CN112230352A - Coupling equipment for area array type light source beam splitting and coupling mode thereof - Google Patents
Coupling equipment for area array type light source beam splitting and coupling mode thereof Download PDFInfo
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- CN112230352A CN112230352A CN202011173608.6A CN202011173608A CN112230352A CN 112230352 A CN112230352 A CN 112230352A CN 202011173608 A CN202011173608 A CN 202011173608A CN 112230352 A CN112230352 A CN 112230352A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4249—Packages, e.g. shape, construction, internal or external details comprising arrays of active devices and fibres
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4249—Packages, e.g. shape, construction, internal or external details comprising arrays of active devices and fibres
- G02B6/425—Optical features
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4286—Optical modules with optical power monitoring
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- Optical Couplings Of Light Guides (AREA)
Abstract
The invention relates to coupling equipment for area array type light source beam splitting and a coupling mode thereof, belonging to the technical field of integrated optics. The system comprises an LED light source, a PLC chip, an adhesive, a multi-channel optical fiber array, a bare fiber adapter and an optical power meter; the LED light source is adjustably fixed on the left side of the PLC chip through the left side adjusting frame, the right side of the PLC chip is in adhesive joint with the multi-channel optical fiber array through an adhesive, the multi-channel optical fiber array is installed on the right side adjusting frame, the multi-channel optical fiber array is connected with the optical power meter through a bare fiber adapter, the PLC chip is a 0 multiplied by N chip, the 0 multiplied by N chip is N output opposite-end waveguides, and N is a natural number. The invention converts the value detected by the optical power meter into the corresponding loss value, thereby determining whether the coupling is successful or not, and having wide application prospect.
Description
Technical Field
The invention relates to coupling equipment for area array type light source beam splitting and a coupling mode thereof, belonging to the technical field of integrated optics.
Background
At present, the beam splitting of the surface light source is usually realized by a physical method, such as interference or diffraction, and the beam splitting of the surface light source, or the divergent light source, is finally realized.
In some special cases, the area light source needs to be divided into various beams. The traditional mode can not obtain uniform light beams and can not obtain light with various proportions. However, the desired sub-beams can be designed by using the 0 XN type structure in our PLC.
The beam splitting of the surface light source is not ideal enough, and the obtained beam splitting effect is relatively common. Therefore, it is necessary to use the 0 × N chip, the output end is the same as most of the PLC, but the input end is different, and is a large channel, so that the light can be input into the chip as much as possible.
In view of the above-mentioned drawbacks, the present designer is actively making research and innovation to create a coupling device and a coupling method for splitting a planar array light source, so that the device has more industrial utility value.
Disclosure of Invention
In order to solve the above technical problems, an object of the present invention is to provide a coupling device for splitting a planar array light source and a coupling method thereof.
The purpose of the invention can be realized by the following technical scheme: a coupling device for area array type light source beam splitting comprises an LED light source, a PLC chip, an adhesive, a multi-channel optical fiber array, a bare fiber adapter and an optical power meter;
the LED light source is adjustably fixed on the left side of the PLC chip through the left adjusting frame, the right side of the PLC chip is connected with the multi-channel optical fiber array through an adhesive in a bonding mode, the multi-channel optical fiber array is installed on the right adjusting frame, and the multi-channel optical fiber array is connected with the optical power meter through a bare fiber adapter.
Further, the PLC chip is a 0 XN chip.
Further, the 0 × N chip is N output-to-end waveguides, where N is a natural number.
Further, N is preferably 2, 4, 8 or 16.
Further, the PLC chip is installed on the chip clamp.
Furthermore, the connection between the multi-channel optical fiber array and the bare fiber adapter is realized by directly inserting the optical fibers of the multi-channel optical fiber array into the bare fiber adapter.
Further, the LED light source is an LED white light source.
