BE722678A - - Google Patents
Info
- Publication number
- BE722678A BE722678A BE722678DA BE722678A BE 722678 A BE722678 A BE 722678A BE 722678D A BE722678D A BE 722678DA BE 722678 A BE722678 A BE 722678A
- Authority
- BE
- Belgium
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
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/0006—Investigating plasma, e.g. measuring the degree of ionisation or the electron temperature
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Lasers (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Spectrometry And Color Measurement (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR126657 | 1967-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE722678A true BE722678A (xx) | 1969-04-22 |
Family
ID=8641095
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE722678D BE722678A (xx) | 1967-10-31 | 1968-10-22 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3572948A (xx) |
| BE (1) | BE722678A (xx) |
| DE (1) | DE1805656A1 (xx) |
| FR (1) | FR1552030A (xx) |
| GB (1) | GB1231477A (xx) |
| NL (1) | NL6815267A (xx) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4817101A (en) * | 1986-09-26 | 1989-03-28 | The United States Of America As Represented By The United States Department Of Energy | Heterodyne laser spectroscopy system |
| US5637458A (en) * | 1994-07-20 | 1997-06-10 | Sios, Inc. | Apparatus and method for the detection and assay of organic molecules |
| US6646386B1 (en) * | 1999-07-20 | 2003-11-11 | Tokyo Electron Limited | Stabilized oscillator circuit for plasma density measurement |
| US6741944B1 (en) * | 1999-07-20 | 2004-05-25 | Tokyo Electron Limited | Electron density measurement and plasma process control system using a microwave oscillator locked to an open resonator containing the plasma |
| US6861844B1 (en) * | 1999-07-21 | 2005-03-01 | Tokyo Electron Limited | Electron density measurement and plasma process control system using changes in the resonant frequency of an open resonator containing the plasma |
| AU2003209234A1 (en) * | 2002-01-31 | 2003-09-02 | Tokyo Electron Limited | Method and apparatus for electron density measurement and verifying process status |
| US7314537B2 (en) * | 2003-09-30 | 2008-01-01 | Tokyo Electron Limited | Method and apparatus for detecting a plasma |
| ES2249118A1 (es) * | 2004-02-09 | 2006-03-16 | Jofemar, S.A. | Maquina expendedora automatica con pantalla multifuncion. |
| US7293644B2 (en) | 2004-12-06 | 2007-11-13 | Rexnord Industries, Llc | Side-flexing conveyor chain |
| US7168557B2 (en) * | 2004-12-06 | 2007-01-30 | Rexnord Industries, Llc | Side-flexing conveyor chain having members joined by linkages |
| US7848378B2 (en) * | 2005-08-05 | 2010-12-07 | Photomedex, Inc. | Apparatus and method for monitoring power of a UV laser |
| US20070030876A1 (en) * | 2005-08-05 | 2007-02-08 | Levatter Jeffrey I | Apparatus and method for purging and recharging excimer laser gases |
| US20080240197A1 (en) * | 2007-03-27 | 2008-10-02 | Photomedex | Method and apparatus for efficiently operating a gas discharge excimer laser |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3174044A (en) * | 1961-05-09 | 1965-03-16 | Bell Telephone Labor Inc | Light frequency modulator |
| NL281335A (xx) * | 1961-10-30 | |||
| US3228246A (en) * | 1963-04-18 | 1966-01-11 | Kollsman Instr Corp | Pressure measuring device |
| US3350654A (en) * | 1964-01-09 | 1967-10-31 | American Optical Corp | Laser heterodyne system for detecting light energy including hybrid mode dielectric waveguide |
-
1967
- 1967-10-31 FR FR126657A patent/FR1552030A/fr not_active Expired
-
1968
- 1968-10-22 BE BE722678D patent/BE722678A/xx unknown
- 1968-10-25 NL NL6815267A patent/NL6815267A/xx unknown
- 1968-10-28 DE DE19681805656 patent/DE1805656A1/de active Pending
- 1968-10-30 US US771788A patent/US3572948A/en not_active Expired - Lifetime
- 1968-10-30 GB GB1231477D patent/GB1231477A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1805656A1 (de) | 1969-05-14 |
| GB1231477A (xx) | 1971-05-12 |
| US3572948A (en) | 1971-03-30 |
| FR1552030A (xx) | 1969-01-03 |
| NL6815267A (xx) | 1969-05-02 |