CN1841103A - Methods and apparatus for optical component identification - Google Patents

Methods and apparatus for optical component identification Download PDF

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Publication number
CN1841103A
CN1841103A CNA2005101051177A CN200510105117A CN1841103A CN 1841103 A CN1841103 A CN 1841103A CN A2005101051177 A CNA2005101051177 A CN A2005101051177A CN 200510105117 A CN200510105117 A CN 200510105117A CN 1841103 A CN1841103 A CN 1841103A
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CN
China
Prior art keywords
optics
optical
osa
fluorescent
fluorescent material
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Pending
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CNA2005101051177A
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Chinese (zh)
Inventor
吉姆·塔特姆
詹姆斯·K·冈特
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Finisar Corp
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Finisar Corp
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Publication of CN1841103A publication Critical patent/CN1841103A/en
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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
    • G02B6/4256—Details of housings
    • G02B6/4257—Details of housings having a supporting carrier or a mounting substrate or a mounting plate
    • 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
    • G02B6/4219—Mechanical fixtures for holding or positioning the elements relative to each other in the couplings; Alignment methods for the elements, e.g. measuring or observing methods especially used therefor
    • G02B6/4236—Fixing or mounting methods of the aligned elements
    • G02B6/424—Mounting of the optical light guide
    • 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
    • G02B6/4255—Moulded or casted packages
    • 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
    • G02B6/4256—Details of housings
    • G02B6/426—Details of housings mounting, engaging or coupling of the package to a board, a frame or a panel
    • G02B6/4261—Packages with mounting structures to be pluggable or detachable, e.g. having latches or rails
    • 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
    • G02B6/4256—Details of housings
    • G02B6/4262—Details of housings characterised by the shape of the housing
    • G02B6/4263—Details of housings characterised by the shape of the housing of the transisitor outline [TO] can type
    • 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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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Couplings Of Light Guides (AREA)

Abstract

Methods, apparatuses, and systems for obtaining identification information about fiber optic components and optical assemblies in a non-invasive manner. The present invention includes optical subassemblies ('OSAs'), and optical assemblies incorporating the OSAs where the OSAs comprise means, such as fluorescent material, for producing a fluorescent identification emission having a predetermined spectral signature that provides identification information describing the particular OSA, a component of the OSA, or the optical assembly. The present invention further includes methods for manufacturing fiber optic components to include fluorescent material providing identification information describing the fiber optic component.

Description

The method and apparatus that is used for optical component identification
Technical field
The present invention relates to the optics in the optical fiber telecommunications system.More specifically, the present invention relates to be used to provide the method, apparatus and system of optical fiber components sign.
Background technology
Optical fiber technology is used in the binary transmissions of communication network data carried by data just day by day.Adopt the network of optical fiber technology to be known as optical communication network, and be feature with reliable, high speed data transmission typically with high bandwidth.
In order to use optical fiber technology on optical communication network, to communicate by letter, be used to send and receive optical data such as the optical fiber components of fiber optical transceiver.Usually, fiber optical transceiver can comprise one or more optical sub-assemblies (" OSA "), as is used to the reception optical sub-assembly (" ROSA ") launching optical signal transmitting optical sub-assembly (" TOSA ") and be used for receiving optical signals.More specifically, described TOSA has electrical optical converter, and it receives electrical data signal number and number converts this electrical data signal to the light data-signal so that be transmitted on the optical-fiber network.Described ROSA has light-electric transducer, and it receives the light data-signal and convert the light data-signal that is received to electrical data signal number so that further use and/or handle from described optical-fiber network.The two comprises the specific optical components that is used to carry out this function described ROSA and described TOSA.
Particularly, typical TOSA comprises optical launcher, and as light emitting diode (" LED ") or laser diode, it is positioned at head, is used for light signal is transmitted into optical fiber.Typically use plastic barrel (plastic barrel) will also being coupled from the light signal emission of described optical launcher and the end alignment of optical fiber cable so that described light signal is transmitted into fiber optic network.Similarly, typical R OSA comprises optical receiver, and as PIN photodiode or avalanche photodide (" APD "), it is positioned at head.Typically use plastic barrel will be used to transmit from the end alignment of the optical fiber cable of the light signal of fiber optic network and to be coupled to described optical receiver.Described ROSA and TOSA can pack in the carrier class encapsulation, for example, and as ST, SOT, SC, FC, SMA, tail optical fiber, LC and TO-Can encapsulation.
In order to discern optics, typically mark is arranged on the optical fiber components outside.But,, observe such as the mark on the parts of TOSA and ROSA normally very difficult in case they are incorporated in higher level system or the parts.Do like this to need to take apart, test inadequately or destroy described higher level system or parts.For example, in manufacturer the tube part of TOSA is attached under the situation in the transceiver, described tube is typically surrounded by other specific features of described TOSA, other OSA and shell, make if not impossible, be difficult to described tube is carried out visual inspection and not to the taking apart of described transceiver, inappropriate test or destruction.
As a result, for dealer and consumer, determine that the source of optics becomes difficult.For the fake producer, the outward appearance and the mark that duplicate other manufacturer also become easy its optics is pretended to be outward appearance and mark for well-known manufacturer.The optics of forging has become special concern in the international market, wherein the fake producer on cost investment just can imitate the appearance of well-known manufacturer with the quality that identical standard is provided and not pay normal effort and obtain consumer's goodwill.
Such as the optical fiber components of ROSA and TOSA the overall performance and the reliability of end product had remarkable contribution, and therefore the consumer may to be willing to mean the high quality optical components payment more.Particular manufacturer may be known to the public with the reputation of its production high quality optical components.In many cases, the consumer can not verify that it is received or the part considering to buy whether in fact by the particular manufacturer manufacturing.
Except the checking optics the source with the problem that prevents to forge, for dealer and consumer, in case optics is attached in the higher level assembly, it also is difficult then discerning its feature.For example, not to the taking apart of higher level system or parts, test or destroy inadequately, typically may be not easy to obtain the relevant information of further feature with optics build date, optics manufacturing location, number of element types, optics condition of work and specific optical components.Manufacturer, dealer, user or consumer may want to discern in non-invasive mode these and many further features of described optics in some cases.
Therefore, the method, apparatus and system that are used for obtaining in non-invasive mode the identification information of relevant optical fiber components and optical module will be favourable.
Summary of the invention
The present invention relates to be used for obtaining the method, apparatus and system of the identification information of relevant optical fiber components and optical module in non-invasive mode.The present invention can comprise OSA, and it comprises: optical fiber interface; Active (active) optical devices with described optical fiber interface optical alignment, are used for the transmission of light signal; And optics, comprise fluorescent material, be used to produce fluorescent emission, described fluorescent emission has the predetermined spectrum signature (spectral signature) of one or more features of the described optical sub-assembly of sign.
The method that is used to make optical fiber components has also been described.This method can comprise: fluorescent material is chosen to launch predetermined spectrum signature, and described predetermined spectrum signature provides a description the identification information of optical fiber components; And make described optical fiber components, comprise manufacturing to small part of described optical fiber components comprised selected fluorescent material.
Description of drawings
In order further to illustrate above and other advantage and feature of the present invention, will carry out with reference to its specific embodiment shown in the accompanying drawings of the present invention more specifically the description.Therefore be understood that these figure only illustrate exemplary embodiments of the present invention and should not be taken as restriction to its scope.Will be by using accompanying drawing to come more specifically and describing and illustrate the present invention in detail, in the accompanying drawings:
Fig. 1 explanation is according to the optical sub-assembly of one exemplary embodiment of the present invention;
Fig. 2 explanation is according to the optical sub-assembly of one exemplary embodiment of the present invention;
Fig. 3 explanation is according to the optical sub-assembly that is connected to the optical fibre device interface of one exemplary embodiment of the present invention;
Fig. 4 explanation according to one exemplary embodiment of the present invention be used to cause, the proving installation of reception and analysis of fluorescence emission;
Fig. 5 explanation according to one exemplary embodiment of the present invention be used to cause, the proving installation of reception and analysis of fluorescence emission; And
Fig. 6 explanation is used for carrying out with communication network two proving installations of the transceiver-main-machine communication node of data communication according to being coupled to of one exemplary embodiment of the present invention.
Embodiment
Principle of the present invention comes to be described structure and the work that is used for implementing exemplary embodiment of the present invention with explanation with reference to the accompanying drawings.Use diagram and description to propose the present invention by this way and should not be interpreted as limiting its scope.The part of supplementary features of the present invention and advantage will become apparent from the instructions that comprises claim, perhaps can the acquistion by practice of the present invention.
Fluorescent radiation (fluorescence) is set up excited state thus by the energy in the absorption particular spectral usually and is caused in fluorescent material.After absorbing energy, the electronics in the described fluorescent material turns back to its original state and described energy is emitted as again light in the particular spectral that depends on fluorescent material.Described emission process can be described as fluorescent radiation.
With reference to figure 1, show optical sub-assembly 110 according to one exemplary embodiment of the present invention.Optical sub-assembly 110 comprises the active optics device 120 that is positioned at head 130, is used for the transmission of light signal.Under the situation of TOSA, active optics device 120 can be the optical launcher that is positioned at head 130, as light emitting diode or laser diode.Under the situation of ROSA, active optics device 120 can be the optical receiver that is positioned at head 130, as PIN photodiode or avalanche photodide (" APD ").
Head 130 can comprise a plurality of electrical leads 140, is called feedthrough (feed through) sometimes, is used to provide the active optics device 120 that is installed on the head 130 and power and the data transmission between the OSA printed circuit board (PCB) (" PCB ").Described active optics device can be packed in the optical package 160, for example, encapsulates as TO-Can.Optical sub-assembly 110 can further comprise tube 150, be used for optical cable aimed at active optics device 120 and coupling so that the optical signal transmission between described optical cable and the active optics device 120.Tube 150 can comprise mechanical features (mechanical feature) 170, is used at transceiver module described OSA being installed.
According to one exemplary embodiment of the present invention, can the forming or apply with fluorescent marker dyestuff (fluorescent taggant dye) to small part of optical sub-assembly 110.For example, as shown in Figure 1, the tube 150 of optical sub-assembly 110 can form or apply with fluorescent plastic dyestuff (fluorescent plastic dye).During molding process, described dyestuff can add the material that forms tube 150 to, and can change aspect concentration and fluorescent radiation spectrum.An example of operable many dyestuffs is Rhodamine 6G.
According to one exemplary embodiment of the present invention, can the comprising or coated with the label particle, as quantum dot (quantum dot) to small part of optical sub-assembly 110.For example, according to Fig. 1, the tube 150 of optical sub-assembly 110 can form or apply with quantum dot.Quantum dot is to have by semiconductor material, nanoscale (nanometer-scale) semiconductor crystal of the core of forming as cadmium selenide (CdSe), cadmium sulfide (CdS), cadmium telluride (CdTe) etc. (core).Described core can be applied as ZnS by shell material (shellmaterial).
The selection of the material of described quantum dot core can be used for specifying emission spectrum.In addition, the size of described crystal can be used for adjusting the emission wavelength in the spectrum that can be used for every kind of material.The manufacture method of quantum dot comprises that its physics and optical characteristics are well-known.For example, referring to Xavier Michalet, Fabien Pinaud, Thilo D.Lacoste, Maxime Dahan, Marcel P.Bruchez, A.PaulAlivisatos and Shimon Weiss, " Properties of Fluorescent SemiconductorNanocrystals and their Application to Biological Labeling ", Single Mol.2 (2001) 4,261-276; Warren C.W.Chan, Shuming Nie, " Quantum DotBioconjugates for Ultrasensitive Nonisotopic Detection ", Science Vol.281 (5385): 2016 (1998); Marchel Burchez Jr., Mario Maronne, Peter Gin, ShimonWeiss, A.Paul Alivisatos, " Semiconductor nanocrystals as FluorescentBiological Labels ", 281 (5385): 2013 (1998); The content of described three documents is hereby incorporated by.
Have the different dyes of different spectrum emissions or label particle such as quantum dot and can use the more complicated spectrum signature that is similar to the spectrum bar code with establishment together.By producing the relative intensity between particular color and the described color, described spectrum signature can be used for identifying optical sub-assembly 110.The relative intensity of color can be by adding described material to the label particle or the relative scale of dyestuff control.For example, described spectrum signature can be indicated optical sub-assembly 110 or be comprised manufacturer, year built, model, operating characteristic or the manufacturing location of the parts of optical sub-assembly 110.Described spectrum signature can be that vision is tangible for the people, maybe can analyze by optical filter or reader such as spectrometer.By the different combinations of composing the dyestuff of emission of the generation that produces the spectrum bar code, any information useful to manufacturer, dealer, user or consumer can be encoded into spectrum signature.
Though in fact can use any fluorescent marker dyestuff or particle, in certain embodiments, quantum dot has the advantage that is better than other fluorescent marker dyestuff or particle.For example, quantum dot is particularly suitable for using in optical fiber components, because they produce the emission with narrow fluorescence Spectra, and owing to its long stable life-span, has the ability of reliable control intensity.For example, because the difference that is presented spectrum and relative intensity thereof, described spectrum signature is especially easily distinguished.Therefore, quantum dot allows the different spectrum signatures of big figure so that additional information can be included in the spectrum signature, further describes optical sub-assembly 110 potentially or in conjunction with the parts of optical sub-assembly 110.
Embodiment shown in Fig. 1 is described, and wherein the tube 150 of optical sub-assembly 110 can be used the fluorescent plastic material, forms or applies as label dyestuff or label particle.Specific setting embodiment illustrated in fig. 1 only is used for explanation.After having looked back this instructions, will be apparent that those skilled in the art, can materials used or other configuration of label particle.For example, the present invention includes such embodiment, wherein any part binding label material of the parts of any optical devices, assembly, encapsulation or parts is so that provide identification information.For example, according to instruction of the present invention, head, cover (cap), lens, substrate, housing or in fact any part of optical devices, assembly, encapsulation or parts can make or coated with spectrum signature is provided with fluorescent material.
Still with reference to figure 1, tube 150 can comprise outside surface, and its shaping also is configured to hold the optical device interface of any kind or configuration.For example, described optical sub-assembly can comprise outside surface, and its shaping also is configured to hold the SC or the LC joints of optical fibre that are used for optical sub-assembly 110 is coupled light to optical fiber cable.
Optical sub-assembly 110 can comprise the parts or the configuration of any number, and the embodiment shown in Fig. 1 only illustrates one exemplary embodiment of the present invention.For example, with reference now to Fig. 2, show TOSA according to one exemplary embodiment of the present invention.Described TOSA can comprise TO-Can encapsulation 260, and described TO-Can encapsulation 260 comprises the Vcsel (" VCSEL ") 220 that is positioned on the Laser Drive 235.Laser Drive 235 can comprise drive circuit for laser and can be positioned on the head 230.Monitor photodiode (monitor photodiode) 225 can be close to VCSEL220 and be provided with on Laser Drive 235, is used to the feedback that provides relevant with the output of VCSEL 220.Head 230 can comprise a plurality of feedthroughs 240, is used to provide current to the parts that are positioned on the head 230.According to an embodiment, Laser Drive 235 can be that modulated laser drives, and its modulation is provided to the bias current sources of VCSEL 220 from optical sub-assembly 110 outsides via feedthrough 240.VCSEL 220, monitor photodiode 225 and Laser Drive 235 can be discrete parts, or can be made by identical extension design.
Optical sub-assembly 210 may further include plastic barrel 250, is used for end of cable being aimed at VCSEL 220 and being coupled.Plastic barrel 250 can comprise and be used for that described TOSA is installed in the mechanical features 270 of transceiver module and be used to focus on optical lens surface 280 from the optical emitting of VCSEL 220.Typically, outside transmitter, mechanical features 270 is unavailable, and optical fiber ferrule and tube 150 are that optical fiber align is necessary whole in TOSA 210.According to this embodiment of the invention, the tube 250 or any other parts to small part, can comprise fluorescent marker, as fluorescent dye or quantum dot, be used to produce fluorescent emission with different spectrum signatures.
With reference now to Fig. 3,, according to one exemplary embodiment of the present invention, the optical sub-assembly 110 (as shown in FIG. 1) that comprises fluorescent material is illustrated and is connected to optical fibre device interface 390, is used for providing irradiation and causes fluorescent radiation at optical sub-assembly 110.Optical fibre device interface 390 can comprise optical fiber 395, the tube 150 that is used to provide light source to make by fluorescent material with irradiation, and be used for receiving fluorescent materials emission from tube 150.Optical fibre device interface 390 can comprise locator protrusions 370, is used for engaging with snap-fit engagement (snap-fit engagement) mechanical features 170 of optical sub-assembly 110.But do not need locator protrusions 270 and mechanical features 170 that fibre 395 is aimed at optical sub-assembly 110, and outside the transmitter that comprises optical sub-assembly 110, mechanical features 170 may can not insert.Optical sub-assembly 110 in tube 150 at the position receiving optical fiber 395 that is used to cause and receive fluorescent radiation.
Not every light can make fluorescent dye and label particle such as quantum dot be converted to the fluorescence state.Described transformation occur in particular energy and only the light of some wavelength will be absorbed and launch.Other wavelength may not be absorbed and will not cause fluorescent radiation by tube 150.
Described dyestuff and label particle are missile to the wavelength (850nm) such as the optical launcher of VCSEL, and absorb ultraviolet (" UV ") and the blue wavelength light that causes fluorescent emission.Therefore, the light from optical fiber 395 transmission that is used for shining among Fig. 2 can be in the wavelength of desiring to cause at described fluorescent material fluorescent radiation.But, for example, using optical sub-assembly 110 to transmit in the normal running of communicate optical signal with Data transmission, the light that optical launcher produced may not cause the wavelength of fluorescent radiation.
But in certain embodiments, it may be useful that use is launched specific wavelength such as the optical launcher of LED.Described specific wavelength can excite described fluorescent material and cause fluorescent radiation, the described fluorescent material of internal irradiation thus, rather than provide irradiation from optical fiber 395 as shown in Figure 2.In these embodiments, active optics device 120 may comprise that ultraviolet light-emitting diode (UV LED) is to cause fluorescent radiation in described fluorescent material.
With reference now to Fig. 4,,, shows the exemplary embodiment of the proving installation 490 of the fluorescent emission (for example, having spectrum signature) that is used to receive from optics 400 according to one exemplary embodiment of the present invention.Proving installation 490 can comprise irradiation source 410, is used to provide shine optics 400 to cause fluorescent emission.Described irradiation can be transferred to 1 * 2 photo-fission device (optical splitter) 430 from irradiation source 410 by first optical fiber 420, and described photo-fission device 430 is coupled to optical fiber components 400 by second optical fiber and interface 440.
The irradiation that optics 400 receives from irradiation source 410, it causes fluorescent emission in optics 400.Described fluorescent emission receives and sends to photo-fission device 430 by described second optical fiber and interface 440.Photo-fission device 430 receives from the fluorescent emission of described second optical fiber and interface 440 and uses the 3rd optical fiber 460 with described fluorescent emission guiding spectral filter 450.
For example, spectral filter 450 can comprise long logical (long-pass) wave filter, bandpass filter or spectrometer, is used to isolate the spectrum signature of described fluorescent emission.For example, spectral filter 450 can be the long pass filter that allows the above wavelength of certain spectrum to pass through, or the special spectrum of launching about described label and the bandpass filter of making.
Output, the iridescent of label (for example spectrum signature) can be watched by user 470 as described.Based on user observed color or spectrum signature, the user can discern the feature of the subassembly of the subassembly of optics 400 or parts 400 or optics 400 or optics 400.For example, the user can discern the manufacturer of optics 400, the build date of optics 400, the manufacturing location of optics 400, the model of optics 400, the condition of work of optics 400 and/or the further feature of optics 400.
With reference now to Fig. 5,, shows the exemplary embodiment more specifically of the proving installation 590 that is used to receive fluorescent emission with particular spectral feature.Proving installation 590 can receive the fluorescent emission from OSA 500 (for example, OSA 110 as shown in fig. 1).Proving installation 590 can comprise UV LED510, is used to provide the fluorescent material that shines OSA 500.Described irradiation can send to coupling mechanism 530, and it can be coupled to OSA 500 by optical fibre device interface 540 (optical fibre device interface 390 as shown in Figure 3).
Still with reference to figure 5, the fluorescent marker material among the OSA 500 can illuminatedly cause fluorescent emission.Described fluorescent emission can comprise the spectrum signature of indication about the identification information of specific OSA 500.Described fluorescent emission can be received also and can be used for analysis of spectrum by direct light spectrometer 550 by coupling mechanism 530.Spectrometer 550 can be any optical pickup that is used to analyze the spectrum signature of the described fluorescent emission that comprises its relative color and intensity.
Controller 555 as computing machine, data processor or personal digital assistant (" PDA "), can be connected to spectrometer 550 to receive the result of described analysis of spectrum.But controller 555 can comprise actuating logic (as the executable instruction of computing machine), is used for the result of more described analysis of spectrum and the data of being stored.The data of being stored can be the data about potential spectrum signature, for example, described spectrum signature will be indicated the manufacturer of OSA 500, the build date of OSA 500, the manufacturing location of OSA 500, the model of OSA500, the condition of work of OSA 500 and/or parts or the optical module of joint OSA 500 such as the further feature of transceiver of OSA 500, OSA 500.For example, by comparative result being outputed to graphical user interface (" GUI "), display, data file or printer, controller 555 can be exported to the user with comparative result.
But in some instances, the irradiation source of OSA 500 outsides as UV LED 510, may be unnecessary.For example, when comprising the optical launcher that excites described fluorescent material and cause fluorescent radiation, OSA 500 thus as described in the internal irradiation during fluorescent material, do not need the external irradiation source, as UV LED 510 as UV LED.
As mentioned above, OSA can be the higher level system, as the part of transceiver.With reference now to Fig. 6,, two proving installations 590 and 591 can be coupled to communication node 680, and described communication node comprises transceiver 660 and main frame 670.Transceiver 660 comprises ROSA 601 that is used for receiving optical signals and the TOSA 602 that is used to launch light signal.According to the exemplary embodiment shown in Fig. 6, the two comprises the fluorescent material that is used for the emission spectrum feature TOSA602 and ROSA 601, and described spectrum signature provides the sign of relevant its specific OSA, OSA parts or out of Memory or even the identification information of relevant particular transceiver 660 or communication node 680.
Proving installation 590 and 591 is coupled to described optical sub-assembly, and one to TOSA 602 and another to ROSA 601.Each proving installation 590 and 591 comprise UV LED 510 and 511, coupling mechanism 530 and 531, spectrometer 550 and 551 and controller 555 and 556 (as, for example when with reference to figure 5, with discussed above similar).According to the embodiment shown in Fig. 6, but use test device 590 and 591 identifies the OSA that comprises fluorescent material in non-invasive mode.But described identification information also use test device 590 and 591 with simple and effective and efficient manner is exported to the user.
Though the transceiver 660 shown in Fig. 6 comprise ROSA 601 with fluorescent material and TOSA 602 the two, this transceiver 660 only illustrates an example of higher level assembly, and described higher level assembly combines the optics example with the fluorescent marker material that is used to launch the spectrum signature that sign or out of Memory are provided.According to exemplary embodiment of the present invention, transceiver 660 can be any higher level system or the parts in conjunction with the optical fiber components of any number or type.Equally, ROSA 601 and TOSA 602 can be the optical fiber components of any kind, and it will be favourable wherein using fluorescent marker to obtain to identify.
The present invention can implement with other particular form in its spirit or essential characteristic.It is illustrative and not restrictive that described embodiment only is considered in all respects.Therefore, scope of the present invention is indicated by claims rather than aforementioned specification.The meaning and the interior change of scope that belong to the equivalent of described claim will be included within its scope.

Claims (24)

1. an optical sub-assembly (" OSA ") comprising:
Optical fiber interface;
The active optics device with described optical fiber interface optical alignment, is used for the transmission of light signal; And
Optics comprises fluorescent material, is used to produce fluorescent emission, and described fluorescent emission has the predetermined spectrum signature of one or more features of the described optical sub-assembly of sign.
2. OSA as claimed in claim 1 further comprises:
Head is positioned under the described active optics device;
Tube is used to make end of cable to aim at described active optics device and be coupled;
Electrical lead is coupled to described active optics device; And
Optical package is at least partially housed in the described tube.
3. OSA as claimed in claim 2, wherein said optical package is the TO-Can optical package.
4. OSA as claimed in claim 1, wherein said optics is to be used for described active optics device being aimed at and be coupled to the tube of optical fiber cable end and to be positioned at least one of head under the described active optics device, and wherein said optics to small part is made by described fluorescent material.
5. OSA as claimed in claim 4, wherein by utilize fluorescent material apply described optics to small part and by at least one to the small part of the molded described optics of fluorescent material, described optics to small part is made by described fluorescent material.
6. OSA as claimed in claim 1, wherein said predetermined spectrum signature comprises at least two different spectrum.
7. OSA as claimed in claim 6, wherein said at least two different spectrum are launched with different light intensities.
8. OSA as claimed in claim 1, wherein said fluorescent material comprises at least one of fluorescent dye or quantum dot.
9. OSA as claimed in claim 1, wherein said fluorescent material comprise at least two kinds of dissimilar fluorescent materials, and every type fluorescent material is selected to different spectrum and produces fluorescent emission.
10. optical module as claimed in claim 9, wherein said fluorescent material comprises the fluorescent material that at least two kinds of different proportion are dissimilar, thereby produces different fluorescence intensities with different spectrum.
11. optical module as claimed in claim 1, wherein said fluorescent material comprise by at least a particle of making in cadmium sulfide (CdS), cadmium selenide (CdSe) and the cadmium telluride (CdTe).
12. OSA as claimed in claim 1, wherein said fluorescent material are the plastics fluorescent materials.
13. optical module as claimed in claim 1, wherein said fluorescent material are configured to the spectrum signature of following at least one of transmit identification:
The manufacturer of described optics;
The manufacturing location of described optics;
The year built of described optics;
The model of described optics;
The operating characteristic of described optics;
The manufacturer of described OSA;
The manufacturing location of described OSA;
The year built of described OSA;
The model of described OSA;
The operating characteristic of described OSA;
The manufacturer of described optical module;
The manufacturing location of described optical module;
The year built of described optical module;
The model of described optical module; And
The operating characteristic of described optical module.
14. a proving installation is used to receive the fluorescent emission from optics, described fluorescent emission has the predetermined spectrum signature of one or more features of the described optics of sign, and described proving installation comprises:
The optical fibre device interface is used for described proving installation is coupled to described optics;
First optical fiber is coupled to described optical fibre device interface, and wherein said first fiber configuration is for receiving the fluorescent emission with predetermined spectrum signature from described optics; And
Install, be used for discerning one or more features of described optics based on the fluorescent emission that is received.
15. as the proving installation of claim 14, wherein said recognition device is the spectral filter that is coupled to described first optical fiber, is used to receive described fluorescent emission and isolates at least a portion of fluorescent emission of one or more features of the described optics of sign.
16. as the proving installation of claim 15, wherein said spectral filter is the bandpass filter of making about the spectral limit of described predetermined spectrum signature.
17. as the proving installation of claim 15, wherein said spectral filter is the low-pass filter that is configured to isolate described predetermined spectrum signature.
18. as the proving installation of claim 15, wherein said spectral filter is to be made into the low-pass filter of isolating described predetermined spectrum signature.
19. the proving installation as claim 14 further comprises:
Irradiation source is coupled to described first optical fiber, is used to provide shine described optics, and described irradiation source is configured to provide irradiation to be selected to the spectrum that causes described fluorescent emission.
20. as the proving installation of claim 19, wherein said irradiation source is ultraviolet light-emitting diode (" UV LED ").
21. as the proving installation of claim 14, wherein said recognition device is the spectrometer that is used for described fluorescent emission is carried out analysis of spectrum.
22. the proving installation as claim 21 further comprises:
Controller is coupled to described spectrometer, is used for receiving from described spectrometer the result of described analysis of spectrum, and described controller comprises:
But actuating logic is used for the result of more described analysis of spectrum and the data of being stored, and the output comparative result is given the user.
23. as the proving installation of claim 22, wherein the Data Identification of being stored following at least one:
The manufacturer of described optics;
The manufacturing location of described optics;
The year built of described optics;
The model of described optics;
The operating characteristic of described optics;
The manufacturer that comprises the optical module of described optics;
The manufacturing location that comprises the optical module of described optics;
The year built that comprises the optical module of described optics;
The model that comprises the optical module of described optics; And
The operating characteristic that comprises the optical module of described optics.
24. a method that is used to make optical fiber components comprises:
Fluorescent material is chosen to launch predetermined spectrum signature, and described predetermined spectrum signature provides a description the identification information of described optical fiber components; And
Make described optical fiber components, comprising:
Manufacturing to small part of described optical fiber components comprised selected fluorescent material.
CNA2005101051177A 2004-09-22 2005-09-22 Methods and apparatus for optical component identification Pending CN1841103A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US61194904P 2004-09-22 2004-09-22
US60/611,949 2004-09-22
US11/085,788 2005-03-21
US11/085,434 2005-03-21

Publications (1)

Publication Number Publication Date
CN1841103A true CN1841103A (en) 2006-10-04

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNA2005101051177A Pending CN1841103A (en) 2004-09-22 2005-09-22 Methods and apparatus for optical component identification

Country Status (1)

Country Link
CN (1) CN1841103A (en)

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