A coupling method for area array type light source beam splitting specifically comprises the following coupling steps:
the first step is as follows: input side alignment
1.1, clamping a PLC chip on a chip clamp;
1.2, enabling the LED light source to emit white light through a power switch;
1.3, aligning the LED light source to the PLC chip on the right side of the LED light source by adjusting the left adjusting frame;
1.4, receiving signals by the right side of the PLC chip through an optical power meter, firstly, adjusting a right side adjusting frame to align the multichannel optical fiber array with the right side of the PLC chip, and observing the numerical value of the optical power meter to be improved, so that the LED light source at the input end is aligned with the input port of the PLC chip;
the second step is that: output terminal alignment
2.1, clamping a PLC chip on the chip clamp;
2.2, enabling the LED light source to emit white light through a power switch and transmitting a light signal to the left side of the PLC chip;
2.3, a receiving end on the right side of the PLC chip is provided with a multi-channel optical fiber array and an optical power meter, and signals are transmitted to the multi-channel optical fiber array and the optical power meter of the receiving end through the PLC chip;
2.4, finely adjusting the position of an LED light source at the left input end of the PLC chip and the position of a multi-channel optical fiber array at the right receiving end of the PLC chip respectively to maximize the power value reading of the optical power meter;
third, testing
The LED light source is directly aligned to the left input end of the PLC chip to be tested, the optical power meter is used for measuring the power value, the insertion loss cannot be directly tested due to the fact that the used LED light source is not always stable, the insertion loss is indirectly obtained through measuring the power value, and the success of coupling connection is determined according to the insertion loss value.
By the scheme, the invention at least has the following advantages:
the coupling equipment for splitting the planar array light source can be directly connected with the light source at the input end, is easy to align, only needs to finely adjust the output end, is simple to couple, can simulate the actual situation to the maximum extent, meets the real requirements of people, and has wide application prospect.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate a certain embodiment of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural diagram of a coupling device for splitting a planar array light source according to the present invention;
wherein, in the figure,
1. an LED light source; 2. a PLC chip; 3. an adhesive; 4. a multi-channel fiber array; 5. a bare fiber adapter; 6. an optical power meter; 7. a left side adjusting bracket; 8. a chip clamp; 9. and a right adjusting frame.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Example 1
A coupling device for area array type light source beam splitting comprises an LED light source (1), a PLC chip (2), an adhesive (3), a multi-channel optical fiber array (4), a bare fiber adapter (5) and an optical power meter (6); LED light source (1) is fixed in PLC chip (2) left side with adjustable through left side alignment jig (7), PLC chip (2) right side splices through gluing agent (3) with multichannel fiber array (4), install on right side alignment jig (9) multichannel fiber array (4), connect through naked fine adapter (5) between multichannel fiber array (4) and optical power meter (6). The PLC chip (2) is a 0 XN chip. The 0 xN chip is N output opposite-end waveguides, wherein N is a natural number. Said N is preferably 2. The PLC chip (2) is installed on the chip clamp (8). The connection between the multi-channel optical fiber array (4) and the bare fiber adapter (5) is realized by directly inserting the optical fibers of the multi-channel optical fiber array (4) into the bare fiber adapter (5). The LED light source (1) is an LED white light source.
A coupling method for area array type light source beam splitting specifically comprises the following coupling steps:
the first step is as follows: input side alignment
1.1, clamping a PLC chip (2) on a chip clamp (8);
1.2, enabling the LED light source (1) to emit white light through a power switch;
1.3, aligning the LED light source (1) to the PLC chip (2) on the right side of the LED light source by adjusting the left adjusting frame (7);
1.4, the right side of the PLC chip (2) receives signals through an optical power meter (6), firstly, a right adjusting frame (9) is adjusted to enable the multichannel optical fiber array (4) to be aligned with the right side of the PLC chip (2), and if the numerical value of the optical power meter (6) is observed to be increased, the LED light source (1) at the input end is aligned with the input port of the PLC chip (2);
the second step is that: output terminal alignment
2.1, clamping a PLC chip (2) on a chip clamp (8);
2.2, enabling the LED light source (1) to emit white light through a power switch and transmitting a light signal to the left side of the PLC chip (2);
2.3, a receiving end on the right side of the PLC chip (2) is provided with a multi-channel optical fiber array (4) and an optical power meter (6), and signals are transmitted to the multi-channel optical fiber array (4) and the optical power meter (6) of the receiving end through the PLC chip (2);
2.4, finely adjusting the position of the LED light source (1) at the left input end of the PLC chip (2) and the position of the multi-channel optical fiber array (4) at the right receiving end of the PLC chip (2) respectively to enable the power value reading of the optical power meter (6) to be maximum, wherein the numerical value is 23-24 dbm;
third, testing
Directly aligning an LED light source (1) to the left input end of a PLC chip (2) to be tested, and then measuring a power value by using an optical power meter (6) to be 23-24 dbm, wherein the used LED light source (1) is not always stable, so that the insertion loss cannot be directly tested, the insertion loss is indirectly obtained by measuring the power value, and the actual insertion loss is 3-4 db by subtracting the measured power value from the power value of the light source; and determining the success of the coupling connection according to the insertion loss value.
Example 2
A coupling device for area array type light source beam splitting comprises an LED light source (1), a PLC chip (2), an adhesive (3), a multi-channel optical fiber array (4), a bare fiber adapter (5) and an optical power meter (6); LED light source (1) is fixed in PLC chip (2) left side with adjustable through left side alignment jig (7), PLC chip (2) right side splices through gluing agent (3) with multichannel fiber array (4), install on right side alignment jig (9) multichannel fiber array (4), connect through naked fine adapter (5) between multichannel fiber array (4) and optical power meter (6). The PLC chip (2) is a 0 XN chip. The 0 xN chip is N output opposite-end waveguides, wherein N is a natural number. Said N is preferably 4. The PLC chip (2) is installed on the chip clamp (8). The connection between the multi-channel optical fiber array (4) and the bare fiber adapter (5) is realized by directly inserting the optical fibers of the multi-channel optical fiber array (4) into the bare fiber adapter (5). The LED light source (1) is an LED white light source.
A coupling method for area array type light source beam splitting specifically comprises the following coupling steps:
the first step is as follows: input side alignment
1.1, clamping a PLC chip (2) on a chip clamp (8);
1.2, enabling the LED light source (1) to emit white light through a power switch;
1.3, aligning the LED light source (1) to the PLC chip (2) on the right side of the LED light source by adjusting the left adjusting frame (7);
1.4, the right side of the PLC chip (2) receives signals through an optical power meter (6), firstly, a right adjusting frame (9) is adjusted to enable the multichannel optical fiber array (4) to be aligned with the right side of the PLC chip (2), and if the numerical value of the optical power meter (6) is observed to be increased, the LED light source (1) at the input end is aligned with the input port of the PLC chip (2);
the second step is that: output terminal alignment
2.1, clamping a PLC chip (2) on a chip clamp (8);
2.2, enabling the LED light source (1) to emit white light through a power switch and transmitting a light signal to the left side of the PLC chip (2);
2.3, a receiving end on the right side of the PLC chip (2) is provided with a multi-channel optical fiber array (4) and an optical power meter (6), and signals are transmitted to the multi-channel optical fiber array (4) and the optical power meter (6) of the receiving end through the PLC chip (2);
2.4, finely adjusting the position of an LED light source (1) at the left input end of the PLC chip (2) and the position of a multi-channel optical fiber array (4) at the right receiving end of the PLC chip (2) respectively to enable the power value reading of the optical power meter (6) to be maximum, wherein the numerical value is 26-27 dbm;
third, testing
The method comprises the steps that an LED light source (1) is directly aligned to the left input end of a PLC chip (2) to be tested, an optical power meter (6) is used for measuring a power value which is 26-27 dbm, because the used LED light source (1) is not always stable, insertion loss cannot be directly tested, the insertion loss is indirectly obtained by measuring the power value, the measured power value is subtracted from the power value of the light source, and the actual insertion loss is 6-7 db; and determining the success of the coupling connection according to the insertion loss value.
Example 3
A coupling device for area array type light source beam splitting comprises an LED light source (1), a PLC chip (2), an adhesive (3), a multi-channel optical fiber array (4), a bare fiber adapter (5) and an optical power meter (6); LED light source (1) is fixed in PLC chip (2) left side with adjustable through left side alignment jig (7), PLC chip (2) right side splices through gluing agent (3) with multichannel fiber array (4), install on right side alignment jig (9) multichannel fiber array (4), connect through naked fine adapter (5) between multichannel fiber array (4) and optical power meter (6). The PLC chip (2) is a 0 XN chip. The 0 xN chip is N output opposite-end waveguides, wherein N is a natural number. Said N is preferably 8. The PLC chip (2) is installed on the chip clamp (8). The connection between the multi-channel optical fiber array (4) and the bare fiber adapter (5) is realized by directly inserting the optical fibers of the multi-channel optical fiber array (4) into the bare fiber adapter (5). The LED light source (1) is an LED white light source.
