GB9501805D0 - Optical protetion device - Google Patents

Optical protetion device

Info

Publication number
GB9501805D0
GB9501805D0 GBGB9501805.7A GB9501805A GB9501805D0 GB 9501805 D0 GB9501805 D0 GB 9501805D0 GB 9501805 A GB9501805 A GB 9501805A GB 9501805 D0 GB9501805 D0 GB 9501805D0
Authority
GB
United Kingdom
Prior art keywords
protetion
optical
protetion device
optical protetion
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
GBGB9501805.7A
Other versions
GB2317709B (en
GB2317709A (en
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.)
Thales SA
Original Assignee
Thomson CSF 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 Thomson CSF SA filed Critical Thomson CSF SA
Publication of GB9501805D0 publication Critical patent/GB9501805D0/en
Publication of GB2317709A publication Critical patent/GB2317709A/en
Application granted granted Critical
Publication of GB2317709B publication Critical patent/GB2317709B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/35—Non-linear optics
    • G02F1/39—Non-linear optics for parametric generation or amplification of light, infrared or ultraviolet waves
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/02—Goggles
    • A61F9/022—Use of special optical filters, e.g. multiple layers, filters for protection against laser light or light from nuclear explosions, screens with different filter properties on different parts of the screen; Rotating slit-discs
    • A61F9/023—Use of special optical filters, e.g. multiple layers, filters for protection against laser light or light from nuclear explosions, screens with different filter properties on different parts of the screen; Rotating slit-discs with variable transmission, e.g. photochromic

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
GB9501805A 1994-02-04 1995-01-31 Optical protection device Expired - Fee Related GB2317709B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9401270A FR2751435A1 (en) 1994-02-04 1994-02-04 OPTICAL PROTECTION DEVICE

Publications (3)

Publication Number Publication Date
GB9501805D0 true GB9501805D0 (en) 1997-12-24
GB2317709A GB2317709A (en) 1998-04-01
GB2317709B GB2317709B (en) 1998-07-08

Family

ID=9459788

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9501805A Expired - Fee Related GB2317709B (en) 1994-02-04 1995-01-31 Optical protection device

Country Status (2)

Country Link
FR (1) FR2751435A1 (en)
GB (1) GB2317709B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2831722A1 (en) * 2001-10-30 2003-05-02 Thales Sa OPTICAL PARAMETRIC OSCILLATOR WITH HIGH BEAM QUALITY

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4180751A (en) * 1978-09-08 1979-12-25 Gte Sylvania Incorporated Mode-locked optical parametric oscillator apparatus
US4909609A (en) * 1988-08-04 1990-03-20 The United States Of America As Represented By The Secretary Of The Navy Nonlinear optical protection against frequency agile lasers
FR2649833A1 (en) * 1989-07-11 1991-01-18 Thomson Csf TUNABLE POWER SOURCE SOURCE
US5053641A (en) * 1989-07-14 1991-10-01 Cornell Research Foundation, Inc. Tunable optical parametric oscillator
US5181211A (en) * 1991-05-20 1993-01-19 Fibertek, Inc. Eye-safe laser system

Also Published As

Publication number Publication date
GB2317709B (en) 1998-07-08
GB2317709A (en) 1998-04-01
FR2751435A1 (en) 1998-01-23

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20010131