FR2483608B1 - - Google Patents

Info

Publication number
FR2483608B1
FR2483608B1 FR8011798A FR8011798A FR2483608B1 FR 2483608 B1 FR2483608 B1 FR 2483608B1 FR 8011798 A FR8011798 A FR 8011798A FR 8011798 A FR8011798 A FR 8011798A FR 2483608 B1 FR2483608 B1 FR 2483608B1
Authority
FR
France
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
FR8011798A
Other languages
French (fr)
Other versions
FR2483608A1 (fr
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.)
Lignes Telegraphiques et Telephoniques LTT SA
Original Assignee
Lignes Telegraphiques et Telephoniques LTT SA
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 Lignes Telegraphiques et Telephoniques LTT SA filed Critical Lignes Telegraphiques et Telephoniques LTT SA
Priority to FR8011798A priority Critical patent/FR2483608A1/fr
Publication of FR2483608A1 publication Critical patent/FR2483608A1/fr
Application granted granted Critical
Publication of FR2483608B1 publication Critical patent/FR2483608B1/fr
Granted legal-status Critical Current

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
    • G02B6/24—Coupling light guides
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4202—Packages, e.g. shape, construction, internal or external details for coupling an active element with fibres without intermediate optical elements, e.g. fibres with plane ends, fibres with shaped ends, bundles
    • 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
    • G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
    • G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
    • G02B6/29346—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by wave or beam interference
    • G02B6/29361—Interference filters, e.g. multilayer coatings, thin film filters, dichroic splitters or mirrors based on multilayers, WDM filters
    • G02B6/29362—Serial cascade of filters or filtering operations, e.g. for a large number of channels
    • G02B6/29365—Serial cascade of filters or filtering operations, e.g. for a large number of channels in a multireflection configuration, i.e. beam following a zigzag path between filters or filtering operations
    • G02B6/29367—Zigzag path within a transparent optical block, e.g. filter deposited on an etalon, glass plate, wedge acting as a stable spacer
    • 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
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4201—Packages, e.g. shape, construction, internal or external details
    • G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
    • G02B6/4215—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms the intermediate optical elements being wavelength selective optical elements, e.g. variable wavelength optical modules or wavelength lockers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/60—Receivers
    • H04B10/66—Non-coherent receivers, e.g. using direct detection
    • H04B10/67—Optical arrangements in the receiver
    • H04B10/671—Optical arrangements in the receiver for controlling the input optical signal

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Light Receiving Elements (AREA)
  • Optical Communication System (AREA)
FR8011798A 1980-05-28 1980-05-28 Dispositif de separation de deux signaux lumineux de longueurs d'onde differentes transmis sur une meme voie de transmission et recepteur comportant un tel dispositif Granted FR2483608A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8011798A FR2483608A1 (fr) 1980-05-28 1980-05-28 Dispositif de separation de deux signaux lumineux de longueurs d'onde differentes transmis sur une meme voie de transmission et recepteur comportant un tel dispositif

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8011798A FR2483608A1 (fr) 1980-05-28 1980-05-28 Dispositif de separation de deux signaux lumineux de longueurs d'onde differentes transmis sur une meme voie de transmission et recepteur comportant un tel dispositif

Publications (2)

Publication Number Publication Date
FR2483608A1 FR2483608A1 (fr) 1981-12-04
FR2483608B1 true FR2483608B1 (fa) 1984-03-09

Family

ID=9242405

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8011798A Granted FR2483608A1 (fr) 1980-05-28 1980-05-28 Dispositif de separation de deux signaux lumineux de longueurs d'onde differentes transmis sur une meme voie de transmission et recepteur comportant un tel dispositif

Country Status (1)

Country Link
FR (1) FR2483608A1 (fa)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3107302A (en) * 1959-09-25 1963-10-15 Westinghouse Electric Corp Two color background elimination detector
US3962578A (en) * 1975-02-28 1976-06-08 Aeronutronic Ford Corporation Two-color photoelectric detectors having an integral filter
DE2629356C2 (de) * 1976-06-30 1983-07-21 AEG-Telefunken Nachrichtentechnik GmbH, 7150 Backnang Elektrooptischer Wandler zum Senden oder Empfangen

Also Published As

Publication number Publication date
FR2483608A1 (fr) 1981-12-04

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Legal Events

Date Code Title Description
ST Notification of lapse