WO2008009863A3 - Procede et dispositif pour creer une source de rayonnement pulsee dans le domaine des terahertz, et application mettant en oeuvre un tel procede - Google Patents
Procede et dispositif pour creer une source de rayonnement pulsee dans le domaine des terahertz, et application mettant en oeuvre un tel procede Download PDFInfo
- Publication number
- WO2008009863A3 WO2008009863A3 PCT/FR2007/051692 FR2007051692W WO2008009863A3 WO 2008009863 A3 WO2008009863 A3 WO 2008009863A3 FR 2007051692 W FR2007051692 W FR 2007051692W WO 2008009863 A3 WO2008009863 A3 WO 2008009863A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- source
- terahertz
- filament
- creating
- realizing
- 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
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3581—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using far infrared light; using Terahertz radiation
-
- 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
- G02F1/3511—Self-focusing or self-trapping of light; Light-induced birefringence; Induced optical Kerr-effect
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
-
- 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
- G02F2203/13—Function characteristic involving THZ radiation
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Toxicology (AREA)
- Optics & Photonics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Plasma Technology (AREA)
Abstract
L'invention concerne un procédé pour créer une source térahertz (4). Pour ce faire, on engendre un filament (5) à partir d'un faisceau laser femtoseconde (2). Le filament (5) est une colonne de plasma localisée sur l'axe de propagation du faisceau laser. La source (4) de rayonnement térahertz est constituée par l'ensemble des sections ponctuelles du filament (5). Cette source émet un rayonnement térahertz (6) selon un cône d'émission dirigé selon l'axe de propagation des impulsions laser (2). La source térahertz (4) peut être placée à proximité d'une cible à irradier. Le déplacement se fait en déplaçant le faisceau laser (2) à l'origine du filament (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP07823610A EP2047234A2 (fr) | 2006-07-19 | 2007-07-19 | Procede et dispositif pour creer une source de rayonnement pulsee dans le domaine des terahertz, et application mettant en oeuvre un tel procede |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0606548A FR2904154B1 (fr) | 2006-07-19 | 2006-07-19 | "procede et dispositif pour creer une source de rayonnement pulsee dans le domaine des terahertz,et application mettant en oeuvre un tel procede" |
| FR0606548 | 2006-07-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2008009863A2 WO2008009863A2 (fr) | 2008-01-24 |
| WO2008009863A3 true WO2008009863A3 (fr) | 2008-03-13 |
Family
ID=37866239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/FR2007/051692 Ceased WO2008009863A2 (fr) | 2006-07-19 | 2007-07-19 | Procede et dispositif pour creer une source de rayonnement pulsee dans le domaine des terahertz, et application mettant en oeuvre un tel procede |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2047234A2 (fr) |
| FR (1) | FR2904154B1 (fr) |
| WO (1) | WO2008009863A2 (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103411891A (zh) * | 2013-07-29 | 2013-11-27 | 南开大学 | 太赫兹超分辨率成像方法和系统 |
| CN104764715B (zh) * | 2015-04-24 | 2017-05-31 | 南京大学 | 一种新型多频点、高灵敏太赫兹传感器的制造方法 |
-
2006
- 2006-07-19 FR FR0606548A patent/FR2904154B1/fr not_active Expired - Fee Related
-
2007
- 2007-07-19 EP EP07823610A patent/EP2047234A2/fr not_active Withdrawn
- 2007-07-19 WO PCT/FR2007/051692 patent/WO2008009863A2/fr not_active Ceased
Non-Patent Citations (8)
| Title |
|---|
| COUAIRON A ET AL: "Propagation of twin laser pulses in air and concatenation of plasma strings produced by femtosecond infrared filaments", OPTICS COMMUNICATIONS, NORTH-HOLLAND PUBLISHING CO. AMSTERDAM, NL, vol. 225, no. 1-3, 15 September 2003 (2003-09-15), pages 177 - 192, XP004454994, ISSN: 0030-4018 * |
| D'AMICO C ET AL: "Conical forward THz emission from femtosecond-laser-beam filamentation in air", PHYSICAL REVIEW LETTERS APS USA, vol. 98, no. 23, 8 June 2007 (2007-06-08), pages 235002/1 - 4, XP002463507, ISSN: 0031-9007 * |
| MECHAIN ET AL: "Femtosecond filamentation in air at low pressures. Part II: Laboratory experiments", OPTICS COMMUNICATIONS, NORTH-HOLLAND PUBLISHING CO. AMSTERDAM, NL, vol. 261, no. 2, 15 May 2006 (2006-05-15), pages 322 - 326, XP005401036, ISSN: 0030-4018 * |
| MECHAIN G ET AL: "Calorimetric detection of THz radiation from femtosecond filaments in air", APPLIED PHYSICS B (LASERS AND OPTICS) SPRINGER-VERLAG GERMANY, vol. B77, no. 8, December 2003 (2003-12-01), pages 707 - 709, XP002426951, ISSN: 0946-2171 * |
| NIBBERING E T J ET AL: "CONICAL EMISSION FROM SELF-GUIDED FEMTOSECOND PULSES IN AIR", OPTICS LETTERS, OSA, OPTICAL SOCIETY OF AMERICA, WASHINGTON, DC, US, vol. 21, no. 1, January 1996 (1996-01-01), pages 62 - 62A,63, XP000630281, ISSN: 0146-9592 * |
| TZORTZAKIS S ET AL: "Coherent subterahertz radiation from femtosecond infrared filaments in air", OPTICS LETTERS OPT. SOC. AMERICA USA, vol. 27, no. 21, 1 November 2002 (2002-11-01), pages 1944 - 1946, XP002426950, ISSN: 0146-9592 * |
| TZORTZAKIS S ET AL: "Concatenation of plasma filaments created in air by femtosecond infrared laser pulses", APPLIED PHYSICS B (LASERS AND OPTICS) SPRINGER-VERLAG GERMANY, vol. B76, no. 5, May 2003 (2003-05-01), pages 609 - 612, XP002463506, ISSN: 0946-2171 * |
| WILLE H ET AL: "TERAMOBILE: A MOBILE FEMTOSECOND-TERAWATT LASER AND DETECTION SYSTEM", EUROPEAN PHYSICAL JOURNAL APPLIED PHYSICS, EDP SCIENCES, LES ULIS, FR, vol. 20, no. 3, December 2002 (2002-12-01), pages 183 - 190, XP001205105, ISSN: 1286-0042 * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2047234A2 (fr) | 2009-04-15 |
| FR2904154A1 (fr) | 2008-01-25 |
| FR2904154B1 (fr) | 2010-04-16 |
| WO2008009863A2 (fr) | 2008-01-24 |
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