CN100355682C - Acid soluble glass for acid soluble method flexible optical fiber image transmitting beam - Google Patents

Acid soluble glass for acid soluble method flexible optical fiber image transmitting beam Download PDF

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Publication number
CN100355682C
CN100355682C CNB2005101123512A CN200510112351A CN100355682C CN 100355682 C CN100355682 C CN 100355682C CN B2005101123512 A CNB2005101123512 A CN B2005101123512A CN 200510112351 A CN200510112351 A CN 200510112351A CN 100355682 C CN100355682 C CN 100355682C
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China
Prior art keywords
glass
acid
acid soluble
optical fiber
flexible optical
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CNB2005101123512A
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Chinese (zh)
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CN1807307A (en
Inventor
胡一晨
王中俭
陈兴芬
何益健
金招娣
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Guangzhou Hongsheng Optical Technology Co., Ltd.
East China University of Science and Technology
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Beifang Optical Communication Industry Co Ltd Chonghua Guangdong
East China University of Science and Technology
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Abstract

The present invention discloses composition of acid-dissolved glass which can be used for manufacturing flexible optical fiber bundles for image transmission by an acid dissolving method. The acid-dissolved glass of the present invention has the characteristics that the acid-dissolved glass has favorable acid dissolving properties, and can be dissolved in acid solution according to the technical requirements for manufacturing flexible optical fiber bundles for image transmission by an acid dissolving method; the acid-dissolved glass kept at both ends has favorable chemical stability and is free from corrosion; the acid-dissolved glass has favorable anti-recrystallization performance, when three crucibles are used for manufacturing monofilaments, the glass, core material glass and leather material glass form favorable matching in technology so as to manufacture three layers of coaxial fibers; (4) the acid-dissolved glass can not be impregnated with the leather material glass.

Description

The acid soluble glass that is used for acid soluble method flexible optical fiber image transmitting beam
Technical field
The present invention relates to a kind of acid soluble glass that is used for acid soluble method flexible optical fiber image transmitting beam and form, belong to flexible optical fiber image transmitting beam and make the field.
Background technology
Flexible optical fiber image transmitting beam generally has two kinds of production technique.The one, row's silk method is about to the double-layer coaxial monofilament and twines in order, cuts off bunchy with the bonding back of organic adhesion agent then.The 2nd, acid pasting, this method is at first made three layers of coaxial monofilament, arranges bunchy then, and hot melt is drawn into multifilament, immerses at last to remove acid soluble glass in the acid solution to form the flexible optical fibre bundle.The manufacturing of three layers of coaxial monofilament also has two kinds of methods in the acid pasting: first rod-in-tube technique, acid soluble glass, cladding and core material are made pipe and rod respectively, and be linked in then together, it is fine that hot melt becomes.This method cost height, efficient are low.It two is crucible methods, exactly acid soluble glass, cladding and core material glass is made rod, directly makes three layers of coaxial optical fiber in three special set crucibles, and advantage is resolving power height, good product performance, production efficiency height.
The monofilament of acid soluble method flexible optical fiber image transmitting beam is the coaxial fiber that is composited by core material glass, cladding glass and acid soluble glass, and they have played different effects in coherent fiber bundle.
Because technologic singularity does not have commercial acid soluble glass to supply on the market.The acid soluble glass that USP 4460696 makes flexible optical fiber image transmitting beam has been announced a kind of composition (mol%) of acid soluble glass: SiO 220～48, B 2O 325～50, BaO 5～6, R 2O (Li 2O+Na 2O+K 2O) 7～18, SiO 2+ B 2O 3+ BaO71～80, ZnO 7.4～12, Al 2O 31.8～7.The acid soluble glass that USP 4461841 makes flexible optical fiber image transmitting beam has been announced the composition (mol%) of another kind of acid soluble glass: SiO 215～41, B 2O 329～54, BaO 6～23, R 2O (Li 2O+Na 2O+K 2O) 5～19, SiO 2+ B 2O 3+ BaO 71～80, ZnO＜12, Al 2O 3＜7, MgO+CaO+SrO＜5.Though these glass have presented good acid-soluble characteristic, exist some shortcomings simultaneously: the poor chemical stability of (1) acid soluble glass, in the medium-term and long-term corrosion-vulnerable of using of air; (2) devitrification resistance can be poor, is easy to generate crystallization in the monofilament manufacturing; (3) when three crucibles are made monofilament, can not form coupling good on the technology, make three layers of coaxial fiber with core material glass and cladding glass.CN1103325 acid dissolving optical fiber facsimile beam single fiber acid dissolving glass attachment means has proposed another problem, promptly three crucible methods are made the phenomenon of infiltrating between the triplex glass that monofilament exists, in case produce this phenomenon, the performance of coherent fiber bundle will descend significantly, can't work even at all.
Summary of the invention
For overcoming the deficiencies in the prior art, the present invention discloses a kind of acid soluble glass that is used for acid soluble method flexible optical fiber image transmitting beam.
The present invention is achieved by the following technical solutions:
The composition of acid soluble glass of the present invention comprises: (in parts by weight)
Form Umber
SiO 2 100
B 2O 3 80～120
BaO 80～120
Al 2O 3 15～30
CaO 20～40
Na 2O 20～40
K 2O 10～30
Na 2O+K 2O 30～60
In above composition, add following composition, the performance of this acid soluble glass is optimized more:
ZrO 2 5～10
TiO 2 5～10
In above compositing range, further preferred compositing range is:
Form Umber
SiO 2 100
B 2O 3 80～100
BaO 80～100
Al 2O 3 18～25
CaO 25～35
Na 2O 25～35
K 2O 10～20
Na 2O+K 2O 35～50
ZrO 2 5～10
TiO 2 5～10
SiO 2Be glass-former, formed the network structure of glass, it is the most basic key elements such as assurance coherent fiber bundle chemical stability, here its benchmark as composition.B 2O 3Also be glass-former, use B 2O 3Replace SiO 2Not only can reduce the wire-drawing temperature of glass, can also produce acid-soluble characteristic.Work as B 2O 3＜80, the acid-soluble characteristic of glass is poor; Work as B 2O 3＞120, glass is easy to be subjected to the erosion of air.The effect of BaO provides enough acid-soluble characteristics, compares with other alkaline-earth metal ions, and it has reasonable devitrification resistance energy.When BaO＜80, the acid-soluble characteristic of glass is poor; BaO＞120, glass are subjected to the erosion of air easily, and easy phase-splitting and crystallization.Al 2O 3Be the glass intermediate, in glass, mainly play a part to improve chemical stability and suppress devitrification of glass.Work as Al 2O 3＜15, glass is easy to produce crystallization; Work as Al 2O 3＞30, the wire-drawing temperature of glass is too high.CaO is that network is adjusted body, replaces Na with them 2O and K 2Alkalimetal oxides such as O can improve the chemical stability of glass.When CaO＜20, the chemical stability of glass is bad; When CaO＞40, wire-drawing temperature is too high.Na 2O is that network is adjusted body, is to reduce the most effective composition of glass spinning temperature, but the excessive poor chemical stability that will cause glass.Work as Na 2O＜20, the wire-drawing temperature of glass is too high; Work as Na 2O＞40, the poor chemical stability of glass.K 2O also can reduce the glass spinning temperature, but effect is not as Na 2O.Use K 2O replaces part Na 2O can produce mixed alkali effect, improves the chemical stability of glass.Work as K 2O＜10, mixed alkali effect too a little less than, work as K 2O＞30 are because of Na 2O is made the wire-drawing temperature of glass too high by excessive replacement.Usually also Na 2O and K 2The content of O integrates consideration, works as Na 2O+K 2O＜30, the wire-drawing temperature of glass is too high; Work as Na 2O+K 2The chemical stability of O＞60 glass is bad.TiO 2And ZrO 2Effect in acid soluble glass all is in order to improve the aerial chemical stability of glass.Work as TiO 2And ZrO 2＜5 o'clock respectively, this effect was very weak; Work as TiO 2＞10 o'clock, glass was easy to generate phase-splitting and crystallization, works as ZrO 2＞10 o'clock, glass not only was easy to generate crystallization, and wire-drawing temperature is also than higher.
Beneficial effect
Acid soluble glass of the present invention has excellent performance, can solve following technical problem:
(1) have good acid-soluble characteristic, the processing requirement of making flexible optical fiber image transmitting beam according to acid pasting can be dissolved in acid solution;
(2) acid soluble glass that is retained in two ends has good chemical stability, is not corroded in air;
(3) good devitrification resistance energy, when three crucibles were made monofilament, this glass and core material glass and cladding glass formed good coupling on the technology, make three layers of coaxial fiber;
(4) can not produce the infiltration phenomenon with cladding glass.
The invention will be further described by the following examples.
Embodiment 1
Adopt commercially available analytical pure chemical reagent, press the composition batching in the table 1:
Table 1
Form Umber
SiO 2 100
B 2O 3 90
BaO 80
Al 2O 3 20
CaO 20
Na 2O 30
K 2O 10
ZrO 2 5
TiO 2 5
Accurate calculation and raw materials weighing, it is stand-by to make admixtion after stirring.Electric furnace is heated to 1300 ℃, divides to add admixtion for several times.Finish reinforced after, furnace temperature rises to 1400 ℃, starts agitator then, after about 8 hours of the glass clarifying, slowly is cooled to 1300 ℃, the glass bar is cast in discharging, the manufacturing that this bar is used for acid soluble method flexible optical fiber image transmitting beam presents excellent performance.
Embodiment 2
Adopt commercially available analytical pure chemical reagent, press the composition batching in the table 2:
Table 2
Form Umber
SiO 2 100
B 2O 3 90
BaO 90
Al 2O 3 20
CaO 25
Na 2O 25
K 2O 10
ZrO 2 5
TiO 2 7
Accurate calculation and raw materials weighing, it is stand-by to make admixtion after stirring.Electric furnace is heated to 1300 ℃, divides to add admixtion for several times.Finish reinforced after, furnace temperature rises to 1400 ℃, starts agitator then, after about 8 hours of the glass clarifying, slowly is cooled to 1300 ℃, the glass bar is cast in discharging, the manufacturing that this bar is used for acid soluble method flexible optical fiber image transmitting beam presents excellent especially performance.

Claims (2)

1, a kind of acid soluble glass that is used for acid pasting manufacturing flexible optical fiber image transmitting beam is characterized in that the composition of described acid soluble glass comprises:
Form umber
SiO 2 100
B 2O 3 80～120
BaO 80～120
Al 2O 3 15～30
CaO 20～40
Na 2O 20～40
K 2O 10～30
Na 2O+K 2O 30～60
ZrO 2 5～10
TiO 2 5～10。
2, the acid soluble glass that is used for acid pasting manufacturing flexible optical fiber image transmitting beam as claimed in claim 1 is characterized in that the composition of described acid soluble glass comprises:
Form umber
SiO 2 100
B 2O 3 80～100
BaO 80～100
Al 2O 3 18～25
CaO 25～35
Na 2O 25～35
K 2O 10～20
Na 2O+K 2O 35～50
ZrO 2 5～10
TiO 2 5～10。
CNB2005101123512A 2005-12-29 2005-12-29 Acid soluble glass for acid soluble method flexible optical fiber image transmitting beam Expired - Fee Related CN100355682C (en)

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CN100355682C true CN100355682C (en) 2007-12-19

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110550859B (en) * 2018-06-04 2023-06-06 长春理工大学 Novel acid-soluble glass and preparation method thereof
CN111960668B (en) * 2020-07-23 2023-03-31 北方夜视技术股份有限公司 Lobster eye optical device core material glass and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4460696A (en) * 1981-10-28 1984-07-17 Fuji Photo Optical Co., Ltd. Acid-soluble glass for making flexible optical fiber bundle
US4461841A (en) * 1980-09-27 1984-07-24 Fuji Photo Optical Co., Ltd. Acid-soluble glass composition for making flexible fiber optic bundle
CN1259492A (en) * 2000-01-19 2000-07-12 长春光学精密机械学院 Acid dissolving optical fiber facsimile beam single fiber acid dissolving glass adhering method
CN1450010A (en) * 2002-04-09 2003-10-22 碧悠国际光电股份有限公司 Optical glass

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4461841A (en) * 1980-09-27 1984-07-24 Fuji Photo Optical Co., Ltd. Acid-soluble glass composition for making flexible fiber optic bundle
US4460696A (en) * 1981-10-28 1984-07-17 Fuji Photo Optical Co., Ltd. Acid-soluble glass for making flexible optical fiber bundle
CN1259492A (en) * 2000-01-19 2000-07-12 长春光学精密机械学院 Acid dissolving optical fiber facsimile beam single fiber acid dissolving glass adhering method
CN1450010A (en) * 2002-04-09 2003-10-22 碧悠国际光电股份有限公司 Optical glass

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
刚性光纤元件芯皮玻璃的酸溶性 高秀敏，蔡春平.硅酸盐学报，第17卷第4期 1989 *
酸溶法光纤传像束暗丝问题研究 于凤霞，周艳艳，唐吉龙，张文涛，王新伟，刘禹.中国激光，第30卷 2003 *

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