CN101215081B - Optical glass with negative anomalous dispersion - Google Patents
Optical glass with negative anomalous dispersion Download PDFInfo
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- CN101215081B CN101215081B CN 200710051219 CN200710051219A CN101215081B CN 101215081 B CN101215081 B CN 101215081B CN 200710051219 CN200710051219 CN 200710051219 CN 200710051219 A CN200710051219 A CN 200710051219A CN 101215081 B CN101215081 B CN 101215081B
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- anomalous dispersion
- glass
- mgo
- refractive index
- optical glass
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- Expired - Fee Related
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- 239000006185 dispersion Substances 0.000 title claims abstract description 41
- 230000002547 anomalous effect Effects 0.000 title claims abstract description 36
- 239000005304 optical glass Substances 0.000 title abstract 4
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims abstract 3
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 15
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 14
- 230000003287 optical effect Effects 0.000 abstract description 18
- 239000000203 mixture Substances 0.000 abstract description 10
- 238000001228 spectrum Methods 0.000 abstract description 4
- 229910052593 corundum Inorganic materials 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 abstract 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 abstract 2
- ZKATWMILCYLAPD-UHFFFAOYSA-N niobium pentoxide Chemical compound O=[Nb](=O)O[Nb](=O)=O ZKATWMILCYLAPD-UHFFFAOYSA-N 0.000 abstract 2
- 229910011255 B2O3 Inorganic materials 0.000 abstract 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 1
- GHPGOEFPKIHBNM-UHFFFAOYSA-N antimony(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Sb+3].[Sb+3] GHPGOEFPKIHBNM-UHFFFAOYSA-N 0.000 abstract 1
- 229910052681 coesite Inorganic materials 0.000 abstract 1
- 229910052906 cristobalite Inorganic materials 0.000 abstract 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 abstract 1
- NOTVAPJNGZMVSD-UHFFFAOYSA-N potassium monoxide Inorganic materials [K]O[K] NOTVAPJNGZMVSD-UHFFFAOYSA-N 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 229910052682 stishovite Inorganic materials 0.000 abstract 1
- PBCFLUZVCVVTBY-UHFFFAOYSA-N tantalum pentoxide Inorganic materials O=[Ta](=O)O[Ta](=O)=O PBCFLUZVCVVTBY-UHFFFAOYSA-N 0.000 abstract 1
- 229910052905 tridymite Inorganic materials 0.000 abstract 1
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract 1
- 239000011521 glass Substances 0.000 description 38
- 230000000052 comparative effect Effects 0.000 description 4
- 239000000470 constituent Substances 0.000 description 3
- 229910005793 GeO 2 Inorganic materials 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 2
- 229910052785 arsenic Inorganic materials 0.000 description 2
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052758 niobium Inorganic materials 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052715 tantalum Inorganic materials 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 239000010431 corundum Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000004031 devitrification Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000001915 proofreading effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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Abstract
The present invention relates to an optical glass equipped with negatively anomalous dispersion, which belongs to the technical field of optical glass equipped with negatively anomalous dispersion and high refractive index, and resolves the problem of larger abbe coefficient and lower refractive index of the existing optical glass. The invention is composed of the following components, Sb2O3, SiO2, B2O3, Al2O3, Ta2O5, K2O, Na2O, Nb2O5, TiO2, MgO and ZrO2, wherein the contents of the above components are respectively 50-75%, 5-10%, 8-15%, 0-5%, 0-5%, 0-5%, 0-5%, 1-10%, 0-10%, 0-10%, 0-5%. The invention is equipped with bigger negatively anomalous dispersion value (PgF), high refractive index (nd) and smaller abbe coefficient (vd), wherein the refractive index value is with the range of 1.78-1.81, the abbe coefficient is with the range of 23-25, the negatively anomalous dispersion is an optical constant with the range of 0.598-0.612, and the invention is equipped with the effect of correcting the second order spectrum, perfect stability, and has no harmful compositions as plumbum, arsenium and the like, and no high price oxide .
Description
Technical field
The present invention relates to a kind of opticglass with bigger negative anomalous dispersion value.
Background technology
In optical lens system, in conjunction with two types of opticglass,, also can eliminate the aberration of two kinds of color of light usually even without big abnormal dispersion glass with different Abbs.Yet, also there is the remaining aberration (secondary spectrum) of expression second spectrographic about the light of other color.When the design optical lens system, wish to proofread and correct or to eliminate secondary spectrum.The optical lens that will have a big positive anomalous dispersion combines with the optical lens with negative anomalous dispersion and reaches this purpose.
Also do not find to have this high refractive index and negative anomalous dispersion glass in the art at present.Disclosed one group of SiO in Japanese Patent 48-74516 with negative anomalous dispersion
2-B
2O
3-Al
2O
3-PbO-Sb
2O
3Glass, but high refractive index and little Abb do not possessed, also containing a large amount of objectionable constituent PbO simultaneously, this will bring the pollution to environment.For a kind of glass that does not contain PbO and have negative anomalous dispersion, remove in disclosed a kind of abnormal dispersion glass in the early stage patent 2137748 of Germany and contain B
2O
3, Sb
2O
3, Li
2Outside the O, also contain GeO simultaneously
2, Ta
2O
5Etc. expensive oxide compound, this glass is uneconomic on making.
Summary of the invention
The purpose of this invention is to provide a kind of as the used opticglass of special optical system.Has bigger negative anomalous dispersion (P
G, F) opticglass in 0.582～0.603 scope, refractive index value (n
d) in 1.75～1.83 scopes, Abb (ν
d) optical constant in 23～27 scopes.Have stability and little crystallization tendency preferably, can be applicable in the PCD optical lens system scope.And objectionable constituent such as not leaded and arsenic and do not contain expensive GeO
2
Technical scheme of the present invention is that opticglass is made up of following weight percent:
Sb
2O
3 50～75％，
SiO
2 5～10％，
B
2O
3 8～15％，
Al
2O
3 0～5％，
Ta
2O
5 0～5％，
K
2O 0～5％，
Na
2O 0～5％，
Nb
2O
5 1～10％，
TiO
2 0～10％，
MgO 0～10％，
ZrO
2 0～5％，
13≤∑(SiO
2，B
2O
3)≤20％，
2≤∑(Na
2O，K
2O)≤5％，
∑(TiO
2，MgO，ZrO
2)≤20％。
The optimum weight percent of said opticglass is in the technical solution of the present invention:
Sb
2O
3：68～72％，SiO
2：6～9％，B
2O
3：8～12％，
Al
2O
3：0～4％，Ta
2O
5：0～4％，K
2O：1～5％，
Na
2O：0～4％，Nb
2O
5：1～8％，TiO
2：0～8％，
MgO：0～6％，ZrO
2：0～3％，13≤∑(SiO
2，B
2O
3)≤17％，
2≤∑(Na
2O，K
2O)≤5％，
∑(TiO
2，MgO，ZrO
2)≤15％。
The optimum weight percent of said opticglass is in the technical solution of the present invention:
Sb
2O
3：70～73％，SiO
2 ：6～8％，B
2O
3：9～11％，
Al
2O
3：1～2％，Ta
2O
5：0～2％，K
2O：0～2％，
Na
2O：0～2％，Nb
2O
5：1～4％，TiO
2：0～2％，
MgO：0～5％，ZrO
2：0～2％，14≤∑(SiO
2，B
2O
3)≤16％，
2≤∑(Na
2O，K
2O)≤4％，
∑(TiO
2，MgO，ZrO
2)≤10％。
Said ∑ (Na in the technical solution of the present invention
2O, K
2O) following is limited to 2.5%.
Said ∑ (TiO in the technical solution of the present invention
2, MgO, ZrO
2) on be limited to 8.0%.
Said ∑ (TiO in the technical solution of the present invention
2, MgO, ZrO
2) be limited to 6.0% down.
Opticglass in this compositing range has big negative anomalous dispersion, wherein anomalous dispersion (P
G, F) in 0.582～0.603 scope, the refractive index value (n that this glass had
d) in 1.75～1.83 scopes and Abb (ν
d) in 23～27 scope, and oxious component and expensive GeO such as not leaded and arsenic
2Glass of the present invention also has the favorable manufacturability energy except that satisfying required optical characteristics and can proofreading and correct effectively the secondary spectrum, is suitable for producing in batches.
Description of drawings
Fig. 1 is the coordinate diagram of expression chromatic dispersion and Abbe number.
Embodiment
Expression anomalous dispersion P
G, FFollowing column count formula obtains
P
g，F＝(n
g-n
F)/(n
F-n
c)
In Fig. 1, ordinate zou is represented relative partial dispersion (P
G, F) and X-coordinate represent Abb (ν
d), select two kinds of different P
G, FAnd ν
dEspecial dispersion glass.(two kinds of glass are produced by light company of Hubei Xinhua).
Table 1
| The trade mark | P g，F | ν d |
| F 4 | 0.605 | 36.35 |
| K 9 | 0.538 | 64.07 |
These two kinds of glass coordinate (P by black mark in the straight line a interface chart
G, F, ν
d).This straight line is up and down the coordinate (P that compares glass
G, F, ν
d) point.
Mensuration through to experimental result after calculating, obtains P
G, FValue is under the situation of negative value, i.e. glass coordinate (P in the drawings
G, F, ν
d) be positioned under a line, this glass has negative anomalous dispersion.At P
G, FValue on the occasion of situation under, i.e. glass coordinate (P in the drawings
G, F, ν
d) be positioned on a line, this glass has positive anomalous dispersion.At Abb (ν
d) on the approaching point, P
G, FAbsolute value is 0.04.Therefore this glass has bigger negative anomalous dispersion character.
SiO
2Be the generation body of glass, SiO
2Content is lower than 5% will can not get glass stably, and content surpasses 10%, is difficult to obtain desired optical constant.
B
2O
3Also be the main component that glass generates body, and also be very important, B as the composition that increases negative anomalous dispersion
2O
3Content is lower than 5%, is difficult to form stable glass, surpasses 15% as content, is difficult to obtain desired optical constant.
TiO
2Composition is the important component that improves optical constant, TiO
2Content surpasses 10%, and the glass tendency towards devitrification increases, and glass coloring is deepened.
Nb
2O
5Be the essential composition that improves optical constant, Nb
2O
5Content is lower than 1%, is difficult to obtain desirable optical constant, if content surpasses 10%, then negative anomalous dispersion reduces.
Ta
2O
5Composition is effectively to improving specific refractory power and negative anomalous dispersion, is lower than 2% as content, to increasing the negative anomalous dispersion DeGrain.
For enlarging the glass formation range and improving the glass melting performance, introduce Na
2O, K
2The O composition is not less than 2% Na
2O and K
2O can enlarge glass formation range, will degenerate and surpass 5% stability, and be difficult to reach desirable optical constant.
ZrO
2Composition is effectively to improving stability, glass and chemical stability, is lower than 1% as content, can not obtain enough effects.
MgO is that effectively its content is no more than 10% and is advisable, otherwise is difficult to reach desired optical constant to improving negative anomalous dispersion.
For improving stability, glass and chemical stability, add Al
2O
3Composition, but its introducing amount should be controlled in 5%.
Sb
2O
3At Sb
2O
3-SiO
2-B
2O
3-Al
2O
3Be glass-former in the glass, this composition can obviously increase negative anomalous dispersion, is lower than 50% as content, can not get desired optical constant, surpasses 75% as content, and stability, glass and processing performance degenerate.
Embodiment
Table 2 has been represented a kind of opticglass of the present invention with negative anomalous dispersion, the existing SiO of embodiment (NO.1 to NO.4) in the table 2
2-R
2O-PbO-TiO
2Optical constant (the n of comparative example of glass (a number to c number) and glass
d, ν
d), anomalous dispersion (P
G, F).At P
G, F-ν
dIn the diagram, indicate the P of embodiment 1～4 and comparative example a～c glass with numbering
G, FAnd ν
dCoordinate.
Table 2
Shown in example table 2 and the figure, embodiment 1～4 glass is compared with comparative example a～c, has bigger negative anomalous dispersion P
G, F, its absolute value is greater than the absolute value of comparative example a～c glass.
For making embodiment 1～4 glass, raw materials such as various oxide compounds, carbonate, nitrate are prepared, and according to the pre-arcing characterisitics of glass, adopt a kind of special device in platinum crucible, corundum crucible, under 1150 ℃～1300 ℃ temperature, to change material, stirring and homogenizing respectively, reduce to the temperature that is suitable for moulding then, casting promptly obtains above-mentioned opticglass through annealing.
As previously mentioned, having negative anomalous dispersion opticglass of the present invention is specific composition Sb
2O
3-SiO
2-B
2O
3-MgO glass has optical constant in scope of design and bigger negative anomalous dispersion value.Opticglass of the present invention does not contain PbO or As
2O
3Etc. objectionable constituent with do not contain expensive GeO
2
Claims (6)
1. opticglass with negative anomalous dispersion is characterized in that being made up of following weight percent:
Sb
2O
3 50～75％，
SiO
2 5～10％，
B
2O
3 8～15％，
Al
2O
3 0～5％，
Ta
2O
5 0～5％，
K
2O 0～5％，
Na
2O 0～5％，
Nb
2O
5 1～10％，
TiO
2 0～10％，
MgO 0～10％，
ZrO
2 0～5％，
13≤∑(SiO
2，B
2O
3)≤20％，
2≤∑(Na2O，K2O)≤5％
∑(TiO
2，MgO，ZrO
2)≤20％。
2. the opticglass with negative anomalous dispersion according to claim 1 is characterized in that: the optimum weight percent of described opticglass is:
Sb
2O
3 68～72％，
SiO
2 6～9％，
B
2O
3 8～12％，
Al
2O
3 0～4％，
Ta
2O
5 0～4％，
K
2O 1～5％，
Na
2O 0～4％，
Nb
2O
5 1～8％，
TiO
2 0～8％，
MgO 0～6％，
ZrO
2 0～3％，
13≤∑(SiO
2，B
2O
3)≤17％，
2≤∑(Na2O，K2O)≤5％，
∑(TiO
2，MgO，ZrO
2)≤15％。
3. the opticglass with negative anomalous dispersion according to claim 1 is characterized in that: the optimum weight percent of described opticglass is:
Sb
2O
3 70～73％，
SiO
2 6～8％，
B
2O
3 9～11％，
Al
2O
3 1～2％，
Ta
2O
5 0～2％，
K
2O 0～2％，
Na
2O 0～2％，
Nb
2O
5 1～4％，
TiO
2 0～2％，
MgO 0～5％，
ZrO
2 0～2％，
14≤∑(SiO
2，B
2O
3)≤16％，
2≤∑(Na
2O，K
2O)≤4％，
∑(TiO
2，MgO，ZrO
2)≤10％。
4. according to claim 1,2 or 3 described opticglass, it is characterized in that: described ∑ (Na with negative anomalous dispersion
2O, K
2O) following is limited to 2.5%
5. according to claim 1,2 or 3 described opticglass, it is characterized in that: described ∑ (TiO with negative anomalous dispersion
2, MgO, ZrO
2) on be limited to 8.0%.
6. according to claim 1,2 or 3 described opticglass, it is characterized in that: described ∑ (TiO with negative anomalous dispersion
2, MgO, ZrO
2) be limited to 6.0% down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710051219 CN101215081B (en) | 2007-01-06 | 2007-01-06 | Optical glass with negative anomalous dispersion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710051219 CN101215081B (en) | 2007-01-06 | 2007-01-06 | Optical glass with negative anomalous dispersion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101215081A CN101215081A (en) | 2008-07-09 |
| CN101215081B true CN101215081B (en) | 2011-11-23 |
Family
ID=39621602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710051219 Expired - Fee Related CN101215081B (en) | 2007-01-06 | 2007-01-06 | Optical glass with negative anomalous dispersion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101215081B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104909559B (en) * | 2014-03-13 | 2019-07-09 | 成都光明光电股份有限公司 | Optical glass and optical element with negative abnormal dispersion |
| CN104639688B (en) * | 2015-02-02 | 2018-07-24 | 青岛歌尔声学科技有限公司 | A kind of mobile phone full shot |
| CN105712625A (en) * | 2016-02-14 | 2016-06-29 | 中国科学院上海光学精密机械研究所 | Environment-friendly high-refractive index optical glass for compression molding |
| CN107555785B (en) * | 2017-09-27 | 2020-06-02 | 湖北新华光信息材料有限公司 | Environment-friendly barite flint optical glass and preparation method thereof and optical element |
-
2007
- 2007-01-06 CN CN 200710051219 patent/CN101215081B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN101215081A (en) | 2008-07-09 |
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Application publication date: 20080709 Assignee: Huaguang small original optical material (Xiangyang) Co., Ltd. Assignor: Hubei New Huaguang Information Materials Co., Ltd. Contract record no.: 2012420000158 Denomination of invention: Optical glass with negative anomalous dispersion Granted publication date: 20111123 License type: Exclusive License Record date: 20120929 |
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