CN103701532A - 10G PON (passive optical network) OLT (optical line terminal) optical assembly structure - Google Patents

10G PON (passive optical network) OLT (optical line terminal) optical assembly structure Download PDF

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Publication number
CN103701532A
CN103701532A CN201310734178.4A CN201310734178A CN103701532A CN 103701532 A CN103701532 A CN 103701532A CN 201310734178 A CN201310734178 A CN 201310734178A CN 103701532 A CN103701532 A CN 103701532A
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Prior art keywords
assembly structure
optical
filter
optical assembly
lens
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CN201310734178.4A
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CN103701532B (en
Inventor
刘成刚
米全林
郑盼
董浩
胡百泉
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Wuhan Telecommunication Devices Co Ltd
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Wuhan Telecommunication Devices Co Ltd
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Abstract

The invention provides a 10G PON (passive optical network) OLT (optical line terminal) optical assembly structure, which comprises a first emitting device, a second emitting device, a receiving device, an optical filtering device, a square and circle combining part and an optical adapter. The 10G PON OLT optical assembly structure is characterized in that the left side and the right side of the square and circle combining part are connected with the first emitting device and the optical adapter, in addition, the upper side and the lower side of the square and circle combining part are connected with the receiving device and the second emitting device, the optical filtering device is arranged in an inner cavity of the square and circle combining part and comprises a first optical filter and a second optical filter, the front side and the back side of the first optical filter are respectively arranged correspondingly to the first emitting device and the second emitting device, and the front side and the back side of the second optical filter are respectively arranged correspondingly to the back side of the first optical filter and the receiving device. Through the structure or the construction combination, the 10G PON OLT optical assembly structure is realized, so good effects of compatibility, good packaging performance and low cost are reached.

Description

A kind of 10G PON OLT optical assembly structure
Technical field
The present invention relates to optical communication field, refer in particular to a kind of 10G PON OLT optical assembly structure.
Background technology
10G PON has that standard is complete, the smooth upgrade that can meet PON network, the advantage that builds unified PON technical system of future generation, and has taken into full account the complete compatibility with existing PON network.Based on this demand, in networked physics layer OLT end, need a kind of new optical assembly.
Summary of the invention
For solving the problems of the technologies described above, main purpose of the present invention is to propose a kind of 10G PON OLT optical assembly structure, and this optical assembly structure is applicable to 10G PON network, has solved the technical problem of compatible existing PON network simultaneously.
For reaching above-mentioned purpose, the right technical scheme of the present invention is: a kind of 10G PON OLT optical assembly structure, comprise the first emitter, the second emitter, receiving system, filtering apparatus, circumference joint portion and optical adapter, wherein: this left and right, circumference joint portion connects the first emitter and optical adapter and connects up and down this receiving system and the second emitter, this filtering apparatus is located at circumference joint portion inner chamber and is comprised first, the second filter, described the first filter tow sides correspond respectively to first, the second emitter setting, and the second filter tow sides correspond respectively to the first filter reverse side and this receiving system setting.
Preferred in embodiments of the present invention: the first described emitter comprises the first transmitter unit, the first coupled lens and isolator.
Preferred in embodiments of the present invention: the first described contrive equipment further comprises front lens and rear lens.
Preferred in embodiments of the present invention: described front lens and rear lens are arranged between this first transmitter unit and isolator and front lens and rear lens are symmetric mode setting.
Preferred in embodiments of the present invention: described the first transmitter unit comprises 10G transmitter module, the second described transmitter unit comprises 1G transmitter module, and described receiving element comprises the compatible 1G receiver module of 10G.
Preferred in embodiments of the present invention: described circumference joint portion has the first, second, third and the 4th connecting portion.
Preferred in embodiments of the present invention: the first described transmitter unit utilizing emitted light is coupled to first, second filter and this optical adapter by the first coupled lens.
Preferred in embodiments of the present invention: the second described transmitter unit utilizing emitted light reflexes to the second filter and this optical adapter is coupled by the second coupled lens to the first filter.
Preferred in embodiments of the present invention: the focal length of described rear lens is 1mm ± 0.5mm.
Compared with prior art, its useful effect is in the present invention:
Technique of the present invention is simple to operation, and follow-up photoelectricity module package and equipment are easy to use, and function admirable is with low cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of facing of the embodiment of the present invention.
Fig. 2 is the perspective view of first embodiment of the invention.
Fig. 3 is internal structure and the light channel structure schematic diagram of first embodiment of the invention.
Fig. 4 is the perspective view of second embodiment of the invention.
Fig. 5 is internal structure and the light channel structure schematic diagram of second embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated.
the first embodiment:
Refer to Fig. 1 also in conjunction with consulting shown in Fig. 2 and Fig. 3, the invention provides a kind of 10G PON OLT optical assembly structure, comprise the first emitter 10, the second emitter 20, receiving system 30, filtering apparatus 40, circumference joint portion 50 and optical adapter 60, described circumference joint portion 50 is connected the first emitter 10 with optical adapter 60 left and right, and receiving system 30 is connected with the second emitter 20.Wherein: this first emitter 10 encapsulates and comprises the first transmitter unit (1577nm Tx 10G) the 11, first coupled lens (coupling lens) 12 and isolator (ISO) 13 for coaxial TO-CAN; Described the first transmitter unit 11 comprises 10G transmitter module, and its work centre wavelength is 1577nm, and described the first coupled lens 12 is located between this first transmitter unit 11 and isolator 13; This second emitter 20 comprises the second transmitter unit (1490Dnm Tx 1G) the 21 and second coupled lens (coupling lens) 22, and described the second transmitter unit 21 comprises 1G transmitter module, and its work centre wavelength is 1490nm; This receiving system 30 comprises receiving element (127Dnm Rx 10G & 131Dnm Rx 1G) the 31 and the 3rd coupled lens (coupling lens) 32, described receiving element 31 comprises the compatible 1G receiver module of 10G, wherein 10G operation wavelength is 1270nm, and 1G work centre wavelength is 1310nm; This filtering apparatus 40 is located at circumference joint portion 50 inner chambers and is comprised first, second filter (RTT) 41,42, this first, second filter (RTT) 41,42 arranges with relative 45° angle degree respectively, the positive and negative plane of incidence of wherein said the first filter 41 is corresponding the first emitter 10 and the second emitter 20 installations respectively, and corresponding the first filter 41 and receiving system 30 installations respectively of the positive and negative plane of incidence of the second filter 42;
This circumference joint portion 50 is accommodated this filtering apparatus 40 in inner chamber and is had the first, second, third and the 4th connecting portion 51,52,53,54 with the first emitter 10, the second emitter 20, receiving system 30 and optical adapter 60 combinations.
In embodiments of the present invention, the light intensity of the first transmitter unit 11 transmittings is through the first coupled lens 12 optically focused, by isolator (ISO) 13, incide after the front optical filtering of the first filter 41, direct projection the second filter 42 fronts, the light intensity of the second transmitter unit 21 transmittings incides the reverse side of the first filter 41 and reflexes to the second filter 42 fronts after the second coupled lens 22 optically focused simultaneously, after yet the second filter 42 filters, by reverse side, to the 3rd coupled lens 32, reflect, after the 3rd coupled lens 32 optically focused, pass to receiving element 31.
In embodiments of the present invention, the device roll adjustment being provided with by connecting portion 51 between the first emitter 10 and this circumference joint portion 50, can adjust X, Y, tri-directions of Z, and wherein Z direction is continuous adjustable structure.
In embodiments of the present invention, the first transmitter unit is coupled to optical adapter 60 by coupled lens and through the first filter (RTT45) 41 and the second filter (RRT45) 42.
the second embodiment:
Refer to Fig. 1 also in conjunction with consulting shown in Fig. 4 and Fig. 5, a kind of 10G PON OLT optical assembly structure of the present embodiment, compare with above-mentioned the first embodiment, its difference is first structure of contrive equipment 10 and the combination of structure thereof, in order to save space and not repeat, repeat, the present embodiment is only explained the first contrive equipment 10 of difference part:
This first contrive equipment 10 is for butterfly encapsulation and set up front lens (forward lens) 14 and rear lens (rear lens) in conjunction with the first transmitter unit 11, and the setting position of correspondingly having adjusted isolator (ISO) 13 and the first coupled lens (coupling lens) 12.Particularly, between the first transmitter unit 11 and isolator 13, be provided with front lens 14 and rear lens 15, and front lens 14 and rear lens 15 are corresponding situation setting, wherein the focal length of rear lens 15 is 1mm ± 0.5mm, focused light is injected after isolator 13 to the first coupled lens 12, this first coupled lens 12 focuses on backward described the first filter 41 front projection.
To sum up in two embodiment, the concise and to the point operating principle of the second contrive equipment 20 is: the second invention unit 21 is coupled by the first filter 41 reflection and the second filter 42 transmissions and optical adapter, wherein: the device roll adjustment being provided with by connecting portion 52 between this second transmitter unit 20 and circumference joint portion 50, can adjust X, Y, tri-directions of Z.
To sum up, in two embodiment, this receiving element is coupled with optical adapter by the second filter reflection, wherein: the device roll adjustment being provided with by connecting portion 53 between receiving element 30 and circumference joint portion 50, can adjust X, Y both direction.
In sum, only, for the present invention's preferred embodiment, with this, do not limit protection scope of the present invention, all equivalences of doing according to the scope of the claims of the present invention and description change and modify, within being all the scope that patent of the present invention contains.

