FR2022223A1 - - Google Patents
Info
- Publication number
- FR2022223A1 FR2022223A1 FR6932079A FR6932079A FR2022223A1 FR 2022223 A1 FR2022223 A1 FR 2022223A1 FR 6932079 A FR6932079 A FR 6932079A FR 6932079 A FR6932079 A FR 6932079A FR 2022223 A1 FR2022223 A1 FR 2022223A1
- 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.)
- Withdrawn
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
- H01S3/14—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range characterised by the material used as the active medium
- H01S3/16—Solid materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
-
- 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
- H01S3/0007—Applications not otherwise provided for
-
- 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
- H01S3/067—Fibre lasers
- H01S3/06754—Fibre amplifiers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/60—Receivers
- H04B10/66—Non-coherent receivers, e.g. using direct detection
- H04B10/67—Optical arrangements in the receiver
- H04B10/671—Optical arrangements in the receiver for controlling the input optical signal
- H04B10/675—Optical arrangements in the receiver for controlling the input optical signal for controlling the optical bandwidth of the input signal, e.g. spectral filtering
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/04—Optical or mechanical part supplementary adjustable parts
- G01J1/0407—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/04—Optical or mechanical part supplementary adjustable parts
- G01J1/0407—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings
- G01J1/0425—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings using optical fibers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/04—Optical or mechanical part supplementary adjustable parts
- G01J1/0407—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings
- G01J1/0459—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings using an optical amplifier of light or coatings to improve optical coupling
-
- 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
- H01S2301/00—Functional characteristics
- H01S2301/02—ASE (amplified spontaneous emission), noise; Reduction thereof
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Lasers (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US76509968A | 1968-10-04 | 1968-10-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2022223A1 true FR2022223A1 (fr) | 1970-07-31 |
Family
ID=25072646
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR6932079A Withdrawn FR2022223A1 (fr) | 1968-10-04 | 1969-09-18 |
Country Status (6)
Country | Link |
---|---|
US (1) | US3626312A (fr) |
CH (1) | CH507602A (fr) |
DE (1) | DE1935740A1 (fr) |
FR (1) | FR2022223A1 (fr) |
GB (1) | GB1262793A (fr) |
NL (1) | NL6914963A (fr) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4158176A (en) * | 1977-09-06 | 1979-06-12 | The United States Of America As Represented By The United States Department Of Energy | Spatial filter system as an optical relay line |
US4515472A (en) * | 1981-08-25 | 1985-05-07 | Ltv Aerospace And Defense Co. | Agile receiver for a scanning laser radar |
US4515471A (en) * | 1981-08-25 | 1985-05-07 | Ltv Aerospace And Defense Company | Scanning laser radar |
US4528525A (en) * | 1981-08-25 | 1985-07-09 | Ltv Aerospace And Defense | Scanning laser for a scanning laser radar |
WO1987001246A1 (fr) * | 1985-08-13 | 1987-02-26 | Robert Joseph Mears | Lasers et amplificateurs en fibres optiques |
SE449673B (sv) * | 1985-09-20 | 1987-05-11 | Ericsson Telefon Ab L M | Optisk forsterkaranordning med brusfilterfunktion |
US5245467A (en) * | 1989-10-30 | 1993-09-14 | Pirelli Cavi S.P.A. | Amplifier with a samarium-erbium doped active fiber |
GB2254183B (en) * | 1991-03-27 | 1995-01-18 | Marconi Gec Ltd | An amplifier/filter combination |
DK168180B1 (da) * | 1991-07-19 | 1994-02-21 | Lycom As | Fremgangsmåde til at forstærke et optisk signal, optisk forstærker til udøvelse af fremgangsmåden, og anvendelse af en sådan optisk forstærker som lyskilde |
US8076629B2 (en) * | 2008-04-24 | 2011-12-13 | Northrop Grumman Systems Corporation | Photopumped semiconductor image amplifier comprising a waveguide with embedded quantum wells and an optical narrow bandpass filter |
DE202012006305U1 (de) | 2012-04-05 | 2012-11-28 | Bernhard Graf | Mehrteilige Klemmvorrichtung zur Befestigung an Rohren und Stangen |
DE202013009929U1 (de) | 2013-11-05 | 2013-11-26 | Bernhard Graf | Klemmeinrichtung zur Befestigung an Rohren und Stangen |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3235813A (en) * | 1963-06-25 | 1966-02-15 | Bell Telephone Labor Inc | Optical maser amplifiers with optimum signal to noise ratio |
-
1968
- 1968-10-04 US US765099A patent/US3626312A/en not_active Expired - Lifetime
-
1969
- 1969-06-23 GB GB31621/69A patent/GB1262793A/en not_active Expired
- 1969-07-14 DE DE19691935740 patent/DE1935740A1/de active Pending
- 1969-07-18 CH CH1106569A patent/CH507602A/de unknown
- 1969-09-18 FR FR6932079A patent/FR2022223A1/fr not_active Withdrawn
- 1969-10-03 NL NL6914963A patent/NL6914963A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
GB1262793A (en) | 1972-02-09 |
CH507602A (de) | 1971-05-15 |
DE1935740A1 (de) | 1970-04-30 |
NL6914963A (fr) | 1970-04-07 |
US3626312A (en) | 1971-12-07 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |