CN102185245A - Mould manufacturing and packaging method for multi-ring optical resonant cavity based on long micro optical fiber - Google Patents
Mould manufacturing and packaging method for multi-ring optical resonant cavity based on long micro optical fiber Download PDFInfo
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- CN102185245A CN102185245A CN 201110062937 CN201110062937A CN102185245A CN 102185245 A CN102185245 A CN 102185245A CN 201110062937 CN201110062937 CN 201110062937 CN 201110062937 A CN201110062937 A CN 201110062937A CN 102185245 A CN102185245 A CN 102185245A
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Abstract
The invention provides a mould manufacturing and packaging method for a multi-ring optical resonant cavity based on a long micro optical fiber, which comprises the micro fiber-optical drawing step and is characterized in that a prefabricated mould and a surrounding device of a rotating platform are used to surround and package the micro optical fiber; in the process of the micro fiber-optical drawing, the optical fiber is placed on a translation platform; fixtures at two ends of the translation platform pass through a high-precision linear motor and are dragged and drawn under the condition of accurately heating the optical fiber to obtain the long micro optical fiber; a heater is controlled by a high-precision temperature-control chip; a measuring result of the diameter of the optical fiber in a heating zone is converted into a digital format by a high-speed digital sampling chip through a measuring probe; the high-precision linear motor controls the drawing speed to control the diameter of the optical fiber, and is connected to a main console with the temperature-control chip and the measuring probe so as to form a feedback loop; a closed loop feedback system and the long micro-optical fiber of an online diameter detection device are utilized to fix one end of the optical fiber on the rotating platform; and the mould is fixed on the rotating platform, the central shaft of the mould is vertical to the optical fiber, and the rotating platform carries out rotation and winding to manufacture the optical ringlike resonant cavity.
Description
One, technical field
The present invention relates to micro optical element, especially relate to a kind of preparation and encapsulation integral process that utilizes the fine ring resonator of low-light of nonmetal prefabricated mould.
Two, background technology
Fiber resonance cavity sensing with communicate by letter on have been widely used.Along with the fine Development of Preparation Technology of low-light, the fine resonant cavity of undersized low-light is successfully demonstrated, and wherein utilize many ring resonators of loop technique preparation because its stronger coupling, the big design and the preparation degree of freedom, the integrated level height, be easy to advantages such as encapsulation and have great application prospect, obtained very high attention rate.
The winding method of existing many ring optical ring resonant cavitys is divided into two kinds of manual coiling and rotating platform coilings.Existing rotating platform winding method is normally vertically sagging with optical fiber, the dielectric rod horizontal positioned, this method mainly contains several shortcomings: the preparation and the coiling of one low-light fibre separate, and are easy in the moving process of the low-light fibre that diameter is tiny disconnect, and greatly reduce rate of finished products; Its two because a variety of causes, dielectric rod must smoother, thereby causes easily that around surface smooth in the process optical fiber slippage has a strong impact on coupling; Its three, be easy to generate Van der Waals force between the tiny low-light fibre, in middle part knotting or with the dielectric rod part space is arranged, make the out-of-shape of ring, girth is inconsistent; Its four, encapsulation is inconvenient, need take off sheet glass of other usefulness and encapsulate, also waste material is difficult for typing.Existing in addition being used for around all thinner weak point of the optical fiber of little ring, the difficulty of coiling is bigger, and the free spectrum journey is too big, and practicality is not high. and all these shortcomings make can't realize the mass standardized production at present.
Three, summary of the invention
The present invention seeks to: provide a kind of and encircle the mold preparation of optical resonator more and encapsulate integral method, make the low-light fibre be prepared into three link pipelinings of many annular resonant cavities encapsulation based on long low-light fibre.Utilize closed loop feedback system and detect the low-light fibre to prepare overlength at linear diameter, the switching of heater and rotating platform can be avoided moving of low-light fibre, the application of the mould of special construction can convenient greatly fiber optic loop around with the control of coupling length, and can carry out the polymer encapsulated moulding quickly and easily, select different moulds can obtain different resonance frequencys simultaneously; Utilize the long thicker micron optical fiber of diameter can improve rate of finished products at last, whole design makes the mass standardized production become possibility.
Technical scheme of the present invention is: based on the mold preparation and the method for packing of many rings optical resonator of long low-light fibre, comprise the fine drawing of low-light, adopt prefabricated mould and rotating platform around device will long low-light fibre carry out around and encapsulation, the low-light fibre is that optical fiber is placed on the translation stage when drawing, the anchor clamps at translation stage two ends draw by the high accuracy linear motor and under the condition of the optical fiber of accurately heating and draw growth low-light fibre, and heater is by high-precision temperature control chip controls.
Measuring probe is converted to number format so that fast processing to the measurement result of thermal treatment zone fibre diameter via the high-speed figure sampling A, thereby the diameter of the speed control optical fiber that the control of high accuracy linear motor draws, and all be connected to supervisory control desk with temperature control chip and measuring probe and form a feedback loop, the long low-light fibre that utilizes closed loop feedback system and prepare in the linear diameter detection, the fine back optical fiber that draws of long low-light does not move, switch the heater of using when drawing, and prefabricated mould and rotating platform are inserted long low-light fibre and heater locations, avoid moving of long low-light fibre, prefabricated mould is provided with the cylindrical die of giving prominence at the bottom of the hollow, optical fiber one end is fixed on the rotating platform, described mould is fixed in the rotating platform rotation, mold center's axle is vertical with optical fiber, rotating platform rotation coiling then, make the optics ring resonator, the bottom of vertical cylindrical die is provided with the protrusion platform.Drawing long low-light fibre also comprises optical fiber is carried out stretching processing.
Prefabricated mould of the present invention, mold material is nonmetal mediums such as glass or polymer, it is outstanding to be shaped as hollow, bottom surface, such structure can prevent the optical fiber landing, it is close mutually to be convenient to little fiber optic loop, increase coupling distance, can direct forming in the time of encapsulation, economical with materials.
The present invention adopt the fine drawing device of the long low-light with real-time monitoring and reponse system with have prefabricated mould and rotating platform around packaging system; Fibre-optical drawing and realize continuous pile line operation need not mobile low-light fibre around encapsulation; The low-light fibre is wrapped in makes the optical ring resonant cavity on the nonmetal prefabricated mould, regulate resonance characteristic, utilize low refractive index polymer to encapsulate by the diameter of selecting different dielectric rod moulds.
The fine drawing device of described long low-light has real-time monitoring and reponse system, and the fine diameter of the low-light that obtains is 1～10 μ m, length 1-10cm; The thermal source of drawing optical fiber and the rotating platform of wound fiber can be used alternatingly, and need not mobile low-light fibre, and minimizing is lost.The contact position coupling of the fine interannular optical fiber of low-light, the low-light fibre is a tapered fiber, and an end of tapered fiber is the light signal input, and the other end is an output.Because the action of gravity of optical fiber and the restriction of mould bottom, tight naturally during described fibre-optical drawing, around fiber optic loop arrange in order in the mould bottom, fully close, have than the coupling distance of growing.Then wrap up fiber optic loop in one week of mold bottom corner with low refractive index polymer, polymer such as low-refraction UV glue, Teflon are adopted in its encapsulation.The protective layer moulding is coated in the outside, encapsulates, and takes out mould at last and gets final product.
The optical ring resonant cavity is the structure of a circle or multi-turn, and diameter is controlled by prefabricated mould, and effectively wave band is at several G～hundreds of GHZ.
The beneficial effect that the present invention has is: the invention provides the fine resonant cavity of a kind of low-light and encapsulate incorporate solution from the resonant cavity that is prepared into of low-light fibre; Can reduce owing to losing that mobile low-light fibre brings; Utilize special dies can better control coupling and around, and quick encapsulated moulding, economical with materials; Select different moulds can obtain different resonance frequencys; Use the long thicker low-light fibre of diameter, can improve rate of finished products; The fine knotting self-adhesion that is difficult for of thicker low-light is tightened easily; Bigger coupling length has remedied the weak deficiency of the fine coupling of thicker low-light.
Four, description of drawings
Fig. 1 device structure schematic diagram of the present invention
Fig. 2 a and Fig. 2 b are the schematic diagram of mould
Fig. 3 is the schematic diagram of rotating platform
Fig. 4 is the schematic diagram that fixedly waits two parts to combine with rotating platform successively of mould
Fig. 5 finishes for fibre-optical drawing, moves into the schematic diagram of rotating platform
Five, embodiment
Further illustrate use of the present invention below:
As shown in the figure, the present invention has designed a cover complete device and has been used for preparing and has encapsulated many ring optical resonators.Optical fiber is fixed on the translation stage or runner of Electric Machine Control with the anchor clamps two ends, supervisory control desk input relevant parameter, control system will open heater and motor is started working, and constantly adjust heating-up temperature and motor translational speed according to the feedback data that transducer is passed back, detect and reponse system can guarantee the drawing of the long low-light fibre of even thickness at linear diameter, close subsequently and remove heating source, move into rotating platform, need not mobile low-light fibre.
As Fig. 2, rotating platform central shaft 1, rotating platform and central shaft also can be two one, the rotating platform central shaft is perpendicular to optical fiber 2, prefabricated mould is enclosed within on the rotating platform and fixing, and mould hollow is used to be sleeved on the central shaft of rotating platform, also be convenient to take out after the encapsulation, the bottom is a raised face
As scheme to regulate rotating platform and make the low-light fibre at mold bottom, and an end is fixed in two ends in the microflute of rotating platform, fixture 3 before unclamping on translation stage, the other end places and send in the fine dish groove, and free sagging, action of gravity can guarantee the optical fiber tight bending of not tiing a knot constantly.The parameter of input coiling in supervisory control desk, system will control rotating platform, will be in the mould bottom all the time around low-light fibre in the process, guarantee fully coupling between many rings.
UV glue or Teflon etc. are splashed into mold bottom, solidify the back and cover resonant cavity, coat protective layer again and finish packaging protection, take out mould and get final product.The fine diameter of described low-light is 1～10 μ m.Described ring resonator, the diameter of its ring resonator is by the overall diameter decision of mould.The diameter of cylindrical die is generally about 1mm-1cm.Described mould medium generally adopts glass, polymer.Described ring resonator is a circle or a multi-turn structure.
The present invention can prepare long low-light fibre, and it is wrapped in makes the fine ring resonator of low-light on the mould, is applicable to communication and sensing.Select different moulds, can obtain different resonance frequencys.And can be packaged into device quickly and easily.
Assurance is to the accurate control of fiber lengths and diameter, the anchor clamps at optical fiber translation stage two ends (at least one end) are by the linear motor traction of high accuracy, heater is by high-precision temperature control chip controls, measuring probe is converted to number format so that fast processing to the measurement result of thermal treatment zone fibre diameter via the high-speed figure sampling A, linear motor servomechanism and temperature control chip and measuring probe all are connected to supervisory control desk and form a feedback loop, by the unified control of corresponding software in the supervisory control desk.The user only need import predetermined parameters, and software will be controlled the overall process that adds hot-stretch automatically according to corresponding algorithm.
The algorithm of drawing program mainly comprises two parts, first part is a predetermined fraction, corresponding algorithm is according to the diameter of input and the initial value of length requirement calculating and setting heter temperature and motor speed, second part is the part of feedback fine setting in real time, respective algorithms is finely tuned the speed and the heter temperature of motor according to feedback data in the process that draws, to guarantee that optical fiber is evenly level and smooth.
