CN109626821A - Fluorphosphate glass, gas preform, optical element and the optical instrument with it - Google Patents
Fluorphosphate glass, gas preform, optical element and the optical instrument with it Download PDFInfo
- Publication number
- CN109626821A CN109626821A CN201910074753.XA CN201910074753A CN109626821A CN 109626821 A CN109626821 A CN 109626821A CN 201910074753 A CN201910074753 A CN 201910074753A CN 109626821 A CN109626821 A CN 109626821A
- Authority
- CN
- China
- Prior art keywords
- mole
- glass
- moles
- fluorphosphate glass
- fluorphosphate
- 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
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
- C03C3/00—Glass compositions
- C03C3/12—Silica-free oxide glass compositions
- C03C3/23—Silica-free oxide glass compositions containing halogen and at least one oxide, e.g. oxide of boron
- C03C3/247—Silica-free oxide glass compositions containing halogen and at least one oxide, e.g. oxide of boron containing fluorine and phosphorus
-
- 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
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/11—Glass compositions containing silica with 40% to 90% silica, by weight containing halogen or nitrogen
- C03C3/112—Glass compositions containing silica with 40% to 90% silica, by weight containing halogen or nitrogen containing fluorine
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
Landscapes
- Chemical & Material Sciences (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)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Glass Compositions (AREA)
Abstract
The invention discloses a kind of fluorphosphate glass, gas preform, optical elements and with its optical instrument.Wherein, fluorphosphate glass includes: cation and anion, the cation include: the P of 20~40 moles of %5+；The Al of 5~25 moles of %3+；The Ba of 5~20 moles of %2+；The Li of 15~35 moles of %+；The Na of 1~15 mole of %+；The Y of 0~8 mole of %3+；The Zn of 0~15 mole of %2+, the anion includes: the F of 25~45 moles of %‑；The O of 55~75 moles of %2‑, wherein n (Y3++Al3+)/n(Zn2++Ba2++P5+) it is not less than 0.27.For the refractive index of the fluorphosphate glass 1.50~1.55, Abbe number is not less than 70, and has excellent optical property etc., colourless and be easy to be molded, to meet market needs.
Description
Technical field
The invention belongs to fluorphosphate glass technical fields, specifically, the present invention relates to fluorphosphate glass, glass are pre-
Product, optical element and the optical instrument with it.
Background technique
Fluorphosphate glass has low refractive low dispersive and to obtain higher light in the width range of visibility region saturating
Penetrate the properties such as rate, can directly precise compression molding advanced non-spherical lens is made, can be with other glass shapes in optical system
At lens be combined, preferably eliminate second order spectrum especial dispersion, improve resolution ratio, hence it is evident that improve optical system picture element,
Therefore it is low not less than 70 low-refraction in 1.50~1.55, Abbe number vd with very high demand, especially refractive index nd
Dispersion and the colourless fluorophosphate optical glass for being easy to molding with lower softening point, the market demand are larger.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, of the invention
One purpose is to propose a kind of fluorphosphate glass, gas preform, optical element and the optical instrument with it, the fluorine phosphorus
For the refractive index of silicate glass 1.50~1.55, Abbe number is not less than 70, and has excellent optical property etc., colourless and easy
In molding, to meet market needs.
In one aspect of the invention, the invention proposes a kind of fluorphosphate glasses.According to an embodiment of the invention, institute
Stating fluorphosphate glass includes: cation and anion, wherein the cation includes: the P of 20~40 moles of %5+；5~25
The Al of mole %3+；The Ba of 5~20 moles of %2+；The Li of 15~35 moles of %+；The Na of 1~15 mole of %+；0~8 mole of %'s
Y3+；The Zn of 0~15 mole of %2+, the anion includes: the F of 25~45 moles of %-；The O of 55~75 moles of %2-, whereinNot less than 0.27.
Inventors have found that by controlling the usage ratio between its component, content and specific components, so that fluorine of the invention
For the refractive index of phosphate glass 1.50~1.55, Abbe number is not less than 70, and has excellent optical property etc., it is colourless and
It is easy to be molded, to meet market needs.
In addition, fluorphosphate glass according to the above embodiment of the present invention can also have the following additional technical features:
In some embodiments of the invention, cation described in above-mentioned fluorphosphate glass composition includes: 25~35 to rub
The P of your %5+；And/or the Al of 10~22 moles of %3+；And/or the Ba of 6~15 moles of %2+；And/or the Li of 18~30 moles of %+；And/or the Na of 3~12 moles of %+；And/or the Y of 0~5 mole of %3+；And/or the Zn of 0~10 mole of %2+.Thus, it is possible to protect
The fluorphosphate glass is demonstrate,proved with excellent performance.
In some embodiments of the invention, cation described in above-mentioned fluorphosphate glass composition rubs including 28~33
The P of your %5+；And/or the Al of 12~20 moles of %3+；And/or the Ba of 8~13 moles of %2+；And/or the Li of 20~26 moles of %+；And/or the Na of 5~9 moles of %+；And/or the Y of 0~3 mole of %3+；And/or the Zn of 0~7 mole of %2+.Thus, it is possible to guarantee
The fluorphosphate glass has excellent performance.
In some embodiments of the invention, anion described in above-mentioned fluorphosphate glass composition includes: 30~40 to rub
The F of your %-；And/or the O of 60~70 moles of %2-.Thus, it is possible to guarantee that the fluorphosphate glass has excellent performance.
In some embodiments of the invention, anion described in above-mentioned fluorphosphate glass composition includes: 33~38 to rub
The F of your %-；And/or the O of 62~67 moles of %2-.Thus, it is possible to guarantee that the fluorphosphate glass has excellent performance.
In some embodiments of the invention, in above-mentioned fluorphosphate glass composition,
=0.27~0.54.Thus, it is possible to guarantee that the fluorphosphate glass has excellent performance.
In some embodiments of the invention, in above-mentioned fluorphosphate glass composition,
=0.26~0.8, preferably 0.26~0.6, more preferable 0.26~0.53.Thus, it is possible to which it is excellent to guarantee that the fluorphosphate glass has
Different performance.
In some embodiments of the invention, in above-mentioned fluorphosphate glass composition,
No more than 1.465, preferably no greater than 1.42, more preferable 0.97~1.415.Thus, it is possible to guarantee that the fluorphosphate glass has
Excellent performance.
In some embodiments of the invention, in above-mentioned fluorphosphate glass composition,
It is preferred that 0.13~0.71, more preferable 0.21~0.52.Thus, it is possible to guarantee that the fluorphosphate glass has excellent performance.
In some embodiments of the invention, cation described in above-mentioned fluorphosphate glass composition further comprises: 0~
The Ca of 15 moles of %2+；And/or the Sr of 0~10 mole of %2+.Thus, it is possible to guarantee that the fluorphosphate glass has excellent property
Energy.
In some embodiments of the invention, cation described in above-mentioned fluorphosphate glass composition further comprises: 1~
The Ca of 10 moles of %2+；And/or the Sr of 0.5~8 mole of %2+.Thus, it is possible to guarantee that the fluorphosphate glass has excellent property
Energy.
In some embodiments of the invention, cation described in above-mentioned fluorphosphate glass composition further comprises: 3~
The Ca of 7 moles of %2+；And/or the Sr of 0.5~5 mole of %2+.Thus, it is possible to guarantee that the fluorphosphate glass has excellent property
Energy.
In some embodiments of the invention, in above-mentioned fluorphosphate glass composition,
Not higher than 0.9, preferably no greater than 0.75.Thus, it is possible to guarantee that the fluorphosphate glass has excellent performance.
In some embodiments of the invention, in above-mentioned fluorphosphate glass composition,
Not less than 0.9, preferably 0.92~3, more preferable 0.92~1.49.Thus, it is possible to which it is excellent to guarantee that the fluorphosphate glass has
Performance.
In some embodiments of the invention, in above-mentioned fluorphosphate glass composition,
Not higher than 1.9, preferably no greater than 1.75, more preferable 0.35~0.84.Thus, it is possible to which it is excellent to guarantee that the fluorphosphate glass has
Performance.
In some embodiments of the invention, cation described in above-mentioned fluorphosphate glass composition further comprises: 0~
The Mg of 15 moles of %2+；And/or the K of 0~10 mole of %+；And/or the La of 0~5 mole of %3+；And/or the Gd of 0~5 mole of %3 +；And/or the B of 0~5 mole of %3+；And/or the Si of 0~5 mole of %4+；And/or the Zr of 0~5 mole of %4+；And/or 0~8 rub
The Ti of your %4+、Nb5+、W6+And Bi3+Summation；And/or the Yb of 0~5 mole of %3+；And/or the Ta of 0~5 mole of %5+: and/or 0
The Ge of~5 moles of %4+.Thus, it is possible to guarantee that the fluorphosphate glass has excellent performance.
In some embodiments of the invention, cation described in above-mentioned fluorphosphate glass composition further comprises: 0~
The Mg of 10 moles of %2+；And/or the K of 0~5 mole of %+；And/or the La of 0~3 mole of %3+；And/or the Gd of 0~3 mole of %3+；
And/or the B of 0~2 mole of %3+；And/or the Si of 0~3 mole of %4+；And/or the Zr of 0~3 mole of %4+；And/or 0~5 rub
The Ti of your %4+、Nb5+、W6+And Bi3+Summation；The Yb of 0~3 mole of %3+；And/or the Ta of 0~3 mole of %5+；And/or 0~3 rub
The Ge of your %4+.Thus, it is possible to guarantee that the fluorphosphate glass has excellent performance.
In some embodiments of the invention, above-mentioned fluorphosphate glass refractive index be 1.50~1.55, preferably 1.51~
1.54, Abbe number is 70~76, preferably 70~75.
In some embodiments of the invention, the transition temperature of above-mentioned fluorphosphate glass is not higher than 400 degrees Celsius, preferably
Not higher than 390 degrees Celsius, more preferably no higher than 380 degrees Celsius；λ80No more than 350nm, preferably no greater than 345nm, λ5It is not more than
300nm, preferably no greater than 295nm；Weatherability is not less than 3 grades, preferably not less than 2 grades, more desirably not less than 1 grade.
In some embodiments of the invention, the density of above-mentioned fluorphosphate glass is not higher than 3.5g/cm3, preferably not high
In 3.45g/cm3, more preferably no higher than 3.4g/cm3；Acid resistance is not less than 3 grades, preferably not less than 2 grades, more desirably not less than 1
Grade.
In another aspect of the invention, the invention proposes a kind of gas preforms.According to an embodiment of the invention, institute
Gas preform is stated to be made of above-mentioned fluorphosphate glass.
In the third aspect of the invention, the invention proposes a kind of optical elements.According to an embodiment of the invention, described
Optical element is made of above-mentioned fluorphosphate glass or above-mentioned gas preform.
In the fourth aspect of the invention, the invention proposes a kind of optical instruments.According to an embodiment of the invention, described
Optical instrument has above-mentioned optical element.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Specific embodiment
The embodiment of the present invention is described below in detail, the embodiments described below is exemplary, it is intended to for explaining this
Invention, and be not considered as limiting the invention.
Unless in particular situations it is further noted that numberical range listed herein includes upper limit value and lower limit value, " with
On " and " following " include endpoint value, all integers and score in the range, and be not limited to tool listed when limited range
Body value.Herein referred "and/or" is inclusive, such as " A and/or B ", refers to only A, perhaps only B or has A simultaneously
And B.
It should be noted that the ioni valence of each ingredient described below be for convenience and the typical value that uses, with other
Ioni valence be not different.A possibility that ioni valence of each component is there are other than typical value in optical glass.For example, P usually with
Ioni valence is present in glass for the state of+5 valences, therefore in the present invention with " P5+" it is used as typical value, but exist with other
Ioni valence state there are a possibility that, this is also within protection scope of the present invention.
In one aspect of the invention, the invention proposes a kind of fluorphosphate glasses.According to an embodiment of the invention, institute
Stating fluorphosphate glass includes: cation and anion, wherein the cation includes: the P of 20~40 moles of %5+；5~25
The Al of mole %3+；The Ba of 5~20 moles of %2+；The Li of 15~35 moles of %+；The Na of 1~15 mole of %+；0~8 mole of %'s
Y3+；The Zn of 0~15 mole of %2+, the anion includes: the F of 25~45 moles of %-；The O of 55~75 moles of %2-, whereinNot less than 0.27.It should be noted that in cation component molar % be the cation and
The ratio of all cation total mole numbers, similarly component molar % is the anion and all anion total mole numbers in anion
Ratio.
Glass ingredient:
P5+It is the important essential component to play a role in glass as network structure.When its introduction volume is rubbed lower than 20
When your %, stability, glass is reduced, and tendency towards devitrification increases, but when its introduction volume is higher than 40 moles of %, is unable to satisfy scheduled
Optical property.Therefore, P of the invention5+Content be 20~40 moles of %, preferably P5+Content be 25~35 moles of %, it is more excellent
Select 28~33 moles of %.
Al3+It is in fluorphosphate glass for improving the important component of stability.When its introduction volume is lower than 5 moles of %
When, stability, glass is lower, but when its introduction volume is higher than 25 moles of %, glass transformation temperature and crystallization ceiling temperature rise higher
Height causes forming temperature to increase.Therefore, Al of the invention3+Content be 5~25 moles of %, preferably Al3+Content be 10~
22 moles of %, more preferable 12~20 moles of %.
Ba2+The refractive index of glass can be improved.Work when its introduction volume is lower than 5 moles of %, to the refractive index for adjusting glass
With unobvious, but when its introduction volume is higher than 20 moles of %, the chemical stability and thermal stability of glass are all sharply deteriorated, glass
Specific gravity becomes larger.Therefore, Ba of the invention2+Content be 5~20 moles of %, preferably Ba2+Content be 6~15 moles of %, it is more excellent
Select 8~13 moles of %.
Li+Glass transformation temperature can be reduced without damaging stability, glass.When its introduction volume is lower than 15 moles of %, to drop
The effect of low glass transformation temperature is insufficient, but when its introduction volume is higher than 35 moles of %, the stability of glass is reduced, and glass
The poor processability of glass.Therefore, Li of the invention+Content be 15~35 moles of %, preferably Li+Content be 18~30 to rub
You are %, more preferable 20~26 moles of %.
Na+The meltbility, devitrification resistance and the transmitance for improving visible light region of glass can be improved.When its introduction volume is lower than
When 1 mole of %, the effect for improving glass melting, devitrification resistance and raising visible light region transmitance is unobvious, but works as it
When introduction volume is higher than 15 moles of %, the stability of glass is reduced.Therefore, Na of the invention+Content be 1~15 mole of %, it is excellent
Select 3~12 moles of %, more preferable 5~9 moles of %.
Y3+The stability of glass can be improved.When its introduction volume is higher than 8 moles of %, so that stability, glass is deteriorated, and
Glass transformation temperature also significantly increases.Therefore, Y of the invention3+Content be 0~8 mole of %, preferably Y3+Content be 0~
5 moles of %, more preferable 0~3 mole of %.
Zn2+The devitrification resistance, stability and processability of glass can be improved.When its introduction volume is higher than 15 moles of %, so that glass
The devitrification resistance of glass is remarkably decreased instead.Therefore, Zn of the invention2+Content be 0~15 mole of %, preferably Zn2+Content be
0~10 mole of %, more preferable 0~7 mole of %.
F-The fusing point of glass can be reduced and improve the weatherability of glass.When its introduction volume is lower than 25 moles of %, glass
Weatherability deteriorates, but when its introduction volume is higher than 45 moles of %, and glass volatility in fusion process increases, and glass loss increases
Greatly, refractive index performance is also deteriorated.Therefore, F of the invention-Content be 25~45 moles of %, preferably F-Content be 30~40 to rub
You are %, more preferable 33~38 moles of %.
O2-It is the necessary component of glass network structure, stability, glass can be improved, inhibit the devitrification of glass, reduces abrasion
Degree.When its introduction volume is lower than 55 moles of %, inhibit the devitrification of glass and wear intensity effect unobvious, but when its introduction volume is high
When 75 moles of %, so that the viscosity of glass rises and melting temperature increases, transmitance is caused to deteriorate.Therefore, O of the invention2-
Content be 55~75 moles of %, preferably O2-Content be 60~70 moles of %, more preferable 62~67 moles of %.
Inventors have found that the fluorphosphate glass of the application require it is higher at glass stability, lower dispersion and
Transition temperature, excellent transmitance, weatherability and optical characteristics etc., and present inventor is had found by numerous studies,
Pass through Y in control glass ingredient3+And Al3+Total molal quantity and Zn2+、Ba2+And P5+The ratio between total molal quantity Not less than 0.27, synergistic effect is played between each component, so that glass is good at glass stability, is effectively reduced
Glass dispersion, transmitance are improved, and are had excellent weather resistance, and glass transformation temperature is substantially reduced, to be easy to be molded, are damaged to grinding tool
To hurt small, ensure that the service life of mold, obtained fluorphosphate glass refractive index is 1.50~1.55, Abbe number is 70~
76, transition temperature is not higher than 400 degrees Celsius, λ80No more than 350nm, λ5No more than 300nm, further preferably control glass ingredient
Middle Y3+And Al3+Total molal quantity and Zn2+、Ba2+And P5+The ratio between total molal quantity For
0.27~0.54, gained fluorphosphate glass refractive index is 1.51~1.54, and Abbe number is 70~75, and transition temperature is not higher than
390 degrees Celsius, more preferably no higher than 380 degrees Celsius, λ80No more than 345nm, λ5No more than 295nm.
Simultaneously inventor also found, the fluorphosphate glass of the application require excellent mechanical performance and devitrification,
Acid resistance and light-weighted characteristic, and the present inventor is had found by numerous studies, passes through Al in control glass ingredient3+
And Zn2+Total molal quantity and Y3+、Ba2+And P5+The ratio between total molal quantityFor 0.26~
0.8, it acts synergistically between each component, so that glass machinery performance is good, devitrification, acidproof, weather resistance are excellent and lightweight
Characteristic, while making the glass of the composition that there is excellent optical characteristics, the density of obtained fluorphosphate glass is not higher than
3.5g/cm3, for acid resistance not less than 3 grades, weatherability is not less than 3 grades, further preferably controls Al in glass ingredient3+And Zn2+Conjunction
Count molal quantity and Y3+、Ba2+And P5+The ratio between total molal quantityIt is 0.26~0.6, obtains
The density of fluorphosphate glass is not higher than 3.45g/cm3, for acid resistance not less than 2 grades, weatherability is not less than 2 grades, more preferably controls
Al in glass ingredient3+And Zn2+Total molal quantity and Y3+、Ba2+And P5+The ratio between total molal quantity It is 0.26~0.53, the density of obtained fluorphosphate glass is not higher than 3.4g/cm3, acid resistance is not less than
1 grade, weatherability is not less than 1 grade.
Further, inventor also found, pass through Ba in control glass ingredient2+And P5+Total molal quantity and Zn2+、Y3+With
P5+The sum of molal quantity ratioNo more than 1.465, act synergistically between each component, Ke Yijin
One step improve glass at glass stability, and reduce the specific gravity of glass, further preferably control Ba in glass ingredient2+And P5+
Total molal quantity and Zn2+、Y3+And P5+The sum of molal quantity ratioNo more than 1.42, more preferably
Control Ba in glass ingredient2+And P5+Total molal quantity and Zn2+、Y3+And P5+The sum of molal quantity ratio It is 0.97~1.415.
Further, inventor also found, pass through Ba in control glass ingredient2+Molal quantity and Y3+、Li+And Na+Molal quantity
The sum of ratioIt is 0.08~1.25, acts synergistically between each component, can be further improved glass
Transmitance, devitrification resistance, acid resistance and weatherability, and glass transformation temperature further decreases, preferably in control glass ingredient
Ba2+Molal quantity and Y3+、Li+And Na+The sum of molal quantity ratioIt is 0.13~0.71, more preferably controls
Ba in glass ingredient2+Molal quantity and Y3+、Li+And Na+The sum of molal quantity ratioIt is 0.21~0.52.
Still another embodiment in accordance with the present invention, cation further comprises 0~15 in above-mentioned fluorphosphate glass composition
The Ca of mole %2+And/or the Sr of 0~10 mole of %2+.Inventors have found that Ca2+And/or Sr2+Be suitably introduced into glass can be improved
The stability of glass, while the refractive index of glass is improved, work as Ca2+Introduction volume be higher than 15 moles of % when, the stability of glass is sharply
Decline, therefore, Ca of the invention2+Content be 0~15 mole of %, preferably Ca2+Content be 1~10 mole of %, more preferable 3
~7 moles of %；Work as Sr simultaneously2+Introduction volume be higher than 10 moles of % when, the stability of glass sharply declines, therefore, of the invention
Sr2+Content be 0~10 mole of %, preferably Sr2+Content be 0.5~8 mole of %, more preferable 0.5~5 mole of %.
Further, inventor also found through Ba in control glass ingredient2+And Ca2+Total molal quantity and Y3+、Li+
And Na+The sum of total molal quantity ratioNot higher than 0.9, glass can be further improved
Refractive index and reduction dispersion, and the specific gravity and transition temperature of glass are reduced, while improving the acid resistance of glass, it is further excellent
Ba in selected control glass ingredient2+And Ca2+Total molal quantity and Y3+、Li+And Na+The sum of total molal quantity ratio Not higher than 0.75.
Further, inventor also found through Li in control glass ingredient+And Na+Total molal quantity and Zn2+、Ba2+、
Sr2+And Ca2+Total molal quantity ratioNot less than 0.9, glass can be further decreased
Glass transition temperature damages mold small to be easy to be molded, and ensure that the service life of mold, and with excellent acidproof and resistance to
Characteristic is waited, Li in glass ingredient is further preferably controlled+And Na+Total molal quantity and Zn2+、Ba2+、Sr2+And Ca2+It is total to rub
That number ratioIt is 0.92~3, more preferably controls Li in glass ingredient+And Na+Conjunction
Count molal quantity and Zn2+、Ba2+、Sr2+And Ca2+Total molal quantity ratioFor 0.92~
1.49。
Further, inventor also found through Sr in control glass ingredient2+And Ba2+Total molal quantity and Al3+、Na+
And Zn2+Total molal quantity ratioNot higher than 1.9, the color of glass can be further decreased
It dissipates, and improves the optical characteristics of glass, improve devitrification resistance and acid resistance, and further realize the lightweight of glass, it is excellent
Sr in selected control glass ingredient2+And Ba2+Total molal quantity and Al3+、Na+And Zn2+Total molal quantity ratio Not higher than 1.75, more preferably control Sr2+And Ba2+Total molal quantity and Al3+、Na+And Zn2+It is total to rub
That number ratioIt is 0.35~0.84.
According to still another embodiment of the invention, cation further comprises in above-mentioned fluorphosphate glass composition: 0~15
The Mg of mole %2+；And/or the K of 0~10 mole of %+；And/or the La of 0~5 mole of %3+；And/or the Gd of 0~5 mole of %3+；
And/or the B of 0~5 mole of %3+；And/or the Si of 0~5 mole of %4+；And/or the Zr of 0~5 mole of %4+；And/or 0~8 rub
The Ti of your %4+、Nb5+、W6+And Bi3+Summation；And/or the Yb of 0~5 mole of %3+；And/or the Ta of 0~5 mole of %5+: and/or 0
The Ge of~5 moles of %4+.Inventors have found that Mg2+It can guarantee the stability of glass, but when its introduction volume is higher than 15 moles of %,
Stability, glass can be significantly reduced, therefore, Mg of the invention2+Content be 0~15 mole of %, preferably 0~10 mole of %, it is more excellent
Select 0~5 mole of %.K+It can reduce the viscosity and transition temperature of glass, but when its introduction volume is higher than 10 moles of %, will lead to glass
The stability of glass reduces.Therefore, K of the invention+Content be 0~10 mole of %, preferably 0~5 mole of % do not draw more preferably
Enter.La3+And Gd3+It can be improved the stability and refractive index of glass, but La3+And Gd3+Difference introduction volume be higher than 5 moles of %
When, the stability that will lead to glass deteriorates, while glass transformation temperature is increased, therefore, La of the invention3+Content be 0
~5 moles of %, preferably 0~3 mole of %, do not introduce more preferably, Gd3+Content be 0~5 mole of %, preferably 0~3 mole of %, more
It is preferred that not introducing.B3+It can be improved the stability of glass, but when its introduction volume is higher than 5 moles of %, since it is in melting process
In be easy with BF3Form volatilization, and therefore cause striped.Therefore, B of the invention3+Content be 0~5 mole of %, preferably 0~2
Mole %, does not introduce more preferably.Si4+The stability of glass can be improved, however, because carrying out melten glass using low temperature,
When its introduction volume is higher than 5 moles of %, the melting difficulty of glass will increase, or be melt of si4+And when improving fusion temperature, it may appear that
The volatilization of certain glass ingredients.Therefore, Si of the invention4+Content be 0~5 mole of %, preferably 0~3 mole of %, more preferably not
It introduces.Zr4+The refractive index of glass can be improved, and be able to suppress due in glass ingredient volatilization caused by glass arteries and veins
Line, but its introduction volume be higher than 5 moles of % when, the stability of glass, therefore Zr of the invention can be reduced4+Content be 0~5 to rub
You are %, and preferably 0~3 mole of % is not introduced more preferably.Ti4+、Nb5+、W6+And Bi3+It can be improved the refractive index of glass, but Ti4 +、Nb5+、W6+And Bi3+When summation is more than 8 moles of %, the stability of glass can be reduced, therefore, Ti of the invention4+、Nb5+、W6+With
Bi3+Total molal quantity is 0~8 mole of %, and preferably 0~5 mole of % is not introduced more preferably.Yb3+It is to maintain the low dispersion of glass
Property ingredient, but its introduction volume be higher than 5 moles of %, increase melting temperature, the stability of glass can also reduced.Cause
This, Yb of the invention3+Content be 0~5 mole of %, preferably 0~3 mole of % do not introduce more preferably.Ta5+Glass can be improved
Refractive index and reduce the increased devitrification resistance of glass, but when its introduction volume is higher than 5 moles of %, the stability of glass can be reduced, therefore,
Ta of the invention5+Content is 0~5 mole of %, and preferably 0~3 mole of % is not introduced more preferably.Ge4+The folding of glass can be improved
It penetrates rate and devitrification resistance, but when its introduction volume is higher than 5 moles of %, will lead to the raising of glass cost, therefore, Ge of the invention4+
Content is 0~5 mole of %, introduces 0~3 mole, does not introduce more preferably.
In the range of not damaging glass performance of the invention, its a small amount of above-mentioned not referred to can be added as needed
His ingredient, such as Lu3+、Ce4+、Te4+Deng.But V5+、Cr3+、Mn2+、Fe3+、Co2+、Ni2+、Cu2+、Ag+And Mo6+Equal transition metal
Ingredient, even if glass is also subject to coloration, the specific wavelength in visible light region in the case that independent or compound ground contains on a small quantity
Absorption is generated, to weaken the property of raising visible light transmittance effect of the invention, therefore it is desirable, especially for visible light region
The optical glass that the transmitance of wavelength requires, does not preferably include actually.
The compound of Pb, As, Th, Cd, Tl, Os, Be and Se have control to make as harmful chemical substance in recent years
Tendency not only arranges environmental protection in the manufacturing process of glass, the disposition after manufacturing procedure and commercialization
It is required for applying.Therefore, in the case where paying attention to the influence to environment, other than being inevitably mixed into, preferably actually
Without containing them.Optical glass becomes the substance for not including pollution environment actually as a result,.Therefore, though do not take it is special
Measure in environmental cure, optical glass of the invention are also able to carry out manufacture, processing and discard.
" do not include " documented by the present invention " not containing " " not introducing " " 0% " refer to not deliberately by the compound, point
Son or element etc. are added in glass of the invention as raw material；But as the raw material and/or equipment of production glass, can exist
Certain is not the impurity deliberately added or component, a small amount of or trace can be contained in final glass, such situation is also in this hair
In the protection scope of bright patent.
In the following, the performance and test method to fluorphosphate glass of the invention are illustrated.
1, degree of staining (λ80/λ5)
The shortwave transmitted spectrum characteristic degree of staining (λ of glass of the present invention80/λ5) indicate.λ80Refer to that glass transmittance reaches
Corresponding wavelength, λ when 80%5Refer to that glass transmittance reaches corresponding wavelength when 5%, wherein λ80Measurement be using having
The glass with a thickness of 10 ± 0.1mm of two parallel to each other and optical polish opposite planes, measures from 280nm to 700nm
Spectral transmission in wavelength domain and the wavelength for showing transmissivity 80%.So-called spectral transmission or transmissivity are to glass
Above-mentioned surface vertically incident intensity IinLight, project intensity I through glass and from planeoutLight in the case where lead to
Cross Iout/IinThe amount of expression, and also contain the transmissivity of the surface reflection loss on the above-mentioned surface of glass.The folding of glass
It is higher to penetrate rate, surface reflection loss is bigger.Therefore, in optical glass of the invention, λ80The small glass itself of meaning of value
Coloring is few.Optical glass transmittance of the invention reaches corresponding wavelength (λ when 80%80) it is not more than 350nm, preferably no greater than
345nm, glass transmittance reach corresponding wavelength (λ when 5%5) it is not more than 300nm, preferably no greater than 295nm.
Use the glass sample with a thickness of 10 ± 0.1mm with two optical polish planes relative to each other, measurement point
Light transmission is calculated according to its result.
2, density
The density of fluorphosphate glass be temperature be 20 DEG C when unit volume weight, unit is with g/cm3It indicates, the present invention
Fluorphosphate glass density be not higher than 3.5g/cm3, preferably no greater than 3.45g/cm3, more preferably no higher than 3.4g/cm3。
It is measured by method as defined in GB/T7962.20-2010.
3, transition temperature Tg
Fluorphosphate glass gradually can become mouldable state by solid-state in a certain temperature range.Transition temperature TgRefer to that glass tries
Sample is from room temperature to the temperature T that hangs down that speedss, low-temperature region and high-temperature area straight line portion extended line intersection intersection point corresponding to
Temperature.Transition temperature TgIt is measured by method as defined in GB/T7962.16-2010.
Transition temperature (the T of glass of the present inventiong) 400 DEG C are not higher than, preferably no greater than 390 DEG C, more preferably no higher than 380
℃。
4, refractive index and Abbe number
The refractive index nd of fluorphosphate glass of the present invention is 1.50~1.55, preferably 1.51~1.54, and Abbe number vd is not
Lower than 70, preferably 70~76, more preferably 70~75.
Refractive index and Abbe number are tested according to method as defined in GB/T7962.1-2010.
5, weatherability
By sample be placed on relative humidity be 90% saturated steam environment test box in, 40 DEG C~50 DEG C every
1h alternate cycles recycle 15 periods.Weatherability classification is divided according to the turbidity variable quantity of sample placement front and back, wherein turbidity
Refer to colouless optical glass by after atmospheric corrosion, surface generates " hickie " or " blushing " iso-metamorphism layer.The erosion of glass surface
Degree corrodes forward and backward turbidity difference by measurement sample to determine.Turbidimetry use mist degree relative error of indicating value ± 5% with
Interior turbidimeter with integrating sphere carries out.Following table is weatherability classification situation:
Fluorphosphate glass weatherability of the invention is not less than 3 grades, preferably not less than 2 grades, more desirably not less than 1 grade.
6, water-fast effect stability
For fluorphosphate glass element during manufacture and use, polished surface resists the various etching medium effects such as acid
Ability be known as the chemical stability of optical glass, depend primarily on the chemical constituent of glass, fluorophosphate glass of the invention
The water-fast effect stability D of glassW(powder method) is not less than 3 grades, preferably not less than 2 grades, more preferable 1 grade.
Water-fast effect stability D is tested by the test method of GB/T 17129W。
In the second aspect of the invention, the invention proposes a kind of gas preforms.According to an embodiment of the invention, institute
Gas preform is stated to be made of above-mentioned fluorphosphate glass.Optical precast product of the invention is with the low color of low refraction as a result,
The characteristics such as scattered, are useful on various optical elements and optical design.It is particularly preferred to by fluorphosphate glass of the invention
It sets out, the optical elements such as camera lens, prism, reflecting mirror is made using means such as precision press moldings.It should be noted that above-mentioned
It is equally applicable to the gas preform for feature and advantage described in fluorphosphate glass, details are not described herein again.
In the third aspect of the invention, the invention proposes a kind of optical elements.According to an embodiment of the invention, described
Optical element is made of above-mentioned fluorphosphate glass or above-mentioned gas preform.Optical element of the invention has as a result,
Low refractive low dispersive characteristic is capable of providing the optical elements such as various lens, the prism haveing excellent performance.For example, optics of the invention
Element can be various lens, diffraction grating, the lens with diffraction grating, lens such as spherical lens, non-spherical lens, lenticule
Array, prism etc..In addition, antireflection film can be arranged on the optical element when necessary, total reflection film, part reflectance coating, have
The optical thin films such as the film of dichroism.It should be noted that above-mentioned for described in fluorphosphate glass and gas preform
Feature and advantage are equally applicable to the optical element, and details are not described herein again.
In the fourth aspect of the invention, the invention proposes a kind of optical instruments.According to an embodiment of the invention, described
Optical instrument has above-mentioned optical element.As a result, by using the above-mentioned optics with excellent properties on the optical instrument
The customer experience of the optical instrument can be improved in element.Specifically, optical instrument of the invention can be camera, projector
The optical instrument for making visible light-transmissive in.It should be noted that above-mentioned for feature and advantage described in optical element
It is equally applicable to the optical instrument, details are not described herein again.
Below with reference to specific embodiment, present invention is described, it should be noted that these embodiments are only to describe
Property, without limiting the invention in any way.
Glass in order to obtain with composition shown in 1~table of table 5, by glass raw material (carbonate, nitrate, metaphosphoric acid
Salt, fluoride, oxide etc.) it weighs according to the proportion of each ion of glass with merging after mixing, it puts into smelting apparatus (such as
Platinum crucible), then taken at 900~1150 DEG C it is appropriate stirring, clarification, homogenizing after, be cooled to 900 DEG C hereinafter, casting or
Leakage note is in molding die, the post-processings such as last annealed, processing, or is formed by precise compression molding technology direct pressing.
In addition, measuring the characteristic of each glass by method shown in above-mentioned, and measurement result is indicated in 1~table of table 5.
Table 1
Table 2
Table 3
Table 4
Table 5
Note: total amount 100% is the number deducted after measurement error, equipment precision and inevitable impurity in above table
According to.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (19)
1. a kind of fluorphosphate glass characterized by comprising cation and anion,
The cation includes:
The P of 20~40 moles of %5+；
The Al of 5~25 moles of %3+；
The Ba of 5~20 moles of %2+；
The Li of 15~35 moles of %+；
The Na of 1~15 mole of %+；
The Y of 0~8 mole of %3+；
The Zn of 0~15 mole of %2+,
The anion includes:
The F of 25~45 moles of %-；
The O of 55~75 moles of %2-,
Wherein, n (Y3++Al3+)/n(Zn2++Ba2++P5+) it is not less than 0.27.
2. fluorphosphate glass according to claim 1, which is characterized in that the cation includes:
The P of 25~35 moles of %5+；And/or
The Al of 10~22 moles of %3+；And/or
The Ba of 6~15 moles of %2+；And/or
The Li of 18~30 moles of %+；And/or
The Na of 3~12 moles of %+；And/or
The Y of 0~5 mole of %3+；And/or
The Zn of 0~10 mole of %2+。
3. fluorphosphate glass according to claim 1 or 2, which is characterized in that the cation includes:
The P of 28~33 moles of %5+；And/or
The Al of 12~20 moles of %3+；And/or
The Ba of 8~13 moles of %2+；And/or
The Li of 20~26 moles of %+；And/or
The Na of 5~9 moles of %+；And/or
The Y of 0~3 mole of %3+；And/or
The Zn of 0~7 mole of %2+。
4. fluorphosphate glass according to any one of claim 1-3, which is characterized in that the anion includes:
The F of 30~40 moles of %-, the F of preferably 33~38 moles %-；And/or
The O of 60~70 moles of %2-, the O of preferably 62~67 moles %2-。
5. fluorphosphate glass described in any one of -4 according to claim 1, which is characterized in that n (Y3++Al3+)/n(Zn2++
Ba2++P5+)=0.27~0.54.
6. fluorphosphate glass according to any one of claims 1-5, which is characterized in that n (Al3++Zn2+)/n(Y3++
Ba2++P5+)=0.26~0.8, preferably 0.26~0.6, more preferable 0.26~0.53.
7. fluorphosphate glass according to claim 1 to 6, which is characterized in that n (Ba2++P5+)/n(Zn2++Y3 ++P5+) it is not more than 1.465, preferably no greater than 1.42, more preferable 0.97~1.415.
8. fluorphosphate glass described in any one of -7 according to claim 1, which is characterized in that nBa2+/n(Y3++Li++Na+)
=0.08~1.25, preferably 0.13~0.71, more preferable 0.21~0.52.
9. fluorphosphate glass according to claim 1 to 8, which is characterized in that the cation further wraps
It includes:
The Ca of 0~15 mole of %2+, preferably 1~10 mole of %, the Ca of further preferred 3~7 moles of %2+；And/or
The Sr of 0~10 mole of %2+, preferably 0.5~8 mole of %, the Sr of further preferred 0.5~5 mole of %2+。
10. fluorphosphate glass according to claim 1 to 9, which is characterized in that n (Ba2++Ca2+)/n(Y3++
Li++Na+) it is not higher than 0.9, preferably no greater than 0.75.
11. fluorphosphate glass according to claim 1 to 10, which is characterized in that n (Li++Na+)/n(Zn2++
Ba2++Sr2++Ca2+) it is not less than 0.9, preferably 0.92~3, more preferable 0.92~1.49.
12. fluorphosphate glass described in any one of -11 according to claim 1, which is characterized in that n (Sr2++Ba2+)/n(Al3 ++Na++Zn2+) it is not higher than 1.9, preferably no greater than 1.75, more preferable 0.35~0.84.
13. fluorphosphate glass described in any one of -12 according to claim 1, which is characterized in that the cation is further
Include:
The Mg of 0~15 mole of %2+, the Mg of preferably 0~10 mole %2+；And/or
The K of 0~10 mole of %+, the K of preferably 0~5 mole %+；And/or
The La of 0~5 mole of %3+, the La of preferably 0~3 mole %3+；And/or
The Gd of 0~5 mole of %3+, the Gd of preferably 0~3 mole %3+；And/or
The B of 0~5 mole of %3+, the B of preferably 0~2 mole %3+；And/or
The Si of 0~5 mole of %4+, the Si of preferably 0~3 mole %4+；And/or
The Zr of 0~5 mole of %4+, the Zr of preferably 0~3 mole %4+；And/or
The Ti of 0~8 mole of %4+、Nb5+、W6+And Bi3+Summation, the Ti of preferably 0~5 mole %4+、Nb5+、W6+And Bi3+Summation；With/
Or
The Yb of 0~5 mole of %3+, the Yb of preferably 0~3 mole %3+；And/or
The Ta of 0~5 mole of %5+, the Ta of preferably 0~3 mole %5+；And/or
The Ge of 0~5 mole of %4+, the Ge of preferably 0~3 mole %4+。
14. fluorphosphate glass according to claim 1 to 13, which is characterized in that the fluorphosphate glass
Refractive index is 1.50~1.55, preferably 1.51~1.54, and Abbe number is 70~76, preferably 70~75.
15. fluorphosphate glass described in any one of -14 according to claim 1, which is characterized in that the fluorphosphate glass
Transition temperature be not higher than 400 degrees Celsius, preferably no greater than 390 degrees Celsius, more preferably no higher than 380 degrees Celsius, λ80It is not more than
350nm, preferably no greater than 345nm, λ5No more than 300nm, preferably no greater than 295nm, weatherability is not preferably low not less than 3 grades
In 2 grades, more desirably not less than 1 grade.
16. fluorphosphate glass described in any one of -15 according to claim 1, which is characterized in that the fluorphosphate glass
Density be not higher than 3.5g/cm3, preferably no greater than 3.45g/cm3, more preferably no higher than 3.4g/cm3, water resistance be not less than 3 grades,
Preferably not less than 2 grades, more desirably not less than 1 grade.
17. a kind of gas preform, which is characterized in that the gas preform is using described in any one of claim 1-16
Fluorphosphate glass is made.
18. a kind of optical element, which is characterized in that the optical element is using fluorine phosphorus described in any one of claim 1-16
Gas preform described in silicate glass or claim 17 is made.
19. a kind of optical instrument, which is characterized in that the optical instrument has optical element described in claim 18.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910074753.XA CN109626821B (en) | 2019-01-25 | 2019-01-25 | Fluorophosphate glass, glass preform, optical element and optical instrument having the same |
| JP2021538956A JP7254937B2 (en) | 2019-01-25 | 2020-01-21 | Fluorophosphate glass, glass preform, optical element and optical equipment having same |
| PCT/CN2020/073584 WO2020151716A1 (en) | 2019-01-25 | 2020-01-21 | Fluorophosphate glass, glass preform, optical element and optical instrument having same |
| JP2023049381A JP2023085387A (en) | 2019-01-25 | 2023-03-27 | Fluorophosphate glass, glass preform, optical element, and optical instrument having same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910074753.XA CN109626821B (en) | 2019-01-25 | 2019-01-25 | Fluorophosphate glass, glass preform, optical element and optical instrument having the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109626821A true CN109626821A (en) | 2019-04-16 |
| CN109626821B CN109626821B (en) | 2020-12-01 |
Family
ID=66063834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910074753.XA Active CN109626821B (en) | 2019-01-25 | 2019-01-25 | Fluorophosphate glass, glass preform, optical element and optical instrument having the same |
Country Status (3)
| Country | Link |
|---|---|
| JP (2) | JP7254937B2 (en) |
| CN (1) | CN109626821B (en) |
| WO (1) | WO2020151716A1 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110156323A (en) * | 2019-05-31 | 2019-08-23 | 成都光明光电股份有限公司 | Fluorphosphate glass, gas preform, optical element and the optical instrument with it |
| CN110156324A (en) * | 2019-05-31 | 2019-08-23 | 成都光明光电股份有限公司 | Fluorphosphate glass, gas preform, optical element and the optical instrument with it |
| CN110156325A (en) * | 2019-05-31 | 2019-08-23 | 成都光明光电股份有限公司 | Fluorphosphate glass, gas preform, optical element and the optical instrument with it |
| WO2020151716A1 (en) * | 2019-01-25 | 2020-07-30 | 成都光明光电股份有限公司 | Fluorophosphate glass, glass preform, optical element and optical instrument having same |
| CN111533446A (en) * | 2020-05-26 | 2020-08-14 | 成都光明光电股份有限公司 | Optical glass, glass preform, optical element and optical instrument |
| WO2020238403A1 (en) * | 2019-05-31 | 2020-12-03 | 成都光明光电股份有限公司 | Fluorophosphate glass, glass preform, and optical element and optical instrument having same |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011132077A (en) * | 2009-12-25 | 2011-07-07 | Hoya Corp | Near-infrared light absorbing glass, near-infrared light absorbing filter, and imaging device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4169545B2 (en) * | 2002-07-05 | 2008-10-22 | Ｈｏｙａ株式会社 | Near-infrared light absorbing glass, near-infrared light absorbing element, near-infrared light absorbing filter, and method for producing near-infrared light absorbing glass molded body |
| JP4570576B2 (en) * | 2005-03-30 | 2010-10-27 | Ｈｏｙａ株式会社 | Optical glass, press-molding preform and manufacturing method thereof, and optical element and manufacturing method thereof |
| WO2010119964A1 (en) * | 2009-04-17 | 2010-10-21 | 旭硝子株式会社 | Filter glass cutting near infrared rays |
| CN102656125A (en) * | 2009-12-11 | 2012-09-05 | 旭硝子株式会社 | Near infrared blocking filter glass |
| CN104755439A (en) * | 2012-10-23 | 2015-07-01 | 旭硝子株式会社 | Fluorophosphate glass, preform for press molding, and optical element |
| CN109626821B (en) * | 2019-01-25 | 2020-12-01 | 成都光明光电股份有限公司 | Fluorophosphate glass, glass preform, optical element and optical instrument having the same |
-
2019
- 2019-01-25 CN CN201910074753.XA patent/CN109626821B/en active Active
-
2020
- 2020-01-21 JP JP2021538956A patent/JP7254937B2/en active Active
- 2020-01-21 WO PCT/CN2020/073584 patent/WO2020151716A1/en active Application Filing
-
2023
- 2023-03-27 JP JP2023049381A patent/JP2023085387A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011132077A (en) * | 2009-12-25 | 2011-07-07 | Hoya Corp | Near-infrared light absorbing glass, near-infrared light absorbing filter, and imaging device |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020151716A1 (en) * | 2019-01-25 | 2020-07-30 | 成都光明光电股份有限公司 | Fluorophosphate glass, glass preform, optical element and optical instrument having same |
| CN110156323A (en) * | 2019-05-31 | 2019-08-23 | 成都光明光电股份有限公司 | Fluorphosphate glass, gas preform, optical element and the optical instrument with it |
| CN110156324A (en) * | 2019-05-31 | 2019-08-23 | 成都光明光电股份有限公司 | Fluorphosphate glass, gas preform, optical element and the optical instrument with it |
| CN110156325A (en) * | 2019-05-31 | 2019-08-23 | 成都光明光电股份有限公司 | Fluorphosphate glass, gas preform, optical element and the optical instrument with it |
| WO2020238403A1 (en) * | 2019-05-31 | 2020-12-03 | 成都光明光电股份有限公司 | Fluorophosphate glass, glass preform, and optical element and optical instrument having same |
| CN110156323B (en) * | 2019-05-31 | 2022-02-11 | 成都光明光电股份有限公司 | Fluorophosphate glass, glass preform, optical element and optical instrument having the same |
| CN110156325B (en) * | 2019-05-31 | 2022-03-11 | 成都光明光电股份有限公司 | Fluorophosphate glass, glass preform, optical element and optical instrument having the same |
| CN110156324B (en) * | 2019-05-31 | 2022-05-24 | 成都光明光电股份有限公司 | Fluorophosphate glass, glass preform, optical element and optical instrument having the same |
| CN111533446A (en) * | 2020-05-26 | 2020-08-14 | 成都光明光电股份有限公司 | Optical glass, glass preform, optical element and optical instrument |
| CN111533446B (en) * | 2020-05-26 | 2022-04-15 | 成都光明光电股份有限公司 | Optical glass, glass preform, optical element and optical instrument |
Also Published As
| Publication number | Publication date |
|---|---|
| JP7254937B2 (en) | 2023-04-10 |
| JP2023085387A (en) | 2023-06-20 |
| WO2020151716A1 (en) | 2020-07-30 |
| JP2022516920A (en) | 2022-03-03 |
| CN109626821B (en) | 2020-12-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106145668B (en) | Optical glass, optical precast product and optical element | |
| CN109626821A (en) | Fluorphosphate glass, gas preform, optical element and the optical instrument with it | |
| CN109626819A (en) | Fluorphosphate glass, gas preform, optical element and the optical instrument with it | |
| CN109608040A (en) | Fluorphosphate glass, gas preform, optical element and the optical instrument with it | |
| CN109626820A (en) | Fluorphosphate glass, gas preform, optical element and the optical instrument with it | |
| TW202208294A (en) | Optical glass, glass preform and optical element | |
| CN110156325A (en) | Fluorphosphate glass, gas preform, optical element and the optical instrument with it | |
| CN110156323A (en) | Fluorphosphate glass, gas preform, optical element and the optical instrument with it | |
| CN108623152A (en) | Optical glass, optical precast product and optical element | |
| CN110156324A (en) | Fluorphosphate glass, gas preform, optical element and the optical instrument with it | |
| CN106517767A (en) | Optical glass | |
| CN106082644B (en) | Optical glass, optical precast product and optical element | |
| CN101935164B (en) | Optical glass, preforming material and optical element | |
| CN109626818A (en) | Fluorophosphate optical glass, optical precast product, optical element and optical instrument | |
| CN108751698A (en) | Optical glass, optical precast product and optical element | |
| CN109641781A (en) | Glass, compression moulding glass raw material, optical element blank and optical element | |
| JP6672472B2 (en) | Optical glass and optical element | |
| TW202104122A (en) | Fluorophosphate glass, glass preform, optical element and optical instrument having the same | |
| JP2024503010A (en) | Optical glass, glass preforms, optical elements and optical instruments | |
| TWI635064B (en) | Optical glass, optical components and preforms | |
| JP2023540574A (en) | Optical glass, optical preforms, optical elements and optical equipment | |
| CN106517765A (en) | Optical glass | |
| CN111484249B (en) | Fluorophosphate glass, glass preform, optical element and optical instrument having the same | |
| CN111484248B (en) | Fluorophosphate glass, glass preform, optical element and optical instrument having the same | |
| TW202009226A (en) | Optical glass, glass prefabricated part or optical element prepared therefrom, and optical instrument wherein the optical glass is provided with excellent performance without using Ta2O5 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |