CN105467536B - A kind of light-receiving component - Google Patents
A kind of light-receiving component Download PDFInfo
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- CN105467536B CN105467536B CN201610005620.3A CN201610005620A CN105467536B CN 105467536 B CN105467536 B CN 105467536B CN 201610005620 A CN201610005620 A CN 201610005620A CN 105467536 B CN105467536 B CN 105467536B
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4286—Optical modules with optical power monitoring
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/43—Arrangements comprising a plurality of opto-electronic elements and associated optical interconnections
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The invention discloses a kind of light-receiving component, including for be the beam collimator of collimated light beam by outside input beam shaping, the wavelength-division for the light beam after collimation to be decomposed into multiple single wavelengths demultiplexes filter set, the detector TO components and metal tube for encapsulating light-receiving component of single wavelength optical signal detected for receiving.Light-receiving component of the present invention is a kind of light-receiving component for 4x10G/4x25G, including beam collimator, metal tube, wavelength-division demultiplexing filter set and multiple detector TO components, filter set is demultiplexed by wavelength-division and decomposes adjustment incident beam direction and position, reach and be packaged together realizing 4x10G, 4x25G ROSA optical device functions by multiple detector TO components and metal tube.Not only the OSA encapsulation implementing process with scheme one is simple by the present invention, the characteristics of cost is low, and can realize the target that device miniaturization is encapsulated in scheme two.
Description
Technical field
The present invention relates to technical field of photo communication, more particularly to a kind of light-receiving component, 4x10G/4x25G is mainly used in
Optical communication system in.
Background technology
With high bandwidth new business sustainable development and high speed transmission technology it is increasingly mature, based on 40G/100G at a high speed
The application demand of transmission becomes clear day by day, and 40G/100G is compared with traditional 10G, with obvious advantage：More efficient, bandwidth is more
It is high.Multichannel light transmit-receive technology is used 40G/100G optical modules more（4x10G, 4x25G）, with every passage 10G or 25G speed
Carry out data transmission, its capacity is 4 times of conventional one-channel module.The optical module of 40G/100G transmission typically requires optical device
Meet and ensure air-tightness requirement, meet air-tight packaging and realize that the usual of 4 channel transfers there are two schemes：
Scheme one, using conventional coaxial packaging technology, first by single channel CHIP and IC package to TO bases, then tube sealing cap
Ensure air-tightness.Then TO is fixed with metal tube and contact pin with the mode of laser welding, makes an OSA（Optical
Sub-Assembly, optical assembly）Device.4 OSA devices are welded to inside module, then an external Wave decomposing multiplexer
（DEMUX）, finally realize the function of 4 channel transfers.The advantage of this scheme is that OSA packaging technologies are relatively easy, and cost is low；Lack
Point is that 4 OSA plus DEMUX need to take module very big space, it is impossible to meet the requirement that module is increasingly minimized.
Scheme two, by 4x10G, 4x25G array CHIP with film with inside IC package to ceramics BOX shells, then being filtered
Mating plate group and lenticule group realize the light path coupling of 4 passages.The advantage of this encapsulation scheme is real by the way of hybrid integrated
The small-sized encapsulated of existing 4 passage devices, meets requirement of the module to volume.Have the disadvantage the relatively conventional OSA of this packaging technology
Packaging technology is complicated, difficulty increase.Ceramic BOX shells price additionally, due to high speed is golden than conventional TO bases and conventional machining
Belong to body much higher, so the cost of device is difficult reduction.
The content of the invention
In order to solve the above-mentioned technical problem, it is an object of the invention to propose a kind of light-receiving component, by by detector
TO components, wavelength-division demultiplexing filter set and metal tube are packaged together realizing 4x10G/4x25G ROSA（Receiving
Optical Sub-Assembly, light-receiving component）Optical device function, the program not only implemented by the OSA encapsulation with scheme one
Technique is simple, the characteristics of cost is low, and can realize the target that device miniaturization is encapsulated in scheme two.
The technical solution adopted by the present invention is：
A kind of light-receiving component, including for by outside input beam shaping for collimated light beam beam collimator, be used for
Light beam after collimation is decomposed into the wavelength-division demultiplexing filter set of multiple single wavelengths, for receiving detection single wavelength light letter
Number detector TO components and metal tube for encapsulating light-receiving component；
Wherein, one end of the beam collimator is used to receive outside input light, and the other end of the beam collimator is used
It is connected in the input port with the metal tube, the wavelength-division demultiplexing filter set is distributed in the interior of the metal tube
Portion, the receiving terminal of the detector TO components demultiplexes the emergent light that filter set is decomposed into single wavelength towards through the wavelength-division
Direction, the output end of the detector TO components is drawn through metal tube.
Wherein, the beam collimator is plug-in beam collimator or tail-fiber type beam collimator.
Wherein, the detector TO components, including it is saturating for the big ball for assembling the light beam incided on detector TO components
Mirror, the PIN/TIA components for convergent beam to be carried out to opto-electronic conversion and cut down TO bases for encapsulate detector TO components.
Wherein, the number of the detector TO components is four, respectively the first detector TO components, the second detector TO
Component, the 3rd detector TO components and the 4th detector TO components, the composition structure of four detector TO components are identical；
Wherein, the first detector TO components, the second detector TO components, the 3rd detector TO components are sequentially distributed
The adjacent side of the one of face where opposing metallic body input port, the 4th detector TO components distributions are defeated in opposing metallic body
The opposition side in face where inbound port.
Wherein, the wavelength-division demultiplexing filter set, including 9 all-wave length reflection filters and 3 specific wavelength transmissions
Optical filter, 9 all-wave length reflection filters are respectively F1 ~ F9,3 specific wavelength transmission filters be respectively T1 ~
T3；
The four wavelength collimated light beams through beam collimator outgoing, respectively λ 1, λ 2, λ 3, λ 4 incide all-wave length reflection filter
On mating plate F1, F1 is reflected the light onto on specific wavelength transmission filter T1, and the T1 transmission reflections of λ 1 λ 2, λ 3 and λ 4, the light beams of λ 1 hang down
Directly incide on the big globe lens of the first detector TO components, big globe lens focuses on the light beams of λ 1 the PD light of PIN/TIA components
On quick face；
λ 2, the λ 3 of T1 reflections incide certain wave with the wavelength light beams of λ 4 three after F2, F3 and F4 triple reflection adjustment direction
On long transmission filter T2, the T2 transmission reflection λ 3 and λ 4 of λ 2, the big ball that the beam orthogonals of λ 2 incide the second detector TO components is saturating
On mirror, big globe lens focuses on the light beams of λ 2 on the PD photosurfaces of PIN/TIA components；
It is saturating that 4 liang of wavelength light beams of λ 3 and λ of T2 reflections incide specific wavelength after F5, F6 and F7 triple reflection adjustment direction
Penetrate on optical filter T3, the T3 transmission reflection λ 4 of λ 3, the beam orthogonals of λ 3 are incided on the big globe lens of the 3rd detector TO components, big ball
Lens focus on the light beams of λ 3 on the PD photosurfaces of PIN/TIA components；
The light beams of λ 4 of T3 reflections impinge perpendicularly on the 4th detector TO components after F8 and the secondary reflection adjustment directions of F9 two
On big globe lens, big globe lens focuses on the light beams of λ 4 the PD photosurfaces of PIN/TIA components.
Wherein, the number of the detector TO components is four, respectively the first detector TO components, the second detector TO
Component, the 3rd detector TO components and the 4th detector TO components, the composition structure of four detector TO components are identical；
Wherein, the first detector TO components, the second detector TO components, the 3rd detector TO components and the 4th detection
The adjacent side of the one of face where device TO components are distributed in opposing metallic body input port.
Wherein, the wavelength-division demultiplexing filter set, including 10 all-wave length reflection filters and 4 specific wavelength transmissions
Optical filter, 10 all-wave length reflection filters are respectively F1 ~ F10, and 4 specific wavelength transmission filters are respectively T1
~T4；
The four wavelength collimated light beams through beam collimator outgoing, respectively λ 1, λ 2, λ 3, λ 4 incide all-wave length reflection filter
On mating plate F1, F1 is reflected the light onto on specific wavelength transmission filter T1, and the T1 transmission reflections of λ 1 λ 2, λ 3 and λ 4, the light beams of λ 1 hang down
Directly incide on the big globe lens of the first detector TO components, big globe lens focuses on the light beams of λ 1 the PD light of PIN/TIA components
On quick face；
λ 2, the λ 3 of T1 reflections incide certain wave with the wavelength light beams of λ 4 three after F2, F3 and F4 triple reflection adjustment direction
On long transmission filter T2, the T2 transmission reflection λ 3 and λ 4 of λ 2, the big ball that the beam orthogonals of λ 2 incide the second detector TO components is saturating
On mirror, big globe lens focuses on the light beams of λ 2 on the PD photosurfaces of PIN/TIA components；
It is saturating that 4 liang of wavelength light beams of λ 3 and λ of T2 reflections incide specific wavelength after F5, F6 and F7 triple reflection adjustment direction
Penetrate on optical filter T3, the T3 transmission reflection λ 4 of λ 3, the beam orthogonals of λ 3 are incided on the big globe lens of the 3rd detector TO components, big ball
Lens focus on the light beams of λ 3 on the PD photosurfaces of PIN/TIA components；
The light beams of λ 4 of T3 reflections incide specific wavelength transmission filter after F8, F9 and F10 triple reflection adjustment direction
On T4, T4 transmission λ 4, the beam orthogonals of λ 4 are incided on the big globe lens of the 4th detector TO components, and big globe lens gathers the light beams of λ 4
Jiao arrives the PD photosurfaces of PIN/TIA components.
Beneficial effect：
A kind of light-receiving component of the present invention, including for by outside input beam shaping be collimated light beam light beam
Collimater, the wavelength-division for the light beam after collimation to be decomposed into multiple single wavelengths demultiplex filter set, for receiving detection
The detector TO components of single wavelength optical signal and the metal tube for encapsulating light-receiving component.Used invention describes one kind
In 4x10G/4x25G light-receiving component, filter set is demultiplexed by wavelength-division and decomposes adjustment incident beam direction and position, is reached
It is packaged together realizing 4x10G, 4x25G ROSA optical device functions to by multiple detector TO components and metal tube.The present invention
Not only have the OSA encapsulation implementing process of scheme one in background technology simple, the characteristics of cost is low, and can realize in scheme two
The target of device miniaturization encapsulation.
Brief description of the drawings
Fig. 1 is a kind of a kind of structural representation for embodiment for 4x10G/4x25G light-receiving components that the present invention is provided
Figure.
Fig. 2 is the structural representation of the beam collimator of an embodiment of the present invention.
Fig. 3 is that the wavelength-division of an embodiment of the present invention demultiplexes the structural representation of filter set.
Fig. 4 is the structural representation of the detector TO components of an embodiment of the present invention.
Fig. 5 is that the wavelength-division of another embodiment of the invention demultiplexes the structural representation of filter set.
Wherein：
100- beam collimators；200- metal tubes；300- wavelength-divisions demultiplex filter set；400- the first detector TO groups
Part；500- the second detector TO components；The detector TO components of 600- the 3rd；The detector TO components of 700- the 4th；The big globe lens of a-；
B-PIN/TIA components；C- can cut down TO bases.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the present invention will be described in further detail.
Fig. 1 is a kind of a kind of structural representation for embodiment for 4x10G/4x25G light-receiving components that the present invention is provided
Figure.As shown in figure 1, a kind of light-receiving component of the present invention, including for being collimated light beam by outside input beam shaping
Beam collimator 100, for the light beam after collimation is decomposed into multiple single wavelengths wavelength-division demultiplex filter set 300,
The detector TO components of single wavelength optical signal and the metal tube 200 for encapsulating light-receiving component are detected for receiving；
Wherein, one end of the beam collimator 100 is used to receive outside input light, the beam collimator 100 it is another
One end is used to be connected with the input port of the metal tube 200, and the wavelength-division demultiplexing filter set 300 is distributed in the gold
Belong to the inside of body 200, the receiving terminal of the detector TO components is decomposed into towards through wavelength-division demultiplexing filter set 300
The outgoing light direction of single wavelength, the output end of the detector TO components is drawn through metal tube 200.
Invention describes a kind of light-receiving component for 4x10G/4x25G, including beam collimator 100, metal tube
Body 200, wavelength-division demultiplexing filter set 300 and multiple detector TO components, demultiplex filter set 300 by wavelength-division and decompose tune
Whole incident beam direction and position, reach and are packaged together realizing 4x10G by multiple detector TO components and metal tube 200,
4x25G ROSA optical device functions.The present invention not only has the OSA encapsulation implementing process of scheme one in background technology simple, cost
Low the characteristics of, and the target that device miniaturization is encapsulated in scheme two can be realized.
Fig. 2 is the structural representation of the beam collimator 100 of an embodiment of the present invention.As shown in Fig. 2 of the present invention
Beam collimator 100 as outside input optical interface, inputs light beam is shaped as to input to wavelength-division demultiplexing filter after collimated light
Mating plate group 300.In this programme, the beam collimator 100 is plug-in beam collimator or tail-fiber type beam collimator.
Fig. 4 is the structural representation of the detector TO components of an embodiment of the present invention.As shown in figure 4, the detector
TO components, including for assembling the big globe lens a of the light beam incided on detector TO components, for convergent beam to be carried out into light
The PIN/TIA components b of electricity conversion and cut down TO bases c for encapsulate detector TO components.Wherein, the PIN/TIA components b
It is the core component of detector TO components.
As a kind of embodiment, as shown in figure 1, light-receiving component of the present invention, including four detector TO components,
The number of i.e. described detector TO components be four, respectively the first detector TO components 400, the second detector TO components 500,
3rd detector TO components 600 and the 4th detector TO components 700, the composition structure of four detector TO components are identical；
Wherein, the first detector TO components 400, the second detector TO components 500, the 3rd detector TO components 600
An adjacent side in the face where the input port of opposing metallic body 200 is sequentially distributed, the 4th detector TO components 700 are distributed
The opposition side in face where the input port of opposing metallic body 200.
Four wavelength composite optical signals are collimated after being inputted through beam collimator 100, and wavelength-division is incided with a branch of collimated light
Filter set 300 is demultiplexed, four beam collimated lights are decomposed into by wavelength-division demultiplexing filter set 300 and four detector TO are incided
On component, via the big globe lens a transformation beams of detector TO components, on the PD photosurfaces for focusing on PIN/TIA components b.
For this embodiment, Fig. 3 is that the wavelength-division of an embodiment of the present invention demultiplexes the structural representation of filter set 300
Figure.As shown in figure 3, corresponding wavelength-division demultiplexing filter set 300, including 9 all-wave length reflection filters and 3 it is specific
Wavelength transmission optical filter, 9 all-wave length reflection filters are respectively F1 ~ F9,3 specific wavelength transmission filters point
Wei not T1 ~ T3；
The four wavelength collimated light beams through the outgoing of beam collimator 100, respectively λ 1, λ 2, λ 3, λ 4 incide all-wave length anti-
Penetrate on optical filter F1, F1 is reflected the light onto on specific wavelength transmission filter T1, the T1 transmission reflections of λ 1 λ 2, λ 3 and λ 4, the light of λ 1
Beam is impinged perpendicularly on the big globe lens a of the first detector TO components 400, and the light beams of λ 1 are focused on PIN/TIA groups by big globe lens a
On part b PD photosurfaces；
λ 2, the λ 3 of T1 reflections incide certain wave with the wavelength light beams of λ 4 three after F2, F3 and F4 triple reflection adjustment direction
On long transmission filter T2, the T2 transmission reflection λ 3 and λ 4 of λ 2, the beam orthogonals of λ 2 incide the big ball of the second detector TO components 500
On lens a, big globe lens a focuses on the light beams of λ 2 on PIN/TIA components b PD photosurfaces；
It is saturating that 4 liang of wavelength light beams of λ 3 and λ of T2 reflections incide specific wavelength after F5, F6 and F7 triple reflection adjustment direction
Penetrate on optical filter T3, the T3 transmission reflection λ 4 of λ 3, the beam orthogonals of λ 3 are incided on the big globe lens a of the 3rd detector TO components 600,
Big globe lens a focuses on the light beams of λ 3 on PIN/TIA components b PD photosurfaces；
The light beams of λ 4 of T3 reflections impinge perpendicularly on the 4th detector TO components 700 after F8 and the secondary reflection adjustment directions of F9 two
Big globe lens a on, big globe lens a focuses on the light beams of λ 4 PIN/TIA components b PD photosurfaces.
As another embodiment, it is necessary to which explanation, the present embodiment and the difference of a upper embodiment are：The detection
The position distribution of device TO components is different, and four detector TO components distributions are different in metal tube 200 in a upper embodiment
In side, the present embodiment, four detector TO components are distributed in the same side of metal tube 200；Moreover, it is corresponding, use
Speculum, the diaphotoscope included in the wavelength-division demultiplexing filter set 300 for decomposing adjustment incident beam direction and position
Number and arrange it is different.Specifically, in the present embodiment, light-receiving component of the present invention, including four detections
Device TO components, i.e., the number of described detector TO components is four, respectively the first detector TO components 400, the second detector
TO components 500, the 3rd detector TO components 600 and the 4th detector TO components 700, the composition of four detector TO components
Structure is identical；
Wherein, the first detector TO components 400, the second detector TO components 500, the 3rd detector TO components 600
And the 4th detector TO components 700 be distributed in the adjacent side in face where the input port of opposing metallic body 200.
Four wavelength composite optical signals are collimated after being inputted through beam collimator 100, and wavelength-division is incided with a branch of collimated light
Filter set 300 is demultiplexed, four beam collimated lights are decomposed into by wavelength-division demultiplexing filter set 300 and four detector TO are incided
On component, via the big globe lens a transformation beams of detector TO components, on the PD photosurfaces for focusing on PIN/TIA components b.
For this embodiment, Fig. 5 is that the wavelength-division of another embodiment of the invention demultiplexes the structural representation of filter set
Figure.As shown in figure 5, the corresponding wavelength-division demultiplexing filter set 300, including 10 all-wave length reflection filters and 4 spies
The long transmission filter of standing wave, 10 all-wave length reflection filters are respectively F1 ~ F10, and 4 specific wavelength transmissions filter
Piece is respectively T1 ~ T4；
The four wavelength collimated light beams through the outgoing of beam collimator 100, respectively λ 1, λ 2, λ 3, λ 4 incide all-wave length anti-
Penetrate on optical filter F1, F1 is reflected the light onto on specific wavelength transmission filter T1, the T1 transmission reflections of λ 1 λ 2, λ 3 and λ 4, the light of λ 1
Beam is impinged perpendicularly on the big globe lens a of the first detector TO components 400, and the light beams of λ 1 are focused on PIN/TIA groups by big globe lens a
On part b PD photosurfaces；
λ 2, the λ 3 of T1 reflections incide certain wave with the wavelength light beams of λ 4 three after F2, F3 and F4 triple reflection adjustment direction
On long transmission filter T2, the T2 transmission reflection λ 3 and λ 4 of λ 2, the beam orthogonals of λ 2 incide the big ball of the second detector TO components 500
On lens a, big globe lens a focuses on the light beams of λ 2 on PIN/TIA components b PD photosurfaces；
It is saturating that 4 liang of wavelength light beams of λ 3 and λ of T2 reflections incide specific wavelength after F5, F6 and F7 triple reflection adjustment direction
Penetrate on optical filter T3, the T3 transmission reflection λ 4 of λ 3, the beam orthogonals of λ 3 are incided on the big globe lens a of the 3rd detector TO components 600,
Big globe lens a focuses on the light beams of λ 3 on PIN/TIA components b PD photosurfaces；
The light beams of λ 4 of T3 reflections incide specific wavelength transmission filter after F8, F9 and F10 triple reflection adjustment direction
On T4, T4 transmission λ 4, the beam orthogonals of λ 4 are incided on the big globe lens a of the 4th detector TO components 700, and big globe lens a is by λ 4
Light beam focuses on PIN/TIA components b PD photosurfaces.
In summary, light-receiving component of the present invention is a kind of light-receiving component for 4x10G/4x25G, including
Beam collimator 100, metal tube 200, wavelength-division demultiplexing filter set 300 and multiple detector TO components, pass through Wave Decomposition
It is multiplexed filter set 300 and decomposes adjustment incident beam direction and position, reaches multiple detector TO components and metal tube 200
It is packaged together realizing 4x10G, 4x25G ROSA optical device functions.Not only work is implemented in the OSA encapsulation with scheme one to the present invention
Skill is simple, the characteristics of cost is low, and can realize the target that device miniaturization is encapsulated in scheme two.
Embodiment described above and application scenarios are only presently preferred embodiments of the present invention and application scenarios, are not used to
The limitation present invention, any modifications, equivalent substitutions and improvements for being made within the spirit and principles of the invention and its at other
Field and the application of scene, should be included in the scope of the protection.
Claims (5)
1. a kind of light-receiving component, it is characterised in that including for outside input beam shaping is accurate for the light beam of collimated light beam
Straight device, the wavelength-division for the light beam after collimation to be decomposed into multiple single wavelengths demultiplex filter set, for receiving detection list
The detector TO components of one wavelength channels and the metal tube for encapsulating light-receiving component；
Wherein, one end of the beam collimator is used to receive outside input light, the other end of the beam collimator be used for
The input port connection of the metal tube, the wavelength-division demultiplexing filter set is distributed in the inside of the metal tube, institute
The receiving terminal for stating detector TO components demultiplexes the outgoing light direction that filter set is decomposed into single wavelength towards through the wavelength-division,
The output end of the detector TO components is drawn through metal tube；
The four wavelength collimated light beams through beam collimator outgoing, respectively λ 1, λ 2, λ 3, λ 4；The number of the detector TO components
For four, respectively the first detector TO components, the second detector TO components, the 3rd detector TO components and the 4th detector TO
Component, the composition structure of four detector TO components is identical；
The first detector TO components, the second detector TO components, the 3rd detector TO components are sequentially distributed in opposing metallic
The adjacent side of the one of face where body input port, the 4th detector TO components distributions are in opposing metallic body input port institute
Opposition side in face, the wavelength-division demultiplexing filter set, including 9 all-wave length reflection filters and 3 specific wavelengths are saturating
Optical filter is penetrated, 9 all-wave length reflection filters are respectively F1~F9, and 3 specific wavelength transmission filters are respectively
T1~T3；
The first detector TO components, the second detector TO components, the 3rd detector TO components and the 4th detector TO components
The adjacent side of the one of face where being distributed in opposing metallic body input port, the wavelength-division demultiplexes filter set, including 10
All-wave length reflection filter and 4 specific wavelength transmission filters, 10 all-wave length reflection filters be respectively F1~
F10,4 specific wavelength transmission filters are respectively T1~T4.
2. a kind of light-receiving component according to claim 1, it is characterised in that the beam collimator is plug-in light beam
Collimater or tail-fiber type beam collimator.
3. a kind of light-receiving component according to claim 1, it is characterised in that the detector TO components, including for
Assemble the big globe lens of the light beam incided on detector TO components, the PIN/TIA for convergent beam to be carried out to opto-electronic conversion
Component and cut down TO bases for encapsulate detector TO components.
4. a kind of light-receiving component according to claim 1, it is characterised in that the wavelength-division demultiplexes filter set, bag
When including 9 all-wave length reflection filters and 3 specific wavelength transmission filters, the four wavelength collimated lights through beam collimator outgoing
Beam is incided on all-wave length reflection filter F1, and F1 is reflected the light onto on specific wavelength transmission filter T1, and T1 transmissions λ 1 is anti-
λ 2, λ 3 and λ 4 are penetrated, the beam orthogonals of λ 1 are incided on the big globe lens of the first detector TO components, big globe lens focuses on the light beams of λ 1
Onto the PD photosurfaces of PIN/TIA components；
The λ 2 of T1 reflections, that the wavelength light beams of λ 3 and λ 4 three incide specific wavelength after F2, F3 and F4 triple reflection adjustment direction is saturating
Penetrate on optical filter T2, the T2 transmission reflection λ 3 and λ 4 of λ 2, the beam orthogonals of λ 2 are incided on the big globe lens of the second detector TO components,
Big globe lens focuses on the light beams of λ 2 on the PD photosurfaces of PIN/TIA components；
The λ 3 of T2 reflections incides specific wavelength transmission filter with 4 liang of wavelength light beams of λ after F5, F6 and F7 triple reflection adjustment direction
On mating plate T3, the T3 transmission reflection λ 4 of λ 3, the beam orthogonals of λ 3 are incided on the big globe lens of the 3rd detector TO components, big globe lens
The light beams of λ 3 are focused on the PD photosurfaces of PIN/TIA components；
The light beams of λ 4 of T3 reflections impinge perpendicularly on the big ball of the 4th detector TO components after F8 and the secondary reflection adjustment directions of F9 two
On lens, big globe lens focuses on the light beams of λ 4 the PD photosurfaces of PIN/TIA components.