After the fine preparation of low-light is finished, just enter around the ring work flow, interface input mould model, the predetermined number of turns and the distance between every circle are being set, software can enter the state of a control around ring automatically, finish and shift out heater, move into rotating platform and finish a series of mechanical warming-up exercises such as aligned position, then carry out around the ring operation.The operator can observe by the monitoring image that the microscope of aiming at rotating platform mould direction is exported.
The fine drawing device of described long low-light has real-time monitoring and reponse system, and the thermal source of drawing optical fiber and the rotating platform of wound fiber can be used alternatingly, and need not mobile low-light fibre, and minimizing is lost.
Described prefabricated mould, mold material is nonmetal mediums such as glass or polymer, it is outstanding to be shaped as hollow, bottom surface, such structure can prevent the optical fiber landing, it is close mutually to be convenient to little fiber optic loop, increase coupling distance, can direct forming in the time of encapsulation, economical with materials.
Described optical ring resonant cavity is the structure of a circle or multi-turn, and diameter is controlled by prefabricated mould, and effectively wave band is at several G～hundreds of GHZ.Around the time utilize deadweight that the low-light fibre is tightened, increase coupling distance.When drawing the temperature of heater be controlled at ± 3 ℃, different materials has different heat hot temperature.
Claims (8)
1. based on the mold preparation and the method for packing of many rings optical resonator of long low-light fibre, comprise the fine drawing of low-light, adopt prefabricated mould and rotating platform around device will long low-light fibre carry out around and encapsulation, the low-light fibre is that optical fiber is placed on the translation stage when drawing, the anchor clamps at translation stage two ends draw by the high accuracy linear motor and under the condition of the optical fiber of accurately heating and draw growth low-light fibre, and heater is by high-precision temperature control chip controls;
Measuring probe is converted to number format so that fast processing to the measurement result of thermal treatment zone fibre diameter via the high-speed figure sampling A, thereby the diameter of the speed control optical fiber that the control of high accuracy linear motor draws, and all be connected to supervisory control desk with temperature control chip and measuring probe and form a feedback loop, the long low-light fibre that utilizes closed loop feedback system and prepare in the linear diameter detection, the fine back optical fiber that draws of long low-light does not move, switch the heater of using when drawing, and prefabricated mould and rotating platform are inserted long low-light fibre and heater locations, avoid moving of long low-light fibre, prefabricated mould is provided with the cylindrical die of giving prominence at the bottom of the hollow, optical fiber one end is fixed on the rotating platform, described mould is fixed in the rotating platform rotation, mold center's axle is vertical with optical fiber, and the optics ring resonator is made in rotating platform rotation coiling then.
2. mold preparation encapsulation one body method of a kind of many rings optical resonator based on long low-light fibre according to claim 1, it is characterized in that: the low-light fibre is wrapped in makes the optical ring resonant cavity on the nonmetal prefabricated mould, regulate resonance characteristic by the diameter of selecting different dielectric rod moulds, utilize low refractive index polymer to encapsulate.
3. mold preparation encapsulation one body method of the many rings optical resonator based on long low-light fibre according to claim 1, it is characterized in that: the fine drawing device of described long low-light has real-time monitoring and reponse system, the fine diameter of the low-light that obtains is 1～10 μ m, length 1-10cm draws long low-light fibre and also comprises optical fiber is carried out stretching processing.
4. mold preparation encapsulation one body method of the many rings optical resonator based on long low-light fibre according to claim 1, it is characterized in that: the thermal source of drawing optical fiber and the rotating platform of wound fiber can be used alternatingly, and need not mobile low-light fibre, and minimizing is lost.
5. mold preparation encapsulation one body method of the many rings optical resonator based on long low-light fibre according to claim 1, it is characterized in that: described prefabricated cylindrical die, mold material is nonmetal mediums such as glass or polymer, is shaped as hollow, the cylindrical die bottom surface is provided with outstanding platform.
6. mold preparation encapsulation one body method of the many rings optical resonator based on long low-light fibre according to claim 1, it is characterized in that: described optical ring resonant cavity is the structure of a circle or multi-turn, diameter is controlled by prefabricated mould, and effectively wave band is at several G～hundreds of GHZ.
7. mold preparation encapsulation one body method of the many rings optical resonator based on long low-light fibre according to claim 1, it is characterized in that: polymer such as low-refraction UV glue, Teflon are adopted in its encapsulation.
8. mold preparation encapsulation one body method of the many rings optical resonator based on long low-light fibre according to claim 1 is characterized in that: around the time utilize deadweight that the low-light fibre is tightened, increase coupling distance.
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| CN2011100629378A CN102185245B (en) | 2011-03-16 | 2011-03-16 | Mould manufacturing and packaging method for multi-ring optical resonant cavity based on long micro optical fiber |
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| CN2011100629378A CN102185245B (en) | 2011-03-16 | 2011-03-16 | Mould manufacturing and packaging method for multi-ring optical resonant cavity based on long micro optical fiber |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104181387A (en) * | 2014-09-01 | 2014-12-03 | 中国科学院电子学研究所 | Device and system for testing spectral characteristic of intermediate cavity of klystron |
| CN112675304A (en) * | 2021-01-13 | 2021-04-20 | 北京工业大学 | Endogenous photothermal therapy device system with micro-nano quantum dots and preparation method thereof |
| CN114034294A (en) * | 2021-09-30 | 2022-02-11 | 苏州光环科技有限公司 | Optical fiber ring packaging hardware |
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| JPH04104202A (en) * | 1990-08-24 | 1992-04-06 | Fujitsu Ltd | Packaging structure of optical submarine repeater having optical fiber amplifier |
| US5864644A (en) * | 1997-07-21 | 1999-01-26 | Lucent Technologies Inc. | Tapered fiber bundles for coupling light into and out of cladding-pumped fiber devices |
| CN1426975A (en) * | 2001-12-13 | 2003-07-02 | 株式会社藤仓 | Optical fibre drawing mould and controlling method thereof |
| CN1428618A (en) * | 2001-12-04 | 2003-07-09 | 松下电器产业株式会社 | Optical enclosed chip, optical device, optical module and method for moulded optical enclosed chip |
| CN2909639Y (en) * | 2006-05-17 | 2007-06-06 | 浙江大学 | Micro-fibre-optical ring-shaped laser |
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2011
- 2011-03-16 CN CN2011100629378A patent/CN102185245B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04104202A (en) * | 1990-08-24 | 1992-04-06 | Fujitsu Ltd | Packaging structure of optical submarine repeater having optical fiber amplifier |
| US5864644A (en) * | 1997-07-21 | 1999-01-26 | Lucent Technologies Inc. | Tapered fiber bundles for coupling light into and out of cladding-pumped fiber devices |
| CN1428618A (en) * | 2001-12-04 | 2003-07-09 | 松下电器产业株式会社 | Optical enclosed chip, optical device, optical module and method for moulded optical enclosed chip |
| CN1426975A (en) * | 2001-12-13 | 2003-07-02 | 株式会社藤仓 | Optical fibre drawing mould and controlling method thereof |
| CN2909639Y (en) * | 2006-05-17 | 2007-06-06 | 浙江大学 | Micro-fibre-optical ring-shaped laser |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104181387A (en) * | 2014-09-01 | 2014-12-03 | 中国科学院电子学研究所 | Device and system for testing spectral characteristic of intermediate cavity of klystron |
| CN112675304A (en) * | 2021-01-13 | 2021-04-20 | 北京工业大学 | Endogenous photothermal therapy device system with micro-nano quantum dots and preparation method thereof |
| CN114034294A (en) * | 2021-09-30 | 2022-02-11 | 苏州光环科技有限公司 | Optical fiber ring packaging hardware |
| CN114034294B (en) * | 2021-09-30 | 2022-10-11 | 苏州光环科技有限公司 | Optical fiber ring packaging hardware |
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| CN102185245B (en) | 2012-07-25 |
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