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
Application number
JP6700681A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57183328A (en
Inventor
Takao Edahiro
Masao Kawachi
Katsunari Okamoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NTT Inc
Original Assignee
Nippon Telegraph and Telephone Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP6700681A priority Critical patent/JPS57183328A/ja
Publication of JPS57183328A publication Critical patent/JPS57183328A/ja
Publication of JPS6332731B2 publication Critical patent/JPS6332731B2/ja
Granted legal-status Critical Current

Links

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)
JP6700681A 1981-05-06 1981-05-06 Production of flat plate lens Granted JPS57183328A (en)

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 (cg-RX-API-DMAC7.html) 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 (cg-RX-API-DMAC7.html)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
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
WO2001035149A1 (fr) * 1999-11-10 2001-05-17 Hamamatsu Photonics K.K. Lentille optique et systeme optique
DE60238605D1 (de) 2001-05-09 2011-01-27 Hamamatsu Photonics Kk Optische linse
EP1387188B1 (en) 2001-05-09 2012-08-08 Hamamatsu Photonics K. K. Optical lens-use base material, optical lens, and production method for optical lens
EP1396735B1 (en) 2001-05-09 2009-01-28 Hamamatsu Photonics K.K. Method of producing an optical lens
EP1394572B1 (en) 2001-05-09 2010-04-21 Hamamatsu Photonics K.K. Method of producing optical lens, and optical lens

Also Published As

Publication number Publication date
JPS57183328A (en) 1982-11-11

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