CN107991733A - Metal capillary germanium dioxide dielectric film mid and far infrared hollow-core fiber and preparation - Google Patents
Metal capillary germanium dioxide dielectric film mid and far infrared hollow-core fiber and preparation Download PDFInfo
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- CN107991733A CN107991733A CN201610968602.5A CN201610968602A CN107991733A CN 107991733 A CN107991733 A CN 107991733A CN 201610968602 A CN201610968602 A CN 201610968602A CN 107991733 A CN107991733 A CN 107991733A
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- metal capillary
- germanium dioxide
- dielectric film
- far infrared
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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
- G02B6/02—Optical fibres with cladding with or without a coating
- G02B6/02295—Microstructured optical fibre
- G02B6/02314—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes
- G02B6/02319—Plurality of longitudinal structures extending along optical fibre axis, e.g. holes characterised by core or core-cladding interface features
- G02B6/02323—Core having lower refractive index than cladding, e.g. photonic band gap guiding
- G02B6/02328—Hollow or gas filled core
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Abstract
The invention discloses a kind of preparation method of metal capillary/germanium dioxide dielectric film mid and far infrared hollow-core fiber, including：The alkaline aqueous solution of germanium dioxide is prepared, and uses acid for adjusting pH value；Solution is injected in metal capillary, closes the both ends of metal capillary, is placed on stent and keeps slowly rotating, in metal capillary liquid deposition prepare germanium dioxide dielectric film；The closure for removing metal capillary both ends pours out solution；The nitrogen or air of cleaning are blown into metal capillary at room temperature, the nitrogen or air of cleaning are continually fed into during dry；Metal capillary/germanium dioxide dielectric film mid and far infrared hollow-core fiber is obtained after terminating drying.The invention also discloses a kind of metal capillary/germanium dioxide dielectric film mid and far infrared hollow-core fiber.Mid and far infrared hollow-core fiber proposed by the invention is using metal capillary as agent structure, good toughness, high mechanical strength, and low loss window position changes with the thickness of germanium oxide deielectric-coating.
Description
Technical field
The present invention relates to photoelectron material and devices field, more particularly to a kind of metal capillary germanium dioxide dielectric film
Mid and far infrared hollow-core fiber and preparation method.
Background technology
Infrared light includes near infrared light (0.75~2.5 μm of wavelength), mid-infrared light (2.5~25 μm of wavelength) and far red light
(25~300 μm of wavelength).Since the energy of mid-infrared light and far red light photon is respectively with the fundamental vibration of molecule and rotating phase
Corresponding, it has important application in the field such as analysis of the molecular structure and the research and development of mid and far infrared gas laser.Mid and far infrared
Luminous energy excitation low-gap semiconductor produces photoelectric current, is the basis of infrared night vision and space remote sensing technology.In recent years, Terahertz
The rise of (electromagnetic wave of the frequency in 0.1~10THz, 3000~30 μ m of wavelength) technology, it is new to impart far-infrared technique
Opportunity to develop and historic mission.Mid-infrared and far-infrared light in basic fields such as physics, chemistry, astronomy, life sciences except having
Outside great scientific research value, short-distance wireless communication, satellite communication, medical imaging, environmental monitoring, radio day indoors
The Applied research fields such as text and military radar also have broad prospect of application.Due to lacking effective mid and far infrared (especially 20-
1000 μm) waveguide transmission technology, current most of electro-optical systems can only all handle mid and far infrared light wave in free space.These
System occupied space is big, power consumption is high, it is affected by environment it is big, stability is poor, using calibrating, difficulty is big, seriously limit
It is applied and promotes.Effective mid and far infrared waveguide transmission means are studied, has become and builds multi-functional, high reliability, low energy
The key of consumption, easy to operate, easy care and portable new " flexibility " photoelectric device.
There has been proposed the various optical fiber structures of transmission mid-infrared and far-infrared light, including metal waveguide, glass or plastics in recent years
Capillary/the coat of metal/dielectric film hollow wave guide, plastics or silicon medium hollow micro-structure band gap waveguide and plastic medium are real
Core, porous or hollow tube waveguide.These waveguides have complicated, it is difficult to prepared by regulation and control；Some materials are glass or plastics, no
Easily it is fastenedly connected with mid and far infrared light source or detector, stability of focusing in use is poor.For these reasons, how to develop
Structure is simpler, preparation process is easier, compatible preferably mid and far infrared optical fiber structure is connected with light source or detector still
It is one of hot issue that the field is paid close attention to the most both at home and abroad.
In order to overcome these defects of the prior art, the present invention 10.6 μm of CO of research transmission before this seminar2Swash
On the basis of light mid-infrared light fibre, it is proposed that a kind of also to obtain low-loss in the range of mid-infrared and far-infrared light of the wavelength more than 20 μm
The metal capillary of window/germanium dioxide dielectric film hollow-core fiber and preparation method thereof.The optical fiber includes metal capillary structure
Germanium dioxide electrolyte reflectance coating on pipe and its inner surface.In traditional metal/dielectric film mid and far infrared (Terahertz) light
In fine structure, usually using glass or plastic capillary as structural tube, then prepared on pipe internal surface by silver mirror reaction
Metal silverskin reflecting layer, finally forms the polymeric dielectrics such as polystyrene, makrolon, polytetrafluoroethylene (PTFE) on silverskin surface again
Reflectance coating.In the present invention traditional glass or plastic construction pipe are replaced using metal capillary, at the same it is interior with metal capillary
Surface directly replaces conventional metals silvered reflective film, and structure is simpler.With germanium dioxide (1115 DEG C) dielectric of fusing point higher
Film replaces polymeric dielectric film mid and far infrared optical fiber is had higher Energy Damage threshold values, available for high-power mid and far infrared
The transmission of light wave.
The content of the invention
The present invention proposes a kind of preparation side of metal capillary/germanium dioxide dielectric film mid and far infrared hollow-core fiber
Method, includes the following steps：
Step 1：Prepare the alkaline aqueous solution of germanium dioxide, and with the alkaline aqueous solution of the acid adjusting germanium dioxide
PH value is to 1-3；
Step 2：By in the alkaline aqueous solution injection metal capillary of the germanium dioxide, the metal capillary is closed
Both ends, be disposed horizontally on stent and keep slowly rotation, rotating speed is 0.1-1 per minute turn, in the metal capillary
Interior liquid deposition prepares germanium dioxide dielectric film；The closure at the metal capillary both ends was removed after 5-8 days, pours out institute
State the alkaline aqueous solution of germanium dioxide；
Step 3：The nitrogen or air of cleaning are blown into the metal capillary at room temperature, flow 60ml per minute, holds
The continuous 60 minutes time；It is 60 minutes dry at 100 DEG C again, the nitrogen or air of cleaning, every point of flow are continually fed into during dry
Clock 10ml；
Step 4：Terminate drying, obtain metal capillary/germanium dioxide dielectric film mid and far infrared hollow-core fiber.
The preparation method of the metal capillary proposed by the present invention/germanium dioxide dielectric film mid and far infrared hollow-core fiber
In, repeat step 1 to step 2 before step 3 to increase the thickness of germanium dioxide dielectric film.
The preparation method of the metal capillary proposed by the present invention/germanium dioxide dielectric film mid and far infrared hollow-core fiber
In, the percent concentration of germanium dioxide is 3-7% in the alkaline aqueous solution of the germanium dioxide.
The preparation method of the metal capillary proposed by the present invention/germanium dioxide dielectric film mid and far infrared hollow-core fiber
In, it is characterised in that the metal capillary is cleaned, includes the following steps：
Step a：Ethanol or acetone, flow 5ml per minute, 30 minutes duration are passed through into the metal capillary；
Step b：Deionized water, flow 10ml per minute, 30 minutes duration are passed through into the metal capillary；
Step c：The nitrogen or air of cleaning, flow 60ml per minute, duration are blown into the metal capillary
30 minutes.
The present invention proposes a kind of metal capillary made of preparation method/germanium dioxide dielectric film mid and far infrared
Hollow-core fiber, it is characterised in that there is the germanium dioxide dielectric film, the low-loss of hollow-core fiber in the metal capillary
The window's position can be adjusted by varying the thickness of germanium oxide deielectric-coating, be more than so as to transmission wavelength remote red in 20 μm
Outer light.
The beneficial effects of the present invention are：Hollow-core fiber in the present invention, can be more than 20 μm of mid-infrared and far-infrared light in wavelength
In the range of also obtain low loss window.Traditional glass or plastic construction pipe are replaced using metal capillary in the present invention, at the same time
The inner surface of metal capillary directly replaces conventional metals silvered reflective film, and structure is simpler.The good heat conduction of metal structure pipe
Good heat resistance makes proposed mid and far infrared optical fiber also with heat dissipation performance and germanium dioxide inorganic dielectric membrane material
Potentiality with transmission high power mid and far infrared light wave.Mid and far infrared hollow-core fiber proposed by the invention with metal capillary
For agent structure, good toughness, high mechanical strength, can pass through welding or the screw thread opened on the outer surface of metal capillary one end
Silk mouth is consolidated with the associated metal component of mid and far infrared optical generator and detector to be connected, and improves equipment reliability of operation.
Brief description of the drawings
Fig. 1 is the structure diagram of metal capillary of the present invention/germanium dioxide dielectric film mid and far infrared hollow-core fiber.
Fig. 2 is the loss of nickel chromium triangle capillary of the present invention/germanium dioxide dielectric film mid and far infrared hollow-core fiber in embodiment 1
Spectrum.
Fig. 3 is the damage of stainless steel capillary of the present invention/germanium dioxide dielectric film mid and far infrared hollow-core fiber in embodiment 2
Consumption spectrum.
Embodiment
With reference to specific examples below and attached drawing, the present invention is described in further detail.The process of the implementation present invention,
Condition, experimental method etc., in addition to the following content specially referred to, are among the general principles and common general knowledge in the art, this hair
It is bright that content is not particularly limited.
As shown in Figure 1, metal capillary/germanium dioxide dielectric film mid and far infrared hollow-core fiber of the present invention is used for realization
The optical fiber transmission of mid and far infrared light wave, metal capillary/germanium dioxide dielectric film mid and far infrared hollow-core fiber include metal kernel
Tubule 1, dielectric reflectance coating 2 and hollow area 3.Metal capillary 1 forms the agent structure of mid and far infrared hollow-core fiber, titanium dioxide
Germanium dielectric reflectance coating 2 is covered on the inner wall of metal capillary 1, and hollow area 3 is that reflectance coating 2 encloses in metal capillary 1
Into space.Mid and far infrared light wave is in metal capillary 1 and germanium dioxide dielectric reflectance coating 2 and the interface with hollow area 3
It is upper to form reflection, transmitted using the air inside hollow area 3 or nitrogen as media implementation optical fiber.
Wherein, metal capillary 1 mainly includes stainless steel capillary, nickel capillary, nickel chromium triangle capillary, copper capillary tube, aluminium
Capillary, titanium capillary.Capillary 1 made of metal and identical or approximate geometry size traditional glass or plastic capillary phase
Than with higher fracture toughness and heat dissipation performance.Dielectric reflectance coating 2 is germanium dioxide reflectance coating.
The present invention makes metal capillary/germanium dioxide dielectric film mid and far infrared hollow light using room temperature liquid phase deposition
In fine method, the metal capillary 1 that uses can be stainless steel capillary, nickel capillary, nickel chromium triangle capillary, copper capillary tube,
Aluminium capillary, titanium capillary, based on metal material mechanical strength, bent toughness, mid and far infrared light wave transmission loss and preparation
Technological requirement design determines the hollow diameter of metal capillary at 1-5 millimeters, 20-200 microns of wall thickness, and 10-200 centimetres of length is
It is good.
Cleaning in the present invention to metal capillary includes three steps and corresponding process parameters：
Step a：Ethanol or acetone, flow 5ml per minute, 30 minutes duration are passed through into metal capillary
Step b：Deionized water, flow 10ml per minute, 30 minutes duration are passed through into metal capillary
Step c：The nitrogen or air of cleaning, flow 60ml per minute are blown into metal capillary, the duration 30 divides
Clock
In the present invention prepared by metal capillary/germanium dioxide dielectric film mid and far infrared hollow-core fiber to include following three steps
Rapid and corresponding process parameters：
Step 1：The alkaline aqueous solution of germanium dioxide is prepared, alkali includes ammonium hydroxide, sodium hydroxide or potassium hydroxide, titanium dioxide
The weight percent concentration 3-7% of germanium, the pH value of alkaline aqueous solution of germanium dioxide is adjusted with acid to 1-3.
Step 2：The alkaline aqueous solution of germanium dioxide is filled to the metal capillary cleaned, closed at both ends, level will be managed
It is placed on a stent and keeps slowly rotation, rotating speed turns for 0.1-1 per minute, and two end seal of metal capillary is removed after 5-8 days
Thing is closed, pours out solution.
Step 3：The nitrogen or air of cleaning, flow 60ml per minute are blown into pipe at room temperature, the duration 60 divides
Clock.Then it is 60 minutes dry at 100 degree, the nitrogen or air of cleaning, flow 10ml per minute are continually fed into therebetween.
By repeat step one to two, the thickness of germanium dioxide dielectric film with different-thickness can be prepared, to adjust
The position of optical fiber low loss window, realizes the mid and far infrared light wave of transmission different wave length.
Embodiment 1
This specific embodiment selects 1 millimeter of interior diameter, 50 microns of wall thickness, and the nickel chromium triangle capillary of 1.5 meters of length makees optical fiber
Agent structure.After cleaning nickel chromium triangle capillary with second alcohol and water successively, by the germanic acid radical ion of mass percent containing germanium dioxide 7%
Aqueous solution is lain in a horizontal plane in after both ends open is sealed with thermoplastic tube with filling nickel chromium triangle capillary after sulphur acid for adjusting pH value to 2
On swinging mounting.
Deposition is poured out in (about 20 degrees Celsius) nickel chromium triangle capillary liquid deposition under 0.1 rev/min of rotating speed at room temperature after 6 days
Liquid.
Pure air or nitrogen stream, flow 60ml per minute, duration 60 are passed through into post-depositional nickel chromium triangle capillary
Minute.Then it is 60 minutes dry at 100 degree, the nitrogen of cleaning is continually fed into therebetween, and flow 10ml per minute, obtains nickel chromium triangle capillary
Pipe/germanium dioxide dielectric film mid and far infrared hollow-core fiber.The thickness of prepared optical fiber germanium dioxide dielectric film is about 5 micro-
Rice, predicts that its loss spectra (1.4 degree of angles of divergence) is as shown in Figure 2 according to ray model.Its mid-infrared and far-infrared light (about 27-40 μm, 7-
There are two narrow decay total reflection low loss windows in the range of 11THz), at mid-infrared and far-infrared light (about 40-200 μm, 1.5-7THz)
Scope has a wider leakage hollow wave guide low loss window, and the loss of these low loss windows is in 0.25~0.56dB/m.
Embodiment 2
This specific embodiment selects 2 millimeters of interior diameter, and 100 microns of wall thickness, the stainless steel capillary that 1 meter of length makees optical fiber
Agent structure.After cleaning stainless steel capillary with second alcohol and water successively, by the germanic acid root of mass percent containing germanium dioxide 6% from
Both ends open is sealed rear level with thermoplastic tube and is put with filling stainless steel capillary after sulphur acid for adjusting pH value to 2 by sub- aqueous solution
Put on swinging mounting.
Stainless steel capillary after room temperature liquid deposition 7 days, is poured out deposition liquid, is filled again under 0.3 rpm of rotating speed
Enter mass percent containing germanium dioxide 6%, the secondary liquid deposition of germanic acid radical ion aqueous solution progress that pH value is 2, poured out after 7 days
Deposit liquid.
Clean nitrogen stream, flow 60ml per minute, 60 minutes duration are passed through into post-depositional stainless steel capillary.
Then it is 60 minutes dry at 100 degree, be continually fed into the air of cleaning therebetween, flow 10ml per minute, obtain stainless steel capillary/
Germanium dioxide dielectric film mid and far infrared hollow-core fiber.The thickness of prepared optical fiber germanium dioxide dielectric film is about 10 micro-
Rice, predicts that its loss spectra (4 degree of angles of divergence) is as shown in Figure 3 according to ray model.Its mid-infrared and far-infrared light (about 27-40 μm, 7-
There are two narrow decay total reflection low loss windows in the range of 11THz), at mid-infrared and far-infrared light (about 40-200 μm, 1.5-7THz)
Scope has two sseparated leak type hollow wave guide low loss windows, and the loss of these low loss windows is in 0.29~0.58dB/
m。
The protection content of the present invention is not limited to above example.Without departing from the spirit and scope of the invention, originally
Field technology personnel it is conceivable that change and advantage be all included in the present invention, and using appended claims as protect
Protect scope.
Claims (6)
- A kind of 1. preparation method of metal capillary/germanium dioxide dielectric film mid and far infrared hollow-core fiber, it is characterised in that bag Include following steps：Step 1：Prepare the alkaline aqueous solution of germanium dioxide, and the pH value of the alkaline aqueous solution with the acid adjusting germanium dioxide To 1-3；Step 2：By in the alkaline aqueous solution injection metal capillary of the germanium dioxide, the two of the metal capillary is closed End, is disposed horizontally on stent and keeps slowly rotation, rotating speed turns for 0.1-1 per minute, the liquid in the metal capillary Phase deposition prepares germanium dioxide dielectric film；The closure at the metal capillary both ends was removed after 5-8 days, pours out described two The alkaline aqueous solution of germanium oxide；Step 3：The nitrogen or air of cleaning, flow 60ml per minute, when continuing are blown into the metal capillary at room temperature Between 60 minutes；It is 60 minutes dry at 100 DEG C again, the nitrogen or air of cleaning are continually fed into during dry, flow is per minute 10ml；Step 4：Terminate drying, obtain metal capillary/germanium dioxide dielectric film mid and far infrared hollow-core fiber.
- 2. the preparation method of metal capillary as claimed in claim 1/germanium dioxide dielectric film mid and far infrared hollow-core fiber, It is characterized in that, repeat step 1 to step 2 before step 3 to increase the thickness of germanium dioxide dielectric film.
- 3. the preparation method of metal capillary as claimed in claim 1/germanium dioxide dielectric film mid and far infrared hollow-core fiber, The percent concentration of germanium dioxide is 3-7% in the alkaline aqueous solution of the germanium dioxide.
- 4. the preparation method of metal capillary as claimed in claim 1/germanium dioxide dielectric film mid and far infrared hollow-core fiber, It is characterized in that, the metal capillary is cleaned, include the following steps：Step a：Ethanol or acetone, flow 5ml per minute, 30 minutes duration are passed through into the metal capillary；Step b：Deionized water, flow 10ml per minute, 30 minutes duration are passed through into the metal capillary；Step c：The nitrogen or air of cleaning, flow 60ml per minute are blown into the metal capillary, the duration 30 divides Clock.
- 5. one kind metal capillary/germanium dioxide dielectric as made of any one of them preparation method of Claims 1-4 Film mid and far infrared hollow-core fiber, it is characterised in that there is the germanium dioxide dielectric film in the metal capillary.
- 6. metal capillary as claimed in claim 5/germanium dioxide dielectric film mid and far infrared hollow-core fiber, its feature exist In the low loss window position of the mid and far infrared hollow-core fiber changes with the thickness of the germanium dioxide dielectric film.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610968602.5A CN107991733A (en) | 2016-10-27 | 2016-10-27 | Metal capillary germanium dioxide dielectric film mid and far infrared hollow-core fiber and preparation |
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|---|---|---|---|
| CN201610968602.5A CN107991733A (en) | 2016-10-27 | 2016-10-27 | Metal capillary germanium dioxide dielectric film mid and far infrared hollow-core fiber and preparation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109669232A (en) * | 2019-01-17 | 2019-04-23 | 上海大学 | Single crystal semiconductor core fibre and preparation method thereof |
| CN113376732A (en) * | 2021-05-19 | 2021-09-10 | 复旦大学 | Intermediate infrared hollow waveguide and manufacturing method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101117708A (en) * | 2006-07-31 | 2008-02-06 | 敬承斌 | Liquid deposition preparing method for germanium dioxide material |
| CN102173599A (en) * | 2010-12-17 | 2011-09-07 | 敬承斌 | Acid induction liquid phase deposition preparation method for germanium dioxide hollow-core optical wave guide |
| CN103592719A (en) * | 2013-10-23 | 2014-02-19 | 华东师范大学 | Manufacturing method of metal capillary attenuated total reflection infrared hollow optical fiber and optical fiber obtained through the manufacturing method |
| CN203551832U (en) * | 2013-10-23 | 2014-04-16 | 华东师范大学 | A metallic capillary attenuated total reflection infrared hollow-core fiber |
-
2016
- 2016-10-27 CN CN201610968602.5A patent/CN107991733A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101117708A (en) * | 2006-07-31 | 2008-02-06 | 敬承斌 | Liquid deposition preparing method for germanium dioxide material |
| CN102173599A (en) * | 2010-12-17 | 2011-09-07 | 敬承斌 | Acid induction liquid phase deposition preparation method for germanium dioxide hollow-core optical wave guide |
| CN103592719A (en) * | 2013-10-23 | 2014-02-19 | 华东师范大学 | Manufacturing method of metal capillary attenuated total reflection infrared hollow optical fiber and optical fiber obtained through the manufacturing method |
| CN203551832U (en) * | 2013-10-23 | 2014-04-16 | 华东师范大学 | A metallic capillary attenuated total reflection infrared hollow-core fiber |
Non-Patent Citations (3)
| Title |
|---|
| 侯峙云: "新型中红外空芯光纤的制备及其性能和应用研究", 《中国博士学位论文全文数据库 信息科技辑》 * |
| 李毅 等: "酸诱导液相沉积法制备二氧化锗基空芯光波导", 《青岛科技大学学报（自然科学版）》 * |
| 郭洪等: "全反射氧化锗空芯光纤弹性弯曲半径的计算与验证", 《光电子· 激光》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109669232A (en) * | 2019-01-17 | 2019-04-23 | 上海大学 | Single crystal semiconductor core fibre and preparation method thereof |
| CN109669232B (en) * | 2019-01-17 | 2021-01-12 | 上海大学 | Single crystal semiconductor core optical fiber and method for manufacturing the same |
| CN113376732A (en) * | 2021-05-19 | 2021-09-10 | 复旦大学 | Intermediate infrared hollow waveguide and manufacturing method thereof |
| CN113376732B (en) * | 2021-05-19 | 2023-02-24 | 复旦大学 | Intermediate infrared hollow waveguide and manufacturing method thereof |
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Application publication date: 20180504 |