A coupling method for area array type light source beam splitting specifically comprises the following coupling steps:
the first step is as follows: input side alignment
1.1, clamping a PLC chip (2) on a chip clamp (8);
1.2, enabling the LED light source (1) to emit white light through a power switch;
1.3, aligning the LED light source (1) to the PLC chip (2) on the right side of the LED light source by adjusting the left adjusting frame (7);
1.4, the right side of the PLC chip (2) receives signals through an optical power meter (6), firstly, a right adjusting frame (9) is adjusted to enable the multichannel optical fiber array (4) to be aligned with the right side of the PLC chip (2), and if the numerical value of the optical power meter (6) is observed to be increased, the LED light source (1) at the input end is aligned with the input port of the PLC chip (2);
the second step is that: output terminal alignment
2.1, clamping a PLC chip (2) on a chip clamp (8);
2.2, enabling the LED light source (1) to emit white light through a power switch and transmitting a light signal to the left side of the PLC chip (2);
2.3, a receiving end on the right side of the PLC chip (2) is provided with a multi-channel optical fiber array (4) and an optical power meter (6), and signals are transmitted to the multi-channel optical fiber array (4) and the optical power meter (6) of the receiving end through the PLC chip (2);
2.4, finely adjusting the position of the LED light source (1) at the left input end of the PLC chip (2) and the position of the multi-channel optical fiber array (4) at the right receiving end of the PLC chip (2) respectively to maximize the power value reading of the optical power meter (6); the value is 28-29 dbm.
Third, testing
Directly aligning an LED light source (1) to the left input end of a PLC chip (2) to be tested, measuring a power value by using an optical power meter (6), wherein the numerical value is 28-29 dbm, because the used LED light source (1) is not always stable, the insertion loss cannot be directly tested, the insertion loss is indirectly obtained by measuring the power value, and the actual insertion loss is 8-9 db by subtracting the measured power value from the power value of the light source; and determining the success of the coupling connection according to the insertion loss value.
Example 4
A coupling device for area array type light source beam splitting comprises an LED light source (1), a PLC chip (2), an adhesive (3), a multi-channel optical fiber array (4), a bare fiber adapter (5) and an optical power meter (6); LED light source (1) is fixed in PLC chip (2) left side with adjustable through left side alignment jig (7), PLC chip (2) right side splices through gluing agent (3) with multichannel fiber array (4), install on right side alignment jig (9) multichannel fiber array (4), connect through naked fine adapter (5) between multichannel fiber array (4) and optical power meter (6). The PLC chip (2) is a 0 XN chip. The 0 xN chip is N output opposite-end waveguides, wherein N is a natural number. Said N is preferably 16. The PLC chip (2) is installed on the chip clamp (8). The connection between the multi-channel optical fiber array (4) and the bare fiber adapter (5) is realized by directly inserting the optical fibers of the multi-channel optical fiber array (4) into the bare fiber adapter (5). The LED light source (1) is an LED white light source.
A coupling method for area array type light source beam splitting specifically comprises the following coupling steps:
the first step is as follows: input side alignment
1.1, clamping a PLC chip (2) on a chip clamp (8);
1.2, enabling the LED light source (1) to emit white light through a power switch;
1.3, aligning the LED light source (1) to the PLC chip (2) on the right side of the LED light source by adjusting the left adjusting frame (7);
1.4, the right side of the PLC chip (2) receives signals through an optical power meter (6), firstly, a right adjusting frame (9) is adjusted to enable the multichannel optical fiber array (4) to be aligned with the right side of the PLC chip (2), and if the numerical value of the optical power meter (6) is observed to be increased, the LED light source (1) at the input end is aligned with the input port of the PLC chip (2);
the second step is that: output terminal alignment
2.1, clamping a PLC chip (2) on a chip clamp (8);
2.2, enabling the LED light source (1) to emit white light through a power switch and transmitting a light signal to the left side of the PLC chip (2);
2.3, a receiving end on the right side of the PLC chip (2) is provided with a multi-channel optical fiber array (4) and an optical power meter (6), and signals are transmitted to the multi-channel optical fiber array (4) and the optical power meter (6) of the receiving end through the PLC chip (2);
2.4, finely adjusting the position of the LED light source (1) at the left input end of the PLC chip (2) and the position of the multi-channel optical fiber array (4) at the right receiving end of the PLC chip (2) respectively to maximize the power value reading of the optical power meter (6); the value is 30 to 31 dbm.
Third, testing
Directly aligning an LED light source (1) to the left input end of a PLC chip (2) to be tested, measuring a power value by using an optical power meter (6), wherein the numerical value is 30-31 dbm, because the used LED light source (1) is not always stable, the insertion loss cannot be directly tested, the insertion loss is indirectly obtained by measuring the power value, the measured power value is subtracted by the power value of the light source, and the actual insertion loss is 10-11 db; and determining the success of the coupling connection according to the insertion loss value.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, it should be noted that, for those skilled in the art, many modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A coupling device for splitting an area-array light source, characterized by: the coupling equipment comprises an LED light source (1), a PLC chip (2), an adhesive (3), a multi-channel optical fiber array (4), a bare fiber adapter (5) and an optical power meter (6);
LED light source (1) is fixed in PLC chip (2) left side with adjustable through left side alignment jig (7), PLC chip (2) right side splices through gluing agent (3) with multichannel fiber array (4), install on right side alignment jig (9) multichannel fiber array (4), connect through naked fine adapter (5) between multichannel fiber array (4) and optical power meter (6).
2. The coupling device of claim 1, wherein: the PLC chip (2) is a 0 XN chip.
3. The coupling device of claim 2, wherein: the 0 xN chip is N output-to-end waveguides, wherein N is a natural number.
4. The coupling device according to claim 3, wherein: said N is preferably 2, 4, 8 or 16.
5. The coupling device of claim 1, wherein: the PLC chip (2) is installed on the chip clamp (8).
6. The coupling device of claim 1, wherein: the connection between the multi-channel optical fiber array (4) and the bare fiber adapter (5) is realized by directly inserting the optical fibers of the multi-channel optical fiber array (4) into the bare fiber adapter (5).
7. The coupling device of claim 1, wherein: the LED light source (1) is an LED white light source.
8. A coupling method for area array type light source beam splitting is characterized in that the specific coupling steps are as follows:
the first step is as follows: input side alignment
1.1, clamping a PLC chip (2) on a chip clamp (8);
1.2, enabling the LED light source (1) to emit white light through a power switch;
1.3, aligning the LED light source (1) to the PLC chip (2) on the right side of the LED light source by adjusting the left adjusting frame (7);
1.4, the right side of the PLC chip (2) receives signals through an optical power meter (6), firstly, a right adjusting frame (9) is adjusted to enable the multichannel optical fiber array (4) to be aligned with the right side of the PLC chip (2), and if the numerical value of the optical power meter (6) is observed to be increased, the LED light source (1) at the input end is aligned with the input port of the PLC chip (2);
the second step is that: output terminal alignment
2.1, clamping a PLC chip (2) on a chip clamp (8);
2.2, enabling the LED light source (1) to emit white light through a power switch and transmitting a light signal to the left side of the PLC chip (2);
2.3, a receiving end on the right side of the PLC chip (2) is provided with a multi-channel optical fiber array (4) and an optical power meter (6), and signals are transmitted to the multi-channel optical fiber array (4) and the optical power meter (6) of the receiving end through the PLC chip (2);
2.4, finely adjusting the position of the LED light source (1) at the left input end of the PLC chip (2) and the position of the multi-channel optical fiber array (4) at the right receiving end of the PLC chip (2) respectively to maximize the power value reading of the optical power meter (6);
third, testing
The LED light source (1) is directly aligned to the left input end of the PLC chip (2) to be tested, the optical power meter (6) is used for measuring the power value, the insertion loss cannot be directly tested because the used LED light source (1) is not always stable, the insertion loss is indirectly obtained through measuring the power value, and the success of coupling connection is determined according to the insertion loss value.
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| CN102798513A (en) * | 2012-08-15 | 2012-11-28 | 上海光芯集成光学股份有限公司 | Device and method for testing PLC (Programmable Logic Controller) optical splitter |
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Application publication date: 20210115 |
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