 8 are rotatably connected. A servo motor 11 is bolted to the outer wall of one side of the base 1. The servo motor 11... A ball screw 12 is fixedly connected to the output end on the side. A moving plate 13 is fixedly connected to the nut seat on the ball screw 12 by screws. The moving plate 13 and the base 1 are slidably connected by a slider and a groove. An electric push rod 14 is fixedly connected to the top of the moving plate 13 by bolts. There are four electric push rods 14, and the four electric push rods 14 are symmetrically arranged on the top of the moving plate 13. A lifting plate 15 is fixedly connected to the output end on one side of the electric push rod 14. A lens bracket 16 and a photodetector bracket 17 are fixedly connected to the top of the lifting plate 15 by bolts. The lens bracket 16 is located on one side of the photodetector bracket 17. A semi-circular groove is opened on the top of both the lens bracket 16 and the photodetector bracket 17. A lens 18 is embedded and fixed in the top of the lens bracket 16, and a photodetector 19 is embedded and fixed in the top of the photodetector bracket 17.

[0023] It should be noted that when performing a reflection test on the fiber optic collimator, it is necessary to test the angle at which the maximum amount of light emitted by the fiber optic collimator is reflected. This facilitates the installation of another fiber optic collimator, thereby enabling the input and output of fiber optic signals. In this embodiment, the photodetector 19 detects the amount of light between the reflection grating 10 and collimator 4 at different angles. This allows the detection of the optimal reflection angle of the reflection grating 10, ensuring that the maximum amount of light is reflected along the required reflection angle. This facilitates the collimator 6 in effectively detecting the light emitted by collimator 4, thereby enabling the input and output of fiber optic signals.

[0024] Specifically, in this embodiment, the solution mainly includes a reflective grating 10, a lens 18, and a photodetector 19. In use, after collimator 1 4 and collimator 2 6 are installed, the input fiber optic signal is input to collimator 1 4 via the input fiber optic 5. Collimator 1 4 directs the light onto the reflective grating 10, which reflects the light. The light after the reflective grating 10 passes through the lens 18 and then illuminates the photodetector 19. The photodetector 19 detects the amount of light. During detection, the height of the photodetector 19 is adjusted to ensure it is on the same horizontal axis as collimator 2 6. The servo motor 11 drives the ball screw 12 to rotate through its output terminal on one side. The movable plate 13 moves on the base 1, and the electric push rod 14 drives the lifting plate 15 to rise and fall through its output end on one side, thereby realizing the adjustment of the lens 18 and the photodetector 19 in the horizontal and vertical directions, so that the photodetector 19 and the collimator 6 are on the same horizontal axis. After the adjustment is completed, the stepper motor 9 drives the reflective grating 10 to rotate through its output end on one side. The reflective grating 10 reflects the light emitted by the collimator 4. By adjusting the angle of the reflective grating 10, the reflection angle can be adjusted. By using the photodetector 19 to detect the amount of light, the optimal reflection position of the reflective grating 10 can be detected, thereby testing the reflection angle.

[0025] In a further preferred embodiment of this utility model, such as Figure 1 As shown, collimator 4 and collimator 6 convert the transmitted light in the optical fiber into collimated light, and the two collimated beams are in a state of mutual perpendicularity.

[0026] In this embodiment, the ability of light reflection to be redirected can be detected by using collimators 4 and 6, which are perpendicular to each other, thereby enabling collimators 4 and 6 to be installed in a staggered manner, which facilitates subsequent applications.

[0027] In a further preferred embodiment of this utility model, such as Figure 1 and Figure 3 As shown, the photodetector 19 consists of a photomultiplier tube, a thermoelectric detector, and a photodiode.

[0028] In this embodiment, the amount of light can be detected by the photodetector 19, which makes it easier to adjust the reflective grating 10 to the optimal reflection angle.

[0029] It should be noted that, for the sake of simplicity, the foregoing embodiments are all described as a series of actions. However, those skilled in the art should understand that the present invention is not limited to the described order of actions, as some steps may be performed in other orders or simultaneously according to the present invention. Furthermore, those skilled in the art should also understand that the embodiments described in the specification are preferred embodiments, and the actions and modules involved are not necessarily essential to the present invention.

[0030] It should be understood that the disclosed apparatus can be implemented in other ways, given the several embodiments provided in this application. For example, the apparatus embodiments described above are merely illustrative. For instance, the division of units described above may be implemented in other ways in practice. For example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Furthermore, the coupling or communication connections shown or discussed may be through some interfaces; indirect coupling or communication connections between devices or units may be telecommunications or other forms.

[0031] The units described above as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the units can be selected to achieve the purpose of this embodiment according to actual needs.

[0032] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit the scope of protection of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on these embodiments, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model. Although this utility model has been described in detail with reference to the above embodiments, those skilled in the art can still combine, add, delete, or otherwise adjust the features of the various embodiments of this utility model according to the circumstances without conflict or creative effort, thereby obtaining different technical solutions that do not fundamentally depart from the concept of this utility model. These technical solutions are also within the scope of protection of this utility model.

Claims

1. A reflection testing and adjustment device for an optical fiber collimator, characterized in that, include: Base (1); Collimator bracket one (2) and collimator bracket two (3) are fixed to the top of the base (1) by bolts, with collimator bracket one (2) located on one side of collimator bracket two (3); Collimator 1 (4) is fixed through the inner wall of the collimator bracket 1 (2); An input optical fiber (5) is embedded at one end of the collimator (4); Collimator 2 (6) is fixed through the inner wall of collimator bracket 2 (3); The output optical fiber (7) is embedded at one end of the collimator (6); The mounting bracket (8) is fixed to the top of the base (1) near the collimator bracket (2) by bolts; A stepper motor (9) is fixed to the top of the mounting bracket (8) by bolts; A reflective grating (10) fixed to the output end of the stepper motor (9); A servo motor (11) is fixed to the outer wall of the base (1) by bolts; A ball screw (12) fixed to the output end of the servo motor (11); The movable plate (13) is fixed to the nut seat on the ball screw (12) by screws; An electric push rod (14) is fixed to the top of the movable plate (13) by bolts; A lifting plate (15) fixed to the output end of the electric push rod (14); The lens bracket (16) and the photodetector bracket (17) are fixed to the top of the lifting plate (15) by bolts, with the lens bracket (16) located on one side of the photodetector bracket (17). The lens (18) is embedded in the inner wall of the lens holder (16); A photodetector (19) is embedded in the inner wall of the photodetector bracket (17).

2. The reflection testing and adjustment device for an optical fiber collimator as described in claim 1, characterized in that, The collimator one (4) and collimator two (6) convert the transmitted light in the optical fiber into collimated light, and the two collimated beams are in a state of mutual perpendicularity.

3. The reflection testing and adjustment device for an optical fiber collimator as described in claim 1, characterized in that, The movable plate (13) and the base (1) are slidably connected by a slider and a groove.

4. The reflection testing and adjustment device for an optical fiber collimator as described in claim 1, characterized in that, There are four electric push rods (14), and the four electric push rods (14) are symmetrically arranged on the top of the moving plate (13).

5. The reflection testing and adjustment device for an optical fiber collimator as described in claim 1, characterized in that, The reflective grating (10) and the fixing frame (8) are rotatably connected.

6. The reflection testing and adjustment device for an optical fiber collimator as described in claim 1, characterized in that, The top of both the lens holder (16) and the photodetector holder (17) is provided with a semi-circular groove.

7. The reflection testing and adjustment device for an optical fiber collimator as described in claim 1, characterized in that, The photodetector (19) consists of a photomultiplier tube, a thermoelectric detector and a photodiode.

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