CN107046444A - Optical module and optical module - Google Patents
Optical module and optical module Download PDFInfo
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- CN107046444A CN107046444A CN201610082197.7A CN201610082197A CN107046444A CN 107046444 A CN107046444 A CN 107046444A CN 201610082197 A CN201610082197 A CN 201610082197A CN 107046444 A CN107046444 A CN 107046444A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2589—Bidirectional transmission
- H04B10/25891—Transmission components
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/40—Transceivers
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Abstract
This application discloses a kind of optical module and optical module, the optical module includes optical table and the wavelength-division multiplex/demultiplexing optical device being installed on the optical table, the optical table is provided with one or more optical port ends and one or more coupled lens, and the wavelength-division multiplex/demultiplexing optical device passive type is installed on the optical table；The optical module includes realizing optical coupling between wavelength-division multiplex/demultiplexing optical device in circuit board, the light receiving element and/or light emitting devices that are electrically connected with circuit board and the optical module being packaged on circuit board, the light receiving element and/or light emitting devices and the optical module.The application optical module is mounted on circuit board, and the simple in construction of whole optical module, small power consumption, cost are low；Wave band multiplex/demultiplex device on optical table is installed using passive type mounting means, eliminates the debugging after active installation and positioning step, and assembling is simple.
Description
Technical field
The application belongs to technical field of photo communication, and in particular to a kind of optical module and optical module with multi-wavelength/demultiplexing function.
Background technology
It is growing with communication field transmission capacity, traditional transmission technology has been difficult to meet the requirement of transmission capacity and transmission speed, in the field such as data-center applications field and internet core node, educational institution, search engine, large-scale website, high-performance calculation, to prevent the bandwidth resources of core network from occurring not enough, common carrier and service suppliers dispose to planning express network agreement of new generation.IEEE (Institute of Electrical and Electronics Engineers, IEEE) has formulated unified standard to 40Gbps the and 100Gbps Ethernets under P802.3ba engineering task forces.
However as rapid growth of the mankind to communication bandwidth requirements, existing communication systems face capacity and energy consumption two is challenged greatly.Due to that can provide bigger bandwidth in the case where smaller space, lower energy consumption take, the research and development on parallel optical module starts increasing.Parallel optical component is multiple multiple optical fiber of laser alignment in a single module, for example it is adapted to the 4 passage short distance transceiver modules that short distance high bandwidth calculates and exchanges application, be integrated with four it is independent send and receive passage, and be connected to a 12 passage multimode ribbon fibers.
Generally the optical module with wavelength-division multiplex/demultiplexing function includes optical table and wavelength-division multiplex/demultiplexing optical assembly, and wavelength-division multiplex/demultiplexing optical assembly is relative with optical table discrete in use, need that first wavelength-division multiplex/demultiplexing optical assembly is assembled in behind precalculated position, coupled lens in multiple adjustment light path etc., light path could be adjusted to need position, light path adjustment process is complex, and wavelength-division multiplex/demultiplexing optical assembly is relatively low relative to the positional precision of optical table.
The content of the invention
The embodiment of the application one provides a kind of optical module, the optical module includes optical table, and it is installed on wavelength-division multiplex/demultiplexing optical device on the optical table, the optical table is provided with one or more optical port ends and one or more coupled lens, the wavelength-division multiplex/demultiplexing optical device passive type is installed on the optical table, transferred out by the light of the wavelength-division multiplex/demultiplexing optical device by the optical port end, the coupled lens realize the optical coupling of wavelength-division multiplex/between demultiplexing optical device and optical port end, or the coupled lens realize the optical coupling between optical module and external devices.
In one embodiment, the optical table is located in the storage tank provided with some storage tanks for being depressed in optical table surface, the wavelength-division multiplex/demultiplexing optical device and coupled lens.
In one embodiment, the optical module includes the first coupled lens and the second coupled lens positioned at wavelength-division multiplex/demultiplexing optical assembly both sides, first coupled lens are located at wavelength-division multiplex/between demultiplexing optical device and optical port end, the optical table is provided with the first storage tank and the second storage tank, the wavelength-division multiplex/demultiplexing optical device passive type is installed in the first storage tank, and first coupled lens and the second coupled lens are located in the first storage tank and the second storage tank and are integrally formed setting with optical table respectively.
Being provided with one embodiment, in first storage tank is used for the first stopper slot that passive type installs wavelength-division multiplex/demultiplexing optical device.
In one embodiment, first stopper slot at least carries out spacing to wavelength-division multiplex/demultiplexing optical device in one direction.
In one embodiment, passive type is provided with some speculums on the optical table, and the speculum is located in the light path of wavelength-division multiplex/demultiplexing optical device and the second coupled lens.
In one embodiment, first storage tank and the second storage tank are respectively arranged on two relative surfaces of optical table.
In one embodiment, the optical table is installed on the optical table provided with some locating parts for protruding from optical table surface, the wavelength-division multiplex/demultiplexing optical device by the locating part passive type.
In one embodiment, the optical module includes the multiple wavelength-division multiplex/demultiplexing optical device being arranged side by side and corresponds the optical port end set with the wavelength-division multiplex/demultiplexing optical device.
In one embodiment, the optical module includes the optical port end that multiple wavelength-division multiplex/demultiplexing optical device for being arranged side by side is correspondingly arranged with the wavelength-division multiplex/demultiplexing optical assembly and the circulator components positioned at wavelength-division multiplex/between demultiplexing optical device and optical port end, and circulator components are used for the optical signal transmission that will be sent from two-way optical port end to each wavelength-division multiplex/demultiplexing optical device and by the optical signal transmission transmitted from each wavelength-division multiplex/demultiplexing optical device to two-way optical port end.
In one embodiment, the optical table is provided with the second stopper slot, and the circulator components passive type is installed in the second stopper slot.
Another embodiment of the application also provides a kind of optical module, the optical module includes circuit board, the light receiving element and/or light emitting devices that are electrically connected with circuit board and the optical module being packaged on circuit board, the optical module is to realize optical coupling between above-mentioned optical module, wavelength-division multiplex/demultiplexing optical device in the light receiving element and/or light emitting devices and the optical module.
Compared with prior art, in the technical scheme of the application,
Optical module is mounted on circuit board, and the simple in construction of whole optical module, small power consumption, cost are low；
Wavelength-division multiplex/demultiplexing optical device on optical table is installed using passive type mounting means, eliminates the debugging after active installation and positioning step, and assembling is simple；
Optical table is made of integrated die sinking mode, and optical port end, coupled lens and storage tank and stopper slot are integrated on optical table, with dimensional accuracy it is high the characteristics of.
Brief description of the drawings
Fig. 1 is the overlooking the structure diagram of optical module in the application first embodiment；
Fig. 2 is the side structure schematic view of optical module in the application first embodiment；
Fig. 3 is the scheme of installation of optical element and optical table in the application first embodiment；
Fig. 4 is the overlooking the structure diagram of optical module in the application second embodiment；
Fig. 5 is the side structure schematic view of optical module in the application second embodiment；
Fig. 6 is the overlooking the structure diagram of optical module in the embodiment of the application the 3rd；
Fig. 7 is the side structure schematic view of optical module in the embodiment of the application the 3rd；
Fig. 8 is the side structure schematic view of optical module in the embodiment of the application the 4th；
Fig. 9 is the side structure schematic view of optical module in the embodiment of the application the 5th；
Figure 10 is the side structure schematic view of optical module in the embodiment of the application the 6th.
Embodiment
The application is described in detail below with reference to embodiment shown in the drawings.But these embodiments are not intended to limit the application, structure that one of ordinary skill in the art is made according to these embodiments, method or conversion functionally are all contained in the protection domain of the application.
In each diagram of the application, for the ease of diagram, therefore structure or partial some sizes, can be only used for illustrating the basic structure of the theme of the application relative to other structures or partial enlargement.
It is used herein such as " on ", " top ", " under ", the term of representation space relative position " lower section " is in order at and is easy to the purpose of explanation to describe a unit as shown in the drawings or feature relative to another unit or the relation of feature.The term of relative space position can be intended to include different azimuth of the equipment in use or work in addition to orientation shown in figure.If for example, by figure equipment overturn, be described as being located at other units or feature " lower section " or " under " unit will be located at other units or feature " top ".Therefore, exemplary term " lower section " can include above and below both orientation.Equipment can be otherwise directed（It is rotated by 90 ° or other directions）, and correspondingly explain used herein and space correlation description language.
When element or layer be referred to as another part or layer " on ", with another part or layer " connection " when, its can directly on another part or layer, be connected to another part or layer, or there may be intermediary element or layer.On the contrary, when part is referred to as " directly on another part or layer ", " being connected directly between on another part or layer ", it is impossible to there is intermediate member or layer.
Join shown in Fig. 1, Fig. 2, introduce the optical module 100 in the application first embodiment, the optical module includes an optical table 110, optical table 110 is formed by plastic material, and optical table 110 is provided with an optical port end 120, a wavelength-division multiplex/demultiplexing optical device 130 and the first coupled lens 141 and the second coupled lens 142 positioned at wavelength-division multiplex/both sides of demultiplexing optical device 130.
Optical port end 120 is engaged with transmitting the optical fiber of multiple wavelength, for sending or receiving optical signal.Wavelength-division multiplex/demultiplexing optical assembly coordinates with the first coupled lens 141 and the second coupled lens 142, to optical port end or the optical signal all the way that optical port end is transmitted is demultiplexed into the different optical signal of multiple wavelength be transmitted available for multiple wavelength different optical signal point is multiplexed into optical signal transmission all the way, and then realize point multiplexing or the demultiplexing function of multi-wavelength.
Wavelength-division multiplex/demultiplexing optical device can be wavelength division multiplexed light device or demultiplexing optical device, the corresponding optical port end of wavelength-division multiplex optical device is transmitting optical port end, and wavelength-division multiplex optical device extremely launches point multiplexing function that multi-wavelength is realized at optical port end for multiple wavelength different optical signal point to be multiplexed into optical signal transmission all the way；The corresponding optical port end of optical device is demultiplexed to receive optical port end, the optical signal all the way for receiving the transmission of optical port end is demultiplexed into the different optical signal of multiple wavelength and is transmitted by demultiplexing optical device.
Wavelength-division multiplex optical device and demultiplexing optical device structure in the application is identical, include substrate and the total reflection slide and filter set that are integrated on substrate, optical signal from each optical filter is incident and substrate between optical filter and total reflection slide in outgoing or optical signal multiple reflections and from each filter plate outgoing in the substrate between optical filter and total reflection slide after multiple reflections.
Wherein, first coupled lens 141 are located between optical port end 120 and wavelength-division multiplex/demultiplexing optical device 130, second coupled lens 142 are a lens group, it is located at the opposite side of wavelength-division multiplex/demultiplexing optical device 130 side by side, some speculums 143 being correspondingly arranged with the second coupled lens 142 are additionally provided with the light path of the coupled lens 142 of wavelength-division multiplex/demultiplexing optical device 130 and second, for reflecting the optical signal between wavelength-division multiplex/demultiplex optical device 130 and the second coupled lens 142.
Wavelength-division multiplex/demultiplex optical assembly passive type is installed on optical table in present embodiment, first coupled lens and the second coupled lens are integrally formed setting with optical table, and the mounting means in present embodiment between wavelength-division multiplex/demultiplex optical device and optical table is elaborated below.
Join Fig. 1, Fig. 2 and with reference to shown in Fig. 3, optical table 110 is provided with some storage tanks for being depressed in optical table surface, including the first storage tank 111 and the second storage tank 112, first storage tank 111 and the second storage tank 112 are respectively arranged on two relative surfaces of optical table 110, and the shape of the first storage tank 111 and the second storage tank 112 is set to rectangle.The first stopper slot 113 is further provided with the bottom surface of first storage tank 111, and optical table, provided with the resettlement section 114 that bottom is inclined-plane, wavelength-division multiplex/demultiplexing optical device is located between resettlement section and optical port end.First coupled lens 141 are adjacent on the side of the side of optical port end 120 positioned at the first storage tank 111, wavelength-division multiplex/passive type of demultiplexing optical device 130 is installed in the first stopper slot 113 on the bottom surface of the first storage tank 111, second coupled lens 142 are located on the bottom surface of the second storage tank 112, and the passive type of speculum 143 is installed on the inclined-plane of resettlement section 114.Wherein, the first coupled lens and the second coupled lens and optical table are formed in one setting.
Specifically, the first stopper slot 113 at least carries out spacing to wavelength-division multiplex/demultiplexing optical device 130 in one direction.As in present embodiment, the length of first stopper slot 113 in the vertical is suitable with the wavelength-division multiplex/length of demultiplexing optical device 130 in the vertical, it is spacing to be carried out in a longitudinal direction to wavelength-division multiplex/demultiplexing optical device 130, and the width of the first stopper slot 113 in the horizontal is more than the wavelength-division multiplex/width of demultiplexing optical device 130 in the horizontal.The first stopper slot 113 substantially parallelogram is set in present embodiment, the predetermined installation site of wavelength-division multiplex/demultiplexing optical device 130 is located at the leftmost side of the first stopper slot 113, during installation, wavelength-division multiplex/demultiplexing optical device 130 is positioned in the first stopper slot 113 first, due to the first stopper slot can carry out in a longitudinal direction it is spacing, and can move in a lateral direction, wavelength-division multiplex/demultiplexing optical device 130 is pushed into the passive type installation that wavelength-division multiplex/demultiplexing optical device 130 can be achieved in the leftmost side along the first stopper slot 113 manually.
It should be understood that, the first stopper slot 113 can also carry out spacing to wavelength-division multiplex/demultiplexing optical device simultaneously in vertical and horizontal both direction in other embodiments, size such as the first stopper slot 113 and wavelength-division multiplex/demultiplexing optical device 130 is correspondingly arranged, and directly wavelength-division multiplex/demultiplexing optical device is put into the first stopper slot during installation.
The first storage tank 111, the second storage tank 112, the first stopper slot 113 and resettlement section 114 in present embodiment on optical table 110 need in advance be first passed through and set after optical alignment, then wavelength-division multiplex/passive type of demultiplexing optical device 130 is installed on optical table, it is ensured that all optical elements being installed on optical table are in the light path of optical module, adjusted without carrying out actively coupling to the optical element on optical table.
The shape of the first storage tank, the second storage tank and the first stopper slot is not limited to rectangle or parallelogram in present embodiment etc. in the application, and other can realize that the shape that optical element passive type is installed belongs to the scope that the application is protected.
The optical module 200 in the application second embodiment is introduced shown in ginseng Fig. 4, Fig. 5, the optical module includes an optical table 210, optical table 210 is formed by plastic material, from unlike first embodiment, optical table 210 in present embodiment is provided with two optical port ends 220, two wavelength-division multiplex/demultiplexing optical devices 230 and the first coupled lens 241 and the second coupled lens 242 positioned at wavelength-division multiplex/both sides of demultiplexing optical device 230.
First coupled lens 241 are located between optical port end 220 and wavelength-division multiplex/demultiplexing optical device 230, second coupled lens 242 are a lens group, it is located at the opposite side of wavelength-division multiplex/demultiplexing optical device 230 side by side, some speculums 243 being correspondingly arranged with the second coupled lens 242 are additionally provided with the light path of the coupled lens 242 of wavelength-division multiplex/demultiplexing optical device 230 and second, for reflecting the optical signal between wavelength-division multiplex/demultiplex optical device 230 and the second coupled lens 242.
Optical port end 220 is engaged, for sending or receiving optical signal to receive optical port end or transmitting optical port end with the optical fiber for transmitting multiple wavelength.Wavelength-division multiplex/demultiplexing optical device coordinates with the first coupled lens and the second coupled lens respectively, it is transmitted available for dividing the different optical signal of multiple wavelength to be multiplexed into optical signal transmission extremely transmitting optical port end all the way or the optical signal all the way for receiving the transmission of optical port end is demultiplexed into the different optical signal of multiple wavelength, and then realizes that dividing for multi-wavelength is multiplexed or demultiplexing function.
Preferably, an optical port end is reception optical port end in present embodiment, another optical port end is transmitting optical port end, wavelength-division multiplex/demultiplexing optical device 230 is a wavelength-division multiplex optical device and a demultiplexing optical device, the corresponding optical port end of wavelength-division multiplex optical device is transmitting optical port end, and wavelength-division multiplex optical device extremely launches point multiplexing function that multi-wavelength is realized at optical port end for multiple wavelength different optical signal point to be multiplexed into optical signal transmission all the way；The corresponding optical port end of optical device is demultiplexed to receive optical port end, the optical signal all the way for receiving the transmission of optical port end is demultiplexed into the different optical signal of multiple wavelength and is transmitted by demultiplexing optical device.Certainly, two optical port ends can also receive optical port end or transmitting optical port end simultaneously in other embodiments, to realize the parallel transmission of optical signal.
Optical table 210 is provided with some storage tanks for being depressed in optical table surface in present embodiment, including the first storage tank 211 and the second storage tank 212, first storage tank 211 and the second storage tank 212 are respectively arranged on two relative surfaces of optical table 210, and optical table, provided with the resettlement section 214 that bottom is inclined-plane, wavelength-division multiplex/demultiplexing optical device is located between resettlement section and optical port end.Two the first coupled lens 241 are adjacent on the side of the side of optical port end 220 positioned at the first storage tank 211, two wavelength-division multiplex/passive types of demultiplexing optical device 230 are installed on the bottom surface of the first storage tank 211, two group of second coupled lens 242 is located on the bottom surface of the second storage tank 212, two groups of passive types of speculum 243 are installed on the inclined-plane of resettlement section 214, and the first coupled lens 241 and the second coupled lens 242 are integrally formed setting with optical table 210.
Preferably, the bottom of first storage tank 211 can also further set the first stopper slot in two first embodiments, two wavelength-division multiplex/demultiplexing optical devices 230 are respectively arranged in the first stopper slot, installed with the passive type for realizing wavelength-division multiplex/demultiplexing optical device 230, first stopper slot joins first embodiment in detail, is no longer described in detail herein.
Compared with first embodiment, two optical port ends and two groups of wavelength-division multiplex/demultiplexing optical devices are integrated with present embodiment on optical table, the parallel transmission of optical signal can be achieved.
Join Fig. 6, the optical module 300 in the embodiment of the application the 3rd is introduced shown in Fig. 7, the optical module includes an optical table 310, optical table 310 is formed by plastic material, from unlike second embodiment, optical table 310 in present embodiment is provided with an optical port end 320, two wavelength-division multiplex/demultiplexing optical devices 330, and positioned at first coupled lens 341 of wavelength-division multiplex/both sides of demultiplexing optical device 330 and two group of second coupled lens 342, circulator components 350 are provided between first coupled lens 341 and two wavelength-division multiplex/demultiplexing optical devices 330.
Similarly, optical table 310 is provided with some storage tanks for being depressed in optical table surface in present embodiment, including the first storage tank 311 and the second storage tank 312, first storage tank 311 and the second storage tank 312 are respectively arranged on two relative surfaces of optical table 310, and optical table, provided with the resettlement section 314 that bottom is inclined-plane, wavelength-division multiplex/demultiplexing optical device is located between resettlement section and optical port end.First coupled lens 341 are adjacent on the side of the side of optical port end 320 positioned at the first storage tank 311, circulator components 350 and two wavelength-division multiplex/passive types of demultiplexing optical device 330 are installed on the bottom surface of the first storage tank 311, two group of second coupled lens 342 is located on the bottom surface of the second storage tank 312, two groups of passive types of speculum 343 are installed on the inclined-plane of resettlement section 314, and the first coupled lens 241 and the second coupled lens 242 are integrally formed setting with optical table 210.
Preferably, first stopper slot and the second stopper slot can also be further set on the bottom surface of the second storage tank 312, it is respectively used to carry out wavelength-division multiplex/demultiplexing optical device and circulator components spacing, the second stopper slot is similar with the first spacing slot structure, is no longer repeated herein.
Compared with second embodiment, present embodiment in the side of two wavelength-division multiplex/demultiplexing optical device by setting circulator components, only need to set first coupled lens corresponding with circulator components and an optical port end in circulator components side, the optical port end can be bi-directional light mouthful end, an optical port end is reduced compared with second embodiment, by integrated optical port end, circulator components and two groups of wavelength-division multiplex/demultiplexing optical assemblies, the parallel transmission of optical signal can be achieved.
Join shown in Fig. 8, introduce the optical module in the embodiment of the application the 4th, the optical module is Optical Receivers or light emission module, including circuit board 101 and the optical module that is packaged on circuit board, the optical module is identical with the optical module in first embodiment, is no longer repeated herein.Photoelectric device 160 is installed on circuit board 101, photoelectric device 160 is located in the second storage tank 112 on optical table, and in the light path of wavelength-division multiplex/demultiplexing optical device.
Circuit board in the application is hard circuit board, is additionally provided with golden finger connect-disconnect structure relative to the opposite side at optical port end in circuit board, optical table passes through COB（chip on board）It is mounted on etc. technique on circuit board, to realize the transmission of photosignal.
Optical port end 120 is engaged with transmitting the optical fiber of multiple wavelength, for sending or receiving optical signal.Wavelength-division multiplex/demultiplexing optical device and the first coupled lens and the second coupled lens coordinate, to optical port end or the optical signal all the way that optical port end is transmitted is demultiplexed into the different optical signal of multiple wavelength be transmitted available for multiple wavelength different optical signal point is multiplexed into optical signal transmission all the way, and then realize point multiplexing or the demultiplexing function of multi-wavelength.
Specifically, optical module includes light-receiving component or light emission component in present embodiment, and optical port end 120 can be to receive optical port end or transmitting optical port end, and wavelength-division multiplex/demultiplexing optical device 130 can be wavelength division multiplexed light device or demultiplex optical device, wherein：
Light-receiving component includes demultiplexing optical device, positioned at the demultiplexing optical device at least coupled lens of side and the light receiving element in demultiplexing optical device light path, light-receiving component is correspondingly arranged with receiving optical port end, the optical signal all the way for receiving the transmission of optical port end is demultiplexed into the different optical signal of multiple wavelength and transmitted to light receiving element by demultiplexing optical device, realizes the demultiplexing function of multi-wavelength；
Light emission component includes wavelength-division multiplex optical device, the coupled lens positioned at wavelength-division multiplex optical device at least side and the light emitting devices in wavelength-division multiplex optical device light path, light emission component is correspondingly arranged with transmitting optical port end, wavelength-division multiplex optical device is used to the different optical signal point of multiple wavelength for launching light emitting devices and is multiplexed into optical signal transmission all the way, to optical port end is launched, realizing point multiplexing function of multi-wavelength.
The optical module in the embodiment of the application the 5th is introduced shown in ginseng Fig. 9, the optical module is optical transceiver module, including circuit board 201 and the optical module being packaged on circuit board, the optical module is identical with the optical module in second embodiment, is no longer repeated herein.Two groups of photoelectric devices 260 are installed on circuit board 201, photoelectric device 260 is located in the second storage tank 212 on optical table, and in the light path of wavelength-division multiplex/demultiplexing optical device.
Optical port end 220 is engaged, for sending or receiving optical signal to receive optical port end or transmitting optical port end with the optical fiber for transmitting multiple wavelength.Two wavelength-division multiplex/demultiplexing optical assemblies coordinate with the first coupled lens and the second coupled lens respectively, it is transmitted available for dividing the different optical signal of multiple wavelength to be multiplexed into optical signal transmission extremely transmitting optical port end all the way or the optical signal all the way for receiving the transmission of optical port end is demultiplexed into the different optical signal of multiple wavelength, and then realizes that dividing for multi-wavelength is multiplexed or demultiplexing function.
Specifically, optical module includes light-receiving component and light emission component in present embodiment, optical port end 220 includes one and receives optical port end and a transmitting optical port end, wavelength-division multiplex/demultiplexing optical device 230 includes a wavelength-division multiplex optical device and a demultiplexing optical device, photoelectric device 260 includes light receiving element and light emitting devices, wherein：
Light-receiving component includes demultiplexing optical device, positioned at the demultiplexing optical device at least coupled lens of side and the light receiving element in demultiplexing optical device light path, light-receiving component is correspondingly arranged with receiving optical port end, the optical signal all the way for receiving the transmission of optical port end is demultiplexed into the different optical signal of multiple wavelength and transmitted to light receiving element by demultiplexing optical device, realizes the demultiplexing function of multi-wavelength；
Light emission component includes wavelength-division multiplex optical device, the coupled lens positioned at wavelength-division multiplex optical device at least side and the light emitting devices in wavelength-division multiplex optical device light path, light emission component is correspondingly arranged with transmitting optical port end, wavelength-division multiplex optical device is used to the different optical signal point of multiple wavelength for launching light emitting devices and is multiplexed into optical signal transmission all the way, to optical port end is launched, realizing point multiplexing function of multi-wavelength.
Certainly, optical module can also include multiple light-receiving components and/or multiple light emission components in other embodiments, meanwhile, it is correspondingly arranged in light-receiving component and/or the corresponding optical port end of light emission component and photoelectric device, you can realize the parallel transmission of optical signal.
The optical module in the embodiment of the application the 6th is introduced shown in ginseng Figure 10, the optical module is optical transceiver module, including circuit board 301 and the optical module being packaged on circuit board, the optical module is identical with the optical module in the 3rd embodiment, is no longer repeated herein.Two groups of photoelectric devices 360 are installed on circuit board 301, photoelectric device 360 is located in the second storage tank 312 on optical table, and in the light path of wavelength-division multiplex/demultiplexing optical device.
Compared with the 5th embodiment, present embodiment in the side of two wavelength-division multiplex/demultiplexing optical device by setting circulator components, only need to set first coupled lens corresponding with circulator components and an optical port end in circulator components side, the optical port end is two-way optical port end, an optical port end is reduced compared with the 5th embodiment, by integrated optical port end, circulator components and two wavelength-division multiplex/demultiplexing optical devices, the parallel transmission of optical signal can be achieved.
Optical table is made of integrated die sinking mode in the application the respective embodiments described above, optical element passive type is installed on optical table, first stopper slot and the second stopper slot are formed according to the light path design of optical module, when optical element is directly mounted on optical table, optical element is in the light path of optical module, without to each optical element carry out active debugging, with limit accuracy it is high the characteristics of.
It should be understood that; it is spacing to optical element progress to be depressed in the stopper slot of optical table surface setting in the above-mentioned embodiment of the application; in other embodiments can also be spacing to optical element progress using the locating part for protruding from the setting of optical table surface, as long as can realize that the structure of optical element limit function belongs to the scope that the application is protected.
The application is had the advantages that by above-mentioned embodiment：
Optical module is mounted on circuit board, and the simple in construction of whole optical module, small power consumption, cost are low；
Wavelength-division multiplex/demultiplexing optical device on optical table is installed using passive type mounting means, eliminates the debugging after active installation and positioning step, and assembling is simple；
Optical table is made of integrated die sinking mode, and optical port end, coupled lens and storage tank and stopper slot are integrated on optical table, with dimensional accuracy it is high the characteristics of.
It should be understood that, although the present specification is described in terms of embodiments, but not each embodiment is only comprising an independent technical scheme, this narrating mode of specification is only for clarity, the skilled in the art should refer to the specification as a whole, technical scheme in each embodiment may also be suitably combined to form that other embodiments which can be understood by those skilled in the art.
A series of detailed description the illustrating only for the feasibility embodiment of the application of those listed above; they and be not used to limit the application protection domain, all equivalent implementations made without departing from the application skill spirit or change should be included within the protection domain of the application.
Claims (12)
1. a kind of optical module, it is characterized in that, the optical module includes optical table, and it is installed on wavelength-division multiplex/demultiplexing optical device on the optical table, the optical table is provided with one or more optical port ends and one or more coupled lens, the wavelength-division multiplex/demultiplexing optical device passive type is installed on the optical table, transferred out by the light of the wavelength-division multiplex/demultiplexing optical device by the optical port end, the coupled lens realize the optical coupling of wavelength-division multiplex/between demultiplexing optical device and optical port end, or the coupled lens realize the optical coupling between optical module and external devices.
2. optical module according to claim 1, it is characterised in that the optical table is located in the storage tank provided with some storage tanks for being depressed in optical table surface, the wavelength-division multiplex/demultiplexing optical device and coupled lens.
3. optical module according to claim 2, it is characterized in that, the optical module includes the first coupled lens and the second coupled lens positioned at wavelength-division multiplex/demultiplexing optical assembly both sides, first coupled lens are located at wavelength-division multiplex/between demultiplexing optical device and optical port end, the optical table is provided with the first storage tank and the second storage tank, the wavelength-division multiplex/demultiplexing optical device passive type is installed in the first storage tank, first coupled lens and the second coupled lens are located in the first storage tank and the second storage tank and are integrally formed setting with optical table respectively.
4. optical module according to claim 3, it is characterised in that being provided with first storage tank is used for the first stopper slot that passive type installs wavelength-division multiplex/demultiplexing optical device.
5. optical module according to claim 4, it is characterised in that first stopper slot at least carries out spacing to wavelength-division multiplex/demultiplexing optical device in one direction.
6. optical module according to claim 3, it is characterised in that passive type is provided with some speculums on the optical table, the speculum is located in the light path of wavelength-division multiplex/demultiplexing optical device and the second coupled lens.
7. optical module according to claim 6, it is characterised in that first storage tank and the second storage tank are respectively arranged on two relative surfaces of optical table.
8. optical module according to claim 1, it is characterised in that the optical table is installed on the optical table provided with some locating parts for protruding from optical table surface, the wavelength-division multiplex/demultiplexing optical device by the locating part passive type.
9. optical module according to claim 1, it is characterised in that the optical module includes the multiple wavelength-division multiplex/demultiplexing optical device being arranged side by side and corresponds the optical port end set with the wavelength-division multiplex/demultiplexing optical device.
10. optical module according to claim 1, it is characterized in that, the optical module includes the optical port end that multiple wavelength-division multiplex/demultiplexing optical device for being arranged side by side is correspondingly arranged with the wavelength-division multiplex/demultiplexing optical assembly and the circulator components positioned at wavelength-division multiplex/between demultiplexing optical device and optical port end, and circulator components are used for the optical signal transmission that will be sent from two-way optical port end to each wavelength-division multiplex/demultiplexing optical device and by the optical signal transmission transmitted from each wavelength-division multiplex/demultiplexing optical device to two-way optical port end.
11. optical module according to claim 10, it is characterised in that the optical table is provided with the second stopper slot, the circulator components passive type is installed in the second stopper slot.
12. a kind of optical module, it is characterized in that, the optical module includes circuit board, the light receiving element and/or light emitting devices that are electrically connected with circuit board and the optical module being packaged on circuit board, optical coupling is realized between wavelength-division multiplex/demultiplexing optical device in optical module of the optical module any one of claim 1 ~ 11, the light receiving element and/or light emitting devices and the optical module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610082197.7A CN107046444A (en) | 2016-02-05 | 2016-02-05 | Optical module and optical module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610082197.7A CN107046444A (en) | 2016-02-05 | 2016-02-05 | Optical module and optical module |
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| Publication Number | Publication Date |
|---|---|
| CN107046444A true CN107046444A (en) | 2017-08-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610082197.7A Pending CN107046444A (en) | 2016-02-05 | 2016-02-05 | Optical module and optical module |
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| Country | Link |
|---|---|
| CN (1) | CN107046444A (en) |
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Application publication date: 20170815 |