EP0745226A1 - Systeme d'arme pour un laser - Google Patents

Systeme d'arme pour un laser

Info

Publication number
EP0745226A1
EP0745226A1 EP95940994A EP95940994A EP0745226A1 EP 0745226 A1 EP0745226 A1 EP 0745226A1 EP 95940994 A EP95940994 A EP 95940994A EP 95940994 A EP95940994 A EP 95940994A EP 0745226 A1 EP0745226 A1 EP 0745226A1
Authority
EP
European Patent Office
Prior art keywords
laser
target
weapon system
pulse
parameters
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.)
Ceased
Application number
EP95940994A
Other languages
German (de)
English (en)
Inventor
Gunther Sepp
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0745226A1 publication Critical patent/EP0745226A1/fr
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H13/00—Means of attack or defence not otherwise provided for
    • F41H13/0043—Directed energy weapons, i.e. devices that direct a beam of high energy content toward a target for incapacitating or destroying the target
    • F41H13/005—Directed energy weapons, i.e. devices that direct a beam of high energy content toward a target for incapacitating or destroying the target the high-energy beam being a laser beam
    • F41H13/0056—Directed energy weapons, i.e. devices that direct a beam of high energy content toward a target for incapacitating or destroying the target the high-energy beam being a laser beam for blinding or dazzling, i.e. by overstimulating the opponent's eyes or the enemy's sensor equipment
    • 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
    • G01S7/491—Details of non-pulse systems
    • 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
    • G01S7/495—Counter-measures or counter-counter-measures using electronic or electro-optical means

Definitions

  • the invention relates to a weapon system for a dazzling laser with directed laser radiation of suitable wavelength, intensity and duration according to the preamble of claim 1.
  • a single-mode laser for eye treatment has become known from the publication DE 36 03 334 A1, in which an aperture equipped with two separate openings is arranged in the resonator in such a way that the openings lie in front of one of the end faces of the laser rod.
  • the single-mode pulses emitted by this laser have a divergence below 2 mrad and an energy of 15 mJ as well as a pulse duration of approximately 10 nsec.
  • This device is to be used for ophthalmology. However, use as a blinding laser is not possible with this.
  • the present invention has for its object to provide a device according to the preamble, with which in the irradiated person a loss of vision for at least several seconds to minutes reliably is generated without permanent damage to the retina.
  • the facility should not be able to be neutralized by simple countermeasures.
  • the human eye in question is irradiated with directed laser radiation of suitable wavelength, intensity and duration.
  • laser radiation of suitable wavelength, intensity and duration.
  • this is focused through the eye lens onto an extremely small spot on the retina that is only limited by diffraction effects. This increases the radiation intensity by about five orders of magnitude.
  • Even with low laser energy entering the eye this can lead to a loss of visual pigment, a change in the nervous irritability of the retina and thus to an impairment of adaptability, to fatigue, blinding pain, eyelid reactions and thus to a deterioration or complete loss of the selection functions - such as contrast sensitivity, visual acuity etc. - drive.
  • a pulsed laser with a wavelength ⁇ of approximately 0.5 is visible and 0.6 ⁇ m and a pulse length of * 10 ns are proposed.
  • a visible wavelength is chosen because otherwise a reliable eye glare cannot be guaranteed even with high, eye-damaging laser energies. It is also advisable not to always choose the same, fixed value for the wavelength, but to make it variable or adjustable within a sufficiently large range, because otherwise laser safety glasses set up for the usual laser wavelengths could prevent glare as a countermeasure.
  • the use of a single, very short laser pulse to blind the eyes makes simple countermeasures such as the closing of mechanical shutters or the light-closing reflex of the eye ineffective.
  • the eye glare is generated by a pulse sequence of several pulses from a pulse laser with a sufficiently high pulse frequency or by a continuously radiating laser, for example a diode laser array, if the duration of the irradiation is below approx. 0.1 s remains.
  • the laser energy range between the reversible "flashlight glare" desired in the eye-glare laser and irreversible eye damage is relatively small in the day-adapted eye.
  • the following threshold values apply to the proposed pulse laser for intraocular exposure:
  • Hemorrhage 80-150 ⁇ J
  • the energy threshold for glare is significantly lower, so that the distance between glare and damage is considerably larger.
  • Nd: YAG solid-state laser which is pumped by flash lamps and is designed to double the frequency is proposed as an exemplary embodiment of such a glare laser. Its wavelength is 0.53 ⁇ m - i.e. in the green spectral range - and its pulse length is 10 ns. The pulse energy is ⁇ 50 mJ for the single pulse and ⁇ 0.5 mJ for a pulse train at 1 kHz.
  • By suitable selection of the laser material by so-called Raman cells or OPO's (optical parametric oscillators) or by other means of the prior art, such other laser wavelengths can be generated. It is envisaged that the laser shooter can also select at least one other such wavelength.
  • diode laser arrays with high power and wavelengths in the yellow and green will also become available. Such continuously radiating lasers are also well suited as sources for a glare laser.
  • the carrier of such a laser is a "rifle” with a target device, which can be a simple telescope or a night vision device (residual light amplifier or thermal imaging device).
  • a target device which can be a simple telescope or a night vision device (residual light amplifier or thermal imaging device).
  • the rifle and target device as well as other measuring devices for target detection are connected to a control computer and one from the "shooter" in one Carrier device to be transported power supply connected.
  • a target clarification ie a determination of relevant target and environmental parameters, which can be done by measurement or estimation, is necessary.
  • the most important target parameter namely the distance of the target person, it must be determined whether the target person is visible to the naked eye or see through binoculars, which affects the light intensity.
  • the transmission of sunglasses that influence the laser radiation may also have to be estimated.
  • the environmental parameters include the light conditions determining the eye adaptation (pupil opening) and the metereological visibility and turbulence of the atmosphere, on which the transmission and intensity fluctuation of the laser radiation from the laser to the target person depend.
  • the presence of an undisturbed and clear line of sight or of leaves in the line of sight or of window glass behind which the target person stands must be assessed.
  • the target distance can be, for example, by a Range finder, the visibility by contrast measurements as a function of the distance, the light conditions are determined by an exposure meter.
  • the intraocular exposure to be achieved and the laser beam diameter in the target range are determined by the shooter and entered into the control computer.
  • the strength of the eye glare and the safety distance of the laser energy from irreversible eye damage can be selected to suit the situation.
  • the laser beam only blinds the eyes of one or more selected target persons, but not those standing in their surroundings are not blinded. It can also be ensured that both eyes of the target person are dazzled, especially with short target distances.
  • control computer which can be, for example, a "Newton notepad”. This is preferably done automatically if the target reconnaissance values were determined using measuring devices, and by the shooter if it concerns his estimated values or the desired laser beam diameter. From this, the control computer then calculates the laser parameters required for eye dazzling in a known manner and sets and regulates them beforehand, ie the beam divergence by means of the transmitting optics, the single pulse or the pulse sequence and the pulse energy of the “laser shot” to be fired by the shooter when required.
  • the control computer first calculates the pupil opening of the target person to be expected from the measured light conditions and then determines the energy density to be achieved there for a single pulse of the laser from the intraocular exposure to be achieved and the desired laser beam diameter at the target.
  • the control computer uses the values of the distance to the target and the range of vision, the control computer then calculates the transmission of the propagation distance from the laser to the target person and from this the energy of the laser pulse to be radiated.
  • the control computer calculates a corresponding correction for the beam divergence for fine tuning. He also takes into account the fact that, in accordance with the turbulence intensity entered in the path of the laser beam, the required pulse energy has to be reduced in order to maintain the desired safety distance of the laser energy from irreversible eye damage despite the turbulence-related possible short-term higher laser energy density at the target.
  • the control computer calculates the intraocular exposure to be achieved for continuous lasers of this wavelength as well as the other relevant parameters described, and determines the laser power to be emitted and the duration of the radiation.
  • the control computer calculates the intraocular exposure to be achieved for continuous lasers of this wavelength as well as the other relevant parameters described, and determines the laser power to be emitted and the duration of the radiation.
  • the usable range of the system described above depends not only on the laser parameters, but also on the measurement or estimation accuracy of the target reconnaissance and, in good visibility and measurement conditions, is approximately ⁇ 1 km by day and ⁇ 5 km by night.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Engineering & Computer Science (AREA)
  • Optical Radar Systems And Details Thereof (AREA)

Abstract

L'invention concerne un système d'arme pour un laser d'aveuglement, pourvu d'un faisceau laser dirigé de longueur d'onde, d'intensité et de durée adéquates, pouvant être utilisé comme arme d'aveuglement, possédant une grande puissance d'aveuglement mais n'entraînant aucun dommage permanent des yeux. Un mode de réalisation est décrit.
EP95940994A 1994-12-15 1995-11-22 Systeme d'arme pour un laser Ceased EP0745226A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4444636 1994-12-15
DE4444636A DE4444636A1 (de) 1994-12-15 1994-12-15 Waffensystem für einen Blendlaser
PCT/EP1995/004588 WO1996018912A1 (fr) 1994-12-15 1995-11-22 Systeme d'arme pour un laser

Publications (1)

Publication Number Publication Date
EP0745226A1 true EP0745226A1 (fr) 1996-12-04

Family

ID=6535847

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95940994A Ceased EP0745226A1 (fr) 1994-12-15 1995-11-22 Systeme d'arme pour un laser

Country Status (4)

Country Link
US (1) US5837918A (fr)
EP (1) EP0745226A1 (fr)
DE (1) DE4444636A1 (fr)
WO (1) WO1996018912A1 (fr)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19745785C2 (de) * 1997-10-16 2002-12-05 Eads Deutschland Gmbh Laserstrahlungsquelle für ein DIRCM-Waffensystem
DE19804720B4 (de) * 1998-02-06 2008-12-18 Lfk-Lenkflugkörpersysteme Gmbh Verfahren zur adaptiven Strahlregelung von Mittelenergielaserwaffen
FR2844347B1 (fr) * 2002-09-06 2006-11-24 Tda Armements Sas Procede et dispositif de protection contre des individus, par induction a distance de sensations perturbantes
US6898890B2 (en) * 2003-03-28 2005-05-31 American Technologies Network Corp. Night-vision optical device having controlled life expectancy
US20050279205A1 (en) * 2004-06-14 2005-12-22 Rockwell Scientific Licensing, Llc Non-lethal laser-based disorientation system
DE102005062836A1 (de) * 2004-09-14 2007-06-28 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren und Vorrichtung nicht-letalen Einwirkens auf Objekte
US7304288B2 (en) * 2005-07-06 2007-12-04 The United States Of America As Represented By The Secretary Of The Navy Laser pulse counter
MX2009008905A (es) 2007-02-20 2009-08-28 Wavestream Corp Sistema de enfoque de energia para aparato de rechazo activo.
US7921588B2 (en) * 2007-02-23 2011-04-12 Raytheon Company Safeguard system for ensuring device operation in conformance with governing laws
US8051761B1 (en) * 2007-11-16 2011-11-08 The Boeing Company System and methods for broad area visual obscuration
CA2750244C (fr) * 2008-01-03 2017-03-07 Wi-Charge Ltd. Emetteur de puissance a laser sans fil
US8203698B2 (en) * 2008-02-28 2012-06-19 B.E. Meyers & Co. Inc. Control modules for laser systems having auto-ranging and control capability
US20100172136A1 (en) * 2008-11-17 2010-07-08 Williamson Iii Robert S Compact non-lethal optical disruption device
US8634065B2 (en) 2009-08-07 2014-01-21 Eads Deutschland Gmbh Method for operating a jamming laser in a DIRCM system in a manner that is safe for eyes
GB201005467D0 (en) * 2010-03-31 2010-05-19 Bae Systems Plc Dazzlers
DE102010048545B4 (de) * 2010-10-14 2015-03-19 Airbus Defence and Space GmbH Akustische Waffe sowie Verfahren zur nicht-letalen Personenbekämpfung
DE102011009459B4 (de) 2011-01-26 2015-08-20 Diehl Bgt Defence Gmbh & Co. Kg Verfahren und Vorrichtung zum Abwehren eines angreifenden Flugkörpers
US9714815B2 (en) 2012-06-19 2017-07-25 Lockheed Martin Corporation Visual disruption network and system, method, and computer program product thereof
US9632168B2 (en) * 2012-06-19 2017-04-25 Lockheed Martin Corporation Visual disruption system, method, and computer program product
JP6025535B2 (ja) 2012-12-03 2016-11-16 三菱重工業株式会社 指向性エネルギー照射装置
US9103628B1 (en) 2013-03-14 2015-08-11 Lockheed Martin Corporation System, method, and computer program product for hostile fire strike indication
US9196041B2 (en) 2013-03-14 2015-11-24 Lockheed Martin Corporation System, method, and computer program product for indicating hostile fire
US9146251B2 (en) 2013-03-14 2015-09-29 Lockheed Martin Corporation System, method, and computer program product for indicating hostile fire
GB2520449B (en) * 2013-05-31 2015-07-01 Cerberus Black Ltd Acoustic apparatus and operation
US10415941B2 (en) 2016-08-11 2019-09-17 The Boeing Company System for visual obscuration of an object and dissipating energy of a laser weapon
DE102017100068A1 (de) * 2017-01-04 2018-07-05 Rheinmetall Waffe Munition Gmbh Lasersystem mit Schutzeinrichtung
US11131528B2 (en) * 2018-04-13 2021-09-28 Daniel Poplawski Dazzling system coupled to a camera mounted in a fixed location
CA3103639A1 (fr) 2018-06-13 2019-12-19 Bae Systems Plc Appareil pour une arme a energie dirigee
WO2019239134A1 (fr) 2018-06-13 2019-12-19 Bae Systems Plc Appareil destiné à une arme à énergie dirigée
CA3107870A1 (fr) 2018-06-13 2019-12-19 Bae Systems Plc Appareil pour une arme a energie dirigee
GB2590067B8 (en) 2019-11-14 2023-10-11 Bae Systems Plc A weapon system
US11747480B2 (en) * 2020-08-18 2023-09-05 IntelliShot Holdings, Inc. Automated threat detection and deterrence apparatus

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4112300A (en) * 1966-07-18 1978-09-05 International Telephone And Telegraph Corporation Infrared electronic countermeasures
GB1269892A (en) * 1969-03-20 1972-04-06 Messerschmitt Boelkow Blohm Weapon system for the detection of and use against stationary or moving objects
DE1914250C3 (de) * 1969-03-20 1974-04-04 Messerschmitt-Boelkow-Blohm Gmbh, 8000 Muenchen Optisches Waffensystem zur Ortung und Bekämpfung ruhender oder bewegter Objekte
US3641261A (en) * 1969-06-04 1972-02-08 Hughes Aircraft Co Night vision system
US3732412A (en) * 1972-06-13 1973-05-08 Us Army Method and system for personnel control with blinding illumination
US3863176A (en) * 1973-08-13 1975-01-28 Trw Inc Portable chemical laser
US3947221A (en) * 1974-08-30 1976-03-30 Mauser Francis P Personal protection device using flashcubes
FR2674342A1 (fr) * 1980-03-20 1992-09-25 Alsthom Cge Alcatel Procede et dispositif pour concentrer sur une cible l'energie d'un faisceau de rayonnement monochromatique.
US4486807A (en) * 1982-02-16 1984-12-04 Yanez Serge J Non-lethal self defense device
US4489415A (en) * 1982-07-12 1984-12-18 General Electric Company Pulse pumping an optically pumped laser
FR2557688A1 (fr) * 1983-12-28 1985-07-05 Europ Propulsion Dispositif de visee pour arme de tir avec correction du defilement lateral de la cible
US4893815A (en) * 1987-08-27 1990-01-16 Larry Rowan Interactive transector device commercial and military grade
US5064988A (en) * 1990-04-19 1991-11-12 Havis-Shields Equipment Corporation Laser light attachment for firearms
US5390204A (en) * 1992-09-25 1995-02-14 Incisive Technologies, Inc. Intracavity modulated pulsed laser with a variably controllable modulation frequency
US5456157A (en) * 1992-12-02 1995-10-10 Computing Devices Canada Ltd. Weapon aiming system
US5355609A (en) * 1992-12-04 1994-10-18 Schenke Reynold A Laser beam sighting apparatus with a selectively adjustable beam width
US5408541A (en) * 1993-01-05 1995-04-18 Lockheed Corporation Method and system for recognizing targets at long ranges
DE4430830C2 (de) * 1994-01-31 2003-06-26 Diehl Stiftung & Co Einrichtung zur Abwehr eines ein Luftfahrzeug angreifenden Luftziel-Flugkörpers

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO9618912A1 *

Also Published As

Publication number Publication date
DE4444636A1 (de) 1996-06-20
US5837918A (en) 1998-11-17
WO1996018912A1 (fr) 1996-06-20

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