ITRM20010201A1 - Perfezionamento della tecnica di relizzazione di attenuatori per fibre ottiche con fibra attenuata. - Google Patents

Perfezionamento della tecnica di relizzazione di attenuatori per fibre ottiche con fibra attenuata.

Info

Publication number
ITRM20010201A1
ITRM20010201A1 IT2001RM000201A ITRM20010201A ITRM20010201A1 IT RM20010201 A1 ITRM20010201 A1 IT RM20010201A1 IT 2001RM000201 A IT2001RM000201 A IT 2001RM000201A IT RM20010201 A ITRM20010201 A IT RM20010201A IT RM20010201 A1 ITRM20010201 A1 IT RM20010201A1
Authority
IT
Italy
Prior art keywords
fiber
relization
attenuators
improvement
technique
Prior art date
Application number
IT2001RM000201A
Other languages
English (en)
Inventor
Lucio Duca
Giuseppe Manfredda
Original Assignee
Lucio Duca
Giuseppe Manfredda
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 Lucio Duca, Giuseppe Manfredda filed Critical Lucio Duca
Priority to IT2001RM000201A priority Critical patent/ITRM20010201A1/it
Publication of ITRM20010201A0 publication Critical patent/ITRM20010201A0/it
Priority to US10/083,295 priority patent/US6654538B2/en
Publication of ITRM20010201A1 publication Critical patent/ITRM20010201A1/it

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/036—Optical fibres with cladding with or without a coating core or cladding comprising multiple layers
    • G02B6/03616—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference
    • G02B6/03622—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 2 layers only
    • G02B6/03627—Optical fibres characterised both by the number of different refractive index layers around the central core segment, i.e. around the innermost high index core layer, and their relative refractive index difference having 2 layers only arranged - +
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/264—Optical coupling means with optical elements between opposed fibre ends which perform a function other than beam splitting
    • G02B6/266—Optical coupling means with optical elements between opposed fibre ends which perform a function other than beam splitting the optical element being an attenuator

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Light Guides In General And Applications Therefor (AREA)
IT2001RM000201A 2001-04-12 2001-04-12 Perfezionamento della tecnica di relizzazione di attenuatori per fibre ottiche con fibra attenuata. ITRM20010201A1 (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT2001RM000201A ITRM20010201A1 (it) 2001-04-12 2001-04-12 Perfezionamento della tecnica di relizzazione di attenuatori per fibre ottiche con fibra attenuata.
US10/083,295 US6654538B2 (en) 2001-04-12 2002-02-27 Technique for realizing attenuators for optical fibers with attenuating fiber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2001RM000201A ITRM20010201A1 (it) 2001-04-12 2001-04-12 Perfezionamento della tecnica di relizzazione di attenuatori per fibre ottiche con fibra attenuata.

Publications (2)

Publication Number Publication Date
ITRM20010201A0 ITRM20010201A0 (it) 2001-04-12
ITRM20010201A1 true ITRM20010201A1 (it) 2002-10-14

Family

ID=11455456

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2001RM000201A ITRM20010201A1 (it) 2001-04-12 2001-04-12 Perfezionamento della tecnica di relizzazione di attenuatori per fibre ottiche con fibra attenuata.

Country Status (2)

Country Link
US (1) US6654538B2 (it)
IT (1) ITRM20010201A1 (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020049714A1 (en) * 2000-05-11 2002-04-25 Shunpei Yamazaki Communication system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5633974A (en) * 1994-09-27 1997-05-27 The Whitaker Corporation All fiber attenuator
KR20020064506A (ko) * 2001-02-02 2002-08-09 (주)옵토네스트 평탄한 감쇄이득을 갖는 광감쇄기용 광섬유

Also Published As

Publication number Publication date
US20020176686A1 (en) 2002-11-28
ITRM20010201A0 (it) 2001-04-12
US6654538B2 (en) 2003-11-25

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