CN104950403A - Optical coupling module, photoelectric conversion device and optical communication device - Google Patents
Optical coupling module, photoelectric conversion device and optical communication device Download PDFInfo
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- CN104950403A CN104950403A CN201410115389.4A CN201410115389A CN104950403A CN 104950403 A CN104950403 A CN 104950403A CN 201410115389 A CN201410115389 A CN 201410115389A CN 104950403 A CN104950403 A CN 104950403A
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Abstract
The invention relates to an optical coupling module including a front optical coupling lens, a rear optical coupling lens and an optical filter. The optical filter is disposed between the front optical coupling lens and the rear optical coupling lens and fits with the front optical coupling lens and the rear optical coupling lens. The front optical coupling lens includes a first optical face and a third optical face. The rear optical coupling lens includes a second optical face. The first optical face and the third optical face are disposed on one side of the optical filter while the second optical face is disposed on the other side of the optical filter. The optical filter is used for reflecting light of a first wavelength and letting out light of a second wavelength which is different from the first wavelength, so that the light of the first wavelength penetrates through the first optical face and the third optical face and the light of the second wavelength penetrates through the second optical face and the third optical face. The invention also relates to a photoelectric conversion device including the optical coupling module and an optical communication device including the photoelectric converting device.
Description
Technical field
The present invention relates to optical communication field, especially in regard to a kind of optical coupler module, a kind ofly comprise the photoelectric conversion device of this optical coupler module and a kind of optical communication apparatus comprising this photoelectric conversion device.
Background technology
In prior art, the essential structure of optical communication apparatus is between the photoelectric conversion device at two ends by Fiber connection, the optical fiber be connected with traditional photoelectric conversion device including optical coupling lens can only carry out unidirectional optical transport usually, and two optical fiber need be used could to realize two-way optical communication.Along with the development of optical communication technique, the use of optical fiber is more and more general, how to control the important consideration that the usage quantity of optical fiber and manufacturing cost thereof have become technical field of photo communication.
Summary of the invention
In view of this, be necessary to provide a kind of can reduce optical fiber usage quantity optical coupler module, comprise the photoelectric conversion device of this optical coupler module and comprise the optical communication apparatus of this photoelectric conversion device.
A kind of optical coupler module comprises preposition optical coupling lens, rearmounted optical coupling lens and optical filter.This optical filter is between this preposition optical coupling lens and this rearmounted optical coupling lens and fit with this preposition optical coupling lens and this rearmounted optical coupling lens.This preposition optical coupling lens comprises the first optical surface and the 3rd optical surface.This rearmounted optical coupling lens comprises the second optical surface.This first optical surface and the 3rd optical surface are positioned at the same side of this optical filter, and this second optical surface is positioned at the opposite side of this optical filter.This optical filter, for reflecting the light of first wave length and allowing to be different from the ght transmission of the second wave length of first wave length, makes the light of first wave length transmit through this first optical surface and the 3rd optical surface and the light of second wave length is transmitted through this second optical surface and the 3rd optical surface.
A kind of photoelectric conversion device comprises circuit board, light emitting module, receipts optical module and optical coupler module as above.This light emitting module and this receipts optical module are positioned on this circuit board.This first optical surface is corresponding with one of them person of this light emitting module and this receipts optical module, and this second optical surface is corresponding with the other one of this light emitting module and this receipts optical module.
Multiple optical fiber that a kind of optical communication apparatus comprises first photoelectric conversion device, second photoelectric conversion device and is connected between this first photoelectric conversion device and this second photoelectric conversion device.This first photoelectric conversion device comprises first circuit board, the first light emitting module, first receives optical module and the first optical coupler module.This first light emitting module and this first receipts optical module are positioned on this first circuit board.This first optical coupler module comprises the first preposition optical coupling lens, the first rearmounted optical coupling lens and the first optical filter.This first optical filter is between this first preposition optical coupling lens and this first rearmounted optical coupling lens and fit with this first preposition optical coupling lens and this first rearmounted optical coupling lens.This first preposition optical coupling lens comprises the first optical surface and the 3rd optical surface.This first rearmounted optical coupling lens comprises the second optical surface.This first optical surface and the 3rd optical surface are positioned at the same side of this first optical filter, and this second optical surface is positioned at the opposite side of this first optical filter.This first optical filter, for reflecting the light of first wave length and allowing to be different from the ght transmission of the second wave length of first wave length, makes the light of first wave length transmit through this first optical surface and the 3rd optical surface and the light of second wave length is transmitted through this second optical surface and the 3rd optical surface.This first optical surface and this first light emitting module and this first to receive one of them person of optical module corresponding, this second optical surface and this first light emitting module and this first to receive the other one of optical module corresponding.
The first photoelectric conversion device that this optical communication apparatus that the invention provides adopts has identical structure with above-mentioned photoelectric conversion device, this optical coupler module of above-mentioned photoelectric conversion device comprises preposition optical coupling lens and this rearmounted optical coupling lens, and this optical filter is set in this preposition optical coupling lens and this rearmounted optical coupling lens, and the light reflection of this first wave length can allow the light of second wave length to pass by this optical filter, the light sent by this light emitting module is made to be coupled away by this optical coupler module and to enter in optical fiber, this optical coupler module is incident to and the light with the different wavelength of the light that sends from this light emitting module can be coupled in this receipts electro-optical device by this optical coupler module by this same fiber exit.So, this photoelectric conversion device that the invention provides and this optical communication apparatus can realize optical transport two-way in same optical fiber, and then can reduce the usage quantity of optical fiber in optical communication, cost-saving.
Accompanying drawing explanation
The schematic perspective view of the first photoelectric conversion device that Fig. 1 provides for first embodiment of the invention.
Fig. 2 is the decomposing schematic representation of the first photoelectric conversion device in Fig. 1.
Fig. 3 is the schematic perspective view of the first optical coupler module at another visual angle in Fig. 1 in the first photoelectric conversion device.
Fig. 4 be in Fig. 1 the first photoelectric conversion device along the diagrammatic cross-section of IV-IV line.
The schematic perspective view of the second photoelectric conversion device that Fig. 5 provides for second embodiment of the invention.
Fig. 6 is the decomposing schematic representation of the second photoelectric conversion device in Fig. 5.
Fig. 7 is the schematic perspective view of the second optical coupler module at another visual angle in Fig. 5 in the second photoelectric conversion device.
Fig. 8 be in Fig. 5 the second photoelectric conversion device along the diagrammatic cross-section of VIII-VIII line.
The diagrammatic cross-section of the optical communication apparatus that Fig. 9 provides for embodiment of the present invention.
Main element symbol description
First photoelectric conversion device 100
First circuit board 10
First surface 12
Second surface 14
First light emitting module 20
First receives optical module 25
First optical coupler module 30
First preposition optical coupling lens 40
First bottom surface 41
First side 42
First joint face 43
First bottom recesses 410
First optical surface 412
First optical lens 414
First lateral grooves 420
3rd optical surface 422
3rd optical lens 424
First connecting hole 429
First rearmounted optical coupling lens 45
Second bottom surface 46
First reflecting slant 47
Second joint face 48
Second bottom recesses 460
Second optical surface 462
Second optical lens 464
First optical filter 49
First optical filtering face 491
Second optical filtering face 492
Second photoelectric conversion device 200
Second circuit board 60
3rd surface 62
4th surface 64
Second light emitting module 70
Second receives optical module 75
Second optical coupler module 80
Second preposition optical coupling lens 90
3rd bottom surface 91
Second side 92
3rd joint face 93
3rd bottom recesses 910
4th optical surface 912
4th optical lens 914
Second lateral grooves 920
6th optical surface 922
6th optical lens 924
Second connecting hole 929
Second rearmounted optical coupling lens 95
4th bottom surface 96
Second reflecting slant 97
4th joint face 98
4th bottom recesses 960
5th optical surface 962
5th optical lens 964
Second optical filter 99
3rd optical filtering face 991
4th optical filtering face 992
Optical communication apparatus 300
Optical fiber 150
First end face 152
Second end face 154
Following embodiment will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Embodiment
To be described in further detail embodiment of the present invention below in conjunction with accompanying drawing.
As shown in Figure 1 and 2, the first photoelectric conversion device 100 that first embodiment of the invention provides comprises a first circuit board 10, two the first light emitting modules 20, two first and receives optical module 25 and first optical coupler module 30.
This first circuit board 10 comprises first surface 12 and second surface 14.This first surface 12 and this second surface 14 lay respectively at the opposing both sides of this first circuit board 10.
These two the first light emitting modules 20 and these two first receipts optical modules 25 are all positioned on this second surface 14.In present embodiment, the straight line that these two the first light emitting modules 20 arrange with these two first receive optical module 25 the straight line that arranges parallel, and these two the first light emitting modules 20 and these two first receipts optical modules 25 lay respectively on four angles of a rectangle frame.In present embodiment, these two the first light emitting modules 20 are for sending the light of first wave length.Receive optical module 25 for receiving the light of the second wave length being different from first wave length for these two first.These two the first light emitting modules 20 are vertical cavity surface laser diode (VCSEL), and these two first are received optical module 25 is photodiode.
This first optical coupler module 30 is positioned on this second surface 14.This first optical coupler module 30 comprises a first preposition optical coupling lens 40, first rearmounted optical coupling lens 45 and first optical filter 49.This first optical filter 49 between this first preposition optical coupling lens 40 and this first rearmounted optical coupling lens 45, and is fitted with this first preposition optical coupling lens 40 and this first rearmounted optical coupling lens 45.
Composition graphs 3 ~ 4, this first preposition optical coupling lens 40 comprises the first side 42,41, one, first bottom surface and first joint face 43.Fit with this second surface 14 in this first bottom surface 41.This first side 42 is perpendicular to this first bottom surface 41.This first joint face 43 tilts towards this first bottom surface 41 and this first side 42, and this first joint face 43 tilts 45 degree relative to this first bottom surface 41 and this first side 42.This first bottom surface 41 offers first bottom recesses 410, this first bottom recesses 410 caves in along the direction perpendicular to this first bottom surface 41 towards this first joint face 43.This first bottom recesses 410 has first optical surface 412.This first optical surface 412 is parallel with this first bottom surface 41, and namely this first joint face 43 tilts 45 degree relative to this first optical surface 412.This first optical surface 412 is provided with two the first optical lenses 414.In present embodiment, these two the first optical lenses 414 are aimed at one by one with these two the first light emitting modules 20 respectively.This first side 42 offers first lateral grooves 420 and two the first connecting holes 429.These two the first connecting holes 429 lay respectively at the both sides of this first lateral grooves 420.These two the first connecting holes 429 are for carrying out grafting by this first optical coupler module 30 with other element.This first lateral grooves 420 caves in along the direction perpendicular to this first side 42 towards this first joint face 43.This first lateral grooves 420 has the 3rd optical surface 422.3rd optical surface 422 is parallel with this first side 42, and namely this first joint face 43 tilts 45 degree relative to the 3rd optical surface 422.3rd optical surface 422 is provided with two the 3rd optical lenses 424.These two the 3rd optical lenses 424 and these two the first optical lens 414 one_to_one corresponding.
This first rearmounted optical coupling lens 45 comprises 46, one, second bottom surface the first reflecting slant 47 and second joint face 48.Fit with this second surface 14 in this second bottom surface 46.This first reflecting slant 47 is parallel with this second joint face 48.This first reflecting slant 47 and this second joint face 48 tilt 45 degree relative to this second bottom surface 46.Light reflection in this first rearmounted optical coupling lens 45 can return in this first rearmounted optical coupling lens 45 by this first reflecting slant 47.This second bottom surface 46 offers second bottom recesses 460, this second bottom recesses 460 is towards the direction depression deviating from this second bottom surface 46.This second bottom recesses 460 has second optical surface 462.This second optical surface 462 is parallel with this second bottom surface 46, and namely this first reflecting slant 47 and this second joint face 48 tilt 45 degree relative to this second optical surface 462.This first optical surface 412 and the 3rd optical surface 422 are positioned at the same side of this first optical filter 49, and this second optical surface 462 is positioned at the opposite side of this first optical filter 49.In present embodiment, this second optical surface 462 flushes with this first optical surface 412.This second optical surface 462 is provided with two the second optical lenses 464.In present embodiment, these two the second optical lenses 464 are received optical module 25 with these two first respectively and are aimed at one by one.These two the second optical lenses 464 respectively with these two the 3rd optical lens 424 one_to_one corresponding.
This first optical filter 49 comprises a first optical filtering face 491 and a second optical filtering face 492.This first optical filtering face 491 lays respectively at the opposing both sides of this first optical filter 49 with this second optical filtering face 492.This first optical filter 49 is between this first preposition optical coupling lens 40 and this first rearmounted optical coupling lens 45, particularly, this first optical filter 49 is between this first joint face 43 and this second joint face 48, and fit with this first joint face 43 in this first optical filtering face 491, fit with this second joint face 48 in this second optical filtering face 492.This first optical filter 49 is parallel with this first reflecting slant 47, and this first optical filter 49 tilts 45 degree relative to this first optical surface 412 and the 3rd optical surface 422.This first optical filter 49 is two tropism's optical filters (dichroic filter), and the light reflection of a specific wavelength can be allowed the ght transmission of an other specific wavelength by this first optical filter 49.Particularly, this first optical filter 49 can by the light reflection of this first wave length by the ght transmission of this second wave length.
During work, in present embodiment, these two the first light emitting modules 20 send the light of this first wave length, the light of this first wave length sent by these two the first light emitting modules 20 is incident to this first preposition optical coupling lens 40 via these two the first optical lenses 414 respectively, and the light being incident to this first wave length of this first preposition optical coupling lens 40 via this first optical lens 414 reflexes to the 3rd optical lens 424 by this first optical filter 49 and by the 3rd optical lens 424 outgoing.The light of this second wave length is incident to this first preposition optical coupling lens 40 via these two the 3rd optical lenses 424, the light being incident to this second wave length of this first preposition optical coupling lens 40 via the 3rd optical lens 424 is transmitted through this first rearmounted optical coupling lens 45 by this first optical filter 49 and is incident to this first reflecting slant 47, this first reflecting slant 47 is by the light reflection of this second wave length to this second optical lens 464, and the light of this second wave length receives optical module 25 via being incident to these two first after these two the second optical lens 464 outgoing respectively.
This first optical filter 49 is arranged between this first preposition optical coupling lens 40 and this first rearmounted optical coupling lens 45 by this first optical coupler module 30 in this first photoelectric conversion device 100 that first embodiment of the invention provides, the light of the first wave length sent by this first light emitting module 20 can be coupled away by this first preposition optical coupling lens 40, and the light of the second wave length being incident to this first preposition optical coupling lens 40 can be made to this first rearmounted optical coupling lens 45, and be coupled to this first receipts optical module 25 via this first rearmounted optical coupling lens 45.This first optical coupler module 30 so in this first photoelectric conversion device 100 can realize the transmitted in both directions of light in an optical channel.
In addition, in other embodiments, these two the first optical lenses 414 also can be received optical module 25 and aim at one by one with these two first, and these two the second optical lenses 464 are aimed at one by one with these two the first light emitting modules 20, these two the first light emitting modules 20 are all for sending the light of second wave length, and these two first are received optical module 25 all for receiving the light of first wave length, now, the light reflection of this first wave length also can be allowed the ght transmission of this second wave length by this first optical filter 49.
As shown in Fig. 6 ~ 7, the second photoelectric conversion device 200 that second embodiment of the invention provides comprises a second circuit board 60, two the second light emitting modules 70, two second and receives optical module 75 and second optical coupler module 80.
