CN103776394A - Optical fiber lens eccentricity measurement system and method - Google Patents
Optical fiber lens eccentricity measurement system and method Download PDFInfo
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- CN103776394A CN103776394A CN201210405157.3A CN201210405157A CN103776394A CN 103776394 A CN103776394 A CN 103776394A CN 201210405157 A CN201210405157 A CN 201210405157A CN 103776394 A CN103776394 A CN 103776394A
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- optical fiber
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Abstract
The invention discloses an optical fiber lens eccentricity measurement system. The optical fiber lens comprises a lens and an optical fiber insertion groove. The optical fiber lens eccentricity measurement system comprises a measurement gauge, an image sensing device and an analysis device; the measurement gauge comprises a measurement plane; a simulated optical fiber connector and three measurement holes are formed on the measurement plane; the three measurement holes form a triangle whose circumcenter is concentric with the simulated optical fiber connector; the simulated optical fiber connector is used for being inserted in the optical fiber insertion groove to connect the optical fiber lens and the measurement gauge; the image sensing device is used for taking images of the connected optical fiber lens and the measurement gauge; and the analysis device is used for analyzing the images to obtain the distance between the circumcenter and the lens center and judging whether the distance is within the preset range. The invention also provides an optical fiber lens eccentricity measurement method.
Description
Technical field
The present invention relates to a kind of optical fiber lens misalignment measurement system and method.
Background technology
Please refer to Fig. 1, it is cylindric that optical fiber lens 10 is ladder, and its one end is formed with an accommodation hole 11, and its other end is formed with an optical fiber slot 13, and these accommodation hole 11 bottoms are formed with lens 12.Lens 12 are aimed at (concentric) with optical fiber slot 13.In the time using, interior insertion one optical fiber of optical fiber slot 13, light signal is delivered in optical fiber from lens 12, or is delivered to lens 12 from optical fiber transmission.But during fabrication, lens 12 and optical fiber slot 13 often can not be aimed at completely, there is bias, thereby make light can produce loss in transmittance process.Therefore after manufacture completes optical fiber lens 10, whether the bias that need to detect between lens 12 and optical fiber slot 13 meets the requirements.
Summary of the invention
In view of this, be necessary to provide a kind of optical fiber lens misalignment measurement system and method.
A kind of optical fiber lens misalignment measurement system, this optical fiber lens comprises lens and an optical fiber slot, this optical fiber lens misalignment measurement system comprises a measurement tool, an Image sensor apparatus and an analytical equipment.This measurement tool comprises a measurement plane, on this measurement plane, form an analog optical fiber joint and three measured holes, a triangle that its unfaithful intention is concentric with this analog optical fiber joint of this three measured hole compositions, this analog optical fiber joint is used for inserting in this optical fiber slot to connect this optical fiber lens and this measurement tool.This Image sensor apparatus is for taking the optical fiber lens and the image of measuring tool of described connection.This analytical equipment is for analyzing this image to obtain the distance between this unfaithful intention and this lens center, and judges that this distance is whether in preset range.
A kind of optical fiber lens misalignment measurement method, this optical fiber lens comprises lens and an optical fiber slot.This optical fiber lens misalignment measurement method comprises the following steps.One optical fiber lens misalignment measurement system is provided, and this optical fiber lens comprises lens and an optical fiber slot, and this optical fiber lens misalignment measurement system comprises a measurement tool, an Image sensor apparatus and an analytical equipment; This measurement tool comprises a measurement plane, forms an analog optical fiber joint and three measured holes on this measurement plane, a triangle that its unfaithful intention is concentric with this analog optical fiber joint of this three measured hole compositions.This analog optical fiber joint is inserted in this optical fiber slot to connect this optical fiber lens and this measurement tool.Utilize this Image sensor apparatus to take the optical fiber lens and the image of measuring tool of described connection.Utilize this analytical equipment to analyze this image to obtain the distance between this unfaithful intention and this lens center, and judge that this distance is whether in preset range.
Compared to prior art, whether the present invention is combined with Image sensor apparatus with measuring tool, can facilitate the bias of detection fiber lens to meet the requirements.
Accompanying drawing explanation
Fig. 1 is that cuing open of a kind of optical fiber lens shown schematic diagram.
