CH599695A5 - - Google Patents

Info

Publication number
CH599695A5
CH599695A5 CH296074A CH296074A CH599695A5 CH 599695 A5 CH599695 A5 CH 599695A5 CH 296074 A CH296074 A CH 296074A CH 296074 A CH296074 A CH 296074A CH 599695 A5 CH599695 A5 CH 599695A5
Authority
CH
Switzerland
Application number
CH296074A
Inventor
Uwe Claussen
Guenter Oppermann
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 CH599695A5 publication Critical patent/CH599695A5/xx

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
CH296074A 1973-03-03 1974-03-01 CH599695A5 (ja)

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
CH599695A5 true CH599695A5 (ja) 1978-05-31

Family

ID=5873781

Family Applications (1)

Application Number Title Priority Date Filing Date
CH296074A CH599695A5 (ja) 1973-03-03 1974-03-01

Country Status (6)

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

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
US7694887B2 (en) 2001-12-24 2010-04-13 L-1 Secure Credentialing, Inc. Optically variable personalized indicia for identification documents
AU2002364746A1 (en) 2001-12-24 2003-07-15 Digimarc Id Systems, Llc Systems, compositions, and methods for full color laser engraving of id documents
CA2471457C (en) 2001-12-24 2011-08-02 Digimarc Id Systems, Llc Covert variable information on id 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
CN1316421C (zh) * 2001-12-24 2007-05-16 数字Id系统有限公司 激光刻印方法和组合物以及上面有激光刻印的制品
WO2003055638A1 (en) 2001-12-24 2003-07-10 Digimarc Id Systems, Llc Laser etched security features for identification documents and methods of making 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
FR2220104A1 (ja) 1974-09-27
GB1425277A (en) 1976-02-18
FR2220104B1 (ja) 1978-01-06
JPS503292A (ja) 1975-01-14
DE2310748A1 (de) 1974-09-12
US3975291A (en) 1976-08-17

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Legal Events

Date Code Title Description
PL Patent ceased