FR2369584A1 - Procede et dispositif de commande de variations d'un signal optique - Google Patents

Procede et dispositif de commande de variations d'un signal optique

Info

Publication number
FR2369584A1
FR2369584A1 FR7732280A FR7732280A FR2369584A1 FR 2369584 A1 FR2369584 A1 FR 2369584A1 FR 7732280 A FR7732280 A FR 7732280A FR 7732280 A FR7732280 A FR 7732280A FR 2369584 A1 FR2369584 A1 FR 2369584A1
Authority
FR
France
Prior art keywords
optical signal
controlling variations
bistability
cavity
variations
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.)
Granted
Application number
FR7732280A
Other languages
English (en)
French (fr)
Other versions
FR2369584B1 (enExample
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Publication of FR2369584A1 publication Critical patent/FR2369584A1/fr
Application granted granted Critical
Publication of FR2369584B1 publication Critical patent/FR2369584B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F3/00—Optical logic elements; Optical bistable devices
    • G02F3/02—Optical bistable devices
    • G02F3/024—Optical bistable devices based on non-linear elements, e.g. non-linear Fabry-Perot cavity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
    • F03G7/06—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like
    • F03G7/061—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like characterised by the actuating element
    • F03G7/0614—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like characterised by the actuating element using shape memory elements
    • F03G7/06143—Wires

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Lasers (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
  • Manufacture, Treatment Of Glass Fibers (AREA)
FR7732280A 1976-10-27 1977-10-26 Procede et dispositif de commande de variations d'un signal optique Granted FR2369584A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/735,989 US4121167A (en) 1976-10-27 1976-10-27 Amplifying characteristics of a cavity-enclosed nonlinear medium

Publications (2)

Publication Number Publication Date
FR2369584A1 true FR2369584A1 (fr) 1978-05-26
FR2369584B1 FR2369584B1 (enExample) 1983-10-14

Family

ID=24958023

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7732280A Granted FR2369584A1 (fr) 1976-10-27 1977-10-26 Procede et dispositif de commande de variations d'un signal optique

Country Status (9)

Country Link
US (1) US4121167A (enExample)
JP (1) JPS5355137A (enExample)
BE (1) BE860044A (enExample)
CA (1) CA1085501A (enExample)
DE (1) DE2747228C2 (enExample)
FR (1) FR2369584A1 (enExample)
GB (1) GB1588028A (enExample)
IT (1) IT1091023B (enExample)
NL (1) NL7711740A (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4415512A (en) * 1979-07-20 1983-11-15 Torobin Leonard B Method and apparatus for producing hollow metal microspheres and microspheroids
US4518934A (en) * 1982-02-16 1985-05-21 At&T Bell Laboratories Optical bistable device
EP0171192A1 (en) * 1984-07-11 1986-02-12 Hitachi, Ltd. Optical bistable device
US4887884A (en) * 1989-02-23 1989-12-19 Unisys Corporation Capillary non-linear optical waveguide device
US7511808B2 (en) * 2006-04-27 2009-03-31 Hewlett-Packard Development Company, L.P. Analyte stages including tunable resonant cavities and Raman signal-enhancing structures

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3610731A (en) * 1969-05-19 1971-10-05 Bell Telephone Labor Inc Bistable optical circuit using saturable absorber within a resonant cavity
US3813605A (en) * 1970-11-30 1974-05-28 Massachusetts Inst Technology Bistable optical device
US4012699A (en) * 1975-03-28 1977-03-15 Bell Telephone Laboratories, Incorporated Amplifying characteristics of a cavity-enclosed nonlinear medium

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3610731A (en) * 1969-05-19 1971-10-05 Bell Telephone Labor Inc Bistable optical circuit using saturable absorber within a resonant cavity
US3813605A (en) * 1970-11-30 1974-05-28 Massachusetts Inst Technology Bistable optical device
US4012699A (en) * 1975-03-28 1977-03-15 Bell Telephone Laboratories, Incorporated Amplifying characteristics of a cavity-enclosed nonlinear medium

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
EXBK/76 *
EXBK/77 *
EXRV/74 *
EXRV/76 *

Also Published As

Publication number Publication date
JPS5355137A (en) 1978-05-19
IT1091023B (it) 1985-06-26
GB1588028A (en) 1981-04-15
DE2747228A1 (de) 1978-05-11
BE860044A (fr) 1978-02-15
FR2369584B1 (enExample) 1983-10-14
US4121167A (en) 1978-10-17
CA1085501A (en) 1980-09-09
NL7711740A (nl) 1978-05-02
DE2747228C2 (de) 1986-04-17

Similar Documents

Publication Publication Date Title
ES8303202A1 (es) Perfeccionamientos en sistemas de control automaticos de ve-locidad para vehiculos pesados
GB1339733A (en) Methods and apparatus for controlling the motion of particles
GB1420669A (en) Electrochromic mirror
ES2103320T3 (es) Transductor de señal optica con margen dinamico extendido.
FR2411526A1 (fr) Appareil d'enregistrement et de reproduction de signaux video
SE8903258D0 (sv) Maettad halvledarlaserfoerstaerkare foer kompensering av optisk fiberdispersion
GB1342875A (en) Apparatus for guiding missiles along a sighting axis
FR2397763A1 (fr) Procede de commande de vehicules, notamment de modeles reduits radioguides
FR2369584A1 (fr) Procede et dispositif de commande de variations d'un signal optique
FR1453945A (fr) Dispositif pour la coloration de milieux biologiques, tels qu'étalements ou frottiseffectués sur des lames de verre
FR2412810A1 (fr) Dispositif de simulation de tir ou de mesure des distances a laser comprenant un emetteur laser et un dispositif de visee
FR2438358A1 (fr) Amplificateur a guide d'ondes capillaire de raman a signaux de stokes injectes
FR2449291A1 (fr) Procede d'equilibrage d'un dispositif optique integre a l'aide d'une couche metallique mince et dispositif obtenu par ce procede
FR2370951A1 (fr) Procede et dispositif de compensation de pesanteur pour missiles ou projectiles guides
FR2407607A1 (fr) Dispositif a commande automatique de gain d'un recepteur b.l.u. et recepteur b.l.u. comportant un tel dispositif
ES369327A1 (es) Maquina cosechadora combinada.
GB1297876A (enExample)
GB1429875A (en) Optical apparatus
FR2364572A1 (fr) Dispositif de telecommunications optiques
ATE9030T1 (de) Schaltgetriebe an einem nutzfahrzeug.
JPS52155901A (en) Transmission system for optical fiber
JPS52145005A (en) Highly densed recording signals reproduction device
FR2718539B1 (fr) Dispositif d'amplification de taux de modulation d'amplitude d'un faisceau optique.
FR2383551A1 (fr) Amplificateur a telecommande
FR1533820A (fr) Procédé pour empêcher la formation de stries, optiquement gênantes sur une fenêtre d'observation d'appareils optiques et appareils pourvus d'un dispositif pour l'application du procédé ci-dessus ou similaire

Legal Events

Date Code Title Description
ST Notification of lapse