JPS605038A - Infrared transmitting glass - Google Patents
Infrared transmitting glassInfo
- Publication number
- JPS605038A JPS605038A JP58110081A JP11008183A JPS605038A JP S605038 A JPS605038 A JP S605038A JP 58110081 A JP58110081 A JP 58110081A JP 11008183 A JP11008183 A JP 11008183A JP S605038 A JPS605038 A JP S605038A
- Authority
- JP
- Japan
- Prior art keywords
- fluoride
- glass
- fluorosulfate
- barium
- sodium
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000011521 glass Substances 0.000 title claims abstract description 30
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 claims abstract description 10
- OMQSJNWFFJOIMO-UHFFFAOYSA-J zirconium tetrafluoride Chemical compound F[Zr](F)(F)F OMQSJNWFFJOIMO-UHFFFAOYSA-J 0.000 claims abstract description 7
- IRPGOXJVTQTAAN-UHFFFAOYSA-N 2,2,3,3,3-pentafluoropropanal Chemical compound FC(F)(F)C(F)(F)C=O IRPGOXJVTQTAAN-UHFFFAOYSA-N 0.000 claims abstract description 6
- KLZUFWVZNOTSEM-UHFFFAOYSA-K Aluminum fluoride Inorganic materials F[Al](F)F KLZUFWVZNOTSEM-UHFFFAOYSA-K 0.000 claims abstract description 6
- BYMUNNMMXKDFEZ-UHFFFAOYSA-K trifluorolanthanum Chemical compound F[La](F)F BYMUNNMMXKDFEZ-UHFFFAOYSA-K 0.000 claims abstract description 6
- OYLGJCQECKOTOL-UHFFFAOYSA-L barium fluoride Chemical compound [F-].[F-].[Ba+2] OYLGJCQECKOTOL-UHFFFAOYSA-L 0.000 claims abstract description 5
- 229910001632 barium fluoride Inorganic materials 0.000 claims abstract description 5
- 235000013024 sodium fluoride Nutrition 0.000 claims abstract description 5
- 239000011775 sodium fluoride Substances 0.000 claims abstract description 5
- UQSQSQZYBQSBJZ-UHFFFAOYSA-M fluorosulfonate Chemical compound [O-]S(F)(=O)=O UQSQSQZYBQSBJZ-UHFFFAOYSA-M 0.000 claims description 13
- 238000000149 argon plasma sintering Methods 0.000 abstract description 9
- 239000000203 mixture Substances 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 238000002425 crystallisation Methods 0.000 abstract description 4
- 230000008025 crystallization Effects 0.000 abstract description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 abstract description 4
- 239000013307 optical fiber Substances 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 3
- XCXLEIPEAAEYTF-UHFFFAOYSA-M sodium fluorosulfate Chemical compound [Na+].[O-]S(F)(=O)=O XCXLEIPEAAEYTF-UHFFFAOYSA-M 0.000 abstract description 3
- OCKJAMWMDSEBOY-UHFFFAOYSA-L FS(=O)(=O)[O-].[Ba+2].FS(=O)(=O)[O-] Chemical compound FS(=O)(=O)[O-].[Ba+2].FS(=O)(=O)[O-] OCKJAMWMDSEBOY-UHFFFAOYSA-L 0.000 abstract description 2
- 229910052697 platinum Inorganic materials 0.000 abstract description 2
- UQSQSQZYBQSBJZ-UHFFFAOYSA-N fluorosulfonic acid Chemical class OS(F)(=O)=O UQSQSQZYBQSBJZ-UHFFFAOYSA-N 0.000 abstract 2
- 238000002834 transmittance Methods 0.000 description 7
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- -1 zirconium fluoride-sodium fluoride-lanthanum fluoride-aluminum fluoride Chemical compound 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- XIZLNMKPMZIAID-UHFFFAOYSA-M [Cs+].[O-]S(F)(=O)=O Chemical compound [Cs+].[O-]S(F)(=O)=O XIZLNMKPMZIAID-UHFFFAOYSA-M 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- TZPLJBLDIVEZCK-UHFFFAOYSA-I aluminum sodium barium(2+) lanthanum(3+) zirconium(4+) pentafluoride Chemical compound [F-].[Na+].[F-].[Al+3].[F-].[La+3].[F-].[Ba+2].[F-].[Zr+4] TZPLJBLDIVEZCK-UHFFFAOYSA-I 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000005383 fluoride glass Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C13/00—Fibre or filament compositions
- C03C13/04—Fibre optics, e.g. core and clad fibre compositions
- C03C13/041—Non-oxide glass compositions
- C03C13/042—Fluoride glass compositions
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Glass Compositions (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は、光学的特性の優れた赤外線透過ガラスに関す
る。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an infrared transmitting glass with excellent optical properties.
弗化ジルコニウム系のガラスは、赤外線透過性に優れて
いることから赤外線光学用材料として有望視されている
が、この系のガラスは一般に熱的に不安定で結晶化しや
すい問題があり、そのため熱的安定性をもたらす弗化ジ
ルコニウム−弗化／久すウムー弗化ナトリウムー弗化ラ
ンタン−弗化アルミニウム系のガラスが提案されている
。Zirconium fluoride glasses are seen as promising materials for infrared optics due to their excellent infrared transmittance; however, this type of glass is generally thermally unstable and prone to crystallization, so Glasses based on zirconium fluoride-sodium fluoride-lanthanum fluoride-aluminum fluoride have been proposed, which provide mechanical stability.
例えば弗化ジルコニウム４８〜７０モル％ 、 弗化／
＜リウム１４〜３０モル２、弗化ナトリウム７〜２６モ
ル２、弗化ランタン２〜７モル％、弗化アルミニウム２
〜６モル２とした組成のものは熱的に充分安定したガラ
スとなり、大型のガラス塊が得られるとか、光ファイバ
への紡糸加工が行ないやすいといった効果を発揮する。For example, 48 to 70 mol% zirconium fluoride, fluoride/
<Rium 14-30 mol2, Sodium fluoride 7-26 mol2, Lanthanum fluoride 2-7 mol%, Aluminum fluoride 2
A glass having a composition of ~6 mol 2 becomes a sufficiently thermally stable glass, and exhibits effects such as obtaining a large glass lump and making it easy to spin into an optical fiber.
もちろん、こうした提案例でも各組成の割合が上記の範
囲から外れると結晶化が起こりやすくなる。Of course, even in such a proposed example, crystallization is likely to occur if the ratio of each composition deviates from the above range.
ところで、上記の組成からなるガラスの場合、赤外線透
過性、熱的安定性を有するのでこの点に限ってよいとい
えるが、光の散乱に関してはこれが大きく、従って当該
ガラスの場合、光学系ガラスとしてまだ不充分であると
いえる。By the way, in the case of glass with the above composition, it has infrared transmittance and thermal stability, so it can be said that this point is sufficient, but this is large in terms of light scattering, so in the case of the glass concerned, it is not suitable as an optical system glass. It can be said that this is still insufficient.
つぎに光散乱現象の抑制に関し、これを検討し゛なとこ
ろ、上記組成のガラス中に硫酸イオンを添カロするのが
有効であると判明したが、この硫酸イオンの添加は光散
乱の抑制には有効であっても波庄４〜５ｐＬｍ域におい
て大きな吸収があられれ、赤外線透過性が阻害されると
いった結果を新たに惹き起こすこととなった。Next, regarding the suppression of light scattering, we investigated this and found that it is effective to add sulfate ions to the glass with the above composition. Even if it is effective, large absorption occurs in the 4 to 5 pLm region, resulting in new results such as inhibition of infrared transmittance.
本発明は上記の問題点に鑑みこの種の赤外線透過ガラス
において、赤外線透過性、熱的安定性、光散乱の現象な
ど、これら緒特性を満足に確保すべく改善したものであ
り、その特徴とする構成は下記の通りである。In view of the above-mentioned problems, the present invention is an infrared transmitting glass of this type that has been improved in order to satisfactorily ensure these characteristics such as infrared transmittance, thermal stability, and light scattering phenomenon. The configuration is as follows.
すなわち本発明に係る赤外線透過ガラスは、弗化ジルコ
ニウム４８〜７０モル％と、弗化バリウム１４〜３０モ
ル％と、弗化ナトリウム７〜２６モル％と、弗化ランタ
ン２〜７モル％と、弗化アルミニウム２〜６モル２と、
フルオロ硫酸塩０．１〜５モル％とからなることを特徴
としている。That is, the infrared transmitting glass according to the present invention contains 48 to 70 mol% of zirconium fluoride, 14 to 30 mol% of barium fluoride, 7 to 26 mol% of sodium fluoride, and 2 to 7 mol% of lanthanum fluoride. 2 to 6 moles of aluminum fluoride,
It is characterized by consisting of 0.1 to 5 mol% of fluorosulfate.
かかる本発明の場合、弗化ジルコニウム−弗化バリウム
−弗化ナトリウム−弗化ランタン−弗化アルミニウド系
において既述のごとく赤外線透過性、熱的安定性を具備
しているのであり、これにフルオロ硫酸塩が添加されて
いることにより、弗化ジルコニウムガラスと対比して光
散乱強度が約１００分の１程度にまで減じられ又いる。In the case of the present invention, the zirconium fluoride-barium fluoride-sodium fluoride-lanthanum fluoride-aluminum fluoride system has infrared transmittance and thermal stability as described above, and in addition, the fluoride Due to the addition of sulfate, the light scattering intensity is reduced to about 1/100 compared to that of fluoridated zirconium glass.
本発明において、フルオロ硫酸塩による光散乱抑制効果
は前記における硫酸イオンの場合とほぼ同じであるが、
硫酸イオンの添加が赤外線透過性を阻害するのに対し、
フルオロ硫酸塩の添加はこうした弊害を全く惹き起こさ
ない。In the present invention, the light scattering suppressing effect of fluorosulfate is almost the same as that of sulfate ion in the above, but
Whereas the addition of sulfate ions inhibits infrared transparency,
Addition of fluorosulfate does not cause any of these adverse effects.
図は本発明における３ ｍｍ厚のガラス（ただしフルオ
ロ硫酸塩５モル％）と、該カラスにおいてそのフルオロ
硫酸塩を硫酸イオン（２モル％）に代えた比較例のガラ
スにつき、これらの赤外線吸収特性を測定した結果であ
り、この図で明らかなように本発明のカラス（イ）は比
較例（ロ）のカラスよりも赤外線透過性が優れている。The figure shows the infrared absorption characteristics of a 3 mm thick glass according to the present invention (5 mol% fluorosulfate) and a glass of a comparative example in which the fluorosulfate was replaced with sulfate ions (2 mol%). As is clear from this figure, the crow of the present invention (a) has better infrared transmittance than the crow of the comparative example (b).
本発明の場合、所定のガラスを作成する際、その原材料
中にフルオロ硫酸塩を添加するか、このフルオロ硫＃塩
を形成するカチオンの種類はあまり重要でなく、添加に
際しては赤外線透過性を妨けることのないよう、しかも
ガラス中に可溶な塩の彫とする。In the case of the present invention, when creating a given glass, whether fluorosulfate is added to the raw material or the type of cation that forms this fluorosulfate is not very important; The engraving is made of salt that is soluble in the glass so that it will not come off.
フルオロ硫酸塩としては、フルオロ硫酸塩ナトルウム（
Ｎ ａ Ｓ ０３Ｆ）、フルオロ硫酸セシウムなどのア
ルカリ金属塩やフルオロ硫酸バリウムなどのアルカリ土
類金属塩などがあげられる。Fluorosulfate includes sodium fluorosulfate (
N a S 03F), alkali metal salts such as cesium fluorosulfate, and alkaline earth metal salts such as barium fluorosulfate.
本発明においてフルオロ硫酸塩の量を０．１〜５箪ル２
とした理由は、０．１モル％を下回るフルオロ硫酸塩で
は光散乱現象に対する抑制効果が不充分となり、５モル
％を上回るフルオロ硫酸塩ではガラスの熱的安定性に低
下傾向がみられるからである。In the present invention, the amount of fluorosulfate is 0.1 to 5 cm2.
The reason for this is that if the fluorosulfate is less than 0.1 mol%, the suppressing effect on the light scattering phenomenon will be insufficient, and if the fluorosulfate is more than 5 mol%, the thermal stability of the glass will tend to decrease. be.
次に実施例について説明する。Next, an example will be described.
実施偶
弗化ジルコニウム、弗化バリウム、弗化ランタン、弗化
アルミニウム、フルオロ硫酸ナトリウムを原料とし、白
金ルツボを用いて別表のと゛とき組成の各種ガラスを作
製した。EXAMPLE Various glasses having the compositions shown in the attached table were prepared using zirconium fluoride, barium fluoride, lanthanum fluoride, aluminum fluoride, and sodium fluorosulfate as raw materials in a platinum crucible.
これら実施例での各ガラスは熱的に安定していて大きな
塊のカラスが作成でき、結晶化を来たすことなく光ファ
イバに加工することができた。Each of the glasses in these Examples was thermally stable, and large lumps of glass could be made and processed into optical fibers without crystallization.
もちろん光散乱め傾向はみられず、赤外線吸収のピーク
もみられなかった。Of course, no tendency toward light scattering was observed, and no infrared absorption peak was observed.
以上説明した通り、本発明に係る赤外線透過ガラスは赤
外線透過性、熱的安定性、光散乱の現象などにつき、優
れた光学的特性を有し、したがって赤外線用光学部品、
赤外線伝送用材料として好適なものとなる。As explained above, the infrared transmitting glass according to the present invention has excellent optical properties in terms of infrared transmittance, thermal stability, light scattering phenomenon, etc., and therefore can be used as an infrared optical component.
This makes it suitable as a material for infrared transmission.
【 【[ [
図−面は１本発明ガラスとその比較例との赤外線透過特
性を示す説明図である。
特許出願人
工業技術院長 用印卆ネ叶
液長（／Ｉｆｎ）Figure 1 is an explanatory diagram showing the infrared transmission characteristics of the glass of the present invention and its comparative example. Patent applicant Director of the Agency of Industrial Science and Technology (/Ifn)
Claims (1)
４〜３０モル％と、弗化ナトリウム７〜２６モル％と、
弗化ランタン２〜７モル２と、弗化アルミニウム２〜６
モル％と、フルオロ硫酸塩０．１〜５モル２とからなる
赤外線透過ガラス。48-70 mol% of zirconium fluoride and 1 part of barium fluoride
4 to 30 mol%, and 7 to 26 mol% of sodium fluoride,
2 to 7 moles of lanthanum fluoride, 2 to 6 moles of aluminum fluoride
An infrared transmitting glass comprising mol % of fluorosulfate and 0.1 to 5 mol 2 of fluorosulfate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58110081A JPS605038A (en) | 1983-06-21 | 1983-06-21 | Infrared transmitting glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58110081A JPS605038A (en) | 1983-06-21 | 1983-06-21 | Infrared transmitting glass |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS605038A true JPS605038A (en) | 1985-01-11 |
| JPS6311296B2 JPS6311296B2 (en) | 1988-03-14 |
Family
ID=14526548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58110081A Granted JPS605038A (en) | 1983-06-21 | 1983-06-21 | Infrared transmitting glass |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS605038A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100389086C (en) * | 2005-05-11 | 2008-05-21 | 浙江大学 | Rare earth-doped transparent oxyfluoride glass ceramics and preparation method thereof |
-
1983
- 1983-06-21 JP JP58110081A patent/JPS605038A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100389086C (en) * | 2005-05-11 | 2008-05-21 | 浙江大学 | Rare earth-doped transparent oxyfluoride glass ceramics and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6311296B2 (en) | 1988-03-14 |
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