FR2863791B1 - Generation d'impulsions multiples - Google Patents

Generation d'impulsions multiples

Info

Publication number
FR2863791B1
FR2863791B1 FR0211198A FR0211198A FR2863791B1 FR 2863791 B1 FR2863791 B1 FR 2863791B1 FR 0211198 A FR0211198 A FR 0211198A FR 0211198 A FR0211198 A FR 0211198A FR 2863791 B1 FR2863791 B1 FR 2863791B1
Authority
FR
France
Prior art keywords
generation
multiple pulses
pulses
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 - Lifetime
Application number
FR0211198A
Other languages
English (en)
Other versions
FR2863791A1 (fr
Inventor
Martyn Robert Jennings
Lee Douglas Miller
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.)
MBDA UK Ltd
Original Assignee
MBDA UK 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 MBDA UK Ltd filed Critical MBDA UK Ltd
Publication of FR2863791A1 publication Critical patent/FR2863791A1/fr
Application granted granted Critical
Publication of FR2863791B1 publication Critical patent/FR2863791B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/10—Beam splitting or combining systems
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/0087—Phased arrays
    • 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
    • G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
    • G02B6/2861—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using fibre optic delay lines and optical elements associated with them, e.g. for use in signal processing, e.g. filtering
    • 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
    • H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
    • H04B10/112—Line-of-sight transmission over an extended range
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/28—Details of pulse systems
    • G01S7/282—Transmitters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/483—Details of pulse systems
    • G01S7/484—Transmitters
    • 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
    • G02F2203/00—Function characteristic
    • G02F2203/54—Optical pulse train (comb) synthesizer
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/005—Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping
    • H01S3/0057—Temporal shaping, e.g. pulse compression, frequency chirping

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Optical Communication System (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Waveguide Aerials (AREA)
FR0211198A 2001-09-19 2002-09-10 Generation d'impulsions multiples Expired - Lifetime FR2863791B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0123640.5A GB0123640D0 (en) 2001-09-19 2001-09-19 Multiple pulse generation

Publications (2)

Publication Number Publication Date
FR2863791A1 FR2863791A1 (fr) 2005-06-17
FR2863791B1 true FR2863791B1 (fr) 2006-08-18

Family

ID=9923097

Family Applications (2)

Application Number Title Priority Date Filing Date
FR0211198A Expired - Lifetime FR2863791B1 (fr) 2001-09-19 2002-09-10 Generation d'impulsions multiples
FR0211617A Pending FR2854470A1 (fr) 2001-09-19 2002-09-19 Appareil pour diriger les rayonnements electromagnetiques

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR0211617A Pending FR2854470A1 (fr) 2001-09-19 2002-09-19 Appareil pour diriger les rayonnements electromagnetiques

Country Status (5)

Country Link
US (2) US7068424B1 (fr)
DE (2) DE10245494B4 (fr)
FR (2) FR2863791B1 (fr)
GB (3) GB0123640D0 (fr)
IT (1) ITWX20020015A1 (fr)

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Also Published As

Publication number Publication date
GB0219400D0 (en) 2003-04-09
DE10245495A1 (de) 2004-04-22
FR2863791A1 (fr) 2005-06-17
DE10245494B4 (de) 2011-07-14
FR2854470A1 (fr) 2004-11-05
GB2384126A (en) 2003-07-16
US7068424B1 (en) 2006-06-27
US6992829B1 (en) 2006-01-31
GB2384126B (en) 2005-06-29
GB0219401D0 (en) 2003-04-09
DE10245494A1 (de) 2007-05-31
GB2385913A (en) 2003-09-03
GB2385913B (en) 2005-07-06
ITWX20020015A1 (it) 2003-03-20
GB0123640D0 (en) 2003-04-09

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