GB2317709B - Optical protection device - Google Patents
Optical protection deviceInfo
- Publication number
- GB2317709B GB2317709B GB9501805A GB9501805A GB2317709B GB 2317709 B GB2317709 B GB 2317709B GB 9501805 A GB9501805 A GB 9501805A GB 9501805 A GB9501805 A GB 9501805A GB 2317709 B GB2317709 B GB 2317709B
- Authority
- GB
- United Kingdom
- Prior art keywords
- protection device
- optical protection
- optical
- protection
- 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 - Fee Related
Links
- 230000003287 optical effect Effects 0.000 title 1
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)
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 GB9501805D0 (en) | 1997-12-24 |
GB2317709A GB2317709A (en) | 1998-04-01 |
GB2317709B true 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)
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 |
Citations (5)
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 |
US5053641A (en) * | 1989-07-14 | 1991-10-01 | Cornell Research Foundation, Inc. | Tunable optical parametric oscillator |
US5088096A (en) * | 1989-07-11 | 1992-02-11 | Thomson-Csf | Tunable power laser |
US5181211A (en) * | 1991-05-20 | 1993-01-19 | Fibertek, Inc. | Eye-safe laser system |
-
1994
- 1994-02-04 FR FR9401270A patent/FR2751435A1/en active Pending
-
1995
- 1995-01-31 GB GB9501805A patent/GB2317709B/en not_active Expired - Fee Related
Patent Citations (5)
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 |
US5088096A (en) * | 1989-07-11 | 1992-02-11 | Thomson-Csf | Tunable power laser |
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 |
---|---|
GB2317709A (en) | 1998-04-01 |
FR2751435A1 (en) | 1998-01-23 |
GB9501805D0 (en) | 1997-12-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20010131 |