JPS4945199B1 - - Google Patents
Info
- Publication number
- JPS4945199B1 JPS4945199B1 JP7110884A JP1088471A JPS4945199B1 JP S4945199 B1 JPS4945199 B1 JP S4945199B1 JP 7110884 A JP7110884 A JP 7110884A JP 1088471 A JP1088471 A JP 1088471A JP S4945199 B1 JPS4945199 B1 JP S4945199B1
- Authority
- JP
- Japan
- 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.)
- Pending
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
- H01S3/13—Stabilisation of laser output parameters, e.g. frequency or amplitude
- H01S3/139—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the mutual position or the reflecting properties of the reflectors of the cavity, e.g. by controlling the cavity length
- H01S3/1398—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the mutual position or the reflecting properties of the reflectors of the cavity, e.g. by controlling the cavity length by using a supplementary modulation of the output
-
- 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
- H01S3/1062—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 controlled passive interferometer, e.g. a Fabry-Perot etalon
-
- 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
- H01S3/139—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the mutual position or the reflecting properties of the reflectors of the cavity, e.g. by controlling the cavity length
- H01S3/1396—Stabilisation of laser output parameters, e.g. frequency or amplitude by controlling the mutual position or the reflecting properties of the reflectors of the cavity, e.g. by controlling the cavity length by using two modes present, e.g. Zeeman splitting
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Lasers (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US1580270A | 1970-02-03 | 1970-02-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4945199B1 true JPS4945199B1 (ja) | 1974-12-03 |
Family
ID=21773728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7110884A Pending JPS4945199B1 (ja) | 1970-02-03 | 1971-03-02 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3701042A (ja) |
| JP (1) | JPS4945199B1 (ja) |
| DE (1) | DE2108476C3 (ja) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3858098A (en) * | 1973-09-07 | 1974-12-31 | Emerson Electric Co | Dynamoelectric control system and motor therefor |
| US4369402A (en) * | 1980-07-22 | 1983-01-18 | Xerox Corporation | Motion damping apparatus |
| DE3212809C2 (de) * | 1982-04-06 | 1984-12-20 | Fa. Carl Zeiss, 7920 Heidenheim | Meßeinrichtung für die Stabilisierung von Lasern |
| DD285858B5 (de) * | 1989-07-10 | 1993-06-03 | Jenoptik Jena Gmbh | Verfahren und anordnung zur quantitativen anzeige von frequenzschwankungen speziell stabilisierter zwei-moden-innenspiegellaser |
| JP2573859Y2 (ja) * | 1991-11-21 | 1998-06-04 | 株式会社ハーモニック・ドライブ・システムズ | 電磁式有限回転型電動機の原点復帰機構 |
| US5179307A (en) * | 1992-02-24 | 1993-01-12 | The United States Of America As Represented By The Secretary Of The Air Force | Direct current brushless motor |
| AU2673601A (en) * | 1999-12-23 | 2001-07-09 | Optical Technologies Usa Corp | Endless polarization stabilizer |
| US20160225506A1 (en) * | 2015-01-31 | 2016-08-04 | Sten R. Gerfast | Unique magnetic effect and applications |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3453557A (en) * | 1965-03-15 | 1969-07-01 | Laser Inc | Laser stabilization apparatus |
| FR1475008A (fr) * | 1966-02-18 | 1967-03-31 | Philips Massiot Mat Medic | Dispositif de balayage pour caméra |
| US3412303A (en) * | 1966-04-28 | 1968-11-19 | Sperry Farragut Company Divisi | Starting circuit for brushless direct current motor |
| US3512065A (en) * | 1966-07-13 | 1970-05-12 | Werner H Fengler | High-torque stepping-motor-driven speed-reducing prime mover |
| US3453514A (en) * | 1967-05-02 | 1969-07-01 | Sperry Rand Corp | Single sensor brushless d.c. motor |
-
1970
- 1970-02-03 US US15802A patent/US3701042A/en not_active Expired - Lifetime
-
1971
- 1971-02-23 DE DE2108476A patent/DE2108476C3/de not_active Expired
- 1971-03-02 JP JP7110884A patent/JPS4945199B1/ja active Pending
Non-Patent Citations (1)
| Title |
|---|
| IEEE JOURNAL OF QUANTUM ELECTRONICS#N7=1966 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2108476A1 (de) | 1971-10-14 |
| DE2108476B2 (de) | 1973-02-22 |
| US3701042A (en) | 1972-10-24 |
| DE2108476C3 (de) | 1973-09-13 |