CN112230334B - Optical waveguide composite material and manufacturing method thereof - Google Patents
Optical waveguide composite material and manufacturing method thereof Download PDFInfo
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- CN112230334B CN112230334B CN202011269254.5A CN202011269254A CN112230334B CN 112230334 B CN112230334 B CN 112230334B CN 202011269254 A CN202011269254 A CN 202011269254A CN 112230334 B CN112230334 B CN 112230334B
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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
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
- B29C70/70—Completely encapsulating inserts
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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
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
- G02B2006/12035—Materials
- G02B2006/12045—Lithium tantalate (LiTaO3)
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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
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
- G02B2006/12166—Manufacturing methods
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Abstract
The invention discloses an optical waveguide composite material, which is prepared from an optical waveguide material by adopting an implantation method; the invention also discloses a method for manufacturing the optical waveguide composite material, which comprises the following steps: a first step: implanting optical waveguide material, the second process: and (3) forming and curing the composite material, wherein the third process comprises the following steps: and (5) processing the structure. The optical waveguide composite material has good optical waveguide performance, and simultaneously has sufficient mechanical performance and electrical insulation performance, thereby not only meeting the requirement of optical wave transmission, but also meeting the external insulation safety in a working electric field; the manufacturing method is simple, and the waveguide optical wave band is widened by using different monocrystal optical waveguide functional materials, so that the working voltage, the wave band and other properties are improved, and different application requirements are met.
Description
Technical Field
The invention belongs to the technical field of optical waveguide materials, and particularly relates to an optical waveguide composite material and a manufacturing method thereof.
Background
The optical waveguide composite material is a multifunctional composite material formed by carrying out secondary compounding on an optical waveguide material and other materials. Optical waveguide materials are functional materials composed of an optically transparent medium to transmit electromagnetic waves at optical frequencies, and are classified into organic polymer films (also referred to as film waveguides) and inorganic optical crystals (such as quartz glass) from the viewpoint of material structure. The common optical waveguide material has a perovskite crystal structure, is a crystal material with a very large electro-optic effect and a refractive index which changes along with the change of an applied electric field, and has an optical waveguide effect of obtaining higher degree of freedom and higher performance at a certain working voltage level.
However, with the increase of voltage class, the requirements for the insulation safety of equipment operation and the mechanical properties of materials also correspondingly generate higher requirements, and meanwhile, with the increase of voltage class, the electro-optic coefficient, the dielectric constant and the like also change, so that it is difficult to realize independent change to enable the materials to have excellent optical waveguide effect, and the insulation safety of equipment operation is not affected. Therefore, it is necessary to develop an optical waveguide composite material having good optical waveguide performance and having sufficient mechanical and electrical insulating properties.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide an optical waveguide composite material, aiming at the above-mentioned deficiencies of the prior art. The optical waveguide composite material has good optical waveguide performance, and simultaneously has sufficient mechanical performance and electrical insulation performance, thereby not only meeting the requirement of optical wave transmission, but also meeting the external insulation safety in a working electric field.
In order to solve the technical problems, the invention adopts the technical scheme that: an optical waveguide composite material is characterized in that the optical waveguide composite material is prepared by adopting an implantation method.
In addition, the invention also provides a method for manufacturing the optical waveguide composite material, which is characterized by comprising the following steps: a first step: implanting an optical waveguide material, wherein the second process comprises the following steps: and (3) forming and curing the composite material, wherein the third process comprises the following steps: and (5) processing the structure.
The method as described above, characterized in that it comprises the following steps:
step one, uniformly coating an epoxy/anhydride system adhesive on the surface of a mould for a winding pipe, and then performing pre-curing to form a semi-gel first gel coat layer; the diameter of the mould for the winding pipe is 210mm, and the length of the mould is 1380 mm; the thickness of the coating is 0.8 mm-1.0 mm; the temperature of the pre-curing is 120 ℃, and the time is 10 min;
cutting a crystal optical waveguide material consisting of ridge type KTaO3(KT) into blocks, and then flatly paving the blocks on the surface of the first gel coat layer formed in the step one to form an optical waveguide functional structure layer;
step three, uniformly coating an epoxy/anhydride system adhesive on the surface of the optical waveguide functional structure layer formed in the step two, and then performing pre-curing to form a semi-gel second gel coat layer; the thickness of the coating is 0.5 mm-0.8 mm; the temperature of the pre-curing is 100 ℃, and the time is 10 min;
step four, adopting glass fiber to perform annular and longitudinal cross winding on the surface of the second gel coat layer formed in the step three to obtain an optical waveguide composite material pipe winding blank; the glass fiber is ECR1200Tex glass yarn for electricians; the outer diameter of the optical waveguide composite pipe winding blank is 218 mm;
Step five, carrying out vacuum pumping, heating and curing on the optical waveguide composite material pipe winding blank obtained in the step four by adopting a vacuum bag forming method, carrying out outer surface processing and demolding after cooling, and cutting and removing the optical waveguide composite material pipe winding blank along the self-adhesive tape protected by the end sealing by adopting a diamond water saw to obtain an optical waveguide composite material; the heating and curing process comprises the following steps: the temperature was first maintained at 120 ℃ for 2h and then at 155 ℃ for 3 h.
The optical waveguide material is a structure in which a substance having a large refractive index is surrounded by a substance having a smaller refractive index, and can provide a performance of confining light in the vicinity of a high refractive index range and propagating light. The application arranges epoxy/anhydride system adhesive, crystal optical waveguide material composed of ridge KTaO3(KT), epoxy/anhydride system adhesive and glass fiber on the surface of a mould in sequence through coating, paving and winding to prepare an optical waveguide composite material pipe winding blank, then carries out vacuum pumping, heating and curing to finally obtain the optical waveguide composite material, and simultaneously controls the coating of the first gel coat layer and the second gel coat layer, thereby not only ensuring the bonding firmness degree of each gel coat layer in the subsequent optical waveguide composite process, but also not destroying the organization structure of the optical waveguide material to influence the transmission of the composite material to optical frequency electromagnetic waves, ensuring that the light transmittance of gel coat condensate formed by precuring the epoxy/anhydride system adhesive reaches 90 percent, effectively realizing that the light waves penetrate into the crystal optical waveguide material composed of ridge KTaO3(KT), and realizing the light wave transmission by utilizing the optical waveguide of the KTaO3 (KTaO) crystal material, the glass fiber wound on the outer surface of the crystal optical waveguide material effectively realizes the external insulation safety of the optical waveguide composite material in the working under an electric field, and the optical waveguide composite material is endowed with a stable structure and proper mechanical strength through the design of the annular and longitudinal winding layers, thereby meeting the actual use requirements.
The method is characterized in that in the second step, the crystal optical waveguide material consisting of the ridge type KTaO3(KT) is cut into a rectangle with the width of 685mm, the thickness of 2mm and the length of 1200 mm; after the crystal optical waveguide material consisting of ridge type KTaO3(KT) is cut and tiled, a self-adhesive tape with the width of 10mm is adopted to carry out end-capping protection along the width direction of the tiled block. The optimized technology realizes the protection of the optical waveguide composite material functional structure layer.
The method as described above, characterized in that it comprises the following steps:
paving an epoxy resin film on the surface of a laminated board die to form a first epoxy resin film layer;
step two, paving a honeycomb-shaped optical waveguide material on the first epoxy resin film layer formed in the step one;
step three, paving an epoxy resin film on the surface of the honeycomb-shaped optical waveguide material in the step two to form a second epoxy resin film layer;
fourthly, paving epoxy resin glass cloth prepreg on the second epoxy resin film layer formed in the third step to form a prepreg layer, and obtaining a laminated board paving material; the thickness of the epoxy resin glass cloth prepreg is 0.16mm, the mass content of the epoxy resin is 22%, and the mass content of volatile components is 0.03%;
And step five, putting the laminate layering material obtained in the step four into a laminate pressing machine, preheating for 30min at 80 ℃ and 0.05MPa to ensure that the epoxy resin film and the epoxy glass cloth prepreg enter a viscous flow state in a hot melting mode, then prepressing and molding for 2h at 120 ℃ and 5MPa, curing and molding for 3h at 155 ℃ and 8MPa, cooling and relieving pressure, taking out and cutting edges to obtain the optical waveguide composite material.
According to the invention, the epoxy resin film, the honeycomb-shaped optical waveguide material, the epoxy resin film and the epoxy resin glass cloth prepreg are sequentially laid on the surface of the laminated board die, and the optical waveguide composite material is prepared by preheating, prepressing molding and curing molding, so that the mechanical property reinforcement and the external insulation protection of the material are realized on the basis of realizing the optical waveguide, and the external insulation safety of the optical waveguide composite material in the working under an electric field is ensured.
The method is characterized in that in the first step, the thickness of the epoxy resin film is 0.25mm, and the number of the first epoxy resin film layers is 3.
The method is characterized in that in the third step, the thickness of the epoxy resin film is 0.25mm, and the number of the second epoxy resin film layers is 2.
The preferred thickness and the number of layers effectively ensure that the honeycomb-shaped optical waveguide material framework is embedded in the resin layer to form the optical waveguide composite material, and the mechanical property of the optical waveguide composite material is improved on the basis of realizing the optical waveguide.
The method is characterized in that the number of the prepreg layers in the fourth step is 5. The optimal number of layers ensures that the optical waveguide composite material has proper thickness and meets the application requirements.
Compared with the prior art, the invention has the following advantages:
1. the optical waveguide composite material has good optical waveguide performance, and simultaneously has sufficient mechanical performance and electrical insulation performance, thereby not only meeting the requirement of optical wave transmission, but also meeting the external insulation safety in a working electric field.
2. The invention realizes the widening of the wave band of the guided light wave by using different monocrystal optical waveguide functional materials, improves the performance of working voltage, wave band and the like, and meets different application requirements.
3. The manufacturing method is simple, easy to realize and high in practical value.
The technical solution of the present invention is further described in detail by examples below.
Detailed Description
Example 1
The embodiment comprises the following steps:
Step one, uniformly coating an epoxy/anhydride system adhesive on the surface of a mould for a winding pipe, and then performing pre-curing to form a semi-gel first gel coat layer; the diameter of the die for the winding pipe is 210mm, and the length of the die is 1380 mm; the thickness of the coating is 0.8 mm-1.0 mm; the temperature of the pre-curing is 120 ℃;
cutting a crystal optical waveguide material consisting of ridge type KTaO3(KT) into blocks, and then flatly paving the blocks on the surface of the first gel coat layer formed in the step one to form an optical waveguide functional structure layer; the crystal optical waveguide material consisting of the ridge type KTaO3(KT) is cut into a rectangle with the width of 685mm, the thickness of 2mm and the length of 1200 mm; cutting and spreading a crystal optical waveguide material consisting of ridge KTaO3(KT), and then carrying out end-capping protection along the width direction of the spread block by using a self-adhesive tape with the width of 10 mm;
step three, uniformly coating an epoxy/anhydride system adhesive on the surface of the optical waveguide functional structure layer formed in the step two, and then performing pre-curing to form a semi-gel second gel coat layer; the thickness of the coating is 0.5 mm-0.8 mm; the temperature of the pre-curing is 100 ℃;
step four, adopting glass fiber to perform annular and longitudinal cross winding on the surface of the second gel coat layer formed in the step three to obtain an optical waveguide composite material pipe winding blank; the glass fiber is ECR1200Tex glass yarn for electricians, and the outer diameter of the winding blank of the optical waveguide composite material pipe is 218 mm;
Step five, carrying out vacuum pumping, heating and curing on the optical waveguide composite material pipe winding blank obtained in the step four by adopting a vacuum bag forming method, carrying out outer surface processing and demolding after cooling, and cutting and removing the optical waveguide composite material pipe winding blank along the self-adhesive tape protected by the end sealing by adopting a diamond water saw to obtain an optical waveguide composite material; the heating and curing process comprises the following steps: the temperature was first maintained at 120 ℃ for 2h and then at 155 ℃ for 3 h.
Example 2
The embodiment comprises the following steps:
paving an epoxy resin film on the surface of a laminated board die to form a first epoxy resin film layer; the thickness of the epoxy resin film is 0.25mm, and the number of the first epoxy resin film layers is 3;
step two, paving a honeycomb-shaped optical waveguide material on the first epoxy resin film layer formed in the step one; the thickness of the honeycomb-shaped optical waveguide material is 2 mm;
step three, paving an epoxy resin film on the surface of the honeycomb-shaped optical waveguide material in the step two to form a second epoxy resin film layer; the thickness of the epoxy resin film is 0.25mm, and the number of the second epoxy resin film layers is 2;
fourthly, paving epoxy resin glass cloth prepreg on the second epoxy resin film layer formed in the third step to form a prepreg layer, and obtaining a laminated board paving material; the thickness of the epoxy resin glass cloth prepreg is 0.16mm, the mass content of the epoxy resin is 22%, and the mass content of volatile components is 0.03%; the number of the layers of the prepreg layer is 5;
And step five, putting the laminated board paving material obtained in the step four into a laminated board press, preheating for 30min at 80 ℃ and 0.05MPa to ensure that the epoxy resin film and the epoxy glass cloth prepreg enter a viscous flow state in a hot melting mode, then pre-pressing and molding for 2h at 120 ℃ and 5MPa, curing and molding for 3h at 155 ℃ and 8MPa, cooling and relieving pressure, taking out and cutting edges to obtain the optical waveguide composite material.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Any simple modification, change and equivalent changes of the above embodiments according to the technical essence of the invention are still within the protection scope of the technical solution of the invention.
Claims (5)
1. A method of making an optical waveguide composite, the method comprising: a first step: implanting an optical waveguide material, wherein the second process comprises the following steps: and (3) forming and curing the composite material, wherein the third process comprises the following steps: processing a structure;
the method comprises the following steps:
uniformly coating an epoxy/anhydride system adhesive on the surface of a mould for a winding pipe, and then pre-curing to form a semi-gel first gel coat layer; the diameter of the mould for the winding pipe is 210mm, and the length of the mould is 1380 mm; the thickness of the coating is 0.8 mm-1.0 mm; the temperature of the pre-curing is 120 ℃, and the time is 10 min;
Cutting a crystal optical waveguide material consisting of ridge type KTaO3(KT) into blocks, and then flatly paving the blocks on the surface of the first gel coat layer formed in the step one to form an optical waveguide functional structure layer;
step three, uniformly coating an epoxy/anhydride system adhesive on the surface of the optical waveguide functional structure layer formed in the step two, and then performing pre-curing to form a semi-gel second gel coat layer; the thickness of the coating is 0.5 mm-0.8 mm; the temperature of the pre-curing is 100 ℃, and the time is 10 min;
step four, adopting glass fiber to perform annular and longitudinal cross winding on the surface of the second gel coat layer formed in the step three to obtain an optical waveguide composite material pipe winding blank; the glass fiber is ECR1200Tex glass yarn for electricians; the outer diameter of the optical waveguide composite pipe winding blank is 218 mm;
step five, carrying out vacuum pumping, heating and curing on the optical waveguide composite material pipe winding blank obtained in the step four by adopting a vacuum bag forming method, carrying out outer surface processing and demolding after cooling, and cutting and removing the optical waveguide composite material pipe winding blank along the self-adhesive tape protected by the end sealing by adopting a diamond water saw to obtain an optical waveguide composite material; the heating and curing process comprises the following steps: firstly, preserving heat for 2 hours at 120 ℃, and then preserving heat for 3 hours at 155 ℃;
Or the method comprises the steps of:
step 1, paving an epoxy resin film on the surface of a laminated board die to form a first epoxy resin film layer;
step 2, paving a honeycomb-shaped optical waveguide material on the first epoxy resin film layer formed in the step 1;
step 3, paving an epoxy resin film on the surface of the honeycomb-shaped optical waveguide material in the step 2 to form a second epoxy resin film layer;
step 4, paving epoxy resin glass cloth prepreg on the second epoxy resin film layer formed in the step 3 to form a prepreg layer, and obtaining a laminated board paving material; the thickness of the epoxy resin glass cloth prepreg is 0.16mm, the mass content of the epoxy resin is 22%, and the mass content of volatile components is 0.03%;
and 5, putting the laminated board paving material obtained in the step 4 into a laminated board press, preheating for 30min at 80 ℃ and 0.05MPa to ensure that the epoxy resin film and the epoxy glass cloth prepreg enter a viscous flow state in a hot melting mode, then pre-pressing and molding for 2h at 120 ℃ and 5MPa, curing and molding for 3h at 155 ℃ and 8MPa, cooling and relieving pressure, taking out and cutting edges to obtain the optical waveguide composite material.
2. The method of claim 1 wherein in step two said crystalline optical waveguide material of ridge type KTaO3(KT) is cut into a rectangular shape having a width of 685mm, a thickness of 2mm and a length of 1200 mm; after the crystal optical waveguide material formed by ridge KTaO3(KT) is cut and tiled, self-adhesive tape with the width of 10mm is adopted to carry out end-capping protection along the width direction of the tiled block.
3. The method for manufacturing an optical waveguide composite material according to claim 1, wherein the thickness of the epoxy resin film in step 1 is 0.25mm, and the number of the first epoxy resin film layers is 3.
4. The method of claim 1, wherein the thickness of the epoxy resin film in step 3 is 0.25mm, and the number of the second epoxy resin film layers is 2.
5. The method of claim 1, wherein the number of prepreg layers in step 4 is 5.
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|---|---|---|---|---|
| JP2001281475A (en) * | 2000-03-29 | 2001-10-10 | Hitachi Chem Co Ltd | Organic/inorganic composite material for optical waveguide and method for manufacturing optical waveguide using the same |
| CN1432599A (en) * | 2002-01-18 | 2003-07-30 | 三洋电机株式会社 | Composite organic-inorganic material and its production process |
| CN101049746A (en) * | 2006-01-26 | 2007-10-10 | Jsr株式会社 | Transparent complex and process for producing the same |
| CN101863126A (en) * | 2010-06-05 | 2010-10-20 | 零八一电子集团四川天源机械有限公司 | Processing method of carbon fiber reinforced epoxy resin-based composite waveguide |
| CN102540333A (en) * | 2012-02-22 | 2012-07-04 | 西安交通大学 | Method for preparing functional strip waveguides from silicon-titanium organic-inorganic composite material with ultraviolet photosensitivity characteristics |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103587130B (en) * | 2013-10-15 | 2016-04-06 | 南京航空航天大学 | The method of microwave curing fiber-reinforced resin matrix compound material component and device |
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- 2020-11-13 CN CN202011269254.5A patent/CN112230334B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001281475A (en) * | 2000-03-29 | 2001-10-10 | Hitachi Chem Co Ltd | Organic/inorganic composite material for optical waveguide and method for manufacturing optical waveguide using the same |
| CN1432599A (en) * | 2002-01-18 | 2003-07-30 | 三洋电机株式会社 | Composite organic-inorganic material and its production process |
| CN101049746A (en) * | 2006-01-26 | 2007-10-10 | Jsr株式会社 | Transparent complex and process for producing the same |
| CN101863126A (en) * | 2010-06-05 | 2010-10-20 | 零八一电子集团四川天源机械有限公司 | Processing method of carbon fiber reinforced epoxy resin-based composite waveguide |
| CN102540333A (en) * | 2012-02-22 | 2012-07-04 | 西安交通大学 | Method for preparing functional strip waveguides from silicon-titanium organic-inorganic composite material with ultraviolet photosensitivity characteristics |
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