CN212647056U - Farad-induced rotating mirror packaging structure with better shock resistance and drop resistance - Google Patents
Farad-induced rotating mirror packaging structure with better shock resistance and drop resistance Download PDFInfo
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- CN212647056U CN212647056U CN202021210665.2U CN202021210665U CN212647056U CN 212647056 U CN212647056 U CN 212647056U CN 202021210665 U CN202021210665 U CN 202021210665U CN 212647056 U CN212647056 U CN 212647056U
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Abstract
The utility model provides a better Faraday rotation mirror packaging structure of antidetonation, anti falling performance, includes main part chip, protection tube, crooked protection portion, the main part chip is established in the protection tube, the protection tube is one end open-ended hollow tube, crooked protection portion establishes at protection tube opening tip. Antidetonation, anti falling better Faraday rotation mirror packaging structure of performance, in the protective tube including the cooperation is sealed optical communication main part chip completely through protection tube and crooked protection part, it is fixed to bond with bonding glue between each part of magnetic ring structure, self-focusing lens and tail optical fiber, utilize high strength bonding glue to fill simultaneously between each part and protection tube, protect each part, improve packaging structure's antidetonation and anti falling simultaneously, protect Faraday rotation mirror.
Description
Technical Field
The utility model belongs to the technical field of packaging structure, in particular to better faraday rotating mirror packaging structure of antidetonation, anti-falling performance.
Background
Fiber optic interferometers, instruments for optical phenomenon interference. The interference phenomenon is an optical basic phenomenon, and the optical interference realized by using the optical fiber is an important application of the optical interference phenomenon. Due to the fact that the optical fiber replaces the lens system. The light path is flexible, the shape can be changed at will, the transmission distance is long, and the interferometer can be suitable for various severe environments with strong electromagnetic interference, flammability, explosiveness and the like, so that interferometers with various structures and a plurality of functional devices such as an optical fiber gyroscope, an optical switch, an optical positioning device, a Faraday Rotator Mirror (FRM) and the like can be constructed, and the interferometer has wide application prospect.
At present, an optical fiber interferometer product generally comprises a coupler and an FRM (field-programmable mirror), wherein the FRM is a passive device capable of rotating input light by 90 degrees in polarization state. Such a rotating mirror has excellent properties including as low insertion loss as possible and environmental stability. It has very wide application in optical fiber amplifier, optical fiber laser and other optical fiber instruments. The existing FRM packaging structure has certain defects, such as poor shock resistance and drop resistance, which result in low reliability of the product, and the product can meet the performance requirements under conventional conditions, but can not meet the shock resistance and drop resistance under severe conditions.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: in order to overcome the defects, the utility model aims to provide a better Faraday rotation mirror packaging structure of antidetonation, anti-falling performance.
The technical scheme is as follows: the utility model provides a better Faraday rotation mirror packaging structure of antidetonation, anti falling performance, includes main part chip, protection tube, crooked protection portion, the main part chip is established in the protection tube, the protection tube is one end open-ended hollow tube, crooked protection portion establishes at protection tube opening tip. Antidetonation, anti falling better Faraday rotation mirror packaging structure of performance, in the protective tube including the cooperation is sealed optical communication main part chip completely through protection tube and crooked protection part, it is fixed to bond with bonding glue between each part of magnetic ring structure, self-focusing lens and tail optical fiber, utilize high strength bonding glue to fill simultaneously between each part and protection tube, protect each part, improve packaging structure's antidetonation and anti falling simultaneously, protect Faraday rotation mirror.
Furthermore, according to the packaging structure of the Faraday rotation mirror with better shock resistance and drop resistance, the main chip comprises the magnetic ring structure, the self-focusing lens and the tail fiber, the magnetic ring structure is connected with the self-focusing lens, and the self-focusing lens is connected with the tail fiber. The magnetic ring structure, the self-focusing lens and the tail fiber form a main chip.
Furthermore, in the faraday rotation mirror packaging structure with better shock resistance and drop resistance, the magnetic ring structure, the self-focusing lens and the tail fiber are respectively bonded and fixed through the glue. Glue is used for bonding each part, so that direct contact of each part can be prevented, collision damage of each part in collision or falling can be prevented, the glue can play a role in buffering in collision, and the shock resistance and the falling resistance of the packaging structure are improved.
Furthermore, foretell antidetonation, anti falling better Faraday rotation mirror packaging structure of performance, crooked protection portion include embedding part and protruding portion, and the embedding part is embedded into the protection tube insidely, and the protruding portion is outstanding outside the protection tube, and the protruding portion is semi-circular. The design of crooked protection portion can make crooked protection portion and protection tube more firm combination be in the same place, and semicircular can increase packaging structure's lifting surface area simultaneously, reduces the damage when falling.
Furthermore, in the faraday rotation mirror packaging structure with better shock resistance and drop resistance, the bending protection part is soft glue for protection. The protective gel protects the optical fiber from being damaged by a certain lateral pulling force.
Furthermore, in the faraday rotation mirror packaging structure with better shock resistance and drop resistance, the tail fiber comprises a thin end and a thick end, the outer diameter of the thick end is 2.78mm, and the tail fiber is bonded and fixed with the protection tube through the high-strength bonding glue. The high-strength adhesive glue can increase the shock resistance of the packaging structure, and can reduce the collision between the tail fiber and the protection tube, thereby bringing the damage of the tail fiber.
Furthermore, in the faraday rotation mirror packaging structure with better shock resistance and drop resistance, the parts with gaps among the magnetic ring structure, the self-focusing lens, the tail fiber and the protection tube are filled with high-strength bonding glue. Each space is filled with high-strength bonding glue, so that damage caused by collision between each part and the protection tube can be reduced, certain shock resistance and falling resistance can be brought to the packaging structure, and the protection of the packaging structure is enhanced.
Furthermore, foretell antidetonation, anti falling better Faraday rotation mirror packaging structure of performance, the protection tube is corrosion-resistant stainless steel. The protection tube adopts corrosion-resistant stainless steel, has enlarged packaging structure's application range, also can use under extremely abominable corrosive environment, and certain crushing resistance that still provides simultaneously prolongs the life of inherent Faraday rotation mirror.
Furthermore, in the faraday rotation mirror packaging structure with better shock resistance and drop resistance, the magnetic ring structure and the front surface of the self-focusing lens are bonded and fixed by glue, and the self-focusing lens and the inclined surface of the tail fiber are bonded and fixed by glue. The properties of each part are utilized for reasonable bonding.
Furthermore, foretell antidetonation, anti falling better Faraday rotation mirror packaging structure of performance, the protection tube sealed end is equipped with the guard ring. The design of guard ring can further increase packaging structure's antidetonation and anti falling nature.
Above-mentioned technical scheme can find out, the utility model discloses following beneficial effect has: antidetonation, anti falling better Faraday rotation mirror packaging structure of performance, this packaging structure leakproofness is good, still has certain antidetonation and anti falling nature, through the packing that bonds gluey to each part bond and each part and protection tube bond, very big reinforcing packaging structure's antidetonation and anti falling nature, simultaneously, packaging structure's corrosion resistance and certain crushing resistance have been guaranteed in the use of the corrosion-resistant stainless steel material of protection tube, the experiment proves that this packaging structure's FRM anti falling performance can reach 5 m.
Drawings
Fig. 1 is a schematic structural diagram of a faraday rotator encapsulation structure with better shock resistance and drop resistance in embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of a faraday rotator encapsulation structure with better shock resistance and drop resistance in embodiment 2 of the present invention;
in the figure: the optical fiber comprises a main body chip 1, a protective tube 2, a bent protective part 3, a protective ring 4, a magnetic ring structure 11, a self-focusing lens 12, a tail fiber 13, an embedded part 31 and a protruding part 32.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Example 1
As shown in fig. 1, the package structure of faraday rotation mirror with better shock resistance and drop resistance comprises a main chip 1, a protection tube 2 and a bending protection part 3, wherein the main chip 1 is arranged in the protection tube 2, the protection tube 2 is a hollow tube with an open end, and the bending protection part 3 is arranged at the open end of the protection tube 2.
The main chip 1 comprises a magnetic ring structure 11, a self-focusing lens 12 and a tail fiber 13, wherein the magnetic ring structure 11 is connected with the self-focusing lens 12, and the self-focusing lens 12 is connected with the tail fiber 13. And the magnetic ring structure 11, the self-focusing lens 12 and the tail fiber 13 are respectively bonded and fixed by the glue. The magnetic ring structure 11 and the front surface of the self-focusing lens 12 are fixed by bonding with glue, and the self-focusing lens 12 and the inclined surface of the tail fiber 13 are fixed by bonding with glue.
In addition, the bending prevention part 3 includes an insertion part 31 and a protrusion part 32, the insertion part 31 is inserted into the protection pipe 2, the protrusion part 32 protrudes outside the protection pipe 2, and the protrusion part has a semicircular shape. The bending protection part 3 is soft glue for protection, and the protection tube 2 is made of corrosion-resistant stainless steel.
Furthermore, the pigtail 13 comprises a thin end and a thick end, the outer diameter of the thick end part being 2.78mm, and is adhesively fixed to the protective tube 2 by this high strength adhesive glue.
And then, the parts with gaps among the magnetic ring structure 11, the self-focusing lens 12, the tail fiber 13 and the protective tube 2 are filled with high-strength bonding glue.
Example 2
As shown in fig. 2, the package structure of faraday rotation mirror with better shock resistance and drop resistance comprises a main chip 1, a protection tube 2 and a bending protection part 3, wherein the main chip 1 is arranged in the protection tube 2, the protection tube 2 is a hollow tube with an open end, a protection ring 4 is arranged at the sealing end of the protection tube 2, and the bending protection part 3 is arranged at the open end of the protection tube 2.
The main chip 1 comprises a magnetic ring structure 11, a self-focusing lens 12 and a tail fiber 13, wherein the magnetic ring structure 11 is connected with the self-focusing lens 12, and the self-focusing lens 12 is connected with the tail fiber 13. And the magnetic ring structure 11, the self-focusing lens 12 and the tail fiber 13 are respectively bonded and fixed by the glue. The magnetic ring structure 11 and the front surface of the self-focusing lens 12 are fixed by bonding with glue, and the self-focusing lens 12 and the inclined surface of the tail fiber 13 are fixed by bonding with glue.
In addition, the bending prevention part 3 includes an insertion part 31 and a protrusion part 32, the insertion part 31 is inserted into the protection pipe 2, the protrusion part 32 protrudes outside the protection pipe 2, and the protrusion part has a semicircular shape. The bending protection part 3 is soft glue for protection, and the protection tube 2 is made of corrosion-resistant stainless steel.
Furthermore, the pigtail 13 comprises a thin end and a thick end, the outer diameter of the thick end part being 2.78mm, and is adhesively fixed to the protective tube 2 by this high strength adhesive glue.
And then, the parts with gaps among the magnetic ring structure 11, the self-focusing lens 12, the tail fiber 13 and the protective tube 2 are filled with high-strength bonding glue.
Test tests prove that the FRM drop resistance of the packaging structure can reach 5 m.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principles of the present invention, and these modifications should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a better Faraday rotation mirror packaging structure of antidetonation, anti falling performance which characterized in that: including main part chip (1), protection tube (2), crooked protection portion (3), establish in protection tube (2) main part chip (1), protection tube (2) are one end open-ended hollow tube, establish at protection tube (2) opening tip in crooked protection portion (3).
2. A faraday rotator mirror packaging structure with better shock and drop resistance according to claim 1, characterized in that: the main body chip (1) comprises a magnetic ring structure (11), a self-focusing lens (12) and a tail fiber (13), the magnetic ring structure (11) is connected with the self-focusing lens (12), and the self-focusing lens (12) is connected with the tail fiber (13).
3. A faraday rotator mirror packaging structure with better shock and drop resistance according to claim 2, characterized in that: the magnetic ring structure (11), the self-focusing lens (12) and the tail fiber (13) are bonded and fixed through the glue respectively.
4. A faraday rotator mirror packaging structure with better shock and drop resistance according to claim 2, characterized in that: the bending protection part (3) comprises an embedded part (31) and a protruding part (32), the embedded part (31) is embedded into the protection pipe (2), the protruding part (32) protrudes out of the protection pipe (2), and the protruding part is semicircular.
5. A Faraday rotator mirror packaging structure with better shock and drop resistance according to claim 4, wherein: the bending protection part (3) is soft glue for protection.
6. A Faraday rotator mirror packaging structure with better shock and drop resistance according to claim 4, wherein: the tail fiber (13) comprises a thin end and a thick end, the outer diameter of the thick end is 2.78mm, and the tail fiber is bonded and fixed with the protective tube (2) through the high-strength bonding glue.
7. A Faraday rotator mirror package structure with better shock and drop resistance according to claim 6, wherein: and the parts with gaps among the magnetic ring structure (11), the self-focusing lens (12), the tail fiber (13) and the protective tube (2) are filled with high-strength bonding glue.
8. A Faraday rotator mirror packaging structure with better shock and drop resistance according to claim 4, wherein: the protection tube (2) is made of corrosion-resistant stainless steel.
9. A Faraday rotator mirror package structure with better shock and drop resistance according to claim 3, wherein: the magnetic ring structure (11) and the front face of the self-focusing lens (12) are relatively fixed by bonding with glue, and the self-focusing lens (12) and the inclined plane of the tail fiber (13) are relatively fixed by bonding with glue.
10. A Faraday rotator mirror package structure with better shock and drop resistance according to claim 3, wherein: and a protective ring (4) is arranged at the sealing end of the protective tube (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021210665.2U CN212647056U (en) | 2020-06-28 | 2020-06-28 | Farad-induced rotating mirror packaging structure with better shock resistance and drop resistance |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021210665.2U CN212647056U (en) | 2020-06-28 | 2020-06-28 | Farad-induced rotating mirror packaging structure with better shock resistance and drop resistance |
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| CN212647056U true CN212647056U (en) | 2021-03-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113237850A (en) * | 2021-04-29 | 2021-08-10 | 广州永士达医疗科技有限责任公司 | Optical fiber collimator for OCT (optical coherence tomography), manufacturing method and OCT equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113237850A (en) * | 2021-04-29 | 2021-08-10 | 广州永士达医疗科技有限责任公司 | Optical fiber collimator for OCT (optical coherence tomography), manufacturing method and OCT equipment |
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