Claims (9)

1. a 10G PON OLT optical assembly structure, comprise the first emitter, the second emitter, receiving system, filtering apparatus, circumference joint portion and optical adapter, it is characterized in that: this left and right, circumference joint portion connects the first emitter and optical adapter and connects up and down this receiving system and the second emitter, this filtering apparatus is located at circumference joint portion inner chamber and is comprised first, the second filter, described the first filter tow sides correspond respectively to first, the second emitter setting, and the second filter tow sides correspond respectively to the first filter reverse side and this receiving system setting.
2. 10G PON OLT optical assembly structure as claimed in claim 1, is characterized in that: the first described emitter comprises the first transmitter unit, the first coupled lens and isolator.
3. 10G PON OLT optical assembly structure as claimed in claim 2, is characterized in that: the first described contrive equipment further comprises front lens and rear lens.
4. 10G PON OLT optical assembly structure as claimed in claim 3, is characterized in that: described front lens and rear lens are arranged between this first transmitter unit and isolator and front lens and rear lens are symmetric mode setting.
5. 10G PON OLT optical assembly structure as claimed in claim 4, is characterized in that: described the first transmitter unit comprises 10G transmitter module, and the second described transmitter unit comprises 1G transmitter module, and described receiving element comprises the compatible 1G receiver module of 10G.
6. 10G PON OLT optical assembly structure as claimed in claim 5, is characterized in that: described circumference joint portion has the first, second, third and the 4th connecting portion.
7. 10G PON OLT optical assembly structure as claimed in claim 6, is characterized in that: the first described transmitter unit utilizing emitted light is coupled to first, second filter and this optical adapter by the first coupled lens.
8. 10G PON OLT optical assembly structure as claimed in claim 6, is characterized in that: the second described transmitter unit utilizing emitted light reflexes to the second filter and this optical adapter is coupled by the second coupled lens to the first filter.
9. 10G PON OLT optical assembly structure as claimed in claim 6, is characterized in that: the focal length of described rear lens is 1mm ± 0.5mm.
CN201310734178.4A 2013-12-27 2013-12-27 A kind of 10G PON OLT optical assembly structures Active CN103701532B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104317015A (en) * 2014-10-13 2015-01-28 四川光恒通信技术有限公司 Single-fibre four directional receiving and dispatching device and packing method
CN112285846A (en) * 2019-07-22 2021-01-29 青岛海信宽带多媒体技术有限公司 Optical transceiving submodule and optical module
CN112859257A (en) * 2021-01-21 2021-05-28 瑞泰(威海)电子科技有限公司 Four-way optical path device compatible with 10G GPON and processing method

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CN2884703Y (en) * 2005-02-28 2007-03-28 武汉金石凯激光技术有限公司 Wave division multiplexer
CN201886180U (en) * 2010-11-18 2011-06-29 青岛海信宽带多媒体技术有限公司 Optical component for ONU (optical network unit) end of ten-gigabit EPON (Ethernet passive optical network)
CN202159164U (en) * 2011-08-02 2012-03-07 深圳新飞通光电子技术有限公司 Single fiber bidirectional light transmit-receive integrated assembly used in optical line terminal
CN102761366A (en) * 2012-07-10 2012-10-31 青岛海信宽带多媒体技术有限公司 Optical line terminal optical terminal used in 10 Gigabit passive optical network
KR101271424B1 (en) * 2011-09-19 2013-06-05 (주) 빛과 전자 10G PON Optical Sub-Assembly integrated on an OTDR
CN103259599A (en) * 2013-04-18 2013-08-21 青岛海信宽带多媒体技术有限公司 Passive optical network and double-system optical line terminal optical module

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2884703Y (en) * 2005-02-28 2007-03-28 武汉金石凯激光技术有限公司 Wave division multiplexer
CN201886180U (en) * 2010-11-18 2011-06-29 青岛海信宽带多媒体技术有限公司 Optical component for ONU (optical network unit) end of ten-gigabit EPON (Ethernet passive optical network)
CN202159164U (en) * 2011-08-02 2012-03-07 深圳新飞通光电子技术有限公司 Single fiber bidirectional light transmit-receive integrated assembly used in optical line terminal
KR101271424B1 (en) * 2011-09-19 2013-06-05 (주) 빛과 전자 10G PON Optical Sub-Assembly integrated on an OTDR
CN102761366A (en) * 2012-07-10 2012-10-31 青岛海信宽带多媒体技术有限公司 Optical line terminal optical terminal used in 10 Gigabit passive optical network
CN103259599A (en) * 2013-04-18 2013-08-21 青岛海信宽带多媒体技术有限公司 Passive optical network and double-system optical line terminal optical module

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104317015A (en) * 2014-10-13 2015-01-28 四川光恒通信技术有限公司 Single-fibre four directional receiving and dispatching device and packing method
CN112285846A (en) * 2019-07-22 2021-01-29 青岛海信宽带多媒体技术有限公司 Optical transceiving submodule and optical module
CN112859257A (en) * 2021-01-21 2021-05-28 瑞泰(威海)电子科技有限公司 Four-way optical path device compatible with 10G GPON and processing method

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