5. a kind of light-receiving component according to claim 1, it is characterised in that the wavelength-division demultiplexes filter set, bag
When including 10 all-wave length reflection filters and 4 specific wavelength transmission filters, the four wavelength collimation through beam collimator outgoing
Light beam is incided on all-wave length reflection filter F1, and F1 is reflected the light onto on specific wavelength transmission filter T1, T1 transmissions λ 1
λ 2, λ 3 and λ 4 are reflected, the beam orthogonals of λ 1 are incided on the big globe lens of the first detector TO components, and big globe lens gathers the light beams of λ 1
It is burnt on the PD photosurfaces of PIN/TIA components；
The λ 2 of T1 reflections, that the wavelength light beams of λ 3 and λ 4 three incide specific wavelength after F2, F3 and F4 triple reflection adjustment direction is saturating
Penetrate on optical filter T2, the T2 transmission reflection λ 3 and λ 4 of λ 2, the beam orthogonals of λ 2 are incided on the big globe lens of the second detector TO components,
Big globe lens focuses on the light beams of λ 2 on the PD photosurfaces of PIN/TIA components；
The λ 3 of T2 reflections incides specific wavelength transmission filter with 4 liang of wavelength light beams of λ after F5, F6 and F7 triple reflection adjustment direction
On mating plate T3, the T3 transmission reflection λ 4 of λ 3, the beam orthogonals of λ 3 are incided on the big globe lens of the 3rd detector TO components, big globe lens
The light beams of λ 3 are focused on the PD photosurfaces of PIN/TIA components；
The light beams of λ 4 of T3 reflections are incided after F8, F9 and F10 triple reflection adjustment direction on specific wavelength transmission filter T4,
T4 transmits λ 4, and the beam orthogonals of λ 4 are incided on the big globe lens of the 4th detector TO components, and big globe lens focuses on the light beams of λ 4
The PD photosurfaces of PIN/TIA components.
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| CN201610005620.3A CN105467536B (en) | 2016-01-05 | 2016-01-05 | A kind of light-receiving component |
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| CN201610005620.3A CN105467536B (en) | 2016-01-05 | 2016-01-05 | A kind of light-receiving component |
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| CN105467536A CN105467536A (en) | 2016-04-06 |
| CN105467536B true CN105467536B (en) | 2017-09-29 |
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| CN112394458A (en) * | 2020-12-15 | 2021-02-23 | 四川九州光电子技术有限公司 | Coaxial encapsulation 40G light emission receiving assembly |
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| CN2716853Y (en) * | 2003-12-24 | 2005-08-10 | 武汉光迅科技有限责任公司 | Single-fiber two-way receiving and transmitting integrated module |
| CN201812067U (en) * | 2010-08-26 | 2011-04-27 | 深圳新飞通光电子技术有限公司 | Single optical fiber bidirectional light receiving-transmitting assembly for OLT (optical line terminal) |
| CN102183828A (en) * | 2011-06-02 | 2011-09-14 | 平湖中天合波通信科技有限公司 | A single fibre bi-directional assembly |
| CN104597569A (en) * | 2015-01-14 | 2015-05-06 | 青岛海信宽带多媒体技术有限公司 | Wavelength division multiplexer/de-multiplexer and optical transmitter module |
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