FR2280166B1 - - Google Patents
Info
- Publication number
- FR2280166B1 FR2280166B1 FR7522343A FR7522343A FR2280166B1 FR 2280166 B1 FR2280166 B1 FR 2280166B1 FR 7522343 A FR7522343 A FR 7522343A FR 7522343 A FR7522343 A FR 7522343A FR 2280166 B1 FR2280166 B1 FR 2280166B1
- 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
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- 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
- G02F1/09—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 magneto-optical elements, e.g. exhibiting Faraday effect
- G02F1/095—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 magneto-optical elements, e.g. exhibiting Faraday effect in an optical waveguide structure
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- 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
- H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
- H01S3/06—Construction or shape of active medium
- H01S3/063—Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength
- H01S3/0632—Thin film lasers in which light propagates in the plane of the thin film
- H01S3/0635—Thin film lasers in which light propagates in the plane of the thin film provided with a periodic structure, e.g. using distributed feed-back, grating couplers
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- 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
- H01S3/09—Processes or apparatus for excitation, e.g. pumping
- H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
- H01S3/0915—Processes or apparatus for excitation, e.g. pumping using optical pumping by incoherent light
-
- 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
- H01S3/09—Processes or apparatus for excitation, e.g. pumping
- H01S3/091—Processes or apparatus for excitation, e.g. pumping using optical pumping
- H01S3/0915—Processes or apparatus for excitation, e.g. pumping using optical pumping by incoherent light
- H01S3/0933—Processes or apparatus for excitation, e.g. pumping using optical pumping by incoherent light of a semiconductor, e.g. light emitting diode
-
- 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
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/102—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the active medium, e.g. by controlling the processes or apparatus for excitation
-
- 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
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/106—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity
- H01S3/1066—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling devices placed within the cavity using a magneto-optical device
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Nonlinear Science (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Lasers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2435415A DE2435415A1 (de) | 1974-07-23 | 1974-07-23 | Anordnung zur direkten umwandlung magnetisch gespeicherter informationen in optische signale |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2280166A1 FR2280166A1 (fr) | 1976-02-20 |
| FR2280166B1 true FR2280166B1 (US07754267-20100713-C00021.png) | 1977-12-09 |
Family
ID=5921303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7522343A Granted FR2280166A1 (fr) | 1974-07-23 | 1975-07-17 | Dispositif pour la transformation directe d'information memorisees magnetiquement en signaux optiques |
Country Status (8)
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4136350A (en) * | 1977-07-14 | 1979-01-23 | Bell Telephone Laboratories, Incorporated | Epitaxial growth of dissimilar materials |
| JPS5459915A (en) * | 1977-10-20 | 1979-05-15 | Sony Corp | Method and apparatus for reading of magnetic recording signal |
| JPS59223966A (ja) * | 1983-06-01 | 1984-12-15 | Seiko Instr & Electronics Ltd | 光磁気デイスク |
| DE3520991A1 (de) * | 1985-06-12 | 1986-12-18 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Magneto-optische wellenleiterstruktur zur konversion von in der struktur gefuehrten moden |
| US4899042A (en) * | 1987-11-17 | 1990-02-06 | The Boeing Company | Integrated optic field sensor consisting of an interferometer formed in substrate |
| CN106716178B (zh) * | 2015-07-09 | 2021-06-22 | 皇家飞利浦有限公司 | 直接转换辐射探测器 |
| US11418008B2 (en) * | 2019-03-20 | 2022-08-16 | Electronics And Telecommunications Research Institute | Laser device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5250543B2 (US07754267-20100713-C00021.png) * | 1972-02-28 | 1977-12-24 | ||
| US3868589A (en) * | 1972-10-10 | 1975-02-25 | Univ California | Thin film devices and lasers |
-
1974
- 1974-07-23 DE DE2435415A patent/DE2435415A1/de not_active Withdrawn
-
1975
- 1975-06-06 GB GB24354/75A patent/GB1511894A/en not_active Expired
- 1975-06-13 NL NL7507107A patent/NL7507107A/xx not_active Application Discontinuation
- 1975-07-17 FR FR7522343A patent/FR2280166A1/fr active Granted
- 1975-07-18 IT IT25532/75A patent/IT1039915B/it active
- 1975-07-21 US US05/597,682 patent/US4037263A/en not_active Expired - Lifetime
- 1975-07-23 BE BE158533A patent/BE831647A/xx unknown
- 1975-07-23 JP JP50090003A patent/JPS5136965A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| IT1039915B (it) | 1979-12-10 |
| GB1511894A (en) | 1978-05-24 |
| DE2435415A1 (de) | 1976-02-05 |
| FR2280166A1 (fr) | 1976-02-20 |
| US4037263A (en) | 1977-07-19 |
| JPS5136965A (en) | 1976-03-29 |
| BE831647A (fr) | 1975-11-17 |
| NL7507107A (nl) | 1976-01-27 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |