JPS6332731B2 - - Google Patents
Info
- Publication number
- JPS6332731B2 JPS6332731B2 JP6700681A JP6700681A JPS6332731B2 JP S6332731 B2 JPS6332731 B2 JP S6332731B2 JP 6700681 A JP6700681 A JP 6700681A JP 6700681 A JP6700681 A JP 6700681A JP S6332731 B2 JPS6332731 B2 JP S6332731B2
- Authority
- JP
- Japan
- Prior art keywords
- lens
- refractive index
- flat
- index distribution
- cylindrical
- 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.)
- Expired
Links
- 238000009826 distribution Methods 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 19
- 239000011521 glass Substances 0.000 claims description 17
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 2
- 230000007423 decrease Effects 0.000 claims 1
- 238000005098 hot rolling Methods 0.000 claims 1
- 239000000463 material Substances 0.000 description 9
- 239000007858 starting material Substances 0.000 description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- 239000013307 optical fiber Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 239000005357 flat glass Substances 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 3
- 238000005253 cladding Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000002019 doping agent Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910005793 GeO 2 Inorganic materials 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000011162 core material Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/20—Uniting glass pieces by fusing without substantial reshaping
- C03B23/207—Uniting glass rods, glass tubes, or hollow glassware
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/04—Re-forming tubes or rods
- C03B23/049—Re-forming tubes or rods by pressing
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Glass Melting And Manufacturing (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6700681A JPS57183328A (en) | 1981-05-06 | 1981-05-06 | Production of flat plate lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6700681A JPS57183328A (en) | 1981-05-06 | 1981-05-06 | Production of flat plate lens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57183328A JPS57183328A (en) | 1982-11-11 |
| JPS6332731B2 true JPS6332731B2 (enExample) | 1988-07-01 |
Family
ID=13332404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6700681A Granted JPS57183328A (en) | 1981-05-06 | 1981-05-06 | Production of flat plate lens |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57183328A (enExample) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3131162B2 (ja) * | 1996-11-27 | 2001-01-31 | 信越化学工業株式会社 | 光ファイバプリフォームの製造方法 |
| AU1307101A (en) * | 1999-11-10 | 2001-06-06 | Hamamatsu Photonics K.K. | Optical lens and semiconductor laser device |
| KR100902455B1 (ko) | 2001-05-09 | 2009-06-11 | 하마마츠 포토닉스 가부시키가이샤 | 광학 렌즈의 제조 방법 |
| EP1396735B1 (en) | 2001-05-09 | 2009-01-28 | Hamamatsu Photonics K.K. | Method of producing an optical lens |
| US7743631B2 (en) | 2001-05-09 | 2010-06-29 | Hamamatsu Photonics K.K. | Method of forming an optical lens by drawing material with curved surface parts |
| US7322877B2 (en) | 2001-05-09 | 2008-01-29 | Hamamatsu Photonics K.K. | Production method for optical lens |
-
1981
- 1981-05-06 JP JP6700681A patent/JPS57183328A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57183328A (en) | 1982-11-11 |
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