CN215067422U - Light spot method debugging equipment for collimator - Google Patents
Light spot method debugging equipment for collimator Download PDFInfo
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- CN215067422U CN215067422U CN202120936999.6U CN202120936999U CN215067422U CN 215067422 U CN215067422 U CN 215067422U CN 202120936999 U CN202120936999 U CN 202120936999U CN 215067422 U CN215067422 U CN 215067422U
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- optical fiber
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Abstract
The utility model provides a light spot method debugging device of a collimator, which comprises a base, an adjusting device, a light spot tester and a microscope, wherein the adjusting device, the light spot tester and the microscope are all arranged on the base; the adjusting device comprises a collimator fixing frame and an optical fiber fixing table, and a gap between the collimator fixing frame and the optical fiber fixing table can be adjusted; the collimator fixing frame is provided with a collimator fixing groove and an adjusting bolt, and the adjusting bolt is matched with the collimator fixing groove; the light spot tester and the collimator fixing groove are arranged oppositely, the optical fiber fixing table and the light spot tester are respectively located on two sides of the collimator fixing frame, which are opposite to each other, and the microscope is located above a gap between the collimator fixing frame and the optical fiber fixing table. The utility model discloses a collimator facula method debugging equipment can the simplified operation, improves production efficiency.
Description
Technical Field
The utility model relates to a collimator debugging equipment technical field, it is specific, relate to a collimator facula method debugging equipment.
Background
The collimator is an optical element for input and output, and the structure of the collimator is composed of a pigtail 10, a glass sleeve 20, a C-len lens 30 (or a G-len lens) and glue (filled between the pigtail 10 and the glass sleeve 20 and between the glass sleeve 20 and the lens 30). The divergent light from the optical fiber is changed into parallel light (Gaussian beam) by the similar convex lens in the front, so that the light with the maximum efficiency is coupled into a required device or a received optical signal with the maximum efficiency.
The general reflection method debugging that uses of traditional collimater production debugging (focusing) technology, when debugging a product, all need the manual work to relapse the level crossing of level rotation and look for light, make the light of being gone out by the collimater reflect back to this collimater again after passing through the plane mirror, after finding light, readjust collimator is to the direction of the distance between the level crossing and collimater, make by the light of waiting to debug the collimater outgoing, after the plane mirror, reflect back to again in this waiting to debug the collimater, this kind of collimater debugging technology is loaded down with trivial details, the requirement is higher, low production efficiency, and is high in cost.
Disclosure of Invention
The utility model aims at providing a collimator facula method debugging equipment of simplified operation, improvement production efficiency.
In order to achieve the first purpose, the light spot method debugging equipment for the collimator comprises a base, an adjusting device, a light spot tester and a microscope, wherein the adjusting device, the light spot tester and the microscope are all arranged on the base; the adjusting device comprises a collimator fixing frame and an optical fiber fixing table, and a gap between the collimator fixing frame and the optical fiber fixing table can be adjusted; the collimator fixing frame is provided with a collimator fixing groove and an adjusting bolt, and the adjusting bolt is matched with the collimator fixing groove; the light spot tester and the collimator fixing groove are arranged oppositely, the optical fiber fixing table and the light spot tester are respectively located on two sides of the collimator fixing frame, which are opposite to each other, and the microscope is located above a gap between the collimator fixing frame and the optical fiber fixing table.
According to the above technical scheme, the utility model discloses a collimator facula method debugging equipment carries out the facula through setting up the facula tester and detects, has saved loaded down with trivial details light step of looking for, and easy operation has improved production efficiency, has reduced manufacturing cost. Meanwhile, the microscope is arranged, so that whether the end face of the optical fiber is parallel to the end face of the lens in the finished product can be observed and debugged conveniently. And the distance between the end face of the optical fiber and the end face of the lens is adjusted through the collimator fixing frame and the optical fiber fixing table, so that the adjusting precision can be improved.
In a further scheme, the adjusting device is further provided with a fixing seat, the fixing seat and the collimator fixing frame are integrally arranged, and the optical fiber fixing table is installed on the fixing seat.
Therefore, the fixing seat and the collimator fixing frame are integrally arranged by the fixing seat, so that the collimator fixing frame can be conveniently disassembled and assembled.
In a further scheme, the adjusting device further comprises a three-dimensional adjusting frame, and the fixing seat is installed on the three-dimensional adjusting frame.
Therefore, the fixing seat is arranged on the three-dimensional adjusting frame, so that three-dimensional adjustment can be conveniently carried out, and the collimator is located at a proper debugging position.
In the further scheme, the collimator mount still is provided with fixed slot part and adjusting bolt installation department, is provided with the isolation groove between fixed slot part and the adjusting bolt installation department, and the collimator fixed slot sets up at fixed slot part, and the collimator fixed slot is the open slot, and the opening of collimator fixed slot is towards the isolation groove, and adjusting bolt installs at the adjusting bolt installation department, and adjusting bolt's head is towards the collimator fixed slot.
In a further scheme, the collimator fixing groove is a V-shaped groove, and an opening of the V-shaped groove faces to the adjusting bolt.
Therefore, the isolation groove is formed between the fixing groove part and the adjusting bolt installation part, the collimator fixing groove is an open groove, the fixing condition of the collimator can be observed conveniently, and the glue injection operation can be observed conveniently.
In a further scheme, the debugging equipment of the collimator light spot method further comprises a UV light source, and the UV light source is installed on the base.
Therefore, by arranging the UV light source, the glue can be dispensed and cured after the collimator is debugged, and the debugging precision of the debugged collimator is prevented from being reduced due to movement.
In a further scheme, the optical fiber fixing table adopts a one-dimensional adjusting frame.
Therefore, the optical fiber fixing table adopts the one-dimensional adjusting frame, so that the collimator can be conveniently and stably adjusted, and the adjusting precision is improved.
Drawings
Fig. 1 is a structural sectional view of a conventional collimator.
Fig. 2 is a schematic structural diagram of an embodiment of the light spot method debugging device of the collimator of the present invention.
Fig. 3 is a mounting structure diagram of an adjusting device in an embodiment of the light spot method debugging device of the collimator of the present invention.
Fig. 4 is a structural installation diagram of the collimator fixing frame, the optical fiber fixing table and the fixing base in the embodiment of the collimator light spot method debugging device of the utility model.
Fig. 5 is a structural installation diagram of the collimator fixing frame and the fixing base in the embodiment of the collimator light spot method debugging device of the present invention.
The present invention will be further explained with reference to the drawings and examples.
Detailed Description
As shown in fig. 2, in this embodiment, the collimator light spot method debugging device includes a base 1, an adjusting device 2, a light spot tester 3, a microscope 4, and a UV light source 5, where the adjusting device 2, the light spot tester 3, the microscope 4, and the UV light source 5 are all installed on the base 1.
Referring to fig. 3, 4 and 5, the adjusting device 2 includes a collimator fixing frame 21, an optical fiber fixing table 22, a fixing base 23 and a three-dimensional adjusting frame 25, the fixing base 23 and the collimator fixing frame 21 are integrally arranged, the optical fiber fixing table 22 is installed on the fixing base 23, and a gap 24 between the collimator fixing frame 21 and the optical fiber fixing table 22 is adjustably arranged. In this embodiment, the optical fiber fixing stage 22 adopts a one-dimensional adjusting frame structure, which is well known to those skilled in the art and will not be described herein. The fixing seat 23 is mounted on the three-dimensional adjusting bracket 25 through the fixing through groove 231. The three-dimensional adjusting frame 25 adopts a known three-dimensional adjusting frame, the adjusting device 2 is mounted on an object stage 251 of the three-dimensional adjusting frame 25, and the object stage 251 can be subjected to position adjustment through an adjusting knob 252, an adjusting knob 253 and an adjusting knob 254, so as to drive the fixed seat 23 to move. The optical fiber fixing table 22 is used for fixing the optical fiber in the pigtail and driving the pigtail to move, and adjusting the distance between the pigtail and the lens, thereby adjusting the size of the light spot.
The collimator fixing bracket 21 is provided with a collimator fixing groove 211 and an adjusting bolt 212, and the adjusting bolt 212 is provided to be matched with the collimator fixing groove 211. In this embodiment, the collimator fixing frame 21 is further provided with a fixing groove portion 213 and an adjusting bolt mounting portion 214, an isolation groove 215 is provided between the fixing groove portion 213 and the adjusting bolt mounting portion 214, the collimator fixing groove 211 is provided in the fixing groove portion 213, the collimator fixing groove 211 is an open groove, an opening of the collimator fixing groove 211 faces the isolation groove 215, the adjusting bolt 212 is mounted in the adjusting bolt mounting portion 214, and a head portion 2121 of the adjusting bolt 212 faces the collimator fixing groove 211. The collimator fixing groove 211 may be provided with a groove shape, such as a V-shaped groove or a U-shaped groove, as required, in this embodiment, the collimator fixing groove 211 is a V-shaped groove, and an opening of the V-shaped groove faces the adjusting bolt 212.
As can be seen from fig. 1, the light spot tester 3 is disposed opposite to the collimator fixing groove 211, the optical fiber fixing table 22 and the light spot tester 3 are respectively disposed on two opposite sides of the collimator fixing frame 21, and the microscope 4 is disposed above the gap 24 between the collimator fixing frame 21 and the optical fiber fixing table 22. The UV light source 5 is provided with an adjustable lamp cap which can rotate in any direction, so that the collimator can be conveniently irradiated.
When the collimator spot method debugging device of the embodiment is used for debugging the collimator, the pigtail is firstly sleeved into the glass sleeve on which the lens is fixed. Next, the glass ferrule is fixed to the collimator holder 21, the end face (8 ° face) of the pigtail is brought into close contact with the end face (8 ° face) of the lens, and the 8 ° face of the pigtail and the 8 ° face of the lens are adjusted to be parallel to each other by observation with the microscope 4. After the two 8 ° facets are parallel, the fiber of the pigtail is glued to the fiber mount 22. The distance between the collimator and the light spot tester 3 is adjusted through the three-dimensional adjusting frame 25, and after the distance is adjusted, the tail optical fiber of the collimator to be adjusted is connected with the light source. The facula tester 3 is connected to the computer 6, and the facula test software is opened on the computer 6, and the size of the facula at this time is displayed on the computer 6, in this embodiment, the Thorlabs Beam 7.0 software is adopted. After the distance is confirmed, the distance between the pigtail and the lens is adjusted through the optical fiber fixing table 22, so that the measured light spot size reaches a standard value, the standard value can be calculated by using a Gaussian formula to obtain the size of the light spot corresponding to the distance between the current collimator and the light spot tester 3, and the value is set as the standard value on the computer 6. After the size of the light spot reaches the standard value, a small amount of UV glue is injected into the glass sleeve at the tail part of the tail fiber, and the tail fiber is irradiated by the UV light source 5, so that the tail fiber is fixed on the glass sleeve, and whether the size of the light spot is within an acceptable range after the UV is confirmed to be fixed again is determined, in the embodiment, the acceptable range is set to be within +/-5 um of the standard value. If the size of the light spot is in the acceptable range, 353ND glue is injected into the glass sleeve at the tail part of the tail fiber, so that the space between the tail fiber and the glass sleeve is filled with more than 85% of surface area of glue. And finally, putting the collimator subjected to glue injection into an oven for glue solidification, thereby completing the manufacture of the collimator.
According to the above, the utility model discloses a collimator facula method debugging equipment carries out the facula through setting up the facula tester and detects, has saved loaded down with trivial details light step of looking for, and easy operation has improved production efficiency, has reduced manufacturing cost. Meanwhile, the microscope is arranged, so that whether the end face of the optical fiber is parallel to the end face of the lens in the finished product can be observed and debugged conveniently. And the distance between the end face of the optical fiber and the end face of the lens is adjusted through the collimator fixing frame and the optical fiber fixing table, so that the adjusting precision can be improved.
It should be noted that the above is only a preferred embodiment of the present invention, but the design concept of the present invention is not limited thereto, and all insubstantial modifications made by using the design concept of the present invention also fall within the protection scope of the present invention.
Claims (7)
1. The device for debugging the collimator by the light spot method is characterized by comprising a base, an adjusting device, a light spot tester and a microscope, wherein the adjusting device, the light spot tester and the microscope are all arranged on the base;
the adjusting device comprises a collimator fixing frame and an optical fiber fixing table, and a gap between the collimator fixing frame and the optical fiber fixing table can be adjusted;
the collimator fixing frame is provided with a collimator fixing groove and an adjusting bolt, and the adjusting bolt is matched with the collimator fixing groove;
the light spot tester and the collimator fixing groove are arranged oppositely, the optical fiber fixing table and the light spot tester are respectively positioned on two sides of the collimator fixing frame, which are opposite to each other, and the microscope is positioned above the gap between the collimator fixing table and the optical fiber fixing table.
2. The collimator facula method debugging apparatus of claim 1, characterized in that:
the adjusting device is further provided with a fixing seat, the fixing seat and the collimator fixing frame are integrally arranged, and the optical fiber fixing table is installed on the fixing seat.
3. The collimator facula method debugging apparatus of claim 2, characterized in that:
the adjusting device further comprises a three-dimensional adjusting frame, and the fixing seat is installed on the three-dimensional adjusting frame.
4. The collimator facula method debugging apparatus of claim 1, characterized in that:
the collimator mount still is provided with fixed slot part and adjusting bolt installation department, fixed slot part with be provided with the isolation groove between the adjusting bolt installation department, the collimator fixed slot sets up fixed slot part, the collimator fixed slot is the open slot, the opening orientation of collimator fixed slot the isolation groove, adjusting bolt installs the adjusting bolt installation department, adjusting bolt's head orientation the collimator fixed slot.
5. The collimator facula method debugging apparatus of claim 1, characterized in that:
the collimator fixed slot is a V-shaped slot, and an opening of the V-shaped slot faces to the adjusting bolt.
6. The collimator spot method debugging device according to any one of claims 1 to 5, characterized in that:
the debugging equipment for the collimator light spot method further comprises a UV light source, and the UV light source is installed on the base.
7. The collimator spot method debugging device according to any one of claims 1 to 5, characterized in that:
the optical fiber fixing table adopts a one-dimensional adjusting frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120936999.6U CN215067422U (en) | 2021-04-30 | 2021-04-30 | Light spot method debugging equipment for collimator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120936999.6U CN215067422U (en) | 2021-04-30 | 2021-04-30 | Light spot method debugging equipment for collimator |
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| CN215067422U true CN215067422U (en) | 2021-12-07 |
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| CN202120936999.6U Active CN215067422U (en) | 2021-04-30 | 2021-04-30 | Light spot method debugging equipment for collimator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115390192A (en) * | 2022-08-01 | 2022-11-25 | 常州莱特康光电科技有限公司 | Optical fiber collimator and manufacturing method thereof |
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2021
- 2021-04-30 CN CN202120936999.6U patent/CN215067422U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115390192A (en) * | 2022-08-01 | 2022-11-25 | 常州莱特康光电科技有限公司 | Optical fiber collimator and manufacturing method thereof |
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