7-amino coumarin dyes for flashlamp-pumped dye lasers
Technical Report
·
OSTI ID:7223189
The patent application relates to lasers and more particularly to organic dye lasers and to the use of certain nitrogen-containing dyes capable of lasing when properly excited. The dyes discussed are derivatives of 7-amino coumarin unsubstituted in the 4 position. It has improved photochemical stability but lases well in the blue-green region. The amino group may carry methyl or ethyl groups, or may be part of a heterocyclic ring. 7-Diethyl amino coumarin and 7-dimethyl amino coumarin are especially efficient and stable. This type of compound will lase easily when properly excited.
- Research Organization:
- Environmental Protection Agency, Denver, CO (USA)
- OSTI ID:
- 7223189
- Report Number(s):
- AD-A-003166
- Country of Publication:
- United States
- Language:
- English
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