CN204575895U - A kind of optical module for wideband light source - Google Patents
A kind of optical module for wideband light source Download PDFInfo
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- CN204575895U CN204575895U CN201520280694.9U CN201520280694U CN204575895U CN 204575895 U CN204575895 U CN 204575895U CN 201520280694 U CN201520280694 U CN 201520280694U CN 204575895 U CN204575895 U CN 204575895U
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- optical collimator
- light filter
- barrier assembly
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Abstract
The utility model discloses a kind of optical module for wideband light source, the first light signal through first enter reflect by " it " word route between optical collimator collimation, the first barrier assembly isolation, reflector and the first light filter, the second light filter, the 3rd light filter after inject out optical collimator; Second light signal through second enter reflect by " it " word route between optical collimator collimation, the second barrier assembly isolation, the first light filter wavelength-division multiplex, reflector and the second light filter, the 3rd light filter after inject out optical collimator; 3rd light signal injects out optical collimator after the 3rd entering optical collimator collimation, the 3rd barrier assembly isolation, the second light filter wavelength-division multiplex, reflecting by " it " word route between reflector and the 3rd light filter; 4th light signal through the 4th enter optical collimator collimation, the 4th barrier assembly isolation, the 3rd light filter wavelength-division multiplex, reflector reflection inject out optical collimator.Light filter, collimating apparatus and barrier assembly are set by activity, promote light source output power.
Description
Technical field
The utility model relates to technical field of optical fiber communication, particularly relate to a kind of optical module for wideband light source.
Background technology
In current optical fiber telecommunications system and light source light network, the application of wideband light source widely.The implementation of existing wideband light source mainly comprises: the mode of the mode of coupling mechanism and isolator cascade or wave division multiplex coupler and isolator cascade.
As shown in Figure 1, it is the index path of existing a kind of optical module for wideband light source.Each road light signal injects corresponding isolator respectively, is input to after the process of a 1*4 coupling mechanism outputs in optical fiber through each isolator.
As shown in Figure 2, it is the index path that existing another kind is used for the optical module of wideband light source.Each road light signal injects corresponding isolator respectively, outputs in optical fiber after three wave division multiplex coupler process.
, there is the technical matters that light source output power is little in the optical module for wideband light source that above-mentioned employing coupling mechanism and isolator cascade system are formed.
Utility model content
Fundamental purpose of the present utility model is to provide a kind of optical module for wideband light source, promotes light source output power.
For an optical module for wideband light source, wideband light source comprises the first light signal, second light signal, 3rd light signal and the 4th light signal, this optical module comprises reflector, and is all that optical collimator is entered in first of movable setting, second enters optical collimator, 3rd enters optical collimator, 4th enters optical collimator, first barrier assembly, second barrier assembly, 3rd barrier assembly, 4th barrier assembly, first light filter, second light filter, 3rd light filter and go out optical collimator, the first light signal enters the collimation of optical collimator through first, the isolation of the first barrier assembly, reflector and the first light filter, second light filter, inject out optical collimator by after the reflection of " it " word route between 3rd light filter, the second light signal enters the collimation of optical collimator through second, the isolation of the second barrier assembly, the wavelength-division multiplex of the first light filter, reflector and the second light filter, inject out optical collimator by after the reflection of " it " word route between 3rd light filter, the 3rd light signal enters the collimation of optical collimator through the 3rd, the isolation of the 3rd barrier assembly, the wavelength-division multiplex of the second light filter, inject out optical collimator after reflecting by " it " word route between reflector and the 3rd light filter, the 4th light signal enters the collimation of optical collimator through the 4th, the isolation of the 4th barrier assembly, the wavelength-division multiplex of the 3rd light filter, optical collimator is injected out in the reflection of reflector.
Preferably, reverberator is completely reflecting mirror.
Preferably, first enters optical collimator, second and enters optical collimator, the 3rd to enter that optical collimator, the 4th enters optical collimator and go out optical collimator be single optical fiber calibrator.
Preferably, single optical fiber calibrator comprises glass tube, lens, kapillary, optical fiber, and lens and kapillary are relatively arranged on glass tube, and optical fiber is arranged in kapillary.
Preferably, the first light filter, the second light filter and the 3rd light filter are WDM optical filter.
Preferably, WDM optical filter comprises glass substrate, light-transmissive film and anti-reflection film, and light-transmissive film is arranged on glass substrate, and anti-reflection film is arranged on light-transmissive film.
Preferably, the first barrier assembly, the second barrier assembly, the 3rd barrier assembly, the 4th barrier assembly are three piece stacked free-space reversal optical fiber isolators.
Preferably, three piece stacked free-space reversal optical fiber isolators comprise magnet ring, arrange three sheet superposed type lens set in magnet ring, three sheet superposed type lens set are formed by stacking by 2 polaroid and 1 Faraday rotation sheet, and Faraday rotation sheet is arranged between 2 polaroid.
The utility model, by the movable angle and the position that arrange light filter, collimating apparatus and barrier assembly, reduces optics consume, promotes light source output power.
Accompanying drawing explanation
Fig. 1 is the index path of existing a kind of optical module for wideband light source.
Fig. 2 is the index path of existing another kind for the optical module of wideband light source.
Fig. 3 is the index path of the utility model for a kind of embodiment of optical module of wideband light source, and this optical module comprises collimating apparatus, light filter and barrier assembly.
Fig. 4 is the structural representation of the collimating apparatus shown in Fig. 3.
Fig. 5 is the structural representation of the light filter shown in Fig. 3.
Fig. 6 is the structural representation of the barrier assembly shown in Fig. 3.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
As shown in Figure 3, it is the index path that a kind of embodiment is used for the optical module of wideband light source.This wideband light source being used for the optical module of wideband light source comprises the first light signal, second light signal, 3rd light signal and the 4th light signal, this optical module comprises reflector 13, and is all that optical collimator 5 is entered in first of movable setting, second enters optical collimator 4, 3rd enters optical collimator 3, 4th enters optical collimator 2, first barrier assembly 11, second barrier assembly 10, 3rd barrier assembly 9, 4th barrier assembly 8, first light filter 12, second light filter 7, 3rd light filter 6 and go out optical collimator 1, the first light signal enters the collimation of optical collimator 5 through first, the isolation of the first barrier assembly 11, reflector 13 and the first light filter 12, second light filter 7, inject out optical collimator 1 by after the reflection of " it " word route between 3rd light filter 6, the second light signal enters the collimation of optical collimator 4 through second, the isolation of the second barrier assembly 10, the wavelength-division multiplex of the first light filter 12, reflector 13 and the second light filter 7, inject out optical collimator 1 by after the reflection of " it " word route between 3rd light filter 6, the 3rd light signal enters the collimation of optical collimator 3 through the 3rd, the isolation of the 3rd barrier assembly 9, the wavelength-division multiplex of the second light filter 7, inject out optical collimator 1 after reflecting by " it " word route between reflector 13 and the 3rd light filter 6, the 4th light signal enters the collimation of optical collimator 2 through the 4th, the isolation of the 4th barrier assembly 8, the wavelength-division multiplex of the 3rd light filter 6, optical collimator 1 is injected out in the reflection of reflector 13.
The utility model, by the movable angle and the position that arrange light filter, collimating apparatus and barrier assembly, reduces optics consume, promotes light source output power.Meanwhile, the light signal between light filter of the present utility model, barrier assembly, collimating apparatus transmits in free space, so that volume of the present utility model reduces.
Reverberator is completely reflecting mirror.Therefore, the reflection efficiency of light signal of the present utility model is high.
As shown in Figure 4, it is a kind of structural representation of embodiment collimating apparatus.First enters optical collimator, second enters optical collimator, the 3rd to enter that optical collimator, the 4th enters optical collimator and go out optical collimator is single optical fiber calibrator.Single optical fiber calibrator comprises glass tube 16, lens 17, kapillary 15 and optical fiber 14, and lens 17 and kapillary 15 are relatively arranged on glass tube 16, and optical fiber 14 is arranged in kapillary 15.
As shown in Figure 5, it is a kind of structural representation of embodiment light filter.First light filter, the second light filter and the 3rd light filter are WDM optical filter.WDM optical filter comprises glass substrate 18, light-transmissive film 19 and anti-reflection film 20, and light-transmissive film 19 is arranged on glass substrate 18, and anti-reflection film 20 is arranged on light-transmissive film 19.This filter sheet structure can make the energy of reflected light and transmitted light redistribute by increasing anti-reflection film, and the energy of reflected light is reduced, and the energy of transmitted light increases, and so just effectively can increase the transmittance of optical filter.
As shown in Figure 6, it is a kind of structural representation of embodiment barrier assembly.First barrier assembly, the second barrier assembly, the 3rd barrier assembly, the 4th barrier assembly are three piece stacked free-space reversal optical fiber isolators.Three piece stacked free-space reversal optical fiber isolators comprise magnet ring, arrange three sheet superposed type lens set in magnet ring, and three sheet superposed type lens set are formed by stacking by 2 polaroid and 1 Faraday rotation sheet, and Faraday rotation sheet is arranged between 2 polaroid.
Composition graphs 3 illustrates principle of work of the present utility model:
(1), the light signal of 1310nm wave band injects out optical collimator 1 through the 4th collimation entering optical collimator 2, the isolation through the 4th barrier assembly 8, the wavelength-division multiplex of the 3rd light filter 6, the reflection of reflector 13.
(2), the light signal of 1490nm wave band through the isolation of the 3rd collimation entering optical collimator 3, the 3rd barrier assembly 9, the wavelength-division multiplex of the second light filter 7, the bounce transmission of reflector 13 to the 3rd light filter 6, the reflection of the 3rd light filter 6 is transferred to reflector 13 again, injects out optical collimator 1 after the reflection of reflector 13 again.
(3), the light signal of 1550nm wave band through the isolation of the second collimation entering optical collimator 4, the second barrier assembly 10, the wavelength-division multiplex of the first light filter 12, the bounce transmission of reflector 13 to the second light filter 7, second light filter 7 reflexes to reflector 13, the bounce transmission of reflector 13 is to the 3rd light filter 6, the reflection of the 3rd light filter 6 is transferred to reflector 13 again, injects out optical collimator 1 after the reflection of reflector 13 again.
(4), the light signal of 1610nm wave band reflexes to the first light filter 12 through the first collimation entering optical collimator 5, the isolation of the first barrier assembly 11, reflector 13, first light filter 12 reflexes to reflector 13, the bounce transmission of reflector 13 is to the second light filter 7, second light filter 7 reflexes to reflector 13, the bounce transmission of reflector 13 is to the 3rd light filter 6, the reflection of the 3rd light filter 6 is transferred to reflector 13 again, injects out optical collimator 1 after the reflection of reflector 13 again.
Be described in detail the embodiment of utility model above, but it is as example, the utility model does not limit and embodiment described above.For a person skilled in the art, any equivalent modifications or alternative also all among category of the present utility model that this utility model is carried out, therefore, not departing from the equalization conversion and amendment, improvement etc. done under spirit of the present utility model and spirit, all should be encompassed in scope of the present utility model.
Claims (8)
1., for an optical module for wideband light source, described wideband light source comprises the first light signal, second light signal, 3rd light signal and the 4th light signal, it is characterized in that, this optical module comprises reflector, and is all that optical collimator is entered in first of movable setting, second enters optical collimator, 3rd enters optical collimator, 4th enters optical collimator, first barrier assembly, second barrier assembly, 3rd barrier assembly, 4th barrier assembly, first light filter, second light filter, 3rd light filter and go out optical collimator, described first light signal enters the collimation of optical collimator through described first, the isolation of described first barrier assembly, described reflector and described first light filter, described second light filter, described in injecting after the reflection of " it " word route, go out optical collimator between described 3rd light filter, described second light signal enters the collimation of optical collimator through described second, the isolation of described second barrier assembly, the wavelength-division multiplex of described first light filter, described reflector and described second light filter, described in injecting after the reflection of " it " word route, go out optical collimator between described 3rd light filter, described 3rd light signal enters the collimation of optical collimator through the described 3rd, the isolation of described 3rd barrier assembly, the wavelength-division multiplex of described second light filter, go out optical collimator described in injecting after reflecting by " it " word route between described reflector and described 3rd light filter, described 4th light signal enters the collimation of optical collimator through the described 4th, the isolation of described 4th barrier assembly, the wavelength-division multiplex of described 3rd light filter, optical collimator is injected out in the reflection of described reflector.
2. the optical module for wideband light source according to claim 1, is characterized in that, described reverberator is completely reflecting mirror.
3. the optical module for wideband light source according to claim 1, it is characterized in that, described first enter optical collimator, described second enter optical collimator, the described 3rd enter optical collimator, the described 4th enter optical collimator and described go out optical collimator be single optical fiber calibrator.
4. the optical module for wideband light source according to claim 3, it is characterized in that, described single optical fiber calibrator comprises glass tube, lens, kapillary and optical fiber, and described lens and described kapillary are relatively arranged on described glass tube, and described optical fiber is arranged in described kapillary.
5. the optical module for wideband light source according to claim 1, is characterized in that, described first light filter, described second light filter and described 3rd light filter are WDM optical filter.
6. the optical module for wideband light source according to claim 5, is characterized in that, described WDM optical filter comprises glass substrate, light-transmissive film and anti-reflection film, and described light-transmissive film is arranged on described glass substrate, and described anti-reflection film is arranged on described light-transmissive film.
7. the optical module for wideband light source according to claim 1, it is characterized in that, described first barrier assembly, described second barrier assembly, described 3rd barrier assembly, described 4th barrier assembly are three piece stacked free-space reversal optical fiber isolators.
8. the optical module for wideband light source according to claim 7, it is characterized in that, described three piece stacked free-space reversal optical fiber isolators comprise magnet ring, three sheet superposed type lens set are set in described magnet ring, described three sheet superposed type lens set are formed by stacking by 2 polaroid and 1 Faraday rotation sheet, and described Faraday rotation sheet is arranged between 2 described polaroid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520280694.9U CN204575895U (en) | 2015-05-04 | 2015-05-04 | A kind of optical module for wideband light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520280694.9U CN204575895U (en) | 2015-05-04 | 2015-05-04 | A kind of optical module for wideband light source |
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| Publication Number | Publication Date |
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| CN204575895U true CN204575895U (en) | 2015-08-19 |
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| CN201520280694.9U Active CN204575895U (en) | 2015-05-04 | 2015-05-04 | A kind of optical module for wideband light source |
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| CN (1) | CN204575895U (en) |
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- 2015-05-04 CN CN201520280694.9U patent/CN204575895U/en active Active
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