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1. WO2016173905 - OPTICAL SYSTEM AND METHOD FOR POINTING A LASER THROUGH THE ATMOSPHERE

Publication Number WO/2016/173905
Publication Date 03.11.2016
International Application No. PCT/EP2016/058772
International Filing Date 20.04.2016
IPC
G01S 17/66 2006.01
GPHYSICS
01MEASURING; TESTING
SRADIO 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
17Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
66Tracking systems using electromagnetic waves other than radio waves
F41H 13/00 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
41WEAPONS
HARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
13Means of attack or defence not otherwise provided for
F41G 5/08 2006.01
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
41WEAPONS
GWEAPON SIGHTS; AIMING
5Elevating or traversing control systems for guns
08Ground-based tracking-systems for aerial targets
G01S 3/786 2006.01
GPHYSICS
01MEASURING; TESTING
SRADIO 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
3Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
78using electromagnetic waves other than radio waves
782Systems for determining direction or deviation from predetermined direction
785using adjustment of orientation of directivity characteristics of a detector or detector system to give a desired condition of signal derived from that detector or detector system
786the desired condition being maintained automatically
CPC
F41G 5/08
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
41WEAPONS
GWEAPON SIGHTS; AIMING
5Elevating or traversing control systems for guns
08Ground-based tracking-systems for aerial targets
F41H 13/0043
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
41WEAPONS
HARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
13Means of attack or defence not otherwise provided for
0043Directed energy weapons, i.e. devices that direct a beam of high energy content toward a target for incapacitating or destroying the target
F41H 13/005
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
41WEAPONS
HARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
13Means of attack or defence not otherwise provided for
0043Directed energy weapons, i.e. devices that direct a beam of high energy content toward a target for incapacitating or destroying the target
005the high-energy beam being a laser beam
G01S 17/66
GPHYSICS
01MEASURING; TESTING
SRADIO 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
17Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
66Tracking systems using electromagnetic waves other than radio waves
G01S 3/7864
GPHYSICS
01MEASURING; TESTING
SRADIO 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
3Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
78using electromagnetic waves other than radio waves
782Systems for determining direction or deviation from predetermined direction
785using adjustment of orientation of directivity characteristics of a detector or detector system to give a desired condition of signal derived from that detector or detector system
786the desired condition being maintained automatically
7864T.V. type tracking systems
Applicants
  • THALES [FR]/[FR]
Inventors
  • CAORS, Antonin
  • BUSTIN, Bruno
Agents
  • HENRIOT, Marie-Pierre
Priority Data
150091430.04.2015FR
Publication Language French (FR)
Filing Language French (FR)
Designated States
Title
(EN) OPTICAL SYSTEM AND METHOD FOR POINTING A LASER THROUGH THE ATMOSPHERE
(FR) SYSTEME OPTIQUE ET PROCEDE DE POINTAGE LASER A TRAVERS L'ATMOSPHERE
Abstract
(EN)
The invention concerns an optical system for pointing a laser at a target (100) through the atmosphere, with four optical paths: - a passive imaging path with an auxiliary camera (1) linked to a coarse pointing control device (2), - an illumination path with a pulsed illumination source (5) and time-synchronisation means (11), said paths comprising a first shared coarse pointing optical device (4), - an effector path with a power laser source (171), - an active imaging path with: • a high-speed camera (101) synchronised with the illumination source (5) by the synchronisation means (11), and linked to a fine pointing control device (121), • means for harmonising the high-speed camera (101) with the power laser source (171), The active imaging and effector paths form a pair and comprise - a second shared coarse pointing optical device (141), the coarse pointing devices being controlled by the coarse pointing control device (2), a shared fine pointing optical device (161), controlled by the fine pointing control device (121), and the coarse pointing control device (2) is linked to the fine pointing control device (121).
(FR)
L'invention concerne un système optique de pointage laser d'une cible (1 00) à travers l'atmosphère, avec quatre voies optiques : - une voie d'imagerie passive avec une caméra auxiliaire (1) reliée à un dispositif (2) de contrôle de pointage grossier, - une voie d'illumination avec une source d'illumination impulsionnelle (5) et des moyens de synchronisation temporelle (11), ces voies comportant un premier dispositif optique commun de pointage grossier (4), - une voie d'effecteur avec une source laser de puissance (171), - une voie d'imagerie active avec : • une caméra haute cadence (101) synchronisée avec la source d'illumination (5) par les moyens de synchronisation (11), et reliée à un dispositif (121) de contrôle de pointage fin, • des moyens d'harmonisation de la caméra haute cadence (101) avec la source laser de puissance (171), Les voies d'imagerie active et d'effecteur forment une paire et comportent - un second dispositif optique commun (141) de pointage grossier, les dispositifs de pointage grossier étant commandés par le dispositif de contrôle de pointage grossier (2), un dispositif optique commun de pointage fin (161), commandé par le dispositif de contrôle de pointage fin (121), et le dispositif de contrôle de pointage grossier (2) est relié au dispositif de contrôle de pointage fin (121).
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