JP2018140925A5 - - Google Patents

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JP2018140925A5
JP2018140925A5 JP2017119837A JP2017119837A JP2018140925A5 JP 2018140925 A5 JP2018140925 A5 JP 2018140925A5 JP 2017119837 A JP2017119837 A JP 2017119837A JP 2017119837 A JP2017119837 A JP 2017119837A JP 2018140925 A5 JP2018140925 A5 JP 2018140925A5
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Japan
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component
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mass
optical glass
glass according
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JP2017119837A
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Japanese (ja)
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JP2018140925A (en
JP7085316B2 (en
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Claims (8)

質量％で、
ＳｉＯ２成分を５．０％以上３２．０％以下、
Ｌｎ２Ｏ３成分（式中、ＬｎはＬａ、Ｇｄ、Ｙ、Ｙｂからなる群より選択される１種以上）を合計１０．０％以上３７．０％以下、
ＢａＯ成分を２０．０％以上６５．０％以下、
Ｋ２Ｏ成分を０％超１５．０％以下
含有し、
Ｂ２Ｏ３成分の含有量が２４．０％以下であり、
１．７０以上の屈折率（ｎｄ）を有し、２０以上４５以下のアッベ数（νｄ）を有し、 相対屈折率（５８９．２９ｎｍ）の温度係数（４０〜６０℃）が＋４．０×１０−６〜−１０．０×１０−６（℃−１）の範囲内にある光学ガラス。 In mass%,
SiO 2 component of 5.0% or more and 32.0% or less,
Ln 2 O 3 components (where Ln is at least one selected from the group consisting of La, Gd, Y, and Yb) in a total of 10.0% or more and 37.0% or less;
A BaO component of 20.0% or more and 65.0% or less,
Containing more than 0% and not more than 15.0% of a K 2 O component;
The content of the B 2 O 3 component is 24.0% or less;
Has 1.70 or more of refractive index (n d), has more than 20 45 or less Abbe number (ν d), the temperature coefficient of the relative refractive index (589.29nm) (40~60 ℃) +4. An optical glass in the range of 0 × 10 −6 to −10.0 × 10 −6 (° C. −1 ). 質量％で、
Ｌａ２Ｏ３成分 ２．０〜３４．０％、
Ｇｄ２Ｏ３成分 ０〜１７．０％、
Ｙ２Ｏ３成分 ０〜１９．０％、
Ｙｂ２Ｏ３成分 ０〜１０．０％
ＺｎＯ成分 ０〜５．０％未満、
ＺｒＯ２成分 ０〜１７．０％、
Ｎｂ２Ｏ５成分 ０〜１７．０％、
ＷＯ３成分 ０〜１０．０％、
ＴｉＯ２成分 ５．０〜２７．０％、
Ｔａ２Ｏ５成分 ０〜１０．０％、
ＭｇＯ成分 ０〜５．０％、
ＣａＯ成分 ０〜１０．０％、
ＳｒＯ成分 ０〜１０．０％、
Ｌｉ２Ｏ成分 ０〜５．０％、
Ｎａ２Ｏ成分 ０〜１０．０％、
Ｐ２Ｏ５成分 ０〜１０．０％、
ＧｅＯ２成分 ０〜１０．０％、
Ａｌ２Ｏ３成分 ０〜１０．０％、
Ｇａ２Ｏ３成分 ０〜１０．０％、
Ｂｉ２Ｏ３成分 ０〜１０．０％、
ＴｅＯ２成分 ０〜１０．０％、
ＳｎＯ２成分 ０〜３．０％、
Ｓｂ２Ｏ３成分 ０〜１．０％
であり、
上記各元素の１種又は２種以上の酸化物の一部又は全部と置換した弗化物のＦとしての含有量が０〜１０．０質量％である請求項１記載の光学ガラス。 In mass%,
La 2 O 3 component 2.0 to 34.0%,
Gd 2 O 3 component 0 to 17.0%,
Y 2 O 3 component from 0 to 19.0%,
Yb 2 O 3 component 0 to 10.0%
ZnO component 0 to less than 5.0%,
ZrO 2 component 0 to 17.0%,
Nb 2 O 5 component 0 to 17.0%,
WO 3 ingredients 0-10.0%,
TiO 2 component 5.0-27.0%,
Ta 2 O 5 component 0 to 10.0%,
MgO component 0-5.0%,
CaO component 0 to 10.0%,
SrO component 0 to 10.0%,
Li 2 O component 0 to 5.0%,
Na 2 O component 0 to 10.0%,
P 2 O 5 component 0 to 10.0%,
GeO 2 component 0-10.0%,
Al 2 O 3 component 0 to 10.0%,
Ga 2 O 3 component 0 to 10.0%,
Bi 2 O 3 component 0 to 10.0%,
TeO 2 component 0 to 10.0%,
SnO 2 component 0-3.0%,
Sb 2 O 3 component 0-1.0%
And
2. The optical glass according to claim 1, wherein the content of the fluoride as a F which is partially or entirely substituted with one or more kinds of oxides of the respective elements is 0 to 10.0% by mass. 質量和（ＢａＯ＋Ｋ２Ｏ）が２１．０％以上６５．０％以下である請求項１又は２記載の光学ガラス。 The optical glass according to claim 1, wherein the sum of mass (BaO + K 2 O) is 21.0% or more and 65.0% or less. 質量和（ＳｉＯ２＋Ｂ２Ｏ３）が１１．０％以上３５．０％未満である請求項１から３のいずれか記載の光学ガラス。 Mass sum (SiO 2 + B 2 O 3 ) is an optical glass according to any one of claims 1 to 3 is less than 35.0% to 11.0%. 質量比（ＢａＯ＋Ｋ２Ｏ）／（ＳｉＯ２＋Ｂ２Ｏ３＋ＺｎＯ）が０．７０超５．００以下である請求項１から４のいずれか記載の光学ガラス。 5. The optical glass according to claim 1, wherein a mass ratio (BaO + K 2 O) / (SiO 2 + B 2 O 3 + ZnO) is more than 0.70 and 5.00 or less. 質量和ＴｉＯ２＋Ｎｂ２Ｏ５＋ＺｒＯ２が３．０％以上３５．０％未満である請求項１から５のいずれか記載の光学ガラス。 The optical glass according to any one of claims 1 to 5, wherein the mass sum TiO 2 + Nb 2 O 5 + ZrO 2 is at least 3.0% and less than 35.0%. 請求項１から６のいずれか記載の光学ガラスからなる光学素子。 An optical element formed of the optical glass according to any one of claims 1 6. 請求項７に記載の光学素子を備える光学機器。 An optical device comprising the optical element according to claim 7 .
JP2017119837A 2017-02-28 2017-06-19 Optical glass, preforms and optical elements Active JP7085316B2 (en)

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JP2017036888 2017-02-28
JP2017036888 2017-02-28

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JP2018140925A JP2018140925A (en) 2018-09-13
JP2018140925A5 true JP2018140925A5 (en) 2020-02-20
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Publication number Priority date Publication date Assignee Title
CN109205616B (en) * 2018-11-21 2021-06-25 成都光明光电股份有限公司 Optical glass, glass preform, optical element and optical instrument
CN110937802B (en) * 2019-12-30 2022-07-29 成都光明光电股份有限公司 Optical glass
CN115246707B (en) * 2022-08-26 2023-09-22 成都光明光电股份有限公司 Optical glass, optical element and optical instrument

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JPS565344A (en) * 1979-06-21 1981-01-20 Ohara Inc Absorber for scintillation counter
JPS5950048A (en) * 1982-09-16 1984-03-22 Ohara Inc Optical glass
JP2004175632A (en) * 2002-11-28 2004-06-24 Hikari Glass Co Ltd Optical glass
JP4286652B2 (en) * 2002-12-27 2009-07-01 Ｈｏｙａ株式会社 Optical glass, glass gob for press molding, and optical element
JP4668797B2 (en) * 2005-01-17 2011-04-13 株式会社オハラ Glass
JP5561888B2 (en) * 2005-10-11 2014-07-30 株式会社オハラ Optical glass
JP4726666B2 (en) * 2006-03-22 2011-07-20 Ｈｏｙａ株式会社 Optical glass, optical element and manufacturing method thereof
CN101318769B (en) * 2008-07-08 2011-08-31 成都光明光电股份有限公司 Environment friendly heavy-lanthanide flint optical glass
JP2010083702A (en) * 2008-09-30 2010-04-15 Hoya Corp Optical glass, glass gob for press forming and optical element
WO2011065097A1 (en) * 2009-11-26 2011-06-03 コニカミノルタオプト株式会社 Optical glass and optical element
JP2018203605A (en) * 2016-10-03 2018-12-27 株式会社オハラ Optical glass, preform and optical element

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