FR2261548B1 - - Google Patents
Info
- Publication number
- FR2261548B1 FR2261548B1 FR7505053A FR7505053A FR2261548B1 FR 2261548 B1 FR2261548 B1 FR 2261548B1 FR 7505053 A FR7505053 A FR 7505053A FR 7505053 A FR7505053 A FR 7505053A FR 2261548 B1 FR2261548 B1 FR 2261548B1
- Authority
- FR
- France
- 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
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
- G02F1/01—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 for the control of the intensity, phase, polarisation or colour
- G02F1/03—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 for the control of the intensity, phase, polarisation or colour based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect
- G02F1/0305—Constructional arrangements
- G02F1/0311—Structural association of optical elements, e.g. lenses, polarizers, phase plates, with the crystal
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/005—Optical devices external to the laser cavity, specially adapted for lasers, e.g. for homogenisation of the beam or for manipulating laser pulses, e.g. pulse shaping
- H01S3/0085—Modulating the output, i.e. the laser beam is modulated outside the laser cavity
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
- Lasers (AREA)
- Optical Communication System (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA192,726A CA1003500A (en) | 1974-02-18 | 1974-02-18 | Optical modulator having compensation for thermal and space charge effects |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2261548A1 FR2261548A1 (en) | 1975-09-12 |
FR2261548B1 true FR2261548B1 (nl) | 1978-10-06 |
Family
ID=4099216
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7505053A Granted FR2261548A1 (en) | 1974-02-18 | 1975-02-18 | Optical modulator for communication systems - utilises light beam delay time to effect the necessary modulation |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS50141343A (nl) |
CA (1) | CA1003500A (nl) |
FR (1) | FR2261548A1 (nl) |
NL (1) | NL7501837A (nl) |
SE (1) | SE7501808L (nl) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56157872A (en) * | 1980-05-10 | 1981-12-05 | Sumitomo Electric Ind Ltd | Light-applying voltage and electric field sensor |
JPS59107271A (ja) * | 1982-12-10 | 1984-06-21 | Mitsubishi Electric Corp | 光フアイバ応用センサ |
JPS60227226A (ja) * | 1984-04-25 | 1985-11-12 | Victor Co Of Japan Ltd | 電界効果型光変調器 |
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1974
- 1974-02-18 CA CA192,726A patent/CA1003500A/en not_active Expired
-
1975
- 1975-02-17 NL NL7501837A patent/NL7501837A/nl unknown
- 1975-02-18 FR FR7505053A patent/FR2261548A1/fr active Granted
- 1975-02-18 SE SE7501808A patent/SE7501808L/xx unknown
- 1975-02-18 JP JP50019508A patent/JPS50141343A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
SE7501808L (nl) | 1975-08-19 |
CA1003500A (en) | 1977-01-11 |
DE2506748B2 (de) | 1977-01-13 |
FR2261548A1 (en) | 1975-09-12 |
JPS50141343A (nl) | 1975-11-13 |
DE2506748A1 (de) | 1975-08-21 |
NL7501837A (nl) | 1975-08-20 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |