CN105039941A - Fiber-surface chemical plating technology used for fiber grating sensor - Google Patents
Fiber-surface chemical plating technology used for fiber grating sensor Download PDFInfo
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- CN105039941A CN105039941A CN201510513638.XA CN201510513638A CN105039941A CN 105039941 A CN105039941 A CN 105039941A CN 201510513638 A CN201510513638 A CN 201510513638A CN 105039941 A CN105039941 A CN 105039941A
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Abstract
The invention discloses a fiber-surface chemical plating technology used for a fiber grating sensor. The fiber-surface chemical plating technology includes the following steps: A, a fiber base body is preprocessed, and a preprocessed piece is obtained; and B, the preprocessed piece is arranged in plating liquid for chemical plating, wherein one liter of plating liquid comprises 9g to 12 g of blue vitriol, 15 g to 20 g of seignette salt, 25 g to 35 g of sodium hypophosphite, catalysts and oxidation-reduction indicators. According to the fiber-surface chemical plating technology, the surfaces of fibers are metalized in a chemical copper plating manner, and the temperature sensitivity and the strain sensitivity of the fibers are improved.
Description
Technical field
The present invention relates to a kind of optical fiber surface chemical plating technology for fiber-optic grating sensor.
Background technology
In the process preparing optical fiber Bragg raster, guarantor's coat of general only removing optical fiber surface, this reduces greatly by causing the physical strength of optical fiber; After completing ultraviolet write, generally can adopt and be coated with last layer organic polymer, by above-mentioned technique, effectively can improve the mechanical characteristics of optical fiber and grating, but the coating layer that the method for packing of the optical fiber Bragg raster of routine adopts mostly is polyoxy resin, time easily aging, creep too for a long time under rugged environment, cause optical fiber generation relative displacement, affect measuring accuracy, the moisture sensitivity of conventional encapsulation is poor simultaneously, is not suitable for using under some high-precision conditions.
Domestic also have a lot of experts and scholars to be studied fiber grating metallization, and the realization of the Metallization on Quartz of Optical Fiber changes fiber optic protection, boning to rely on the passive situation of tackiness agent.For fiber grating surface metalation problem, the angle technology to chemical optical fibre nickel plating of people in 2005 from optical fiber Bragg grating encapsulation sensor such as Lee Xiao Pu are studied, but do not provide the concrete mechanical index at interface, have no the practicality report that this technology is used for fiber-optic grating sensor by it yet.
Summary of the invention
The object of this invention is to provide a kind of optical fiber surface chemical plating technology for fiber-optic grating sensor, temperature sensitivity and the strain sensitivity of the sensor utilizing this optical fiber can be improved.
For solving the problems of the technologies described above, the invention provides a kind of optical fiber surface chemical plating technology for fiber-optic grating sensor, comprising the following steps:
A, optical fiber matrix is carried out pre-treatment, obtain pre-treatment part;
B, described pre-treatment part is placed in plating solution carries out electroless plating; Described electroplate liquid formulation contains: cupric sulfate pentahydrate 9 ~ 12g/L; Seignette salt 15 ~ 20g/L; Sodium hypophosphite 25g/L ~ 35g/L; Catalyzer; Oxidation-reduction indicator.
Further, described pre-treatment step is: go protective layer, oil removing, alligatoring, thermal treatment, sensitization activation and thermal treatment.
Further, the temperature that described pre-treatment part reacts in the plating solution is 70 DEG C ~ 80 DEG C.
Further, described pre-treatment step activates 1 footwork → washing → thermal treatment for going protective layer → washing → oil removing → washing → alligatoring → washing → thermal treatment → sensitization.
Further, described catalyzer is: single nickel salt 1g/L ~ 2g/L.
Further, described oxidation-reduction indicator is: 2,2'-dipyridyl 0.3g/L ~ 0.5g/L.
Beneficial effect of the present invention is:
The present invention takes activation sensitization single stage method, is that Using Sodium Hypophosphite is reductive agent typically without palladium technique, auxiliary with additive replacement formaldehyde technique, cost-saved, decreasing pollution.
The present invention makes optical fiber surface metallize by the mode of electroless copper, improves temperature sensitivity and the strain sensitivity of optical fiber.
Embodiment
Below the specific embodiment of the present invention is described; so that those skilled in the art understand the present invention; but should be clear; the invention is not restricted to the scope of embodiment; to those skilled in the art; as long as various change to limit and in the spirit and scope of the present invention determined, these changes are apparent, and all innovation and creation utilizing the present invention to conceive are all at the row of protection in appended claim.
Embodiment 1:
For an optical fiber surface chemical plating technology for fiber-optic grating sensor, step is as follows:
A, protective layer → washing → oil removing → washing → alligatoring → washing → thermal treatment → sensitization is gone to activate 1 footwork → washing → thermal treatment to optical fiber surface.
B, be that the plating solution of 76 ° fully reacts by being placed in temperature through pretreated optical fiber matrix; Electroplate liquid formulation is: cupric sulfate pentahydrate 12g/L; Seignette salt 20g/L; Sodium hypophosphite 35g/L; Single nickel salt 2g/L; 2,2'-dipyridyl 0.5g/L.
Embodiment 2:
For an optical fiber surface chemical plating technology for fiber-optic grating sensor, step is as follows:
A, protective layer → washing → oil removing → washing → alligatoring → washing → thermal treatment → sensitization is gone to activate 1 footwork → washing → thermal treatment to optical fiber surface.
B, be that the plating solution of 76 ° fully reacts by being placed in temperature through pretreated optical fiber matrix; Electroplate liquid formulation is: cupric sulfate pentahydrate 9g/L; Seignette salt 15g/L; Sodium hypophosphite 25g/L; Single nickel salt 1g/L; 2,2'-dipyridyl 0.3g/L.
Embodiment 3:
For an optical fiber surface chemical plating technology for fiber-optic grating sensor, step is as follows:
A, protective layer → washing → oil removing → washing → alligatoring → washing → thermal treatment → sensitization is gone to activate 1 footwork → washing → thermal treatment to optical fiber surface.
B, be that the plating solution of 76 ° fully reacts by being placed in temperature through pretreated optical fiber matrix; Electroplate liquid formulation is: cupric sulfate pentahydrate 11g/L; Seignette salt 18g/L; Sodium hypophosphite 31g/L; Single nickel salt 1.5g/L; 2,2'-dipyridyl 0.4g/L.
Embodiment 4:
For an optical fiber surface chemical plating technology for fiber-optic grating sensor, step is as follows:
A, protective layer → washing → oil removing → washing → alligatoring → washing → thermal treatment → sensitization is gone to activate 1 footwork → washing → thermal treatment to optical fiber surface.
B, be that the plating solution of 76 ° fully reacts by being placed in temperature through pretreated optical fiber matrix; Electroplate liquid formulation is: cupric sulfate pentahydrate 12g/L; Formaldehyde 20g/L; Single nickel salt 2g/L; Seignette salt 20g/L; 2,2'-dipyridyl 0.5g/L.
Embodiment 5:
For an optical fiber surface chemical plating technology for fiber-optic grating sensor, step is as follows:
A, protective layer → washing → oil removing → washing → alligatoring → washing → thermal treatment → sensitization is gone to activate 1 footwork → washing → thermal treatment to optical fiber surface.
B, be that the plating solution of 76 ° fully reacts by being placed in temperature through pretreated optical fiber matrix; Electroplate liquid formulation is: cupric sulfate pentahydrate 12g/L; Glyoxylic acid hydrate 20g/L; Single nickel salt 2g/L; Seignette salt 20g/L; 2,2'-dipyridyl 0.5g/L.
Embodiment 6:
For an optical fiber surface chemical plating technology for fiber-optic grating sensor, step is as follows:
A, protective layer → washing → oil removing → washing → alligatoring → washing → thermal treatment → sensitization is gone to activate 1 footwork → washing → thermal treatment to optical fiber surface.
B, be that the plating solution of 76 ° fully reacts by being placed in temperature through pretreated optical fiber matrix; Electroplate liquid formulation is: cupric sulfate pentahydrate 12g/L; Dimethylin 20g/L; Single nickel salt 2g/L; Seignette salt 20g/L; 2,2'-dipyridyl 0.5g/L.
Embodiment 7:
For an optical fiber surface chemical plating technology for fiber-optic grating sensor, step is as follows:
A, protective layer → washing → oil removing → washing → alligatoring → washing → thermal treatment → sensitization is gone to activate 1 footwork → washing → thermal treatment to optical fiber surface.
B, be that the plating solution of 76 ° fully reacts by being placed in temperature through pretreated optical fiber matrix; Electroplate liquid formulation is: cupric sulfate pentahydrate 12g/L; Sodium hypophosphite 31g/L; Single nickel salt 2g/L; Sunmorl N 60S 20g/L; 2,2'-dipyridyl 0.5g/L.
Embodiment 8:
For an optical fiber surface chemical plating technology for fiber-optic grating sensor, step is as follows:
A, protective layer → washing → oil removing → washing → alligatoring → washing → thermal treatment → sensitization is gone to activate 1 footwork → washing → thermal treatment to optical fiber surface.
B, be that the plating solution of 80 ° fully reacts by being placed in temperature through pretreated optical fiber matrix; Electroplate liquid formulation is: cupric sulfate pentahydrate 12g/L; Sodium hypophosphite 31g/L; Single nickel salt 2g/L; 2,2'-dipyridyl 0.5g/L.
By embodiment 1 ~ embodiment 7 technique to after optical fiber metallization, detected by coating performance, observe the smoothness of coating, binding force of cladding material is detected by thermal shock method, test proves that gained copper plate is functional, detects binding force of cladding material by thermal shock method, and test proves that gained copper plate is functional.Detected after optical fiber metallization by embodiment 8 technique, its copper plate performance is starkly lower than by embodiment 1 ~ embodiment 7 technique the sensor after optical fiber metallization packaged.
Detect contrast by spectrum analyzer, by embodiment 1 ~ embodiment 7 technique to the temperature sensitivity of the sensor after optical fiber metallization packaged and strain sensitivity all higher than temperature sensitivity and the strain sensitivity of the sensor of bare fibre encapsulation.Further, by embodiment 4-embodiment 8 technique, the temperature sensitivity of the sensor after optical fiber metallization packaged and strain sensitivity are starkly lower than by embodiment 1 ~ embodiment 3 technique the temperature sensitivity of the sensor after optical fiber metallization packaged and strain sensitivity.
Claims (6)
1., for an optical fiber surface chemical plating technology for fiber-optic grating sensor, it is characterized in that, comprise the following steps:
A, optical fiber matrix is carried out pre-treatment, obtain pre-treatment part;
B, described pre-treatment part is placed in plating solution carries out electroless plating; Described electroplate liquid formulation contains: cupric sulfate pentahydrate 9 ~ 12g/L; Seignette salt 15 ~ 20g/L; Sodium hypophosphite 25g/L ~ 35g/L; Catalyzer; Oxidation-reduction indicator.
2. technique according to claim 1, is characterized in that, described pre-treatment step is: go protective layer, oil removing, alligatoring, thermal treatment, sensitization activation and thermal treatment.
3. technique according to claim 1, is characterized in that, the temperature that described pre-treatment part reacts in the plating solution is 70 DEG C ~ 80 DEG C.
4. technique according to claim 2, is characterized in that, described pre-treatment step activates 1 footwork → washing → thermal treatment for going protective layer → washing → oil removing → washing → alligatoring → washing → thermal treatment → sensitization.
5. technique according to claim 1, is characterized in that, described catalyzer is: single nickel salt 1g/L ~ 2g/L.
6. technique according to claim 1, is characterized in that, described oxidation-reduction indicator is: 2,2'-dipyridyl 0.3g/L ~ 0.5g/L.
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| CN201510513638.XA CN105039941A (en) | 2015-08-20 | 2015-08-20 | Fiber-surface chemical plating technology used for fiber grating sensor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107029720A (en) * | 2017-04-28 | 2017-08-11 | 四川大学 | Support type high grade oxidation catalytic material and preparation method thereof |
| CN108034933A (en) * | 2017-12-11 | 2018-05-15 | 苏州协同创新智能制造装备有限公司 | Fiber grating surface metalation processing method |
| CN113818013A (en) * | 2021-09-23 | 2021-12-21 | 镇江锦兴表面工程技术有限公司 | Surface treatment process for quartz optical fiber |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102877046A (en) * | 2011-07-13 | 2013-01-16 | 比亚迪股份有限公司 | Chemical copper plating liquid and chemical copper plating method |
| CN103334093A (en) * | 2013-06-27 | 2013-10-02 | 长安大学 | Chemical copper-plating activating process of ceramic material |
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2015
- 2015-08-20 CN CN201510513638.XA patent/CN105039941A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102877046A (en) * | 2011-07-13 | 2013-01-16 | 比亚迪股份有限公司 | Chemical copper plating liquid and chemical copper plating method |
| CN103334093A (en) * | 2013-06-27 | 2013-10-02 | 长安大学 | Chemical copper-plating activating process of ceramic material |
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| 张允诚等: "《电镀手册》", 31 December 2011 * |
| 张飞翔等: "光纤Bragg光栅表面化学镀铜工艺及特性研究", 《现代化工》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107029720A (en) * | 2017-04-28 | 2017-08-11 | 四川大学 | Support type high grade oxidation catalytic material and preparation method thereof |
| CN107029720B (en) * | 2017-04-28 | 2019-11-05 | 四川大学 | Support type high grade oxidation catalytic material and preparation method thereof |
| CN108034933A (en) * | 2017-12-11 | 2018-05-15 | 苏州协同创新智能制造装备有限公司 | Fiber grating surface metalation processing method |
| CN113818013A (en) * | 2021-09-23 | 2021-12-21 | 镇江锦兴表面工程技术有限公司 | Surface treatment process for quartz optical fiber |
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Application publication date: 20151111 |