GB1383682A – Apparatus for optical amplification of a coherent signal
– Google Patents
GB1383682A – Apparatus for optical amplification of a coherent signal
– Google Patents
Apparatus for optical amplification of a coherent signal
Info
Publication number
GB1383682A
GB1383682A
GB4621372A
GB4621372A
GB1383682A
GB 1383682 A
GB1383682 A
GB 1383682A
GB 4621372 A
GB4621372 A
GB 4621372A
GB 4621372 A
GB4621372 A
GB 4621372A
GB 1383682 A
GB1383682 A
GB 1383682A
Authority
GB
United Kingdom
Prior art keywords
bundle
fibre
fibres
focal plane
radiation
Prior art date
1971-12-29
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
Application number
GB4621372A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Eltro GmbH and Co
Original Assignee
Eltro GmbH and Co
Priority date (The priority date 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 date listed.)
1971-12-29
Filing date
1972-10-06
Publication date
1974-02-12
1972-10-06
Application filed by Eltro GmbH and Co
filed
Critical
Eltro GmbH and Co
1974-02-12
Publication of GB1383682A
publication
Critical
patent/GB1383682A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
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
H01S3/23—Arrangements of two or more lasers not provided for in groups H01S3/02 – H01S3/22, e.g. tandem arrangements of separate active media
H01S3/2308—Amplifier arrangements, e.g. MOPA
H01S3/2325—Multi-pass amplifiers, e.g. regenerative amplifiers
H01S3/2333—Double-pass amplifiers
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
H01S3/07—Construction or shape of active medium consisting of a plurality of parts, e.g. segments
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
H01S3/08—Construction or shape of optical resonators or components thereof
Abstract
1383682 Lasers ELTRO GmbH 6 Oct 1972 [29 Dec 1971] 46213/72 Heading H1C To suppress incoherent radiation from a laser amplifier comprising an optically-pumped bundle of fibres 1, Fig. 1, which may be randomly disposed, a spatial frequency filter 6 adapted to the spatial fibre distribution of the bundle is located in the focal plane of an associated objective lens 5. Preferably the ends 2, 3 of the fibre bundle are curved. A lens system 8 is located at the focal plane to couple the amplified radiation to the objective lens 5. A similar lens arrangement 4, 7 is provided for input radiation. The bundle of fibres is cooled by a fluid medium passed through ducts 9, 10, and the use of an ionizable gas passed through the fibre bundle for pumping purposes is mentioned. In a modification, Fig. 2, the fibre bundle and its optical system is located in a resonator consisting of a totally reflecting mirror 13 and a partially reflecting mirror 11, the amplified radiation being extracted by an inclined partially transmitting mirror 12. The use of a diffraction grating at the focal plane of the curved input end 2 of the fibre bundle is mentioned, the grating interval corresponding to that of the fibres. Each fibre has a graded refractive index across its section.
GB4621372A
1971-12-29
1972-10-06
Apparatus for optical amplification of a coherent signal
Expired
GB1383682A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
DE2165270A
DE2165270B2
(en)
1971-12-29
1971-12-29
Optical amplifier for monochromatic signals
Publications (1)
Publication Number
Publication Date
GB1383682A
true
GB1383682A
(en)
1974-02-12
Family
ID=5829563
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB4621372A
Expired
GB1383682A
(en)
1971-12-29
1972-10-06
Apparatus for optical amplification of a coherent signal
Country Status (4)
Country
Link
US
(1)
US3828264A
(en)
JP
(1)
JPS4878895A
(en)
DE
(1)
DE2165270B2
(en)
GB
(1)
GB1383682A
(en)
Families Citing this family (3)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US4381137A
(en)
*
1981-03-05
1983-04-26
Hydroacoustics Inc.
Optical fiber mode separation systems
US4713822A
(en)
*
1985-05-24
1987-12-15
Amada Engineering & Service Co., Inc.
Laser device
CN103875138B
(en)
2011-06-13
2017-01-18
Wi-电荷有限公司
spatially distributed laser resonator
Family Cites Families (3)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US2929922A
(en)
*
1958-07-30
1960-03-22
Bell Telephone Labor Inc
Masers and maser communications system
US3273072A
(en)
*
1965-01-18
1966-09-13
American Optical Corp
Laser amplifier with variable gain control
US3729252A
(en)
*
1970-06-05
1973-04-24
Eastman Kodak Co
Optical spatial filtering with multiple light sources
1971
1971-12-29
DE
DE2165270A
patent/DE2165270B2/en
not_active
Withdrawn
1972
1972-10-06
GB
GB4621372A
patent/GB1383682A/en
not_active
Expired
1972-11-28
JP
JP47119302A
patent/JPS4878895A/ja
active
Pending
1972-12-29
US
US00319856A
patent/US3828264A/en
not_active
Expired – Lifetime
Also Published As
Publication number
Publication date
DE2165270A1
(en)
1973-07-12
US3828264A
(en)
1974-08-06
DE2165270B2
(en)
1974-11-14
JPS4878895A
(en)
1973-10-23
Similar Documents
Publication
Publication Date
Title
KR890007517A
(en)
1989-06-20
Lightwave system using optical amplifier
KR950035161A
(en)
1995-12-30
Long-period spectral shape devices and optical systems using them
ATE79493T1
(en)
1992-08-15
FIBER OPTIC AMPLIFIER.
MX9304491A
(en)
1994-04-29
FIBER OPTIC LASER AND AMPLIFIERS WITH FLAT GAIN PENDING.
IT1256222B
(en)
1995-11-29
OPTICAL GENERATOR OF HIGH POWER SIGNALS FOR TELECOMMUNICATION SYSTEMS
GB1446588A
(en)
1976-08-18
Telecommunications transmission systems
GB1381695A
(en)
1975-01-22
Optical signal amplifier
GB1383682A
(en)
1974-02-12
Apparatus for optical amplification of a coherent signal
WO2002013339A3
(en)
2002-05-16
Pumping arrangement for fiber amplifiers
GB1036641A
(en)
1966-07-20
Improvements in or relating to laser amplifiers
JPS5885588A
(en)
1983-05-21
Wavelength multiplex light amplifying device
GB1186093A
(en)
1970-04-02
Improvements in or relating to Light Beam Amplifiers.
KR102271640B1
(en)
2021-07-01
Optical fiber laser assembly
MY106104A
(en)
1995-03-31
Active fibre optical amplifier, with double-core portions, having a wide signal wavelength band.
JPH04303980A
(en)
1992-10-27
Optical amplifier
JPS58208731A
(en)
1983-12-05
Light amplifying element
JPH0422928A
(en)
1992-01-27
Optical fiber amplifier
JPS5769794A
(en)
1982-04-28
Waveguide type laser device
JPS5965828A
(en)
1984-04-14
Amplification system for optical signal
GB1282511A
(en)
1972-07-19
An optical coupling arrangement for fibrous light guide elements
GB1059631A
(en)
1967-02-22
Apparatus for producing stimulated emission of radiation
JPH03251825A
(en)
1991-11-11
Optical amplifier
JPH04234021A
(en)
1992-08-21
1.3mum band optical amplifier
GB1252978A
(en)
1971-11-10
JPS56143406A
(en)
1981-11-09
Semiconductor laser coupler
Legal Events
Date
Code
Title
Description
1975-11-05
CSNS
Application of which complete specification have been accepted and published, but patent is not sealed