This second circuit board 60 comprises the 3rd surface 62 and the 4th surface 64.3rd surface 62 and the 4th surface 64 lay respectively at the opposing both sides of this second circuit board 60.
These two the second light emitting modules 70 and these two second receipts optical modules 75 are all positioned on the 4th surface 64.In present embodiment, the straight line that these two the second light emitting modules 70 arrange with these two second receive optical module 75 the straight line that arranges parallel, and these two the second light emitting modules 70 and these two second receipts optical modules 75 lay respectively on four angles of a rectangle frame.In present embodiment, these two the second light emitting modules 70 are for sending the light of second wave length.Receive optical module 75 for receiving the light of first wave length for these two second.These two the second light emitting modules 70 are vertical cavity surface laser diode (VCSEL), and these two second are received optical module 75 is photodiode.
This second optical coupler module 80 is positioned on the 4th surface 64.This second optical coupler module 80 comprises a second preposition optical coupling lens 90, second rearmounted optical coupling lens 95 and second optical filter 99.This second optical filter 99 between this second preposition optical coupling lens 90 and this second rearmounted optical coupling lens 95, and is fitted with this second preposition optical coupling lens 90 and this second rearmounted optical coupling lens 95.
Composition graphs 7 ~ 8, this second preposition optical coupling lens 90 comprises 91, second side 92, the 3rd bottom surface and the 3rd joint face 93.Fit with the 4th surface 64 in 3rd bottom surface 91.This second side 92 is perpendicular to the 3rd bottom surface 91.3rd joint face 93 tilts towards the 3rd bottom surface 91 and this second side 92, and the 3rd joint face 93 tilts 45 degree relative to the 3rd bottom surface 91 and this second side 92.3rd bottom surface 91 offers the 3rd bottom recesses the 910, three bottom recesses 910 to cave in along the direction perpendicular to the 3rd bottom surface 91 towards the 3rd joint face 93.3rd bottom recesses 910 has the 4th optical surface 912.4th optical surface 912 is parallel with the 3rd bottom surface 91, and namely the 3rd joint face 93 tilts 45 degree relative to the 4th optical surface 912.4th optical surface 912 is provided with two the 4th optical lenses 914.In present embodiment, these two the 4th optical lenses 914 are aimed at one by one with these two the second light emitting modules 70 respectively.This second side 92 offers second lateral grooves 920 and two the second connecting holes 929.These two the second connecting holes 929 lay respectively at the both sides of this second lateral grooves 920.These two the second connecting holes 929 are for carrying out grafting by this second optical coupler module 80 with other element.This second lateral grooves 920 caves in along the direction perpendicular to this second side 92 towards the 3rd joint face 93.This second lateral grooves 920 has the 6th optical surface 922.6th optical surface 922 is parallel with this second side 92, and namely the 3rd joint face 93 tilts 45 degree relative to the 6th optical surface 922.6th optical surface 922 is provided with two the 6th optical lenses 924.These two the 6th optical lenses 924 and these two the 4th optical lens 914 one_to_one corresponding.
This second rearmounted optical coupling lens 95 comprises 96, second reflecting slant 97 in the 4th bottom surface and the 4th joint face 98.Fit with the 4th surface 64 in 4th bottom surface 96.This second reflecting slant 97 is parallel with the 4th joint face 98.This second reflecting slant 97 and the 4th joint face 98 tilt 45 degree relative to the 4th bottom surface 96.Light reflection in this second rearmounted optical coupling lens 95 can return in this second rearmounted optical coupling lens 95 by this second reflecting slant 97.4th bottom surface 96 offers the 4th bottom recesses the 960, four bottom recesses 960 towards the direction depression deviating from the 4th bottom surface 96.4th bottom recesses 960 has the 5th optical surface 962.5th optical surface 962 is parallel with the 4th bottom surface 96, and namely this second reflecting slant 97 and the 4th joint face 98 tilt 45 degree relative to the 5th optical surface 962.4th optical surface 912 and the 6th optical surface 922 are positioned at the same side of this second optical filter 99, and the 5th optical surface 962 is positioned at the opposite side of this second optical filter 99.In present embodiment, the 5th optical surface 962 flushes with the 4th optical surface 912.5th optical surface 962 is provided with two the 5th optical lenses 964.In present embodiment, these two the 5th optical lenses 964 are received optical module 75 with these two second respectively and are aimed at one by one.These two the 5th optical lenses 964 respectively with these two the 6th optical lens 924 one_to_one corresponding.
This second optical filter 99 comprises a 3rd optical filtering face 991 and a 4th optical filtering face 992.3rd optical filtering face 991 lays respectively at the opposing both sides of this second optical filter 99 with the 4th optical filtering face 992.This second optical filter 99 is between this second preposition optical coupling lens 90 and this second rearmounted optical coupling lens 95, particularly, this second optical filter 99 is between the 3rd joint face 93 and the 4th joint face 98, and fit with the 3rd joint face 93 in the 3rd optical filtering face 991, fit with the 4th joint face 98 in the 4th optical filtering face 992.This second optical filter 99 is parallel with this second reflecting slant 97, and this second optical filter 99 tilts 45 degree relative to the 4th optical surface 912 and the 6th optical surface 922.This second optical filter 99 is also two tropism's optical filters (dichroic filter), and the light reflection of a specific wavelength also can be allowed the ght transmission of an other specific wavelength by this second optical filter 99.Particularly, compared to the first optical filter 49 of the first embodiment, this second optical filter 99 can by the light reflection of this second wave length by the ght transmission of this first wave length.
During work, in present embodiment, these two the second light emitting modules 70 send the light of this second wave length, the light of this second wave length sent by these two the second light emitting modules 70 is incident to this second preposition optical coupling lens 90 via these two the 4th optical lenses 914 respectively, and the light being incident to this second wave length of this second preposition optical coupling lens 90 via the 4th optical lens 914 reflexes to the 6th optical lens 924 by this second optical filter 99 and by the 6th optical lens 924 outgoing.The light of this first wave length is incident to this second preposition optical coupling lens 90 via these two the 6th optical lenses 924, the light being incident to this first wave length of this second preposition optical coupling lens 90 via the 6th optical lens 924 is transmitted through this second rearmounted optical coupling lens 95 by this second optical filter 99 and is incident to this second reflecting slant 97, this second reflecting slant 97 is by the light reflection of this first wave length to the 5th optical lens 964, and the light of this first wave length receives optical module 75 via being incident to these two second after these two the 5th optical lens 964 outgoing respectively.
This second optical filter 99 is arranged between this second preposition optical coupling lens 90 and this second rearmounted optical coupling lens 95 by this second optical coupler module 80 in this second photoelectric conversion device 200 that second embodiment of the invention provides, the light of the second wave length sent by this second light emitting module 70 can be coupled away by this second preposition optical coupling lens 90, and the light of the first wave length being incident to this second preposition optical coupling lens 90 can be made to this second rearmounted optical coupling lens 95, and be coupled to this second receipts optical module 75 via this second rearmounted optical coupling lens 95.This second optical coupler module 80 so in this second photoelectric conversion device 200 can realize the transmitted in both directions of light in an optical channel.
In addition, in other embodiments, these two the 4th optical lenses 914 also can be received optical module 75 and aim at one by one with these two second, and these two the 5th optical lenses 964 are aimed at one by one with these two the second light emitting modules 70, these two the second light emitting modules 70 are all for sending the light of first wave length, and these two second are received optical module 75 all for receiving the light of second wave length, now, the light reflection of this second wave length also can be allowed the ght transmission of this first wave length by this second optical filter 99.
Incorporated by reference to Fig. 9, optical communication apparatus 300 provided by the invention comprises the second photoelectric conversion device 200 and two optical fiber 150 that this first photoelectric conversion device 100, as above provided in the first embodiment as above provided in the second embodiment.The concrete structure of this first photoelectric conversion device 100 and this second photoelectric conversion device 200 does not repeat them here.
These two optical fiber 150 are arranged side by side and are connected to (Fig. 5 is the diagrammatic cross-section of this optical communication apparatus 300, only demonstrates an optical fiber 150, and an other optical fiber 150 is blocked) between this first photoelectric conversion device 100 and this second photoelectric conversion device 200.This optical fiber 150 each all has the first end face 152 and the second end face 154, and this first end face 152 and this second end face 154 lay respectively at the two ends of this optical fiber 150.This first end face 152 of these two optical fiber 150 is all relative with this first preposition optical coupling lens 40, and particularly, this first end face 152 of these two optical fiber 150 is aimed at one by one with these two the 3rd optical lenses 424 respectively.This second end face 154 of these two optical fiber 150 is all relative with this second preposition optical coupling lens 90, and particularly, this second end face 154 of these two optical fiber 150 is aimed at one by one with these two the 6th optical lenses 924 respectively.The light of the light of this first wave length and this second wave length all can transmit in each optical fiber 150.
During work, in present embodiment, this first light emitting module 20 each sends the light of first wave length, the light of this first wave length sent by these two the first light emitting modules 20 is incident to this first preposition optical coupling lens 40 via these two the first optical lenses 414 respectively, the light being incident to this first wave length of this first preposition optical coupling lens 40 via this first optical lens 414 reflexes to the 3rd optical lens 424 by this first optical filter 49 and by the 3rd optical lens 424 outgoing, be incident in this optical fiber 150 by the light of the 3rd optical lens 424 outgoing via this first end face 152, the light of this first wave length transfers to this second end face 154 via this optical fiber 150 and by this second end face 154 outgoing, this the second preposition optical coupling lens 90 is incident to via the 6th optical lens 924 by the light of this first wave length of this second end face 154 outgoing, the light being incident to this first wave length of this second preposition optical coupling lens 90 via the 6th optical lens 924 is transmitted through this second rearmounted optical coupling lens 95 by this second optical filter 99 and is incident to this second reflecting slant 97, this second reflecting slant 97 by the light reflection of this first wave length to the 5th optical lens 964, the light of this first wave length receives optical module 75 via being incident to these two second after these two the 5th optical lens 964 outgoing respectively.
This second light emitting module 70 each sends the light of second wave length, the light of this second wave length sent by these two the second light emitting modules 70 is incident to this second preposition optical coupling lens 90 via these two the 4th optical lenses 914 respectively, the light being incident to this second wave length of this second preposition optical coupling lens 90 via the 4th optical lens 914 reflexes to the 6th optical lens 924 by this second optical filter 99 and by the 6th optical lens 924 outgoing, be incident in this optical fiber 150 by the light of the 6th optical lens 924 outgoing via this second end face 154, the light of this second wave length transfers to this first end face 152 via this optical fiber 150 and by this first end face 152 outgoing, this the first preposition optical coupling lens 40 is incident to via the 3rd optical lens 424 by the light of this second wave length of this first end face 152 outgoing, the light being incident to this second wave length of this first preposition optical coupling lens 40 via the 3rd optical lens 424 is transmitted through this first rearmounted optical coupling lens 45 by this first optical filter 49 and is incident to this first reflecting slant 47, this first reflecting slant 47 by the light reflection of this second wave length to this second optical lens 464, the light of this second wave length receives optical module 25 via being incident to these two first after these two the second optical lens 464 outgoing respectively.
This optical communication apparatus 300 that embodiment of the present invention provides adopts above-mentioned first photoelectric conversion device 100 and the second photoelectric conversion device 200, this first optical coupler module 30 of above-mentioned second photoelectric conversion device 200 comprises the first preposition optical coupling lens 40 and this first rearmounted optical coupling lens 45, and this first optical filter 49 is set in this first preposition optical coupling lens 40 and this first rearmounted optical coupling lens 45, and this first optical filter can by the light reflection of first wave length, by the ght transmission of second wave length, the light of this first wave length sent by this first light emitting module 20 is made to be coupled away by this first preposition optical coupling lens 40 and to enter in this optical fiber 150, by this same optical fiber 150 outgoing and be incident to the second wave length of this first optical coupler module 30 light can by this first optical coupler module 30 be coupled to this first receive optical module 25.This second optical coupler module 80 of above-mentioned second photoelectric conversion device 200 comprises the second preposition optical coupling lens 90 and the second rearmounted optical coupling lens 95, and this second optical filter 99 is set in this second preposition optical coupling lens 90 and this second rearmounted optical coupling lens 95, and this second optical filter 99 can by the light reflection of second wave length, by the ght transmission of first wave length, make the light of this second wave length sent by this second light emitting module 70 can be coupled in this optical fiber 150 by this second preposition optical coupling lens 90, simultaneously, the light being transferred to this first wave length of this second optical coupler module 80 by this same optical fiber 150 can be coupled in this second receipts optical module 75 by this second optical coupler module 80.So, this optical communication apparatus 300 that embodiment of the present invention provides adopts the first photoelectric conversion device 100 and this second photoelectric conversion device 200 can realize two-way optical transport in same optical fiber 150, and then the usage quantity of optical fiber in optical communication can be reduced, cost-saving.
Be understandable that, in other embodiments, this optical communication apparatus 300 also can be arranged in pairs or groups the first photoelectric conversion device of different permutation and combination and the second photoelectric conversion device, optionally aims at light emitting module or receive optical module and the optical filter coordinating optical characteristics corresponding also can make the first photoelectric conversion device and the second photoelectric conversion device realize two-way optical transport in same optical fiber by making the first optical lens, the second optical lens, the 3rd optical lens and the 4th optical lens.
Although the present invention discloses embodiment; but it is also not used to limit the present invention; any those skilled in the art; equivalent structure done under the prerequisite not departing from the spirit and scope of the present invention or the displacement of step; or the equivalent variations to do according to scope of patent protection of the present invention and modification, all still should belong to the category that this patent is contained.
Claims (15)
1. an optical coupler module, comprise preposition optical coupling lens, rearmounted optical coupling lens and optical filter, this optical filter is between this preposition optical coupling lens and this rearmounted optical coupling lens and fit with this preposition optical coupling lens and this rearmounted optical coupling lens, this preposition optical coupling lens comprises the first optical surface and the 3rd optical surface, this rearmounted optical coupling lens comprises the second optical surface, this first optical surface and the 3rd optical surface are positioned at the same side of this optical filter, this the second optical surface is positioned at the opposite side of this optical filter, this optical filter is for reflecting the light of first wave length and allowing to be different from the ght transmission of the second wave length of first wave length, the light of first wave length is transmitted through this first optical surface and the 3rd optical surface and makes the light of second wave length through this second optical surface and the transmission of the 3rd optical surface.
2. optical coupler module as claimed in claim 1, it is characterized in that, this rearmounted optical coupling lens also comprises a reflecting slant, and this reflecting slant is parallel with this optical filter and relative with this optical filter, and this reflecting slant and this second optical surface are positioned at the same side of this optical filter.
3. optical coupler module as claimed in claim 2, it is characterized in that, this first optical surface is provided with the first optical lens, this second optical surface is provided with the second optical lens, 3rd optical surface is provided with the 3rd optical lens, the 3rd optical lens and this first optical lens one_to_one corresponding and with this second optical lens one_to_one corresponding.
4. optical coupler module as claimed in claim 3, it is characterized in that, the light being incident to the second wave length of this rearmounted optical coupling lens by this second optical lens can be incident to the 3rd optical lens with via the 3rd optical lens outgoing through this optical filter by after the reflection of this reflecting slant, and be incident to the light of the second wave length of this preposition optical coupling lens by the 3rd optical lens can through this optical filter and be incident to this reflecting slant, the light of this second wave length is incident to this second optical lens with via this second optical lens outgoing after the reflection of this reflecting slant.
5. optical coupler module as claimed in claim 3, it is characterized in that, the light being incident to the first wave length of this preposition optical coupling lens by this first optical lens can be reflected by this optical filter and be incident to the 3rd optical lens with via the 3rd optical lens outgoing, and the light being incident to the first wave length of this preposition optical coupling lens by the 3rd optical lens can be reflected by this optical filter and be incident to this first optical lens with via this first optical lens outgoing.
6. a photoelectric conversion device, comprise circuit board, light emitting module, receipts optical module and optical coupler module as claimed in claim 1 or 2, this light emitting module and this receipts optical module are positioned on this circuit board, this first optical surface is corresponding with one of them person of this light emitting module and this receipts optical module, and this second optical surface is corresponding with the other one of this light emitting module and this receipts optical module.
7. photoelectric conversion device as claimed in claim 6, it is characterized in that, this first optical surface is provided with the first optical lens, this second optical surface is provided with the second optical lens, 3rd optical surface is provided with the 3rd optical lens, 3rd optical lens and this first optical lens one_to_one corresponding and with this second optical lens one_to_one corresponding, this first optical lens is aimed at this light emitting module, this second optical lens is aimed at this receipts optical module, this light emitting module is for sending the light of first wave length, and this receipts optical module is for receiving the light of second wave length.
8. photoelectric conversion device as claimed in claim 6, it is characterized in that, this first optical surface is provided with the first optical lens, this second optical surface is provided with the second optical lens, 3rd optical surface is provided with the 3rd optical lens, 3rd optical lens and this first optical lens one_to_one corresponding and with this second optical lens one_to_one corresponding, this first optical lens is aimed at this receipts optical module, this second optical lens is aimed at this light emitting module, this light emitting module is for sending the light of second wave length, and this receipts optical module is for receiving the light of first wave length.
9. an optical communication apparatus, comprise first photoelectric conversion device, second photoelectric conversion device and the multiple optical fiber be connected between this first photoelectric conversion device and this second photoelectric conversion device, this first photoelectric conversion device comprises first circuit board, first light emitting module, first receives optical module and the first optical coupler module, this first light emitting module and this first receipts optical module are positioned on this first circuit board, this first optical coupler module comprises the first preposition optical coupling lens, first rearmounted optical coupling lens and the first optical filter, this first optical filter is between this first preposition optical coupling lens and this first rearmounted optical coupling lens and fit with this first preposition optical coupling lens and this first rearmounted optical coupling lens, this first preposition optical coupling lens comprises the first optical surface and the 3rd optical surface, this first rearmounted optical coupling lens comprises the second optical surface, this first optical surface and the 3rd optical surface are positioned at the same side of this first optical filter, this the second optical surface is positioned at the opposite side of this first optical filter, this first optical filter is for reflecting the light of first wave length and allowing to be different from the ght transmission of the second wave length of first wave length, the light of first wave length is transmitted through this first optical surface and the 3rd optical surface and makes the light of second wave length through this second optical surface and the transmission of the 3rd optical surface, this first optical surface and this first light emitting module and this first to receive one of them person of optical module corresponding, this second optical surface and this first light emitting module and this first to receive the other one of optical module corresponding.
10. optical communication apparatus as claimed in claim 9, it is characterized in that, this first rearmounted optical coupling lens also comprises first reflecting slant, this first reflecting slant is parallel with this first optical filter and relative with this first optical filter, and this first reflecting slant and this second optical surface are positioned at the same side of this first optical filter.
11. optical communication apparatus as claimed in claim 9, it is characterized in that, this first optical surface is provided with the first optical lens, this second optical surface is provided with the second optical lens, 3rd optical surface is provided with the 3rd optical lens, 3rd optical lens and this first optical lens one_to_one corresponding and with this second optical lens one_to_one corresponding, this first optical lens is aimed at this first light emitting module, this second optical lens first is received optical module with this and is aimed at, this first light emitting module is for sending the light of first wave length, this the first receipts optical module is for receiving the light of second wave length.
12. optical communication apparatus as claimed in claim 11, it is characterized in that, this second photoelectric conversion device comprises second circuit board, second light emitting module, second receives optical module and the second optical coupler module, this second light emitting module and this second receipts optical module are positioned on this second circuit board, this second optical coupler module comprises the second preposition optical coupling lens, second rearmounted optical coupling lens and the second optical filter, this second optical filter is between this second preposition optical coupling lens and this second rearmounted optical coupling lens and fit with this second preposition optical coupling lens and this second rearmounted optical coupling lens, this second preposition optical coupling lens comprises the 4th optical surface and the 6th optical surface, this second rearmounted optical coupling lens comprises the 5th optical surface, 4th optical surface and the 6th optical surface are positioned at the same side of this second optical filter, 5th optical surface is positioned at the opposite side of this second optical filter, this second optical filter is for reflecting the light of first wave length and allowing ght transmission that the is different and second wave length of first wave length, the light of first wave length is transmitted through the 4th optical surface and the 6th optical surface and makes the light of second wave length through the 5th optical surface and the transmission of the 6th optical surface, second to receive optical module corresponding with this for 4th optical surface, 5th optical surface is corresponding with this second light emitting module, second receives optical module for receiving the light of first wave length, this second light emitting module is for sending the light of second wave length.
13. optical communication apparatus as claimed in claim 12, it is characterized in that, this second rearmounted optical coupling lens also comprises second reflecting slant, this second reflecting slant is parallel with this second optical filter and relative with this second optical filter, this second reflecting slant and the 5th optical surface are positioned at the same side of this second optical filter, 4th optical surface is provided with the 4th optical lens, 5th optical surface is provided with the 5th optical lens, 6th optical surface is provided with the 6th optical lens, 6th optical lens and the 4th optical lens one_to_one corresponding and with the 5th optical lens one_to_one corresponding, 4th optical lens second is received optical module with this and is aimed at, 5th optical lens is aimed at this second light emitting module.
14. optical communication apparatus as claimed in claim 11, it is characterized in that, this second photoelectric conversion device comprises second circuit board, second light emitting module, second receives optical module and the second optical coupler module, this second light emitting module and this second receipts optical module are positioned on this second circuit board, this second optical coupler module comprises the second preposition optical coupling lens, second rearmounted optical coupling lens and the second optical filter, this second optical filter is between this second preposition optical coupling lens and this second rearmounted optical coupling lens and fit with this second preposition optical coupling lens and this second rearmounted optical coupling lens, this second preposition optical coupling lens comprises the 4th optical surface and the 6th optical surface, this second rearmounted optical coupling lens comprises the 5th optical surface, 4th optical surface and the 6th optical surface are positioned at the same side of this second optical filter, 5th optical surface is positioned at the opposite side of this second optical filter, this second optical filter is used for the light of reflects second wavelength and allows the ght transmission of the first wave length being different from second wave length, the light of second wave length is transmitted through the 4th optical surface and the 6th optical surface and makes the light of first wave length through the 5th optical surface and the transmission of the 6th optical surface, 4th optical surface is corresponding with this second light emitting module, second to receive optical module corresponding with this for 5th optical surface, this second light emitting module is for sending the light of second wave length, this the second receipts optical module is for receiving the light of first wave length.
15. optical communication apparatus as claimed in claim 14, it is characterized in that, this second rearmounted optical coupling lens also comprises second reflecting slant, this second reflecting slant is parallel with this second optical filter and relative with this second optical filter, this second reflecting slant and the 5th optical surface are positioned at the same side of this second optical filter, 4th optical surface is provided with the 4th optical lens, 5th optical surface is provided with the 5th optical lens, 6th optical surface is provided with the 6th optical lens, 6th optical lens and the 4th optical lens one_to_one corresponding and with the 5th optical lens one_to_one corresponding, 4th optical lens is aimed at this second light emitting module, 5th optical lens second is received optical module with this and is aimed at.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410115389.4A CN104950403A (en) | 2014-03-26 | 2014-03-26 | Optical coupling module, photoelectric conversion device and optical communication device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410115389.4A CN104950403A (en) | 2014-03-26 | 2014-03-26 | Optical coupling module, photoelectric conversion device and optical communication device |
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| Publication Number | Publication Date |
|---|---|
| CN104950403A true CN104950403A (en) | 2015-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410115389.4A Pending CN104950403A (en) | 2014-03-26 | 2014-03-26 | Optical coupling module, photoelectric conversion device and optical communication device |
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| CN (1) | CN104950403A (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105954842A (en) * | 2016-07-11 | 2016-09-21 | 武汉优信光通信设备有限责任公司 | 100G optical device based on lens technology |
| CN108885318A (en) * | 2016-03-07 | 2018-11-23 | 恩普乐股份有限公司 | Optical receptacle and optical module |
| CN108957646A (en) * | 2018-08-17 | 2018-12-07 | 青岛海信宽带多媒体技术有限公司 | Optical module and communication equipment |
| CN110780396A (en) * | 2019-11-07 | 2020-02-11 | 武汉华工正源光子技术有限公司 | Dual-wavelength multichannel parallel transmission optical assembly |
| WO2020063514A1 (en) * | 2018-09-30 | 2020-04-02 | 阿里巴巴集团控股有限公司 | Optical module |
| CN110967793A (en) * | 2018-09-30 | 2020-04-07 | 阿里巴巴集团控股有限公司 | Optical module |
| CN112444922A (en) * | 2019-08-30 | 2021-03-05 | 阿里巴巴集团控股有限公司 | Optical module and light transmission component |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108885318A (en) * | 2016-03-07 | 2018-11-23 | 恩普乐股份有限公司 | Optical receptacle and optical module |
| CN105954842A (en) * | 2016-07-11 | 2016-09-21 | 武汉优信光通信设备有限责任公司 | 100G optical device based on lens technology |
| CN108957646A (en) * | 2018-08-17 | 2018-12-07 | 青岛海信宽带多媒体技术有限公司 | Optical module and communication equipment |
| CN108957646B (en) * | 2018-08-17 | 2019-09-17 | 青岛海信宽带多媒体技术有限公司 | Optical module and communication equipment |
| WO2020063514A1 (en) * | 2018-09-30 | 2020-04-02 | 阿里巴巴集团控股有限公司 | Optical module |
| CN110967793A (en) * | 2018-09-30 | 2020-04-07 | 阿里巴巴集团控股有限公司 | Optical module |
| CN112444922A (en) * | 2019-08-30 | 2021-03-05 | 阿里巴巴集团控股有限公司 | Optical module and light transmission component |
| CN110780396A (en) * | 2019-11-07 | 2020-02-11 | 武汉华工正源光子技术有限公司 | Dual-wavelength multichannel parallel transmission optical assembly |
| CN115291339A (en) * | 2021-05-03 | 2022-11-04 | 迈络思科技有限公司 | Optical communication module with improved security |
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