FR2366718A1 - Modulateur de lumiere permettant l'obtention d'impulsions sombres - Google Patents
Modulateur de lumiere permettant l'obtention d'impulsions sombresInfo
- Publication number
- FR2366718A1 FR2366718A1 FR7716045A FR7716045A FR2366718A1 FR 2366718 A1 FR2366718 A1 FR 2366718A1 FR 7716045 A FR7716045 A FR 7716045A FR 7716045 A FR7716045 A FR 7716045A FR 2366718 A1 FR2366718 A1 FR 2366718A1
- Authority
- FR
- France
- Prior art keywords
- pulses
- obtaining
- light modulator
- dark pulses
- dark
- 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
Links
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 230000001360 synchronised effect Effects 0.000 abstract 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
- G02F2/00—Demodulating light; Transferring the modulation of modulated light; Frequency-changing of light
- G02F2/02—Frequency-changing of light, e.g. by quantum counters
-
- 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
- G02F1/3526—Non-linear optics using two-photon emission or absorption processes
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lasers (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
- Spectrometry And Color Measurement (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/727,747 US4036554A (en) | 1976-09-29 | 1976-09-29 | Laser modulator for producing dark-pulses |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2366718A1 true FR2366718A1 (fr) | 1978-04-28 |
FR2366718B1 FR2366718B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1980-07-11 |
Family
ID=24923895
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7716045A Granted FR2366718A1 (fr) | 1976-09-29 | 1977-05-17 | Modulateur de lumiere permettant l'obtention d'impulsions sombres |
Country Status (5)
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59137786A (ja) * | 1983-01-25 | 1984-08-07 | Mitsubishi Heavy Ind Ltd | 復水器の空気抽出装置 |
US4820016A (en) * | 1986-02-21 | 1989-04-11 | American Telephone And Telegraph Company, At&T Bell Laboratories | Waveguide-containing communications and sensing systems |
US4958921A (en) * | 1986-09-19 | 1990-09-25 | The United States Of America As Represented By The United States Department Of Energy | Light-driven phase shifter |
DE3906068C2 (de) * | 1989-02-27 | 1995-03-16 | Max Planck Gesellschaft | Einrichtung zur Modulation einer optischen Welle mit einer Mikrowelle |
JPH10504659A (ja) * | 1994-08-23 | 1998-05-06 | ブリティッシュ・テレコミュニケーションズ・パブリック・リミテッド・カンパニー | ダークパルス生成 |
US8780948B2 (en) * | 2012-02-20 | 2014-07-15 | Raytheon Company | Precision photonic oscillator and method for generating an ultra-stable frequency reference using a two-photon rubidium transition |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3909749A (en) * | 1971-05-12 | 1975-09-30 | Bell Telephone Labor Inc | Optical transmission employing modulation transfer to a new carrier by two-photon absorption |
-
1976
- 1976-09-29 US US05/727,747 patent/US4036554A/en not_active Expired - Lifetime
-
1977
- 1977-04-05 GB GB14275/77A patent/GB1534479A/en not_active Expired
- 1977-05-17 FR FR7716045A patent/FR2366718A1/fr active Granted
- 1977-06-03 JP JP6495977A patent/JPS5342843A/ja active Granted
- 1977-06-23 DE DE19772728359 patent/DE2728359A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
JPS563530B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1981-01-26 |
GB1534479A (en) | 1978-12-06 |
FR2366718B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1980-07-11 |
US4036554A (en) | 1977-07-19 |
JPS5342843A (en) | 1978-04-18 |
DE2728359A1 (de) | 1978-03-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2365792A1 (fr) | Spectrophotometre associe a des photodiodes | |
FR2388201A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
FR2396419A1 (fr) | Diode capable de fonctionner en emetteur et detecteur de lumiere de la meme longueur d'onde alternativement | |
FR2451591A1 (fr) | Composant a guides d'ondes de lumiere optiques, procede pour sa fabrication, et son application a la technique des communications par voie optique | |
FR2366718A1 (fr) | Modulateur de lumiere permettant l'obtention d'impulsions sombres | |
FR2357056A1 (fr) | Panneau d'affichage a decharge | |
CA1267546C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
FR2456962A1 (fr) | Appareil de trace en couleurs | |
FR2442460A1 (fr) | Dispositif de modulation optique | |
BR7603625A (pt) | Celulas de cristal liquido enderecadas por feixe | |
FR2438262A1 (fr) | Dispositif de traitement de spectre laser appliquant des retards temporels | |
FR2393386A1 (fr) | Cellule d'affichage electrolytique a ecran poreux | |
FR2440612A1 (fr) | Intensificateur d'images colorees | |
FR2694628B1 (fr) | Cellule photo-electrique, notamment submersible, et attache rapide pour sa fixation sur une source de lumiere ultraviolette. | |
FR2443138A1 (fr) | Procede de chauffage optique d'un corps solide par deux longueurs d'onde | |
Rech et al. | Modification of the Hansatech FMS fluorometer to facilitate measurements with microalgal cultures | |
JPS53115247A (en) | Light intensity modulating and optical path changing device using prisms | |
ES517092A0 (es) | Procedimiento para la fabricacion de una celula de exhibicion optica del tipo de cristal liquido. | |
SU1007065A1 (ru) | Модул тор оптических сигналов | |
RU98100821A (ru) | Детектор подвижных микроорганизмов | |
SU452021A1 (ru) | Ячейка индикации | |
SU570822A1 (ru) | Рефрактометрическа кювета | |
JPS53130047A (en) | Photo coupling circuit | |
SU868619A1 (ru) | Когерентный оптический анализатор пространственных спектров двумерных сигналов | |
JPS5321944A (en) | Displaying device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |