Azacoumarin dye lasers

Details Azacoumarin dye lasers Azacoumarin dye lasers

C - Chemistry, Metallurgy

09

B

31/163

C09B 57/00 (2006.01) C09B 57/02 (2006.01) H01S 3/213 (2006.01)

Patent

CA 1074553

ABSTRACT OF THE DISCLOSURE: A dye laser comprising a laser dye solution of a compound having the general structure: Image wherein at least one of the 5, 6 and 8 ring positions is occupied by a nitrogen in lieu of the corresponding CR group and X at least one of the following: alkyl, aryl, acyl, aracyl, a group which taken together with the nitrogen atom of the amino group forms a heterocyclic ring, or part of one or two 5 or 6 membered aliphatic heteocyclic rings attached to ring A at positions 6 or 8 or both depending on where the N in ring A is located. R3, R4, R5, R6 and R8 are hydrogen or other groups as defined below. The compounds lase in the blue-green to near ultraviolet region.

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