SU286162A1 - OPTICAL GLASS - Google Patents

OPTICAL GLASS

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Publication number
SU286162A1
SU286162A1 SU1290653A SU1290653A SU286162A1 SU 286162 A1 SU286162 A1 SU 286162A1 SU 1290653 A SU1290653 A SU 1290653A SU 1290653 A SU1290653 A SU 1290653A SU 286162 A1 SU286162 A1 SU 286162A1
Authority
SU
USSR - Soviet Union
Prior art keywords
glass
ceoa
refractive index
optical constant
thermo
Prior art date
Application number
SU1290653A
Other languages
Russian (ru)
Original Assignee
О. С. Щавелев, В. А. Бабкина , Л. А. Диденко
Publication of SU286162A1 publication Critical patent/SU286162A1/en

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Description

Изобретение относитс  к области оптики и используетс  в оптических системах, не искажающих ф:понта световой волны при неравномерном распределении температуры.The invention relates to the field of optics and is used in optical systems that do not distort the phonon light wave with an uneven temperature distribution.

Известно стекло, включающее PaOs, ВаО, РЬО, Ьа-гОз, AlaOg, ВаОз, SiOg, К2О, NbjOs.Known glass, including PaOs, BaO, POH, LA-Goz, AlaOg, BaOz, SiOg, K2O, NbjOs.

Предложенное стекло имеет показатель преломлени  1,59 при коэф|фи1циенте дисперсии около 58 и низкой термооптической .посто нной .The proposed glass has a refractive index of 1.59 at a dispersion coefficient of about 58 and a low thermo-optical constant.

Это достигаетс  те,м, что оно содержит указанные компоненты в следующем количестве (в вес. %):This is achieved by those that it contains the indicated components in the following amount (in wt.%):

47 -50 28 -3147 -50 28 -31

6,5- 9,56.5- 9.5

4-54-5

2,0- 3,52.0- 3.5

2 -2 -

3 2,53 2.5

Claims (4)

1,51 ,0-1.51, 0- 2.5 1,52.5 1.5 0,5До 5 s До 50.5Up to 5 s To 5 Кроме того, стекло содержит 5Ь2Оз 0,2- 0,5; АзаОз 0,2-1,0; СеОа 0,2-1,0.In addition, glass contains S2Oz 0.2-0.5; AzaOz 0.2-1.0; CeOa 0.2-1.0. Технологические свойства стекла позвол ют получить из него заготовки больших размеров .,The technological properties of the glass make it possible to obtain large sizes from it., Стекло оптимального состава содержит (в вес. %): Р2О5 48,31; SiOa 2,8; В2Оз 2,14; АШз 2,61; ЬагОз 4,30; ВаО 28,9; РЬО 8,57; NbgOs 0,75; КаО 1,92; 0,24; Аз.Оз 0,38.Glass of optimal composition contains (in wt.%): P2O5 48.31; SiOa 2.8; B2Oz 2.14; AHS 2.61; Lagos 4.30; BAO 28.9; PbO 8.57; NbgOs 0.75; Kao 1.92; 0.24; Az.Oz 0.38. Засыпку шихты ведут при температуре , осветление при 1000°С, отливку при 900°С, а отжиг при 560°С.Charging is carried out at temperature, clarification at 1000 ° С, casting at 900 ° С, and annealing at 560 ° С. Стекло имеет следуюшие свойства: Показатель преломлени , ,59 Коэффициент дисперсии , v 57,8 Термооптическа  посто нна , W, гредпри / - 20°С дл  длины :волныThe glass has the following properties: Refractive index,, 59 Dispersion coefficient, v 57.8 Thermo-optical constant, W, green / -20 ° C for length: wave 656 нм14 ( 656 nm14 ( Коэффициент расширени , а, гpaдпри t - 20°С 100-10-7 Кристаллизационна  способностьCoefficient of expansion, a, t-20 ° C. 100-10-7 Crystallization ability за 24 часНе кристаллизуетс in 24 hours Does not crystallize NbaOr,, отличающеес  тем, что, с целью обеспечени  -показател  преломлени  1,59 при ко эффициепте дисперсии около 58 и низкой термооптической посто ниой, оно содержит указанные компоненты в следующих количествах (iB вес. %):NbaOr ,, characterized in that, in order to provide a refractive index of 1.59 with a dispersion coefficient of about 58 and a low thermo-optical constant, it contains these components in the following amounts (iB wt.%): Р,О.47 -50R, O.47 -50 ВаО28 -31BaO28 -31 РЬО6,5- 9,5Pb6.5-9.5 La.О,4-5La.O, 4-5 АЬО;,2,0- 3,5ABO; 2.0-3.5 ВоОз Wow SiOa1,5- SiOa1,5- KsO1,0- KsO1.0- NboOj0,5- NboOj0,5- и, .кроме того,and besides, HNOsДо 5HNOsUp to 5 NHiNOsДо 5NHiNOsUp to 5 2.Стекло по п. 1, отличающеес  оио содержит Sb2Os 0,2-0,5.2. Glass according to claim 1, characterized by an oio containing Sb2Os of 0.2-0.5. 3.Стекло по п. 1, отличающеес  оно содержит Аз2Оз 0,2-1,0.3.Glass according to claim 1, characterized by its content of Az2Oz 0.2-1.0. 4.Стекло по пп. 1-3, отличающ что оно содержит СеОа 0,2-1,0.4. Glass on PP. 1-3, characterized in that it contains a CeOa of 0.2-1.0.
SU1290653A OPTICAL GLASS SU286162A1 (en)

Publications (1)

Publication Number Publication Date
SU286162A1 true SU286162A1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5378217A (en) * 1976-12-22 1978-07-11 Hoya Glass Works Ltd Phosphate optical glass through which light beam length beeing little dependnt on temperature
FR2391965A1 (en) * 1976-12-09 1978-12-22 Hoya Corp GLASS WITH ANTI-HALO PROPERTIES, AND ITS USE FOR THE MANUFACTURE OF GLASSES FOR EYEWEAR

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2391965A1 (en) * 1976-12-09 1978-12-22 Hoya Corp GLASS WITH ANTI-HALO PROPERTIES, AND ITS USE FOR THE MANUFACTURE OF GLASSES FOR EYEWEAR
JPS5378217A (en) * 1976-12-22 1978-07-11 Hoya Glass Works Ltd Phosphate optical glass through which light beam length beeing little dependnt on temperature

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