GB1425277A - Production of coherent monochromatic radiation - Google Patents

Production of coherent monochromatic radiation

Info

Publication number
GB1425277A
GB1425277A GB934374A GB934374A GB1425277A GB 1425277 A GB1425277 A GB 1425277A GB 934374 A GB934374 A GB 934374A GB 934374 A GB934374 A GB 934374A GB 1425277 A GB1425277 A GB 1425277A
Authority
GB
United Kingdom
Prior art keywords
compound
monochromatic radiation
march
coherent monochromatic
production
Prior art date
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
GB934374A
Other languages
English (en)
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.)
Bayer AG
Original Assignee
Bayer AG
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.)
Filing date
Publication date
Application filed by Bayer AG filed Critical Bayer AG
Publication of GB1425277A publication Critical patent/GB1425277A/en
Expired legal-status Critical Current

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
    • H01S3/20—Liquids
    • 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
    • H01S3/20—Liquids
    • H01S3/213—Liquids including an organic dye

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
  • Luminescent Compositions (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
GB934374A 1973-03-03 1974-03-01 Production of coherent monochromatic radiation Expired GB1425277A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732310748 DE2310748A1 (de) 1973-03-03 1973-03-03 Verfahren zur erzeugung von laserlicht

Publications (1)

Publication Number Publication Date
GB1425277A true GB1425277A (en) 1976-02-18

Family

ID=5873781

Family Applications (1)

Application Number Title Priority Date Filing Date
GB934374A Expired GB1425277A (en) 1973-03-03 1974-03-01 Production of coherent monochromatic radiation

Country Status (6)

Country Link
US (1) US3975291A (enExample)
JP (1) JPS503292A (enExample)
CH (1) CH599695A5 (enExample)
DE (1) DE2310748A1 (enExample)
FR (1) FR2220104B1 (enExample)
GB (1) GB1425277A (enExample)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4051062A (en) * 1976-09-03 1977-09-27 The United States Of America As Represented By The Secretary Of The Navy 7-Amino coumarin dyes for flashlamp-pumped dye lasers
DE2902470A1 (de) * 1979-01-23 1980-07-31 Bayer Ag Cumarin-verbindungen
DE2962932D1 (en) * 1979-06-08 1982-07-08 Bayer Ag Process for the preparation of pyrene compounds
FR2580923B1 (fr) * 1985-04-25 1990-03-09 Comp Generale Electricite Procede et dispositif d'irradiation d'un vaisseau sanguin dans un tissu vivant par un rayonnement laser en vue de produire une coagulation du sang dans le vaisseau
US7063264B2 (en) 2001-12-24 2006-06-20 Digimarc Corporation Covert variable information on identification documents and methods of making same
US7728048B2 (en) 2002-12-20 2010-06-01 L-1 Secure Credentialing, Inc. Increasing thermal conductivity of host polymer used with laser engraving methods and compositions
US7694887B2 (en) 2001-12-24 2010-04-13 L-1 Secure Credentialing, Inc. Optically variable personalized indicia for identification documents
CA2671998A1 (en) * 2001-12-24 2003-07-10 Digimarc Id Systems, Llc Laser engraving methods and compositions, and articles having laser engraving thereon
AU2002364746A1 (en) 2001-12-24 2003-07-15 Digimarc Id Systems, Llc Systems, compositions, and methods for full color laser engraving of id documents
EP1467834A4 (en) 2001-12-24 2005-04-06 Digimarc Id Systems Llc LASER SEVERE SAFETY ELEMENTS FOR IDENTIFICATION DOCUMENTS AND METHODS OF MAKING THE SAME
WO2003088144A2 (en) 2002-04-09 2003-10-23 Digimarc Id Systems, Llc Image processing techniques for printing identification cards and documents
US7824029B2 (en) 2002-05-10 2010-11-02 L-1 Secure Credentialing, Inc. Identification card printer-assembler for over the counter card issuing
WO2004049242A2 (en) 2002-11-26 2004-06-10 Digimarc Id Systems Systems and methods for managing and detecting fraud in image databases used with identification documents
US7763179B2 (en) 2003-03-21 2010-07-27 Digimarc Corporation Color laser engraving and digital watermarking
EP1614064B1 (en) 2003-04-16 2010-12-08 L-1 Secure Credentialing, Inc. Three dimensional data storage
CN104877057A (zh) * 2014-12-04 2015-09-02 重庆大学 含香豆素片段的苯并三氮唑类光敏剂及其合成与运用

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1042312A (en) * 1962-04-16 1966-09-14 Nat Res Dev Maser or laser apparatus comprising spherical active material
US3521187A (en) * 1967-09-18 1970-07-21 Eastman Kodak Co Laser media containing coumarin dye solutions
DE2109040A1 (de) * 1970-03-02 1971-09-16 Eastman Kodak Co Farbstofflaser
CA985493A (en) * 1971-03-22 1976-03-16 Eastman Kodak Company Dye lasers including rigidized carbocyanine dyes
US3774122A (en) * 1972-10-06 1973-11-20 Eastman Kodak Co Bridged cyanine dye lasers
US3781711A (en) * 1972-10-16 1973-12-25 Eastman Kodak Co Laser dye composition

Also Published As

Publication number Publication date
US3975291A (en) 1976-08-17
JPS503292A (enExample) 1975-01-14
CH599695A5 (enExample) 1978-05-31
FR2220104A1 (enExample) 1974-09-27
FR2220104B1 (enExample) 1978-01-06
DE2310748A1 (de) 1974-09-12

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee