FR2242790B3 - - Google Patents
Info
- Publication number
- FR2242790B3 FR2242790B3 FR7429621A FR7429621A FR2242790B3 FR 2242790 B3 FR2242790 B3 FR 2242790B3 FR 7429621 A FR7429621 A FR 7429621A FR 7429621 A FR7429621 A FR 7429621A FR 2242790 B3 FR2242790 B3 FR 2242790B3
- 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
-
- 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
- H01S3/11—Mode locking; Q-switching; Other giant-pulse techniques, e.g. cavity dumping
- H01S3/1106—Mode locking
- H01S3/1109—Active mode locking
-
- 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
- H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
- H01S3/131—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the active medium, e.g. by controlling the processes or apparatus for excitation
- H01S3/1312—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the active medium, e.g. by controlling the processes or apparatus for excitation by controlling the optical pumping
-
- 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
- H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
- H01S3/136—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling devices placed within the cavity
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Lasers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US393528A US3869680A (en) | 1973-08-31 | 1973-08-31 | Dually mode-locked nd:yag laser |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2242790A1 FR2242790A1 (fr) | 1975-03-28 |
FR2242790B3 true FR2242790B3 (fr) | 1977-06-17 |
Family
ID=23555066
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7429621A Expired FR2242790B3 (fr) | 1973-08-31 | 1974-08-30 |
Country Status (6)
Country | Link |
---|---|
US (1) | US3869680A (fr) |
JP (1) | JPS5055291A (fr) |
CA (1) | CA1016642A (fr) |
DE (1) | DE2439741A1 (fr) |
FR (1) | FR2242790B3 (fr) |
NL (1) | NL7411443A (fr) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1160592B (it) * | 1978-08-16 | 1987-03-11 | Cselt Centro Studi Lab Telecom | Procedimento e sistema di controllo dell'efficienza di un dispositivo elettronico |
DK148564C (da) * | 1982-08-05 | 1985-12-30 | Nordiske Kabel Traad | Fremgangsmaade ved signalbehandling af en modtaget impulsraekke, samt modtager til udoevelse af fremgangsmaaden |
JPS59115032A (ja) * | 1982-12-23 | 1984-07-03 | 東北リコ−株式会社 | 血管吻合装置 |
GB8413502D0 (en) * | 1984-05-25 | 1984-07-04 | British Telecomm | Mode locked laser light sources |
GB2203539B (en) * | 1985-02-19 | 1989-08-31 | Atomic Energy Authority Uk | Apparatus for monitoring infra-red emissions |
US4685111A (en) * | 1985-05-01 | 1987-08-04 | Spectra-Physics, Inc. | Phase stabilization for mode locked lasers |
CA1309482C (fr) * | 1989-04-21 | 1992-10-27 | Henry M. Van Driel | Couplage des modes d'un laser par un modulateur pulse |
US5390202A (en) * | 1992-12-23 | 1995-02-14 | University Of New Mexico | Regenerative optical pulse generator |
US5479422A (en) * | 1994-08-12 | 1995-12-26 | Imra America, Inc. | Controllabel dual-wavelength operation of modelocked lasers |
US6346686B1 (en) * | 1999-04-14 | 2002-02-12 | Hughes Electronics Corporation | Apparatus and method for enhanced laser machining by optimization of pulse duration and spacing |
JP2000332348A (ja) * | 1999-05-24 | 2000-11-30 | Oki Electric Ind Co Ltd | モード同期半導体レーザ |
US6324191B1 (en) | 2000-01-12 | 2001-11-27 | Intralase Corp. | Oscillator with mode control |
US6831935B2 (en) * | 2001-03-29 | 2004-12-14 | The Regents Of The University Of Colorado | Multistage synchronization of pulsed radiation sources |
US6909730B2 (en) * | 2002-03-19 | 2005-06-21 | Lightwave Electronics Corporation | Phase-locked loop control of passively Q-switched lasers |
ATE553520T1 (de) * | 2003-02-14 | 2012-04-15 | Univ Heidelberg | Verfahren zur erzeugung von mindestens ein puls und/oder einer pulssequenz mit kontrollierbaren parametern |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3423695A (en) * | 1964-06-24 | 1969-01-21 | Union Carbide Corp | Giant pulse laser system incorporating dual q-switching means |
US3521188A (en) * | 1966-10-19 | 1970-07-21 | Hughes Aircraft Co | Double q-switched laser with self-mode locked intracavity loss modulator |
US3521069A (en) * | 1967-09-29 | 1970-07-21 | United Aircraft Corp | Apparatus for obtaining a narrow high power laser pulse |
-
1973
- 1973-08-31 US US393528A patent/US3869680A/en not_active Expired - Lifetime
-
1974
- 1974-08-07 CA CA206,482A patent/CA1016642A/fr not_active Expired
- 1974-08-19 DE DE2439741A patent/DE2439741A1/de active Pending
- 1974-08-27 JP JP49097604A patent/JPS5055291A/ja active Pending
- 1974-08-28 NL NL7411443A patent/NL7411443A/xx unknown
- 1974-08-30 FR FR7429621A patent/FR2242790B3/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CA1016642A (fr) | 1977-08-30 |
DE2439741A1 (de) | 1975-07-03 |
FR2242790A1 (fr) | 1975-03-28 |
NL7411443A (nl) | 1975-03-04 |
JPS5055291A (fr) | 1975-05-15 |
US3869680A (en) | 1975-03-04 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |