CN217981937U - BOSA double-emission structure and optical communication device - Google Patents

Abstract

The utility model relates to an optical communication technical field provides a BOSA dual-emission structure and optical communication device, and BOSA dual-emission structure includes base, optic fibre adapter, first light emitter, first adjustable ring, second light emitter, second adjustable ring and 45 degrees light filters, and 45 degrees light filters are with the emergent light coupling of first light emitter and second light emitter to optic fibre adapter. The BOSA dual-emission structure can simultaneously realize the transmission of optical signals with two wavelengths, is convenient for users to install and use, and effectively reduces the use cost; wherein, first light emitter and second light emitter can be respectively through first adjustable ring and second adjustable ring adjustment focus, and the focus is adjusted conveniently, and effectual the focus that has ensured first light emitter and second light emitter matches with the optic fibre adapter accuracy, ensures that the emergent light of first light emitter and second light emitter is accurate to be coupled to the light adapter on, effectual promotion optic fibre adapter receives optical signal's responsivity and sensitivity.

Description

BOSA double-emission structure and optical communication device

Technical Field

The application relates to the technical field of optical communication, in particular to a BOSA dual-emission structure and an optical communication device.

Background

Fiber optic communications has become one of the major pillars of modern communications, and has evolved rapidly due to its numerous advantages, such as large communication capacity, long transmission distances, low signal interference, and good security. The optical transmitter is a main light source for optical fiber communication and is a core device of the optical fiber communication. At present, a single-fiber light emitting device is generally a single wavelength, and when optical signals of two wavelengths need to be emitted simultaneously, two separate optical devices need to be configured, which is inconvenient for users to install and use, and high in cost.

Therefore, the prior art has defects and needs to be improved and developed.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned shortcomings of the prior art, the present application aims to provide a BOSA dual-emission structure and an optical communication device, which aim to solve the problems that in the prior art, a single-fiber light-emitting device is generally a single wavelength, and when optical signals of two wavelengths need to be emitted simultaneously, two separate optical devices need to be configured, which is inconvenient for users to install and use, and the cost is high.

The technical scheme adopted by the application for solving the technical problem is as follows: a BOSA dual emission structure comprising:

the base is provided with an accommodating cavity, and a first light through hole, a second light through hole and a third light through hole which are communicated with the accommodating cavity, the first light through hole and the second light through hole are oppositely arranged, and the third light through hole is perpendicular to the first light through hole and the second light through hole;

one end of the optical fiber adapter is arranged in the first light through hole and is fixedly connected with the side face of the base;

the first light emitter is arranged in the second light through hole and is matched with the inner hole of the first adjusting ring, the first light emitter can slide along the axial direction of the first adjusting ring, and the first adjusting ring is fixedly arranged on the base;

the second light emitter is arranged in the third light passing hole and is matched with an inner hole of the second adjusting ring, the second light emitter can slide along the axial direction of the second adjusting ring, and the second adjusting ring is fixedly arranged on the base;

the 45-degree optical filter is arranged in the accommodating cavity, and the 45-degree optical filter couples emergent light of the first light emitter and emergent light of the second light emitter to the optical fiber adapter.

Furthermore, the first adjusting ring and the second adjusting ring are close to one end of the base and are provided with annular bulges, and the annular bulges are abutted against the base.

Further, the first light emitter and the second light emitter are identical in structure, and the first light emitter includes:

the pipe sleeve is matched with the inner hole of the first adjusting ring and can slide along the axial direction of the first adjusting ring;

and one end of the laser diode is inserted in the pipe sleeve and is fixedly connected with the pipe sleeve, and the laser diode and the pipe sleeve are coaxially arranged.

Further, the laser diode includes:

a tube holder;

the tube cap is arranged on one side of the tube seat, and the lens is arranged on one end, deviating from the tube seat, of the tube cap.

Further, the BOSA dual emission structure further includes:

a 0 degree filter disposed in the lens.

Further, the laser diode further includes:

the connecting seat, the connecting seat set up in the cap for pipe deviates from the one end of tube socket, and be located inside the cap for pipe, the connecting seat is provided with the step hole, the step hole includes first heavy platform, first heavy platform is located respectively the connecting seat is close to one of cap for pipe is served, lens set up in on the first heavy platform.

Further, the stepped hole includes:

the second sinking platform is positioned at one end of the connecting seat, which is far away from the pipe cap, and the 0-degree optical filter is arranged on the second sinking platform.

Further, the BOSA dual emission structure further includes:

the first isolator is accommodated in the accommodating cavity and attached to the base, and the first isolator is located on an emergent light path of the first light emitter.

Further, the BOSA dual emission structure further includes:

and the second isolator is accommodated in the accommodating cavity and attached to the base, and is positioned on an emergent light path of the second light emitter.

The other technical scheme adopted by the application for solving the technical problem is as follows: an optical communication device comprising a BOSA dual emission architecture as described above.

Compared with the prior art, the BOSA dual-emission structure and the optical communication device have the advantages that the base, the optical fiber adapter, the first optical transmitter, the first adjusting ring, the second optical transmitter, the second adjusting ring and the 45-degree optical filter are arranged, so that the BOSA dual-emission structure can simultaneously realize transmission of optical signals with two wavelengths, installation and use of a user are facilitated, and the use cost is effectively reduced; wherein, first light emitter and second light emitter can be respectively through first adjustable ring and second adjustable ring adjustment focus, and the focus is adjusted conveniently, and effectual the focus that has ensured first light emitter and second light emitter matches with the optic fibre adapter accuracy, ensures that the emergent light of first light emitter and second light emitter is accurate to be coupled to the light adapter on, effectual promotion optic fibre adapter receives optical signal's responsivity and sensitivity.

Drawings

Fig. 1 is a schematic perspective view of a BOSA dual emission structure provided in the present application;

FIG. 2 is a perspective exploded view schematic diagram of a BOSA dual emission structure provided herein;

fig. 3 is a schematic perspective view of a cross-section of a base in a BOSA dual emission structure provided in the present application;

FIG. 4 is a functional schematic diagram of a BOSA dual launch architecture provided in the present application;

FIG. 5 is a schematic perspective view of a cross-section of a variant of the BOSA dual launch structure provided in the present application;

FIG. 6 is a schematic cross-sectional view of another variation of the BOSA dual emission structure provided herein;

description of reference numerals:

10. a BOSA dual emission architecture; 11. a base; 12. a fiber optic adapter; 13. a first optical transmitter; 14. a first adjusting ring; 15. a second light emitter; 16. a second adjusting ring; 17. a 45-degree optical filter; 18. a 0 degree optical filter; 191. a first isolator; 192. a second isolator; 111. an accommodating cavity; 112. a first light passing hole; 113. a second light passing hole; 114. a third light passing hole; 141. an annular projection; 131. pipe sleeve; 132. a laser diode; 1321. a tube holder; 1322. a pipe cap; 1323. a lens; 1324. a connecting seat; 1325. a stepped bore; 1326. a first sinking platform; 1327. and a second sinking platform.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar 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 only for the purpose of explaining the present application and are not to be construed as limiting the present application.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the present application. 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 to implicitly indicate 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 application, "a plurality" means two or more unless otherwise specified.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 application can be understood in a specific case by those of ordinary skill in the art.

Fiber optic communications has become one of the major pillars of modern communications, and has evolved rapidly due to its numerous advantages, such as large communication capacity, long transmission distances, low signal interference, and good security. The optical transmitter is a main light source for optical fiber communication and is a core device for optical fiber communication. At present, a single-fiber light emitting device is generally a single wavelength, and when optical signals of two wavelengths need to be emitted simultaneously, two separate optical devices need to be configured, which is inconvenient for users to install and use, and high in cost. Based on the problems that in the prior art, a single-fiber light emitting device is usually single-wavelength, and when light signals with two wavelengths need to be emitted simultaneously, two independent light devices need to be configured, so that the BOSA dual-emission structure and the optical communication device are inconvenient for users to install and use and high in cost, the BOSA dual-emission structure can simultaneously realize the transmission of the light signals with the two wavelengths by arranging a base, an optical fiber adapter, a first light emitter, a first adjusting ring, a second light emitter, a second adjusting ring and a 45-degree optical filter, so that the installation and use of the users are facilitated, and the use cost is effectively reduced; the first light emitter and the second light emitter can adjust focal lengths through the first adjusting ring and the second adjusting ring respectively, the focal lengths are convenient to adjust, the focal lengths of the first light emitter and the second light emitter are effectively guaranteed to be accurately matched with the optical fiber adapter, emergent light of the first light emitter and emergent light of the second light emitter are guaranteed to be accurately coupled to the optical fiber adapter, and the responsivity and the sensitivity of the optical fiber adapter for receiving optical signals are effectively improved; reference will be made in detail to the following examples.

Referring to fig. 1 to 4, in a first embodiment of the present application, a BOSA dual emission structure 10 is provided, which includes a base 11, a fiber adapter 12, a first light emitter 13, a first adjusting ring 14, a second light emitter 15, a second adjusting ring 16, and a 45-degree filter 17; the base 11 is provided with an accommodating cavity 111, and a first light through hole 112, a second light through hole 113 and a third light through hole 114 which are communicated with the accommodating cavity 111, the first light through hole 112 and the second light through hole 113 are arranged oppositely, and the third light through hole 114 is arranged perpendicular to the first light through hole 112 and the second light through hole 113; one end of the optical fiber adapter 12 is arranged in the first light through hole 112 and is fixedly connected with the side surface of the base 11; the first light emitter 13 is arranged in the second light through hole 113 and is matched with the inner hole of the first adjusting ring 14, the first light emitter 13 can slide along the axial direction of the first adjusting ring 14, and the first adjusting ring 14 is fixedly arranged on the base 11; the second light emitter 15 is arranged in the third light passing hole 114 and is matched with the inner hole of the second adjusting ring 16, the second light emitter 15 can slide along the axial direction of the second adjusting ring 16, and the second adjusting ring 16 is fixedly arranged on the base 11; the 45-degree optical filter 17 is disposed in the accommodating cavity 111, and the 45-degree optical filter 17 couples the emergent light of the first optical transmitter 13 and the emergent light of the second optical transmitter 15 to the optical fiber adapter 12.

It can be understood that the existing single-fiber light emitting device includes a single light emitter and a tail fiber arranged corresponding to the light emitter, the light emitter converts an electrical signal into an optical signal, the emergent light of the light emitter is coupled with the tail fiber to realize the transmission of the optical signal with a single wavelength, when the optical signals with two wavelengths need to be emitted simultaneously, two separate light emitting devices need to be configured, which is inconvenient for users to install and use; BOSA (Bi-Directional Optical Subassembly, single-fiber bidirectional Optical device) is a photoelectric conversion device integrating transmission and reception, can realize the function of bidirectional transmission of data in a single Optical fiber, and is an important device applied to an Optical fiber communication system; the application provides a BOSA dual-emission structure 10, wherein a first light emitter 13 and a second light emitter 15 are integrated on a base 11 at the same time, so that optical signals with two wavelengths can be transmitted at the same time, installation and use of users are facilitated, and use cost is reduced;

specifically, the base 11 is provided with an accommodating cavity 111, and a first light through hole 112, a second light through hole 113 and a third light through hole 114 which are communicated with the accommodating cavity 111; the accommodating cavity 111 is used for installing components such as an isolator, an optical filter and the like, and emergent light of the first light emitter 13 and the second light emitter 15 passes through the accommodating cavity; the first light through hole 112 and the second light through hole 113 are oppositely arranged on two sides of the base 11, the third light through hole 114 is perpendicular to the first light through hole 112 and the second light through hole 113, and the optical fiber adapter 12, the first light emitter 13 and the second light emitter 15 are respectively arranged in the first light through hole 112, the second light through hole 113 and the third light through hole 114; the optical fiber adapter 12 is coaxially arranged with the first optical transmitter 13, the second optical transmitter 15 is vertically arranged relative to the optical fiber adapter 12 and the first optical transmitter 13, the first optical transmitter 13 and the second optical transmitter 15 work on the principle of converting electrical signals into optical signals, and the first optical transmitter 13 and the second optical transmitter 15 can respectively transmit optical signals with different wavelengths; the optical fiber adapter 12 is used for installing optical fibers, and further coupling the emergent light of the first optical transmitter 13 and the emergent light of the second optical transmitter 15 to the optical fibers to realize the transmission of optical signals; the 45-degree optical filter 17 is arranged in the accommodating cavity 111 and forms a 45-degree angle relative to the horizontal plane, one end, close to the second light emitter 15, of the 45-degree optical filter 17 inclines towards the direction away from the optical fiber adapter 12, the 45-degree optical filter 17 is an interference optical filter and is used for selecting an optical device of a required radiation wave band, the transmission effect of a spectrum is obtained mainly by utilizing the interference principle of light, and films with different refractive indexes are deposited on an optical substrate through a vacuum film coating method by the optical filter, so that different optical effects are achieved; when the mixed light of multiple wavelengths passes through the optical filter, an interference effect is generated due to different refractive indexes, the light with a specific wavelength has high transmittance, and other wavelengths are reflected and absorbed; in the present application, the 45-degree optical filter 17 may allow an optical signal emitted by the first optical transmitter 13 to pass through, and reflect an optical signal emitted by the second optical transmitter 15, as shown in fig. 4, a dotted arrow indicates an emergent light path of the first optical transmitter 13, a solid arrow indicates an emergent light path of the second optical transmitter 15, and the 45-degree optical filter 17 realizes coupling of emergent light of the first optical transmitter 13 and the emergent light of the second optical transmitter 15 to the optical fiber adapter 12; the first adjusting ring 14 is arranged on one side of the second light through hole 113 of the base 11, the first adjusting ring 14 is sleeved on the first light emitter 13 and is arranged in a matched manner with the first light emitter 13, so that the first light emitter 13 can be adjusted along the axial direction of the first adjusting ring 14, the first adjusting ring 14 can be adjusted in the horizontal direction and the vertical direction on the side surface of the base 11, the first adjusting ring 14 and the optical fiber adapter 12 are ensured to be in the coaxial position, namely the position of the first light emitter 13 can be adjusted through the first adjusting ring 14, the coupling with the optical fiber adapter 12 in the three-axis directions of X, Y and Z is realized, and the coupling of the emergent light of the first light emitter 13 to the optical fiber adapter 12 is ensured; the second adjusting ring 16 is arranged on one side of a third light passing hole 114 of the base 11, the second adjusting ring 16 is sleeved on the second light emitter 15 and is matched with the second light emitter 15, so that the second light emitter 15 can be adjusted along the axial direction of the second adjusting ring 16, the second adjusting ring 16 can be adjusted on the horizontal plane on the side surface of the base 11 in a front-back and left-right direction, the focal length of the second light emitter 15 is matched with the optical fiber adapter 12, namely the position of the second light emitter 15 can be adjusted through the second adjusting ring 16, the coupling with the optical fiber adapter 12 in the X, Y and Z three-axis directions is realized, and the emergent light of the second light emitter 15 is accurately coupled to the optical fiber adapter 12;

by arranging the base 11, the optical fiber adapter 12, the first light emitter 13, the first adjusting ring 14, the second light emitter 15, the second adjusting ring 16 and the 45-degree optical filter 17, the BOSA dual-emission structure 10 can simultaneously realize transmission of two wavelength optical signals, so that installation and use of a user are facilitated, and the use cost is effectively reduced; wherein, first light emitter 13 and second light emitter 15 can be respectively through first adjustable ring 14 and the focus of second adjustable ring 16 adjustment, and the focus is adjusted conveniently, and effectual first light emitter 13 of having ensured and second light emitter 15's focus and the accurate matching of optical fiber adapter 12, ensures that first light emitter 13 and second light emitter 15's emergent light accurate coupling to the light adapter on, effectual promotion optical fiber adapter 12 receives optical signal's responsivity and sensitivity.

It should be noted that, when in use, the optical fiber adapter 12 and the base 11 are welded and fixed firstly, then the positions of the first light emitter 13 and the first adjusting ring 14 are adjusted, and the positions of the second light emitter 15 and the second adjusting ring 16 are adjusted, so that the coupling of the first light emitter 13, the second light emitter 15 and the optical fiber adapter 12 in the three-axis directions of X, Y and Z is realized, and finally the first light emitter 13, the first adjusting ring 14, the second light emitter 15 and the second adjusting ring 16 are fixed by adopting a laser welding process, so that the coupling yield can be effectively improved, and the rejection caused by poor focal length matching can be effectively avoided.

Referring to fig. 5, in other preferred embodiments, the ends of the first adjusting ring 14 and the second adjusting ring 16 close to the base 11 are both provided with an annular protrusion 141, and the annular protrusion 141 abuts against the base 11.

It will be appreciated that by providing the annular projection 141, the contact area of the first adjusting ring 14 and the second adjusting ring 16 with the base 11 may be increased, facilitating the stability and reliability of the connection of the first adjusting ring 14 and the second adjusting ring 16 with the base 11.

Referring to fig. 1, 2 and 5 in combination, in other preferred embodiments, the first optical transmitter 13 and the second optical transmitter 15 are the same in structure, and the first optical transmitter 13 includes a sleeve 131 and a laser diode 132; the sleeve 131 is arranged in a matching manner with the inner hole of the first adjusting ring 14 and can slide along the axial direction of the first adjusting ring 14; one end of the laser diode 132 is inserted into the pipe sleeve 131 and fixedly connected with the pipe sleeve 131, and the laser diode 132 and the pipe sleeve 131 are coaxially arranged.

It is understood that the first optical transmitter 13 and the second optical transmitter 15 have the same structure in this application, and each includes a tube sleeve 131 and a laser diode 132; laser diode 132 is used for converting the electrical signal to optical signal for first light emitter 13 and second light emitter 15 realize optical signal's transmitting function, and laser diode 132 passes through pipe box 131 and is connected with first adjustable ring 14, forms the tight fit with first adjustable ring 14, can make laser diode 132 can realize the convenient regulation of focus along the axial of first adjustable ring 14, and can ensure accommodation process's stability, can effectual promotion laser diode 132 and optical fiber adapter 12's focus matching accuracy.

With continued reference to FIG. 5, in other preferred embodiments, the laser diode 132 includes a stem 1321, a cap 1322, and a lens 1323; the cap 1322 is disposed on a side of the tube seat 1321, and the lens 1323 is disposed on an end of the cap 1322 facing away from the tube seat 1321.

It can be understood that, a metal pin, a laser chip and other elements are usually disposed on the stem 1321 of the laser diode 132, the stem 1322 is covered on one side of the stem 1321 where the laser chip is disposed, a hole through which outgoing light passes is opened at one end of the stem 1322 facing away from the stem 1321, and a lens 1323 is installed, the lens 1323 can be installed on the stem 1322 in an embedded manner, the lens 1323 is used for realizing focusing of an optical signal, a conversion process between an electrical signal and the optical signal is performed on the stem 1321, and the generated optical signal is emitted through the lens 1323 and coupled to the optical fiber adapter 12; by providing the stem 1321, the cap 1322, and the lens 1323, it is realized that the electrical signal is converted into an optical signal and transmitted to the optical fiber adapter 12, and the light emitting function of the first and second light emitters 13 and 15 is ensured.

With continued reference to fig. 5, in other preferred embodiments, the BOSA dual emission structure 10 further includes a 0-degree filter 18, and the 0-degree filter 18 is disposed in the lens 1323.

It will be appreciated that the 0 degree filter 18 functions on the same principle as the 45 degree filter 17, allowing transmission of light of a particular wavelength while light of other wavelengths is emitted and absorbed; the 0-degree filter 18 may be embedded in the lens 1323 of the first light emitter 13, or may be embedded in the lens 1323 of the second light emitter 15, so as to implement a filtering function; by arranging the 0-degree optical filter 18, stray light can be filtered, interference on optical signals sent by the first light emitter 13 or the second light emitter 15 is avoided, and the coupling efficiency of the BOSA dual-emission structure 10 is effectively improved; by arranging the 0-degree filter 18 in the lens 1323, the installation and adjustment of the 0-degree filter 18 are completed while the first light emitter 13 or the second light emitter 15 is installed on the base 11, the process of installing the 0-degree filter 18 on the base 11 is reduced, and the installation convenience is effectively improved.

Referring to fig. 6, in another preferred embodiment, the laser diode 132 further includes a connection seat 1324, the connection seat 1324 is disposed at an end of the cap 1322 away from the stem 1321 and located inside the cap 1322, the connection seat 1324 is provided with a stepped hole 1325, the stepped hole 1325 includes first sinking stages 1326, the first sinking stages 1326 are respectively located at an end of the connection seat 1324 close to the cap 1322, and the lens 1323 is disposed on the first sinking stage 1326.

It is understood that the connecting seat 1324 may be fixed inside the cap 1322 by means of adhesion, and the lens 1323 may be installed on the cap 1322 through the connecting seat 1324, specifically, the lens 1323 is installed on the first sinking platform 1326 of the connecting seat 1324, and the light emitted from the laser diode 132 passes through the stepped hole 1325 and is emitted from the lens 1323; through setting up connecting seat 1324, convenience of customers installs lens 1323 on pipe cap 1322 to adjust the mounted position, and then the effectual light emission function who ensures first light emitter 13 and second light emitter 15.

With continued reference to fig. 6, in other preferred embodiments, the stepped bore 1325 includes a second sinking platform 1327, the second sinking platform 1327 is located at an end of the connecting seat 1324 away from the cap 1322, and the 0-degree filter 18 is disposed on the second sinking platform 1327.

It can be understood that the 0-degree optical filter 18 may also be installed on the cap 1322 through the connection seat 1324 and located on the second sinking stage 1327, the 0-degree optical filter 18 and the lens 1323 are respectively located at two ends of the connection seat 1324, so that the emergent light of the laser diode 132 passes through the 0-degree optical filter 18 and the lens 1323 in sequence when passing through the stepped hole 1325, so as to effectively filter stray light, avoid interference on the optical signal emitted by the first optical transmitter 13 or the second optical transmitter 15, further effectively improve the coupling efficiency of the BOSA dual emission structure 10, and simultaneously facilitate installation of the 0-degree optical filter 18, and a user completes installation and adjustment of the 0-degree optical filter 18 while installing the first optical transmitter 13 or the second optical transmitter 15 on the base 11, effectively reduce a process of installing the 0-degree optical filter 18 on the base 11, and further improve installation convenience.

Still referring to fig. 2, in other preferred embodiments, the BOSA dual emission structure 10 further includes a first isolator 191, the first isolator 191 is accommodated in the accommodating cavity 111 and attached to the base 11, and the first isolator 191 is located on an emergent light path of the first light emitter 13.

It can be understood that, a mounting position is disposed in the accommodating cavity 111 of the base 11, the first isolator 191 is attached to the corresponding mounting position, the first isolator 191 faces the first light emitter 13 and is located on an emergent light path of the first light emitter 13, and the first isolator 191 can reduce the influence of reflected light on the performance of the first light emitter 13 and reduce crosstalk and interference.

With reference to fig. 2, in other preferred embodiments, the BOSA dual emission structure 10 further includes a second isolator 192, the second isolator 192 is accommodated in the accommodating cavity 111 and attached to the base 11, and the second isolator 192 is located on an emergent light path of the second light emitter 15.

It can be understood that, the accommodating cavity 111 of the base 11 is provided with a mounting position, the second isolator 192 is attached to the corresponding mounting position, the second isolator 192 faces the second light emitter 15 and is located on the outgoing light path of the second light emitter 15, and the second isolator 192 can reduce the influence of the reflected light on the performance of the second light emitter 15, and reduce crosstalk and interference.

Also provided in the second embodiment of the present application is an optical communication apparatus including the BOSA dual emission structure 10 as described above.

It can be understood that, in the optical communication device provided by the present application, the BOSA dual-emission structure 10 is adopted, and by arranging the base 11, the optical fiber adapter 12, the first optical transmitter 13, the first adjusting ring 14, the second optical transmitter 15, the second adjusting ring 16 and the 45-degree optical filter 17, two wavelength optical signal transmissions can be simultaneously realized, which is convenient for users to install and use, and effectively reduces the use cost; wherein, first light emitter 13 and second light emitter 15 can be respectively through first adjustable ring 14 and the focus of second adjustable ring 16 adjustment, and the focus is adjusted conveniently, and effectual first light emitter 13 of having ensured and second light emitter 15's focus and the accurate matching of optical fiber adapter 12, ensures that first light emitter 13 and second light emitter 15's emergent light accurate coupling to the light adapter on, effectual promotion optical fiber adapter 12 receives optical signal's responsivity and sensitivity.

To sum up, the application provides a BOSA dual emission structure and an optical communication device, by arranging a base, an optical fiber adapter, a first optical transmitter, a first adjusting ring, a second optical transmitter, a second adjusting ring and a 45-degree optical filter, the BOSA dual emission structure can simultaneously realize transmission of optical signals with two wavelengths, thereby facilitating installation and use of users and effectively reducing use cost; wherein, first light emitter and second light emitter can be respectively through first adjustable ring and second adjustable ring adjustment focus, and the focus is adjusted conveniently, and effectual focus and the accurate matching of optic fibre adapter that has ensured first light emitter and second light emitter ensures that the emergent light of first light emitter and second light emitter is accurate to be coupled to the light adapter on, effectual promotion optic fibre adapter receives optical signal's responsibility and sensitivity.

It should be understood that the application of the present application is not limited to the above examples, and that modifications or changes may be made by those skilled in the art based on the above description, and all such modifications and changes are intended to fall within the scope of the appended claims.

Claims (10)

1. A BOSA dual emission structure, comprising:

the base is provided with an accommodating cavity, and a first light through hole, a second light through hole and a third light through hole which are communicated with the accommodating cavity, the first light through hole and the second light through hole are oppositely arranged, and the third light through hole is perpendicular to the first light through hole and the second light through hole;

one end of the optical fiber adapter is arranged in the first light through hole and is fixedly connected with the side face of the base;

the first light emitter is arranged in the second light through hole and is matched with the inner hole of the first adjusting ring, the first light emitter can slide along the axial direction of the first adjusting ring, and the first adjusting ring is fixedly arranged on the base;

the second light emitter is arranged in the third light passing hole and is matched with an inner hole of the second adjusting ring, the second light emitter can slide along the axial direction of the second adjusting ring, and the second adjusting ring is fixedly arranged on the base;

the 45-degree optical filter is arranged in the accommodating cavity, and the 45-degree optical filter couples emergent light of the first light emitter and emergent light of the second light emitter to the optical fiber adapter.

2. The BOSA dual emission structure of claim 1, wherein one end of the first adjusting ring and one end of the second adjusting ring close to the base are both provided with an annular protrusion, and the annular protrusions abut against the base.

3. The BOSA dual emission structure of claim 1, wherein the first and second optical emitters are identical in structure, the first optical emitter comprising:

a collar disposed in mating relation with the inner bore of the first adjustment ring and slidable axially of the first adjustment ring;

and one end of the laser diode is inserted into the pipe sleeve and is fixedly connected with the pipe sleeve, and the laser diode and the pipe sleeve are coaxially arranged.

4. The BOSA dual emission structure of claim 3, wherein the laser diode comprises:

a tube holder;

the tube cap is arranged on one side of the tube seat, and the lens is arranged on one end, departing from the tube seat, of the tube cap.

5. The BOSA dual transmission structure according to claim 4, further comprising:

a 0 degree filter disposed in the lens.

6. The BOSA dual emission structure of claim 5, wherein the laser diode further comprises:

the connecting seat, the connecting seat set up in the pipe cap deviates from the one end of pipe seat, and be located inside the pipe cap, the connecting seat is provided with the step hole, the step hole includes first heavy platform, first heavy platform is located respectively the connecting seat is close to one of pipe cap is served, lens set up in on the first heavy platform.

7. The BOSA dual emission structure of claim 6, wherein the stepped bore comprises:

the second sinking platform is positioned at one end, deviating from the pipe cap, of the connecting seat, and the 0-degree optical filter is arranged on the second sinking platform.

8. The BOSA dual transmission architecture according to claim 1, further comprising:

the first isolator is accommodated in the accommodating cavity and attached to the base, and the first isolator is located on an emergent light path of the first light emitter.

9. The BOSA dual transmission architecture according to claim 1, further comprising:

and the second isolator is accommodated in the accommodating cavity and attached to the base, and is positioned on an emergent light path of the second light emitter.

10. An optical communication device comprising the BOSA dual emission structure according to any one of claims 1 to 9.

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