Fig. 2 is the structural representation of the optical fiber lens misalignment measurement system of an embodiment of the present invention, and this optical fiber lens measuring system comprises a measurement tool.
Fig. 3 is the schematic perspective view of measuring tool in Fig. 2.
Fig. 4 is the process flow diagram of the optical fiber lens misalignment measurement method of another embodiment of the present invention.
Main element symbol description
| Optical fiber lens |
100 |
| |
10 |
| |
11 |
| |
12 |
| |
13 |
| |
20 |
| |
21 |
| Spliced |
22 |
| Analog |
23 |
| Measured |
24 |
| |
30 |
| |
40 |
Following embodiment further illustrates the present invention in connection with above-mentioned accompanying drawing.
Embodiment
Refer to Fig. 1 to Fig. 3, it has disclosed the optical fiber lens misalignment measurement system 100 of an embodiment of the present invention, for measuring optical fiber lens 10.This optical fiber lens misalignment measurement system 100 comprises a measurement tool 20, an Image sensor apparatus 30 and an analytical equipment 40.
Roughly bulk triangular in shape of this measurement tool 20, comprises a measurement plane 21.On this measurement plane 21, form a spliced eye 22, the projecting inward formation one analog optical fiber joint 23 of this spliced eye 22.This analog optical fiber joint 23 is cylindric, the consistent size of the optical fiber slot 13 of its size and optical fiber lens 10.This analog optical fiber joint 23 inserts in this optical fiber slot 13.
On this measurement plane 21, be also formed with three measured holes 24.These three measured holes 24 form a triangle that its unfaithful intention is concentric with analog optical fiber joint 23.
This Image sensor apparatus 30 is for taking this measurement tool 20 and being inserted in the image of the optical fiber lens 10 on this measurement tool 20.In the present embodiment, this Image sensor apparatus 30 is a digital camera.
This analytical equipment 40 is analyzed for the image that this Image sensor apparatus 30 is taken, obtain respectively in image the position at three measured holes 24 and lens 12 centers, draw the circumcentre of a triangle position being formed by these three measured holes 24 according to the position calculation of these three measured holes 24, the i.e. position of this optical fiber slot 13, this unfaithful intention position.This analytical equipment 40 further judge the distance between this unfaithful intention and this lens 12 centers, and whether the bias of these lens 12 and this optical fiber slot 13 is in preset range.If this distance is greater than preset range, this analytical equipment 40 judges that this optical fiber lens 10 is defective, otherwise this analytical equipment 40 judges that this optical fiber lens 10 is qualified.In the present embodiment, this analytical equipment 40 is a computing machine.
Please refer to Fig. 4, it has disclosed the optical fiber lens misalignment measurement method of an embodiment of the present invention, and it comprises the following steps:
S01: an optical fiber lens misalignment measurement system 100 as above is provided.
S02: analog optical fiber joint 23 is inserted in the optical fiber slot 13 of optical fiber lens 10.
S03: take this measurement tool 20 and be inserted in the image of the optical fiber lens 10 on this measurement tool 20.
S04: analyze the image taken to judge that bias between lens 12 and optical fiber slot 13 is whether in preset range.
Wherein, in step S04, analytical equipment 40 obtains in image the position of three measured holes 24 and lens 12, draw the circumcentre of a triangle position being formed by these three measured holes 24 according to the position calculation of these three measured holes 24, the i.e. position of this optical fiber slot 13, this unfaithful intention position, and judge that distance between this unfaithful intention and this lens 12 centers is whether in preset range, if this distance is greater than preset range, this optical fiber lens 10 is defective, otherwise this optical fiber lens 10 is qualified.
In a word; those skilled in the art will be appreciated that; above embodiment is only for the present invention is described; and be not used as limitation of the invention; as long as within connotation scope of the present invention, within the appropriate change that above embodiment is done and variation all drop on the scope of protection of present invention.
Claims (7)
1. an optical fiber lens misalignment measurement system, this optical fiber lens comprises lens and an optical fiber slot, this optical fiber lens misalignment measurement system comprises a measurement tool, an Image sensor apparatus and an analytical equipment; This measurement tool comprises a measurement plane, on this measurement plane, form an analog optical fiber joint and three measured holes, a triangle that its unfaithful intention is concentric with this analog optical fiber joint of this three measured hole compositions, this analog optical fiber joint is used for inserting in this optical fiber slot to connect this optical fiber lens and this measurement tool; This Image sensor apparatus is for taking the optical fiber lens of described connection and the image of this measurement tool; This analytical equipment is for analyzing this image to obtain the distance between this unfaithful intention and this lens center, and judges that this distance is whether in preset range.
2. optical fiber lens misalignment measurement system as claimed in claim 1, is characterized in that: this measurement plane is formed with a spliced eye, and this analog optical fiber joint protrudes and is formed in this spliced eye.
3. optical fiber lens misalignment measurement system as claimed in claim 1, is characterized in that: this analog optical fiber joint is cylindric.
4. optical fiber lens misalignment measurement system as claimed in claim 1, is characterized in that: this measurement tool bulk triangular in shape.
5. optical fiber lens misalignment measurement system as claimed in claim 1, is characterized in that: this analytical equipment is for obtaining the position of these three measured holes of this image and these lens, and the position that draws this unfaithful intention according to the position calculation of these three measured holes.
6. an optical fiber lens misalignment measurement method, this optical fiber lens comprises lens and an optical fiber slot, this optical fiber lens misalignment measurement method comprises:
One optical fiber lens misalignment measurement system is provided, and this optical fiber lens misalignment measurement system comprises a measurement tool, an Image sensor apparatus and an analytical equipment; This measurement tool comprises a measurement plane, forms an analog optical fiber joint and three measured holes on this measurement plane, a triangle that its unfaithful intention is concentric with this analog optical fiber joint of this three measured hole compositions;
This analog optical fiber joint is inserted in this optical fiber slot to connect this optical fiber lens and this measurement tool;
Utilize this Image sensor apparatus to take the optical fiber lens of described connection and the image of this measurement tool; And
Utilize this analytical equipment to analyze this image to obtain the distance between this unfaithful intention and this lens center, and judge that this distance is whether in preset range.
7. optical fiber lens misalignment measurement method as claimed in claim 6, it is characterized in that: utilizing this analytical equipment to analyze in the step of this image, also comprise the position that obtains these three measured holes and this lens center in this image, and draw the step of the position of this unfaithful intention according to the position calculation of these three measured holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210405157.3A CN103776394A (en) | 2012-10-23 | 2012-10-23 | Optical fiber lens eccentricity measurement system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210405157.3A CN103776394A (en) | 2012-10-23 | 2012-10-23 | Optical fiber lens eccentricity measurement system and method |
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| Publication Number | Publication Date |
|---|---|
| CN103776394A true CN103776394A (en) | 2014-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210405157.3A Pending CN103776394A (en) | 2012-10-23 | 2012-10-23 | Optical fiber lens eccentricity measurement system and method |
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| CN (1) | CN103776394A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107860340A (en) * | 2015-10-20 | 2018-03-30 | 清华大学 | Pitch ear auricle assembly pin-and-hole method for measuring coaxiality |
| CN108801138A (en) * | 2018-06-19 | 2018-11-13 | 哈尔滨工业大学 | A kind of device measuring cylindrical structure object centre coordinate using circumscribed circule method |
| CN110715621A (en) * | 2018-07-12 | 2020-01-21 | 大族激光科技产业集团股份有限公司 | Detection method, device and equipment |
-
2012
- 2012-10-23 CN CN201210405157.3A patent/CN103776394A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107860340A (en) * | 2015-10-20 | 2018-03-30 | 清华大学 | Pitch ear auricle assembly pin-and-hole method for measuring coaxiality |
| CN108801138A (en) * | 2018-06-19 | 2018-11-13 | 哈尔滨工业大学 | A kind of device measuring cylindrical structure object centre coordinate using circumscribed circule method |
| CN110715621A (en) * | 2018-07-12 | 2020-01-21 | 大族激光科技产业集团股份有限公司 | Detection method, device and equipment |
| CN110715621B (en) * | 2018-07-12 | 2021-07-02 | 大族激光科技产业集团股份有限公司 | Detection method, device and equipment |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140507 |