CN105891954A - Quartz capillary fused biconical taper method taking carbon dioxide laser as heat source - Google Patents
Quartz capillary fused biconical taper method taking carbon dioxide laser as heat source Download PDFInfo
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- CN105891954A CN105891954A CN201610440538.3A CN201610440538A CN105891954A CN 105891954 A CN105891954 A CN 105891954A CN 201610440538 A CN201610440538 A CN 201610440538A CN 105891954 A CN105891954 A CN 105891954A
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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
- G02B6/255—Splicing of light guides, e.g. by fusion or bonding
- G02B6/2551—Splicing of light guides, e.g. by fusion or bonding using thermal methods, e.g. fusion welding by arc discharge, laser beam, plasma torch
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Abstract
The invention relates to a quartz capillary fused biconical taper method taking carbon dioxide laser as a heat source. The quartz capillary fused biconical taper method comprises the following steps: 1) preparing and fixing a capillary tube; 2) performing the fused biconical taper process; 3) dismounting the fused biconical taper capillary tube. Compared with the prior art, the quartz capillary fused biconical taper method has the following conspicuous practical characteristics and remarkable advantages: 1, the operation of stretching the capillary tube by utilizing micro gravity of a suspended article is simple and rapid, the capillary tube is not easy to break, and the equipment cost is low; 2, a stretched capillary tube of which the conical waist diameter is smaller and the length is larger can be manufactured by utilizing a suspended article gravity stretching technique; 3, the fused biconical taper capillary tube manufactured by utilizing the suspended article gravity stretching technique is better in uniformity and repeatability; 4, an initial sample needed by the suspended article gravity stretching technique is shorter, a capillary tube material can be relatively well saved, and limit on thickness of the sample is avoided.
Description
Technical field
The present invention relates to a kind of quartz capillary fused biconical taper method using carbon dioxide laser as thermal source.
Background technology
Carbon dioxide (CO2) laser processing technology is own through being successfully applied in many micro-optical device preparation process based on optical fiber processing.Such as make LPFG
, near-field scanning probe and melting cone fiber etc..Although quartz capillary inside is hollow but the most much like with optical fiber from outward appearance and size or in material, carbon dioxide (CO2) laser processing technology is equally applicable to the micro Process field of quartz capillary.The most hollow quartz capillary can be widely used in the preparation of various smooth miniflow optics, such as make it be processed into Whispering-gallery-mode circular optical microcavity and microbubble microcavity, carry out all-optical device combination again with other optical fibre device and constitute various more high sensitivity photosensors etc..
Because being limited a large amount of quartz capillary outside dimensions generally large (100-500 micron) provided on the market at present by technique, and for light microfluidic device, need thinner (less than 30 microns) quartz capillary.Need coarse wool tubule to draw to bore into fine capillary for this.The pyrometric cone capillary tube realizing thinner outside dimension (less than 30 microns) is a difficult point on current process.Yong Yang et al. has delivered the entitled High-Q of a piece, ultrathin-walled microbubble resonator for aerostatic in January, 2016 on " OPTICS EXPRESS " the 1st phase volume 24
The article of pressure sensing, proposes to utilize carbon dioxide laser to melt and draws the device of cone and produced the pyrometric cone quartz capillary that external diameter is 30 microns
.This device uses dual-beam heating means to make 2 to restraint laser beam in opposite directions to focus on horizontal positioned naked cilium tubule simultaneously, driven the fixture of fixed capillary by motor while continuous heating capillary tube, make it to two side stretchings, finally form the special Wave guide structure of bicone form in the thermal treatment zone.But by consulting literatures it appeared that: 1. this kind of CO2 laser is as in thermal source fused biconical taper method, and equipment seems more complicated；Produced pyrometric cone capillary tube is the most carefully bored waist diameter and is just reached 30 microns, and smaller szie external diameter to be made needs higher precision device, and this causes cost of manufacture the highest；2. being controlled by motor during stretching due to level, technological parameter is difficult to setting and easily causes capillary tube and fracture；3. all fixed by fixture due to capillary tube two ends, uninstall process easily snaps off pyrometric cone capillary tube.4. because of the fixing stretching of motor thus capillary tube two ends reserved part is long, waste capillary material serious.
Summary of the invention
Present invention aims to defect and the deficiency of prior art, it is provided that a kind of quartz capillary fused biconical taper method using carbon dioxide laser as thermal source.
For achieving the above object, the technical solution used in the present invention is:
A kind of quartz capillary fused biconical taper method using carbon dioxide laser as thermal source of the present invention
, operating procedure is as follows:
null1) set-up procedure of capillary tube and fixation procedure: take a segment length、External diameter and inner wall thickness are respectively greater than 3cm、50 microns and the quartz capillary of 10 microns，And 2 sleeve pipes that length is identical on the set of the two ends of described quartz capillary，One of them sleeve pipe is arranged on a three-dimensional trim holder lower end again，Another its lower end hangs a weight，Quartz capillary is made to be in the exceptionally straight state of nature，In three-dimensional trim holder leftward position, one high-frequency impulse carbon dioxide laser as thermal source is installed，In the described positive lower end of continuous impulse carbon dioxide laser, the first illuminator is installed，Bottom righthand side at described quartz capillary is provided with the second illuminator，Installing a splitting ratio between described first illuminator and the second illuminator is the beam splitter of 50/50，And by described first illuminator、Second illuminator and beam splitter are placed in the same horizontal line，3rd illuminator is installed directly over described beam splitter，By upper for described first illuminator rotation 450, described second illuminator, the 3rd illuminator and beam splitter are rotated 45 the most clockwise0, making angle of incidence and angle of reflection is all 450, a microscope is installed in described quartz capillary side, and is registered to light beam focal heat position；
2) fused biconical taper process: open high-frequency impulse carbon dioxide laser and slowly strengthen its power, simultaneously by the light beam focusing block physical change situation on microscope Real Time Observation quartz capillary, stop strengthening the power of high-frequency impulse carbon dioxide laser when focusing block starts to occur molten condition, under continuing to heating state, quartz capillary the most down stretches under the effect of hanger gravity, and self-assembling formation pyrometric cone shape draws and attenuates capillary tube；
3) pyrometric cone capillary tube uninstall process: close high-frequency impulse carbon dioxide laser after quartz capillary stops continuing to be stretched, weight is taken off gently after natural cooling, the most lightly quartz capillary and sleeve pipe are adjusted frame from three to take off, if retaining stand-by without 2 sleeve pipes on pyrometric cone capillary tube two ends during other technological requirement.
After using said structure, the present invention, compared with present technology, has and the most obviously highlights substantive distinguishing features and remarkable advantage:
1. utilizing hanger microgravity stretching simple to operate being quickly not easy of capillary tube to fracture, equipment cost is low.
2. utilize hanger gravity stretching technique can produce the drawing-down capillary tube that the cone less length of waist diameter is longer.
3. utilize pyrometric cone capillary tube uniformity that hanger gravity stretching technique produces and repeatability more preferable.
4. the shorter capillary material of more saving of initial sample needed for hanger gravity stretching technique, and do not limited by sample thickness.
5. because of under certain power condition CO2 laser to quartz capillary heating have from effect of restraint, if focus portion light splitting absorbed power declines rapidly and is automatically stopped and draws cone after pyrometric cone capillary tube draws and attenuates to a certain extent when the most persistently strengthening laser power, therefore do not worry that capillary tube is broken because attenuating rapidly.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Detailed description of the invention
The present invention is further illustrated below in conjunction with the accompanying drawings.
As it is shown in figure 1, a kind of quartz capillary fused biconical taper method using carbon dioxide laser as thermal source of the present invention, operating procedure is as follows:
null1) set-up procedure of capillary tube and fixation procedure: take a segment length、External diameter and inner wall thickness are respectively greater than 3cm、50 microns and the quartz capillary 9 of 10 microns，And 2 sleeve pipes 10 that length is identical on the set of the two ends of described quartz capillary 9，One of them sleeve pipe 10 is arranged on three-dimensional trim holder 7 lower end again，Another sleeve pipe 10 lower end hangs a weight 8，Quartz capillary 9 is made to be in the exceptionally straight state of nature，In three-dimensional trim holder 7 leftward position, one high-frequency impulse carbon dioxide laser 1 as thermal source is installed，In the described positive lower end of continuous impulse carbon dioxide laser 1, first illuminator 3 is installed，Bottom righthand side at described quartz capillary 9 is provided with the second illuminator 5，Between described first illuminator 3 and the second illuminator 5, one splitting ratio of installation is the beam splitter 4 of 50/50，And by described first illuminator 3、Second illuminator 5 and beam splitter 4 are placed in the same horizontal line，3rd illuminator 2 is installed directly over described beam splitter 4，By upper for described first illuminator 3 rotation 450, described second illuminator the 5, the 3rd illuminator 2 and beam splitter 4 are rotated 45 the most clockwise0, making angle of incidence and angle of reflection is all 450, a microscope 6 is installed in described quartz capillary 9 side, and is registered to light beam focal heat position；
2) fused biconical taper process: open high-frequency impulse carbon dioxide laser 1 and slowly strengthen its power, simultaneously by the light beam focusing block physical change situation on microscope 6 Real Time Observation quartz capillary 9, stop strengthening the power of high-frequency impulse carbon dioxide laser 1 when focusing block starts to occur molten condition, under continuing to heating state, quartz capillary 9 the most down stretches under the effect of hanger 8 gravity, and self-assembling formation pyrometric cone shape draws and attenuates capillary tube；
3) pyrometric cone capillary tube uninstall process: close high-frequency impulse carbon dioxide laser 1 after quartz capillary 9 stops continuing to be stretched, weight 8 is taken off gently after natural cooling, the most lightly quartz capillary 9 and sleeve pipe 10 are adjusted frame 7 from three to take off, if retaining stand-by without 2 sleeve pipes 10 on pyrometric cone capillary tube two ends during other technological requirement.
The invention has the beneficial effects as follows:
1. utilizing hanger microgravity stretching simple to operate being quickly not easy of capillary tube to fracture, equipment cost is low.
2. utilize hanger gravity stretching technique can produce the drawing-down capillary tube that the cone less length of waist diameter is longer.
3. utilize pyrometric cone capillary tube uniformity that hanger gravity stretching technique produces and repeatability more preferable.
4. the shorter capillary material of more saving of initial sample needed for hanger gravity stretching technique, and do not limited by sample thickness.
5. because of under certain power condition CO2 laser to quartz capillary heating have from effect of restraint, if focus portion light splitting absorbed power declines rapidly and is automatically stopped and draws cone after pyrometric cone capillary tube draws and attenuates to a certain extent when the most persistently strengthening laser power, therefore do not worry that capillary tube is broken because attenuating rapidly.
The above is only the better embodiment of the present invention, therefore all equivalence changes done according to structure, feature and the principle described in present patent application scope or modification, in the range of being all included in present patent application.
Claims (1)
1. one kind using carbon dioxide laser as the quartz capillary fused biconical taper method of thermal source, it is characterised in that: operating procedure is as follows:
null1) set-up procedure of capillary tube and fixation procedure: take a segment length、External diameter and inner wall thickness are respectively greater than 3cm、50 microns and the quartz capillary (9) of 10 microns，And 2 sleeve pipes (10) that length is identical are put at the two ends of described quartz capillary (9)，One of them sleeve pipe (10) is arranged on three-dimensional trim holder (7) lower end again，Another sleeve pipe (10) lower end hangs a weight (8)，Quartz capillary (9) is made to be in the exceptionally straight state of nature，In three-dimensional trim holder (7) leftward position, one high-frequency impulse carbon dioxide laser (1) as thermal source is installed，In the positive lower end of described continuous impulse carbon dioxide laser (1), the first illuminator (3) is installed，Bottom righthand side at described quartz capillary (9) is provided with the second illuminator (5)，Between described first illuminator (3) and the second illuminator (5), one splitting ratio of installation is the beam splitter (4) of 50/50，And by described first illuminator (3)、Second illuminator (5) and beam splitter (4) are placed in the same horizontal line，3rd illuminator (2) is installed directly over described beam splitter (4)，By rotation 45 in described first illuminator (3) counter clockwise direction0, described second illuminator (5), the 3rd illuminator (2) and beam splitter (4) are rotated 45 the most clockwise0, making angle of incidence and angle of reflection is all 450, a microscope (6) is installed in described quartz capillary (9) side, and is registered to light beam focal heat position；
2) fused biconical taper process: open high-frequency impulse carbon dioxide laser (1) and slowly strengthen its power, simultaneously by the light beam focusing block physical change situation on microscope (6) Real Time Observation quartz capillary (9), stop strengthening the power of high-frequency impulse carbon dioxide laser (1) when focusing block starts to occur molten condition, under continuing to heating state, quartz capillary (9) the most down stretches under the effect of hanger (8) gravity, and self-assembling formation pyrometric cone shape draws and attenuates capillary tube；
3) pyrometric cone capillary tube uninstall process: close high-frequency impulse carbon dioxide laser (1) after quartz capillary (9) stops continuing to be stretched, weight (8) is taken off gently after natural cooling, the most lightly quartz capillary (9) and sleeve pipe (10) are adjusted frame (7) from three to take off, if retaining stand-by without 2 sleeve pipes (10) on pyrometric cone capillary tube two ends during other technological requirement.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610440538.3A CN105891954A (en) | 2016-07-18 | 2016-07-18 | Quartz capillary fused biconical taper method taking carbon dioxide laser as heat source |
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| CN201610440538.3A CN105891954A (en) | 2016-07-18 | 2016-07-18 | Quartz capillary fused biconical taper method taking carbon dioxide laser as heat source |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109704562A (en) * | 2019-02-28 | 2019-05-03 | 浙江师范大学 | A kind of quartz capillary microvesicle production method based on arc discharge |
| CN114935417A (en) * | 2022-04-18 | 2022-08-23 | 深圳大学 | Method for preparing microbubble probe by adopting carbon dioxide laser, microbubble probe and pressure detection system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1040870A (en) * | 1989-10-19 | 1990-03-28 | 东南大学 | Fiber optic multiport coupler and manufacture method thereof |
| CN1313185A (en) * | 2000-03-15 | 2001-09-19 | 东南大学 | Tube-type heating and drawing method for plastic optical fibre |
| CN105271694A (en) * | 2015-11-26 | 2016-01-27 | 长飞光纤光缆股份有限公司 | Method and device for preparing optical fiber preform rod |
| CN105739017A (en) * | 2016-04-19 | 2016-07-06 | 安徽理工大学 | Optical fiber tapering method and apparatus thereof |
| CN205861937U (en) * | 2016-06-20 | 2017-01-04 | 浙江师范大学 | A kind of quartz capillary computer control |
-
2016
- 2016-07-18 CN CN201610440538.3A patent/CN105891954A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1040870A (en) * | 1989-10-19 | 1990-03-28 | 东南大学 | Fiber optic multiport coupler and manufacture method thereof |
| CN1313185A (en) * | 2000-03-15 | 2001-09-19 | 东南大学 | Tube-type heating and drawing method for plastic optical fibre |
| CN105271694A (en) * | 2015-11-26 | 2016-01-27 | 长飞光纤光缆股份有限公司 | Method and device for preparing optical fiber preform rod |
| CN105739017A (en) * | 2016-04-19 | 2016-07-06 | 安徽理工大学 | Optical fiber tapering method and apparatus thereof |
| CN205861937U (en) * | 2016-06-20 | 2017-01-04 | 浙江师范大学 | A kind of quartz capillary computer control |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109704562A (en) * | 2019-02-28 | 2019-05-03 | 浙江师范大学 | A kind of quartz capillary microvesicle production method based on arc discharge |
| CN114935417A (en) * | 2022-04-18 | 2022-08-23 | 深圳大学 | Method for preparing microbubble probe by adopting carbon dioxide laser, microbubble probe and pressure detection system |
| CN114935417B (en) * | 2022-04-18 | 2023-09-05 | 深圳大学 | Method for preparing microbubble probe by carbon dioxide laser, microbubble probe and pressure detection system |
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