CN104570239B - Single-fiber multidirection optical component - Google Patents
Single-fiber multidirection optical component Download PDFInfo
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- CN104570239B CN104570239B CN201410835041.2A CN201410835041A CN104570239B CN 104570239 B CN104570239 B CN 104570239B CN 201410835041 A CN201410835041 A CN 201410835041A CN 104570239 B CN104570239 B CN 104570239B
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- optical fiber
- lens
- optical
- lock pin
- laser
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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
-
- 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
- G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
- G02B6/4206—Optical features
-
- 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
- G02B6/4274—Electrical aspects
- G02B6/4278—Electrical aspects related to pluggable or demountable opto-electronic or electronic elements
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The invention discloses a single-fiber multidirection optical component. The multidirection optical module comprises a casing with an aperture in one side, an optical interface component which is arranged outside the casing and is aligned with the aperture, a base fixed in the casing, laser receiving/transmitting devices arranged on the base and chip end lenses, wherein the laser receiving/transmitting devices are detector chips, auxiliary circuits thereof, or laser chips and auxiliary circuits thereof; the optical axes of the chip end lenses and the laser receiving/transmitting devices are coaxially arranged, light diving elements are arranged between the chip end lenses, and the aperture and the optical interface component are coaxially arranged; the optical interface component comprises an optical fiber end lens and an optical fiber sleeve, wherein the optical fiber end lens is positioned between one end of the optical fiber sleeve and the aperture of the casing; the light dividing element comprises light dividing passages and light filtering sheets arranged in the light dividing passages; an electrifying interface is arranged on the base. The multidirection optical component disclosed by the invention has the advantages of high coupling efficiency, high sensitivity, convenience in inserting and plugging, and easiness in automatic manufacturing, and can guide light in multiple directions.
Description
Technical field
The present invention relates to a kind of single fiber multidirectional optical assembly, belong to optical element field.
Background technology
Understood according to currently known assembly construction, general optical assembly is that chip and optical element are carried out same axle envelope
Dress, i.e. to encapsulation (transistor-outline), to encapsulation is coupled with optical fiber, using metal parts, by Laser Welding
Connect or gluing, to encapsulation is fixed together with optical fiber, makes optical assembly.This assembly has the disadvantage in that
(1) for the to encapsulation of the bk7 glass sphere lens of 1.5 millimeters of diameter, the laser beam coupling of chip of laser transmitting
Close in optical fiber, i.e. transmitting coupling, coupling efficiency is low, and general efficiency is less than 15%；
(2) laser beam that fiber-optic transfer comes, focuses on the photosurface of detector chip, that is, receive coupling, minimum light
Spot diameter reaches 50 microns, is highly detrimental to couple；
(3) to encapsulating structure is complicated, high cost, and the difficulty of automated production is big, cost of investment is also very high；
(4) position between chip and optical element determines, real-time regulation is difficult by the size of to base, to pipe cap and substrate
Degree is big, leads to the reduction further of coupling efficiency, coupling technique difficulty to increase；
(5) mount structure of to encapsulation, makes client using difficulty, the difficulty of automatic welding is big；
In addition, in existing product, the optical assembly of only single direction far can not meet industrial needs, such as only
Transmitting laser beam or the optical assembly only receiving laser beam can not meet the needs of the demand of multi-direction transmitting-receiving laser beam, to making
With causing very big inconvenience.
Content of the invention
The technical problem to be solved there is provided that a kind of coupling efficiency is high, sensitivity is high, convenient plug, can
The multidirectional optical assembly of a kind of single fiber that is multidirectional guide-lighting and being easy to automated manufacturing.
Technical scheme is as follows:
A kind of multidirectional optical assembly of single fiber, it includes side and carries the housing of light hole, is arranged on hull outside and is aligned logical
The optical interface part of unthreaded hole, the pedestal being fixed in housing, the laser receiving/transmitting device being arranged on described pedestal and die terminals are saturating
Mirror；
Described laser receiving/transmitting device is detector chip and its auxiliary circuit or chip of laser and its auxiliary circuit, institute
State laser receiving/transmitting device at least 2；The quantity of described die terminals lens and position and described detector chip or chip of laser
Correspond, before described die terminals lens are located at photosurface or the chip of laser of described detector chip, and described die terminals
The optical axis of lens is coaxially corresponding with the photosurface of described detector chip or chip of laser；
The optical axis of described die terminals lens is coaxially disposed with laser receiving/transmitting device each described, described die terminals lens it
Between be provided with beam splitter, described light hole and optical interface element coaxial are arranged；
Described optical interface part includes optical fiber end lens and optical fiber sleeve；Described optical fiber end lens are located at optical fiber sleeve one end
And the light hole of housing between；
Described beam splitter includes light splitting passage and the optical filter being arranged in light splitting passage；Described light splitting passage is provided with
Passway, described passway is respectively aligned to optical axis and the light hole of each described die terminals lens, described optical filter aligned with channel
Mouth slant setting, its angle of inclination is in 45 degree of angles with passage horizontal direction；Described optical filter as needed, to specific wavelength
Laser beam carries out transmission or transmitting；
Described pedestal includes main basal base and die support pad, and described die support pad welds or is bonded in main basal base
On；Described laser receiving/transmitting device sinters or is bonded on described die support pad；
The die terminals lens of the corresponding coupling of each described laser receiving/transmitting device form one group, by electromagnetism between every group
Barricade is spaced apart；Described detector chip and its one group of the die terminals lens of auxiliary circuit and its Corresponding matching, by electromagnetic screen
Shield plate is spaced apart composition laser pick-off chamber；Described chip of laser and its die terminals lens one of auxiliary circuit and its Corresponding matching
Group, is spaced apart by electromagnetic shielding plate and forms Laser emission chamber；
Energising interface is additionally provided with described pedestal, institute is carried out with via and described laser receiving/transmitting device by bonding line
The electric connection needing, described energising interface stretches out housing and extraneous electric signal communication, passes through close between described energising interface and housing
Sealing carries out airtight sealing；
The transmit/receive light hole through described housing for the laser beam and the light splitting passage of described laser receiving/transmitting device come in and go out.
Further, described die terminals lens and optical fiber end lens are that globe lenss, non-globe lenss, planoconvex lenss or column are saturating
Mirror.
Further, described main basal base and die support pad be the metallized ceramic substrate of single-side/double-side, conventional pcb
Plate, aluminium base pcb plate, cuprio pcb plate or the moulding including metal line.
Further, described energising interface is arranged on described main basal base, and described energising interface is using cloth on main basal base
Line generates golden finger or pricking with needle.
Further, described optical fiber sleeve is plug-in optical fiber sleeve or tail-fiber type optical fiber sleeve；
When described optical fiber sleeve is plug-in optical fiber sleeve, described optical fiber sleeve includes barrel housing and side has and splits
The lock pin cylinder of seam；It is enclosed within barrel housing in described lock pin cylinder, in the outer wall of crack offside and barrel housing on described lock pin cylinder
Wall welds；Wire jumper lock pin, as external thing, is inside inserted in lock pin cylinder；
When described optical fiber sleeve be tail-fiber type optical fiber sleeve when, described optical fiber sleeve include tail gum cover, tail optical fiber lock pin cylinder and
Wire jumper lock pin；Described wire jumper lock pin is welded in tail optical fiber lock pin cylinder, is arranged with tail gum cover outside described tail optical fiber lock pin cylinder.
Further, described optical interface part also includes the gear platform of middle with hole, described optical fiber end lens, gear platform and wire jumper
Sequentially coaxially seamless contact between optical fiber three in lock pin.
Further, a kind of multidirectional optical assembly of single fiber also includes die terminals lens supports seat and optical fiber end lens supports seat；
It is equipped with loophole on described die terminals lens supports seat 2 and optical fiber end lens supports seat；
Described die terminals lens are fixed in die terminals lens supports seat, and described die terminals lens are propped up by die terminals lens
Support seat welds or is bonded on main basal base, and the optical axis of described die terminals lens is coaxial with the loophole on die terminals lens supports seat
Corresponding；The photosurface of described detector chip or chip of laser are corresponding with the optical axis of die terminals lens；
Described optical fiber end lens are fixed in optical fiber end lens supports seat, and described optical fiber end lens are propped up by optical fiber end lens
Support seat welds or is bonded between optical fiber sleeve one end and the light hole of housing, and the light hole of described housing, optical fiber end lens prop up
Loophole on support seat, the optical axis of optical fiber end lens are corresponding with the light shaft coaxle of optical fiber in wire jumper lock pin.
Further, described gear platform is fixedly connected with optical fiber end lens supports seat, and described optical fiber end lens supports seat is one
End is provided with the cylinder of V-shaped groove, and described optical fiber end lens are closely embedded in it by the V-shaped groove of optical fiber end lens supports seat one end
In, described optical fiber end lens are tightly fixed in optical fiber end lens supports seat by described gear platform.
Further, between described optical fiber end lens and optical fiber end lens supports seat, air-tightness is carried out by fluid sealant close
Envelope.
Further, described laser receiving/transmitting device is the photodiode such as chip of laser and detector chip and its auxiliary
Help circuit, its auxiliary circuit is custom circuit.
Further, described laser receiving/transmitting device transmit/receive the optical axis successively through described die terminals lens for the laser beam,
The optical fiber in hole and wire jumper lock pin in the middle of light hole on light splitting passage, housing, the optical axis of optical fiber end lens, gear platform comes in and goes out.
Further, the internal diameter under described lock pin cylinder naturalness is less than or equal to the diameter of wire jumper lock pin.
Further, described tail optical fiber lock pin cylinder side has crack, in described wire jumper lock pin insertion tail optical fiber lock pin cylinder, described
Internal diameter under tail optical fiber lock pin cylinder naturalness is less than or equal to the diameter of wire jumper lock pin, the wire jumper lock pin in described tail optical fiber lock pin cylinder
By fluid sealant, tail optical fiber is fixed in wire jumper lock pin, described tail optical fiber is a kind of form of optical fiber.
Further, described gear platform is fixedly connected with optical fiber end lens supports seat, by keeping off platform by described optical fiber end lens
It is tightly fixed in the V-shaped groove of optical fiber end lens supports seat, sealed along optical fiber end rims of the lens by fluid sealant, except reinforcing
Effect outside, V-shaped groove is contacted with optical fiber end lens outer edge sealing guarantee that dampness or other dusts can not be entered by light hole
Enter housing pollution or corrode its internal laser receiving/transmitting device, die terminals lens and other components and parts, cause precision misalignment or make
Use the lost of life.It is fixed using fluid sealant in the application and sealing is for reaching above-mentioned purpose and effect.
Further, described plug-in optical fiber sleeve also includes liner ring, and described liner ring is socketed in optical fiber end lens and props up
Outside support seat, or it is socketed in outside barrel housing；Or liner ring and optical fiber end lens supports seat make integral, or liner ring with
Barrel housing making is integral, and liner ring in use, is used for fixing optical interface.
Further, described gear platform is located between optical fiber end lens and wire jumper lock pin；The thickness of described gear platform determines wire jumper
The distance of fiber-to-fiber end lens in lock pin.
Further, described optical fiber is divided into apc type and upc type, different according to the fiber type using, the corresponding shape keeping off platform
Shape is also different, but as long as the hole at Dang Tai center and fiber optic hub are aligned.
Further, when described laser receiving/transmitting device is chip of laser, described laser receiving/transmitting device also includes backlight
Detector, described back light detector sinters or is bonded on die support pad, and described die support pad welds or is bonded in
On main basal base, the position of described back light detector can receive, with its photosurface, light and and the chip of laser that chip of laser is sent out
The angles becoming about 8 to 15 degree are defined, and the photosurface of described back light detector receives light intensity signal after the light that chip of laser is sent out
The control device controlling light intensity is fed back to, this control device sends control signal and adjusts chip of laser after being converted into the signal of telecommunication
Transmitting light intensity.
Further, when described laser receiving/transmitting device is detector chip, described laser receiving/transmitting device is also included across resistance
Amplifier chip and correlation filtering electric capacity, described trans-impedance amplifier chip and correlation filtering electric capacity sinter or are bonded in wafer support
On pedestal, described die support pad welds or is bonded on main basal base, and described detector chip converts optical signals into telecommunications
Export after this signal of telecommunication being amplified by trans-impedance amplifier chip after number.
Further, according to the direction that described pricking with needle stretches out housing can be side pricking with needle, bottom pricking with needle, upper pricking with needle or other
The pricking with needle of different directions.
Further, described main basal base is coated with heat-conducting glue, is conducive to the internal each device of optical assembly to expand area of dissipation,
Accelerate radiating rate.
Further, the side plate in described housing is laid with fluid sealant, carries out air-tight packaging.
The invention has the beneficial effects as follows:
(1) present invention passes through to arrange beam splitter, and the laser coupled of multiple chip of laser transmitting is entered same light
Fibre, or the next laser of same fiber-optic transfer is respectively coupled on multiple detector chips, or the two mixing is carried out；And according to
The position of laser receiving/transmitting device of setting and quantity, can receive and dispatch optical assembly or single fiber multidirectional transmitting-receiving optical assembly as single fiber bi-directional,
Applied widely, easy to use.
(2) each laser receiving/transmitting device is isolated into single laser pick-off chamber by electromagnetic shielding plate or swashs by the present invention
Light emission cavity, it is to avoid the electromagnetic signal of generation interferes it is ensured that precision and stability.
(3) present invention adds optical fiber end lens in optical interface part, forms secondary condensation, improves photopolymerization degree, carry
High transmitting coupling efficiency with receive the sensitivity coupling；
When laser receiving/transmitting device is chip of laser and its auxiliary circuit, the minimum light spot that can reduce transmitting coupling is straight
Footpath, so that the cross section of the optical fiber in wire jumper lock pin is bigger with respect to this hot spot, is more easy to accurately receive transmitting coupling
Hot spot is so that the requirement to its installation site degree of accuracy in optical fiber sleeve reduces, thus simplifying optical fiber sleeve internal junction
Structure, has saved technical costss and time cost；
When laser receiving/transmitting device is detector chip and its auxiliary circuit, the minimum light spot that can reduce reception coupling is straight
Footpath, so that the photosurface of detector chip is bigger with respect to this hot spot, is more easy to accurately receive the hot spot receiving coupling.
(4) main basal base of the present invention and die support pad be regular texture it is easy in its plane paster and bonding, solve
Original to base shape height projection is different, the paster leading to and bonding efficiency low and during automated production bad folder
The problem held, by first closing the chip plane paster of laser receiving/transmitting device line unit of going forward side by side on die support pad, then by core
Piece supports pedestal welding or is bonded on main basal base so that structure is simple, easy for installation it is easy to automated production, realize completely
Automation mechanized operation.
(5) the optical interface part of the present invention is provided with the gear platform of middle with hole it is ensured that the position of wire jumper lock pin will not move forward,
And keep off lift thickness can precise control wire jumper lock pin front end to optical fiber end lens distance.
(6) optical fiber sleeve adopting in the present invention is when covering for plug-in optical fiber, the side of its lock pin cylinder open up crack so that
Its cross section is in c font, has necessarily elasticity using elastomeric material and, so as to internal diameter is adjustable, is easy to put into wire jumper lock pin it is easy to group
Dress and replacing wire jumper lock pin, and lock pin cylinder internal diameter in its natural state is less than or equal to the diameter of wire jumper lock pin, so that wire jumper is inserted
Can be tightly fastened after core insertion lock pin cylinder, and certain contact engaging and separating force can be kept；
When the optical fiber sleeve that the present invention adopts is tail-fiber type optical fiber sleeve, it is integrally formed, laser receiving/transmitting device and both
Optical fiber sleeve type can independent assortment as needed, adapt to multiple occasions.
(7) present invention adopt multiple energising interfaces, such as golden finger or pricking with needle, applied widely, be easy to promote the use of.
Brief description
Fig. 1 is the structural representation of the embodiment of the present invention 1.
Fig. 2 is the structural representation of the embodiment of the present invention 2.
Fig. 3 is the sectional view of plug-in optical fiber sleeve in the present invention.
Fig. 4 is the sectional view of tail-fiber type optical fiber sleeve in the present invention.
Fig. 5 is the overall structure diagram of plug-in optical fiber sleeve in the present invention.
Fig. 6 is the position relationship schematic diagram keeping off platform in the present invention.
Fig. 7 is Laser emission chamber internal structure schematic diagram in the present invention.
Wherein, 1 housing, 2 main basal bases, 3 die support pad, 4 energising interfaces, 5 laser receiving/transmitting devices, 6 light holes, 7-1
Die terminals lens, 7-2 die terminals lens supports seat, 8-1 optical fiber end lens, 8-2 optical fiber end lens supports seat, 9 optical fiber sleeves, 9-
1-1 barrel housing, 9-1-2 lock pin cylinder, 9-1-3 crack, 9-2-1 tail gum cover, 9-2-2 tail optical fiber lock pin cylinder, 10 gear platforms, 11 optical filterings
Piece, 12 light splitting passages, 13 electromagnetic shielding plates, 14 backlight detection chip, 15 liner rings, 16 V-shaped grooves, 17 wire jumper lock pins, 18 light
Fibre, 19 fluid sealants, 20 welds, 21 heat-conducting glues.
Specific embodiment
For making the technical problem to be solved in the present invention, technical scheme and beneficial effect clearer, below in conjunction with accompanying drawing
It is described in detail with specific embodiment.
As shown in Fig. 1 and Fig. 3 ~ 7, embodiment 1: it includes housing 1, the optical interface part being arranged on housing 1, is fixed on
Main basal base 2 in housing 1 and die support pad 3, the detector chip being respectively arranged on two described die support pad 3
And its auxiliary circuit and chip of laser and its auxiliary circuit and be correspondingly arranged in two die terminals lens 7- on main basal base 2
1；Described housing 1 side carries light hole 6, the light hole 6 on described optical interface component alignment housing 1；Described wafer support base
Seat 3 welds or is bonded on main basal base 2；
Two described die terminals lens 7-1 respectively in photosurface and the chip of laser front end of described detector chip, and
The optical axis of two described die terminals lens 7-1 is coaxially corresponding with described chip；It is provided between two described die terminals lens 7-1 point
Optical element；As shown in figure 1, described beam splitter includes light splitting passage 12 and two tablet filters being arranged in light splitting passage 12
11；Described light splitting passage 12 is provided with 3 passwaies, and wherein 2 passwaies are respectively directed at the optical axis of a die terminals lens 7-1,
Another passway is directed at light hole 6, has two bendings in described light splitting passage 12, and optical filter 11 described in two panels is located at respectively and divides
Two bending places in optical channel 12, and it is directed at two passway slant settings, its angle of inclination is in 45 degree with light splitting passage 12；
The laser of specific wavelength is carried out transmission or transmitting by described optical filter 11；
In FIG, housing 1 is separated into two chambers by middle electromagnetic shielding plate 13, and the laser receipts in chamber above/
Transmitting apparatus 5 be chip of laser and its auxiliary circuit, the laser receiving/transmitting device 5 in chamber below be detector chip and its
Auxiliary circuit；Described chip of laser lights and passes through optical filter 11 after the die terminals lens 7-1 in its chamber, through optical filter
11 are transmitted through light hole 6 sends, and is coupled into the optical fiber 18 of wire jumper lock pin 17 in optical fiber sleeve 9 through optical fiber end lens 8-1
In；The laser being come by transmission in optical fiber 18, enters beam splitter through light hole 6 after entering optical fiber end lens 8-1, again through two panels
Project from passway after the reflection of optical filter 11, be coupled to the photosurface of detector chip by die terminals lens 7-1.
When in light splitting passage 12 when being bent to different angle, the angle of inclination also accommodation to be done of optical filter 11,
Light in two chambers can be communicated with light hole 6 respectively with guarantee beam splitter.
Described optical interface part includes optical fiber end lens 8-1 and optical fiber sleeve 9；Described optical fiber end lens 8-1 is located at optical fiber
Between the light hole 6 of sleeve 9 one end and housing 1；
Described chip of laser and its auxiliary circuit and the die terminals lens 7-1 on front side of it form one group, described detector
Die terminals lens 7-1 on front side of chip and its auxiliary circuit and its photosurface forms one group, by electromagnetic shielding plate 13 between two groups
It is spaced apart, therefore form Laser emission chamber and laser pick-off chamber.
Energising interface 4 is additionally provided with described pedestal, is carried out with described laser receiving/transmitting device 5 with via by bonding line
Required electric connection, described energising interface 4 stretches out housing 1 and extraneous electric signal communication, between described energising interface 4 and housing 1
Airtight sealing is carried out by fluid sealant 19；
The light hole 6 through described housing 1 for the laser beam that transmits/receives of described laser receiving/transmitting device 5 comes in and goes out.
Further, described die terminals lens 7-1 and optical fiber end lens 8-1 be globe lenss, non-globe lenss, planoconvex lenss or
Lens pillar.
Further, described main basal base 2 and die support pad 3 are the metallized ceramic substrate of single-side/double-side, routine
Pcb plate, aluminium base pcb plate, cuprio pcb plate or the moulding including metal line.
Further, described energising interface 4 is arranged on described main basal base 2, and described energising interface 4 is using in main basal base 2
Upper wiring generates golden finger or pricking with needle.
Further, described optical fiber sleeve 9 is plug-in optical fiber sleeve or tail-fiber type optical fiber sleeve；
When described optical fiber sleeve 9 is plug-in optical fiber sleeve, described optical fiber sleeve 9 includes barrel housing 9-1-1 and side
Face has the lock pin cylinder 9-1-2 of crack 9-1-3；It is enclosed within barrel housing 9-1-1 in described lock pin cylinder 9-1-2, described lock pin cylinder
The outer wall of 9-1-2 upper crack 9-1-3 offside is welded with barrel housing 9-1-1 inwall, forms weld 20；Wire jumper lock pin 17 conduct
External thing, is inside inserted in lock pin cylinder 9-1-2；
When described optical fiber sleeve 9 is tail-fiber type optical fiber sleeve, described optical fiber sleeve 9 includes tail gum cover 9-2-1, tail optical fiber is inserted
Core cylinder 9-2-2 and wire jumper lock pin 17；Described wire jumper lock pin 17 is welded in tail optical fiber lock pin cylinder 9-2-2, described tail optical fiber lock pin cylinder 9-
It is arranged with tail gum cover 9-2-1 outside 2-2.
Further, described optical interface part also includes the gear platform 10 of middle with hole, described optical fiber end lens 8-1, gear platform
10 and wire jumper lock pin 17 in optical fiber 18 three between sequentially coaxially seamless contact.
Further, a kind of multidirectional optical assembly of single fiber also includes die terminals lens supports seat 7-2 and optical fiber end lens supports
Seat 8-2；It is equipped with loophole on described die terminals lens supports seat 7-2 and optical fiber end lens supports seat 8-2；
Described die terminals lens 7-1 is fixed in die terminals lens supports seat 7-2, and described die terminals lens 7-1 passes through core
Bit end lens supports seat 7-2 welds or is bonded on main basal base 2, and the optical axis of described die terminals lens 7-1 is propped up with die terminals lens
Loophole on support seat 7-2 coaxially corresponds to；The photosurface of described detector chip or chip of laser are with die terminals lens 7-1's
Optical axis corresponds to；
Described optical fiber end lens 8-1 is fixed in optical fiber end lens supports seat 8-2, and described optical fiber end lens 8-1 passes through light
Fine end lens supports seat 8-2 welding or be bonded between optical fiber sleeve 9 one end and the light hole 6 of housing 1, described housing 1 logical
Optical fiber 18 in the loophole of 8-2, the optical axis of optical fiber end lens 8-1 and wire jumper lock pin 17 on unthreaded hole 6, optical fiber end lens supports seat
Light shaft coaxle corresponds to.
Further, described gear platform 10 is fixedly connected with optical fiber end lens supports seat 8-2, described optical fiber end lens supports seat
8-2 is provided with the cylinder of V-shaped groove 16 for one end, and described optical fiber end lens 8-1 passes through the V-shaped of optical fiber end lens supports seat 8-2 one end
Groove 16 is closely embedded in, and described optical fiber end lens 8-1 is tightly fixed to optical fiber end lens supports seat by described gear platform 10
In 8-2.
Further, between described optical fiber end lens 8-1 and optical fiber end lens supports seat 8-2, circulation of qi promoting is entered by fluid sealant 19
Close property sealing.
Further, described laser receiving/transmitting device 5 is the photodiode such as chip of laser and detector chip and its auxiliary
Help circuit, its auxiliary circuit is custom circuit.
Further, described laser receiving/transmitting device 5 transmit/receive the light successively through described die terminals lens 7-1 for the laser beam
In hole and wire jumper lock pin 17 in the middle of light hole 6 on axle, light splitting passage, housing 1, the optical axis of optical fiber end lens 7-1, gear platform 10
Optical fiber 18 come in and go out.
Further, the internal diameter under described lock pin cylinder 9-1-2 naturalness is less than or equal to the diameter of wire jumper lock pin 17.
Further, described tail optical fiber lock pin cylinder 9-2-2 side has crack 9-1-3, and described wire jumper lock pin 17 inserts tail optical fiber
In lock pin cylinder 9-2-2, the internal diameter under described tail optical fiber lock pin cylinder 9-2-2 naturalness is less than or equal to the diameter of wire jumper lock pin 17,
Wire jumper lock pin 17 in described tail optical fiber lock pin cylinder 9-2-2 by fluid sealant 19, tail optical fiber is fixed in wire jumper lock pin 17, described tail
A kind of fine form for optical fiber 18.
Further, described gear platform 10 is fixedly connected with optical fiber end lens supports seat 8-2, by keeping off platform 10 by described optical fiber
End lens 8-1 is tightly fixed in the V-shaped groove 16 of optical fiber end lens supports seat 8-2, by fluid sealant 19 along optical fiber end lens 8-1
Edge is sealed, except reinforce effect in addition to, V-shaped groove 16 is contacted with optical fiber end lens 8-1 outer edge seal guarantee dampness or
Other dusts can not be polluted by light hole 6 entrance housing 1 or corrode its internal laser receiving/transmitting device 5, die terminals lens 7-
1 and other components and parts, cause precision misalignment or service life to shorten.It is fixed using fluid sealant 19 in the application and seals all
It is in order to achieve the above object and effect.
Further, described plug-in optical fiber sleeve 9 also includes liner ring 15, and it is saturating that described liner ring 15 is socketed in optical fiber end
Outside mirror support base 8-2, or it is socketed in outside barrel housing 9-1-1；Or liner ring 15 is fabricated to optical fiber end lens supports seat 8-2
Integrally, or liner ring 15 and barrel housing 9-1-1 make integral, liner ring 15 in use, is used for fixing optical interface.
Further, described gear platform 10 is located between optical fiber end lens 8-1 and wire jumper lock pin 17；The thickness of described gear platform 10
Determine that in wire jumper lock pin 17, optical fiber 18 is to the distance of optical fiber end lens 8-1.
Further, described optical fiber 18 is divided into apc type and upc type, different according to optical fiber 18 type using, and accordingly keeps off platform
10 shape is also different, but as long as the hole at Dang Tai 10 center and optical fiber 18 center are aligned.
Further, when described laser receiving/transmitting device 5 is chip of laser and its auxiliary circuit, described laser transmits/receives dress
Put 5 and also include back light detector 14, described back light detector 14 sinters or is bonded on die support pad 3, and described chip props up
Support group seat 3 welds or is bonded on main basal base 2, and the position of described back light detector 14 can receive laser instrument core with its photosurface
Light that piece is sent out and become the angles of about 8 to 15 degree to be defined with chip of laser, the photosurface of described back light detector 14 receives laser
After the light that device chip is sent out, light intensity signal is converted into feeding back to the control device controlling light intensity after the signal of telecommunication, this control device is sent out
Go out the light intensity that control signal adjusts the transmitting of chip of laser.
Further, when described laser receiving/transmitting device 5 is detector chip and its auxiliary circuit, described laser transmits/receives dress
Put and also include trans-impedance amplifier chip and correlation filtering electric capacity, described trans-impedance amplifier chip and correlation filtering electric capacity sinter or viscous
It is connected on die support pad 3, described die support pad 3 welds or is bonded on main basal base 2, described detector chip is by light
Signal exports after this signal of telecommunication being amplified by trans-impedance amplifier chip after being converted into the signal of telecommunication.
Further, according to the direction that described pricking with needle stretches out housing can be side pricking with needle, bottom pricking with needle, upper pricking with needle or other
The pricking with needle of different directions.
Further, described main basal base 2 is coated with heat-conducting glue 21, is conducive to the internal each device of optical assembly to expand radiating surface
Long-pending, accelerate radiating rate.
Further, the side plate in described housing 1 is laid with fluid sealant 19, carries out air-tight packaging.
As shown in Fig. 2 ~ 7, embodiment 2 includes housing 1, the optical interface part being arranged on housing 1, is fixed on housing 1
Interior main basal base 2 and n die support pad 3；Described die support pad 3 welds or is bonded on main basal base 2；N is more than 2.
It is respectively arranged with laser receiving/transmitting device 5, referring in Fig. 2, on die support pad 3 on each die support pad 3
The laser receiving/transmitting device 5 of welding or bonding can be detector chip and its auxiliary circuit or chip of laser and its
Auxiliary circuit, before each detector chip and chip of laser, coupling has die terminals lens 7-1, and described housing 1 side carries logical
Unthreaded hole 6, embodiment 2 also includes optical interface part, the light hole 6 on described optical interface component alignment housing 1.
As shown in Fig. 2 each laser receiving/transmitting device 5 and the die terminals lens 7-1 mating before it are one group, by electromagnetism
Each group is separated into little cavity independent one by one by barricade 13, it is to avoid internal laser beam mutual interference and loss, is conducive to improving
Precision, similarly reduces the outside light entering interference.
Described die terminals lens 7-1 respectively in the photosurface front end of each detector chip and chip of laser, and each
The optical axis of die terminals lens 7-1 is coaxially corresponding with described photosurface；It is provided with beam splitter between each die terminals lens 7-1；As
Fig. 2 shows, described beam splitter includes light splitting passage 12 and the multiple optical filters 11 being arranged in light splitting passage 12；Described light splitting is led to
Road 12 is provided with passway corresponding with optical filter 11, and wherein each passway is directed at the optical axis of a die terminals lens 7-1, also
There is passway be aligned light hole 66, in the quantity of described optical filter 11 and light splitting passage 12, need the number of beams phase separating
Coupling, separates light beam and is equivalent to and reflected light beam, and described optical filter 11 is located at respectively to be needed at light splitting in light splitting passage 12,
And it is directed at each passway slant setting, its angle of inclination is in 45 degree with light splitting passage 12；Described optical filter 11 is to specific wavelength
Laser carry out transmission or transmitting；
In fig. 2, housing 1 is separated into each chamber by middle electromagnetic shielding plate 13, and the laser in each chamber transmits/receives
Device 5 have for chip of laser and its auxiliary circuit, have for detector chip and its auxiliary circuit.
The work process of the present embodiment is as follows:
Described chip of laser lights after the die terminals lens 7-1 in its chamber, through optical filter 11 transmission or transmitting
Sent by light hole 6, in the optical fiber 18 that optical fiber end lens 8-1 is coupled into wire jumper lock pin 17 in optical fiber sleeve 9；By light
The laser transmitting in fine 18 and coming, enters beam splitter through light hole 6, again through corresponding optical filter after entering optical fiber end lens 8-1
Project from passway after 11 transmission or reflections, be coupled to the photosurface of corresponding detector chip by die terminals lens 7-1.
When in light splitting passage 12 when being bent to different angle, the angle of inclination also accommodation to be done of optical filter 11,
The laser beam of each within the chamber can be communicated with light hole 6 respectively with guarantee beam splitter.
Described optical interface part includes optical fiber end lens 8-1 and optical fiber sleeve 9；Described optical fiber end lens 8-1 is located at optical fiber
Between the light hole 6 of sleeve 9 one end and housing 1；
Described chip of laser and its auxiliary circuit and the die terminals lens 7-1 on front side of it form one group, described detector
Die terminals lens 7-1 on front side of chip and its auxiliary circuit and its photosurface forms one group, by electromagnetic shielding plate 13 between two groups
It is spaced apart, therefore form Laser emission chamber and laser pick-off chamber.
Energising interface 4 is additionally provided with described pedestal, is carried out with described laser receiving/transmitting device 5 with via by bonding line
Required electric connection, described energising interface 4 stretches out housing 1 and extraneous electric signal communication, between described energising interface 4 and housing 1
Airtight sealing is carried out by fluid sealant 19；
The light hole 6 through described housing 1 for the laser beam that transmits/receives of described laser receiving/transmitting device 5 comes in and goes out.
In addition to features described above, other features of embodiment 2 are same as Example 1.
Present configuration is simple, regular, using plane patch and bonding, according to the arrangement of laser receiving/transmitting device 5 need by
Die support pad welds or is bonded on main basal base, regular shape, is easy to clamp, can be using conventional patch device and bonding
Equipment can complete, without dedicated custom equipment, improve produce and paster encapsulation efficiency, and greatly reduce making this
Bright human cost and time cost.
The present invention arranges two collective opticses, increases spotlight effect, improves the spirit that transmitting coupling efficiency is coupled with reception
Sensitivity, structure is simple, beneficial to automation mechanized operation；Using plug-in electrical interface, beneficial to use.
The above embodiment is only the preferred embodiments of the present invention, and the exhaustion of the simultaneously feasible enforcement of non-invention.Right
For persons skilled in the art, to its done any showing on the premise of without departing substantially from the principle of the invention and spirit
The change being clear to, all should be contemplated as falling with the claims of the present invention.
Claims (9)
1. a kind of multidirectional optical assembly of single fiber it is characterised in that: it includes side and carries the housing (1) of light hole (6), is fixed on institute
State the pedestal in housing (1), at least 2 laser receiving/transmitting devices (5) being arranged on described pedestal and each described laser receive/
Beam splitter between die terminals lens (7-1) that transmitting apparatus (5) are coaxially disposed, described die terminals lens (7-1) and with institute
State the optical interface part that light hole (6) is coaxially disposed；
Described optical interface part includes optical fiber end lens (8-1) and optical fiber sleeve (9)；Described optical fiber end lens (8-1) are located at light
Between fine sleeve (9) one end and the light hole (6) of housing (1)；Described optical fiber sleeve (9) is plug-in optical fiber sleeve or tail-fiber type
Optical fiber sleeve；
Described plug-in optical fiber sleeve includes barrel housing (9-1-1) and side has the lock pin cylinder (9-1- in crack (9-1-3)
2)；It is enclosed within described lock pin cylinder (9-1-2) in barrel housing (9-1-1), the upper crack (9-1-3) of described lock pin cylinder (9-1-2) is right
The outer wall of side is welded with barrel housing (9-1-1) inwall, is inserted in lock pin cylinder (9-1-2) in external wire jumper lock pin (17)；
Described tail-fiber type optical fiber sleeve includes tail gum cover (9-2-1), tail optical fiber lock pin cylinder (9-2-2) and wire jumper lock pin (17)；Described
Wire jumper lock pin (17) is welded in tail optical fiber lock pin cylinder (9-2-2), is arranged with tail gum cover (9- outside described tail optical fiber lock pin cylinder (9-2-2)
2-1)；
Described beam splitter includes light splitting passage (12) and the optical filter (11) being arranged in light splitting passage (12)；
Described laser receiving/transmitting device (5) is detector chip and its auxiliary circuit or chip of laser and its auxiliary circuit, described
Laser receiving/transmitting device (5) sinters or is bonded on described pedestal；
The die terminals lens (7-1) of the corresponding coupling of each described laser receiving/transmitting device (5) form one group, between every group by
Electromagnetic shielding plate (13) is spaced apart；
Energising interface (4) is additionally provided with described pedestal, described energising interface (4) stretches out housing (1) and extraneous electric signal communication.
2. a kind of multidirectional optical assembly of single fiber according to claim 1 it is characterised in that: described pedestal includes main basal base (2)
With die support pad (3), described die support pad (3) is arranged on main basal base (2)；Described laser receiving/transmitting device (5) sets
Put on die support pad (3).
3. a kind of multidirectional optical assembly of single fiber according to claim 2 it is characterised in that: described main basal base (2) and chip prop up
Support group seat (3) is the ceramic substrate of one-sided metallic, the ceramic substrate of two-sided metallization, aluminium base pcb plate, cuprio pcb plate or interior
Moulding containing metal line.
4. a kind of multidirectional optical assembly of single fiber according to claim 2 it is characterised in that: described energising interface (4) is arranged on
On described main basal base (2), described energising interface (4) generates golden finger or pricking with needle using in the upper wiring of main basal base (2).
5. a kind of multidirectional optical assembly of single fiber according to claim 1 it is characterised in that: during described optical interface part also includes
Between gear platform (10) with holes, optical fiber (18) three in described optical fiber end lens (8-1), gear platform (10) and wire jumper lock pin (17) it
Between sequentially coaxially seamless contact.
6. according to claim 1 or 5 a kind of multidirectional optical assembly of single fiber it is characterised in that: it also includes die terminals lens
Support base (7-2) and optical fiber end lens supports seat (8-2)；Described die terminals lens supports seat (7-2) and optical fiber end lens supports
It is equipped with loophole on seat (8-2)；
Described die terminals lens (7-1) are fixed in die terminals lens supports seat (7-2), and described die terminals lens (7-1) are passed through
Die terminals lens supports seat (7-2) are welded or are bonded on main basal base (2), the optical axis of described die terminals lens (7-1) and chip
Loophole on end lens supports seat (7-2) coaxially corresponds to；The photosurface of described detector chip or chip of laser and chip
The optical axis at end lens (7-1) corresponds to；
Described optical fiber end lens (8-1) are fixed in optical fiber end lens supports seat (8-2), and described optical fiber end lens (8-1) are passed through
Optical fiber end lens supports seat (8-2) is welded or is bonded between optical fiber sleeve (7) one end and the light hole (6) of housing (1), described
Loophole in the light hole (6) of housing (1), optical fiber end lens supports seat (8-2), the optical axis of optical fiber end lens (8-1) and jump
Light shaft coaxle in line lock pin (14) corresponds to.
7. a kind of multidirectional optical assembly of single fiber according to claim 6 it is characterised in that: described optical fiber end lens supports seat
(8-2) it is provided with the cylinder of V-shaped groove (16) for one end, described optical fiber end lens (8-1) pass through optical fiber end lens supports seat (8-2)
The V-shaped groove (16) at end is closely embedded in.
8. a kind of multidirectional optical assembly of single fiber according to claim 1 it is characterised in that: the light splitting in described beam splitter
Passage (12) is provided with passway, and described passway is respectively aligned to optical axis and the light hole of each described die terminals lens (7-1)
(6), described optical filter (11) aligned with channel mouth slant setting.
9. a kind of multidirectional optical assembly of single fiber according to claim 1 it is characterised in that: described die terminals lens (7-1) and
Optical fiber end lens (8-1) are globe lenss, non-globe lenss, planoconvex lenss or lens pillar.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410835041.2A CN104570239B (en) | 2014-12-30 | 2014-12-30 | Single-fiber multidirection optical component |
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| CN201410835041.2A CN104570239B (en) | 2014-12-30 | 2014-12-30 | Single-fiber multidirection optical component |
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| CN107462956B (en) * | 2017-08-14 | 2019-09-10 | 青岛海信宽带多媒体技术有限公司 | Light-receiving secondary module and optical module |
| TWI694274B (en) * | 2019-04-23 | 2020-05-21 | 和碩聯合科技股份有限公司 | Bosa shielding structure |
| CN110310465B (en) * | 2019-06-17 | 2024-04-19 | 浙江东方职业技术学院 | Optical fiber manual fire alarm button with light splitting optical fiber as signal indication |
| CN116203685A (en) * | 2019-09-29 | 2023-06-02 | 苏州旭创科技有限公司 | Optical interface assembly and optical module |
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| JP2943436B2 (en) * | 1991-08-29 | 1999-08-30 | 日本電気株式会社 | Semiconductor laser module |
| US6652158B2 (en) * | 2000-09-05 | 2003-11-25 | Optical Zonu Corporation | Optical networking unit employing optimized optical packaging |
| US7013069B1 (en) * | 2004-07-06 | 2006-03-14 | Alliance Fiber Optic Products, Inc. | Method and apparatus for separating channel signals |
| CN103048745A (en) * | 2012-12-21 | 2013-04-17 | 深圳市易飞扬通信技术有限公司 | Bidirectional optical subassembly and SFP (Small Form-factor Pluggable) optical transceiver module |
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