Mechanism for simultaneously detecting end faces by double light mirrors of polarization maintaining optical fiber fusion splicer
By designing a staggered double-lens detection end-face mechanism in the polarization-controlled fiber welding machine, a single-sided reflector reflects the light signal to the center of the lens, and combining with the CMOS photoelectric conversion circuit, the problem of poor imaging effect during fiber welding is solved. Achieve higher imaging accuracy.
Patent Information
- Application Number
- CN202421272120.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Priority Date
- 2024-02-29
- Filing Date
- 2024-06-05
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2034-06-05
AI Technical Summary
During the welding process of polarization-controlled optical fibers, the imaging effect of the fiber end surface is poor, and the prior art is difficult to ensure accurate reflection of optical signals, resulting in poor imaging effects.
Design a double-lens detection end face mechanism of a polarization-resistant fiber welding machine, including a first lens module and a second lens module, staggered and equipped with a single-sided reflector, the light signal is reflected to the center of the lens through the reflector, combined with CMOS The photoelectric conversion circuit is aligned.
Accurate imaging of optical signals is achieved and the imaging quality during welding is improved.
Smart Images
Figure CN222232719U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of optical fiber fusion splicing, in particular to a mechanism for simultaneously detecting end faces of a double optical mirror of a polarization-maintaining optical fiber fusion splicer. Background Art
[0002] Polarization-maintaining optical fiber transmits linearly polarized light and is widely used in various fields of the national economy, such as aerospace, aviation, navigation, industrial manufacturing technology, and communications. The structure of polarization-maintaining optical fiber is more complex than that of ordinary optical fiber. The structure of polarization-maintaining optical fiber mainly includes elliptical cladding type, bowtie type, and panda type, which are three widely used types of polarization-maintaining optical fibers, all of which belong to stress-type polarization-maintaining optical fibers. Therefore, during the fusion splicing process, it is difficult to accurately align the two optical fibers. In the existing technology, it is difficult to ensure that the optical fiber signals of the two optical fibers are reflected in the center of the reflector lens, so that the final imaging effect is poor. Utility Model Content
[0003] The purpose of the utility model is to solve the problem that the optical fiber end face imaging effect is not good during the polarization-maintaining optical fiber fusion splicing process in the prior art.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a mechanism for a polarization-maintaining fiber fusion splicer with two mirrors for simultaneously detecting end faces, comprising: a first lens module and a second lens module, wherein the first lens module and the second lens module are staggered; a single-sided mirror one is arranged in front of the first lens module, and an optical signal in an optical fiber on one side is reflected to a lens of the first lens module through the single-sided mirror one; a single-sided mirror two is arranged in front of the second lens module, and an optical signal in an optical fiber on the other side is reflected to a lens of the second lens module through the single-sided mirror two.
[0005] As a further solution of the present invention: the first lens module and the second lens module have lenses at the front end and a CMOS photoelectric conversion circuit board at the rear end.
[0006] As a further solution of the utility model: the one-way reflector 1 and the one-way reflector 2 are both in the shape of a cuboid, and the angle between them and the incident direction of the optical fiber is 45 degrees.
[0007] Compared with the prior art, the beneficial effects of the utility model are:
[0008] In the utility model, the first lens module and the second lens module are staggered and the first single-sided reflector and the second single-sided reflector are arranged at the same time, so that the light signal emitted from the optical fiber can be reflected by the single-sided reflector and then captured in the center of the lens, and the imaging is accurate. BRIEF DESCRIPTION OF THE DRAWINGS
[0009] Figure 1It is a structural schematic diagram of a double-sided reflector of a double-end-face imaging three-lens mechanism of a polarization-maintaining optical fiber fusion splicer described in the utility model when it is rising;
[0010] In the figure: 11, lens 1, 12, CMOS photoelectric converter, 21, lens 2, 22, CMOS photoelectric converter, 3, single-sided mirror 1, 4, single-sided mirror 2. DETAILED DESCRIPTION
[0011] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0012] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation of the present utility model. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal connection of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. The following is an explanation of the embodiments of the present utility model based on the overall structure of the present utility model.
[0013] Reference Figure 1In an embodiment of the utility model, a mechanism for simultaneously detecting the end face of a polarization-maintaining optical fiber fusion splicer with dual optical mirrors includes a first lens module and a second lens module. The first lens module and the second lens module are staggered. The front end of the first lens module is a lens 11, and the rear end is a CMOS photoelectric converter 12. The front end of the second lens module is a lens 21, and the rear end is a CMOS photoelectric converter 22. A single-sided reflector 13 is arranged in front of the first lens module. The optical signal in the optical fiber on one side is reflected to the lens 11 of the first lens module through the single-sided reflector 13. A single-sided reflector 24 is arranged in front of the second lens module. The optical signal in the optical fiber on the other side is reflected to the lens 22 of the second lens module through the single-sided reflector 24. After the optical signal is reflected into the lens, the optical signal is converted into an electrical signal by a CMOS photoelectric conversion circuit. The alignment mechanism of the optical fiber fusion splicer is used to align the optical signal by analyzing the electrical signal. The alignment mechanism of the optical fiber fusion splicer is well known to those skilled in the art. It is not within the scope of protection of this patent and will not be described in detail herein.
[0014] The one-way reflector 1 3 and the one-way reflector 2 4 are both in the shape of a cuboid, and the angle between them and the incident direction of the optical fiber is 45 degrees.
[0015] In the utility model, the first lens module and the second lens module are staggered and the first single-sided reflector and the second single-sided reflector are arranged at the same time, so that the light signal emitted from the optical fiber can be reflected by the single-sided reflector and then captured in the center of the lens, and the imaging is accurate.
[0016] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A mechanism for simultaneously detecting the end face of a polarization-maintaining optical fiber fusion splicer with two optical mirrors, characterized in that: include: A first lens module and a second lens module, wherein the first lens module and the second lens module are staggered. A single-sided mirror one is arranged in front of the first lens module, and the light signal in the optical fiber on one side is reflected to the lens of the first lens module through the single-sided mirror one. A single-sided mirror two is arranged in front of the second lens module, and the light signal in the optical fiber on the other side is reflected to the lens of the second lens module through the single-sided mirror two.
2. According to claim 1, a mechanism for simultaneously detecting end faces with dual optical mirrors of a polarization-maintaining optical fiber fusion splicer is characterized in that: The first lens module and the second lens module have a lens at the front end and a CMOS photoelectric conversion circuit board at the rear end.
3. According to claim 1, a mechanism for simultaneously detecting end faces with dual optical mirrors of a polarization-maintaining optical fiber fusion splicer is characterized in that: The one-way reflector 1 and the one-way reflector 2 are both in the shape of a cuboid, and the angle between them and the incident direction of the optical fiber is 45 degrees.