JPS5699304A - Production of combined rod lens - Google Patents

Production of combined rod lens

Info

Publication number
JPS5699304A
JPS5699304A JP120880A JP120880A JPS5699304A JP S5699304 A JPS5699304 A JP S5699304A JP 120880 A JP120880 A JP 120880A JP 120880 A JP120880 A JP 120880A JP S5699304 A JPS5699304 A JP S5699304A
Authority
JP
Japan
Prior art keywords
alpha
coefft
rod lens
refractive index
index distribution
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.)
Pending
Application number
JP120880A
Other languages
Japanese (ja)
Inventor
Yoshikazu Matsuda
Hisaharu Yanagawa
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.)
Furukawa Electric Co Ltd
Original Assignee
Furukawa Electric Co Ltd
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 Furukawa Electric Co Ltd filed Critical Furukawa Electric Co Ltd
Priority to JP120880A priority Critical patent/JPS5699304A/en
Publication of JPS5699304A publication Critical patent/JPS5699304A/en
Pending legal-status Critical Current

Links

Landscapes

  • Lenses (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)

Abstract

PURPOSE:To ease conditions in production by connecting a rod lens of which the coefft. of refractive index distribution is smaller than 2 and the lens of which said coefft. is larger than 2 in a lengthwise direction thereby making sucn one rod lens of which the coefft. of refractive index distribution becomes 2. CONSTITUTION:Now it is assumed that a rod lens 11 of which the coefft. alpha of refractive index distribution is alpha 1.7 and a rod lens 12 of alpha 2.3 are prepared. If both rod lenses 11, 12 are connected in a lengthwise direction by means of an adhesive agent, the coefft. alpha of refractive index distribution is alpha=2 with the combined rod lens 2, and the coefficients alpha are equivalently offset and assume 2 which is an optimum value. The use of materials of which are coefft. alpha of refractive index distribution is alpha>2 or alpha<2 is made possible by doing in this way.
JP120880A 1980-01-09 1980-01-09 Production of combined rod lens Pending JPS5699304A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP120880A JPS5699304A (en) 1980-01-09 1980-01-09 Production of combined rod lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP120880A JPS5699304A (en) 1980-01-09 1980-01-09 Production of combined rod lens

Publications (1)

Publication Number Publication Date
JPS5699304A true JPS5699304A (en) 1981-08-10

Family

ID=11495037

Family Applications (1)

Application Number Title Priority Date Filing Date
JP120880A Pending JPS5699304A (en) 1980-01-09 1980-01-09 Production of combined rod lens

Country Status (1)

Country Link
JP (1) JPS5699304A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61176905A (en) * 1985-01-31 1986-08-08 Canon Inc Gradient index meniscus lenses and lens systems
JP2008046185A (en) * 2006-08-11 2008-02-28 Toyo Glass Co Ltd Manufacturing method of optical fiber with lens

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61176905A (en) * 1985-01-31 1986-08-08 Canon Inc Gradient index meniscus lenses and lens systems
JP2008046185A (en) * 2006-08-11 2008-02-28 Toyo Glass Co Ltd Manufacturing method of optical fiber with lens

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