Hi Ban A. Naser, here is a good overview for which the full text is available on ResearchGate:

Article Laser dyes

Interesting question

7-diethylamino-4- methylcoumarin , rhodamine 590 , coumarin 545 tetramethyl etc. are organic dye lasers.

Dear Ban A. Naser, please find attached another good overview of the various types of laser dyes.

Interesting

Thankyou for your response

Hi Ban A. Naser, were the references helpful and sufficient? Please let me know if you need any further information.

Hi;

Some examples of laser dyes: Rhodamine B (RhB), kiton red (KR), rhodamine 560 (Rh560),rhodamine 640 (Rh640), rhodamine 6G (Rh6G), sulforhodamine 640 (SRh640), fluorescein disodium (FL), fluorescein 27 (FL27), coumarin (blue 490-620 nm), stilbene (violet 410-480 nm), umbelliferone (blue, 450-470 nm), tetracene, malachite green, le 4-dicyanomethylene-2-methyl-6-p-dimethyl-amino-styryl-4H-pyran (470-570) and others.

With my best regards

Dear Ban A.;

Please see attached document for further details. I wish you interesting reading.

With my best regards

Thanks very much

ethyl 2-[3-(ethylamino)-6-ethylimino-2,7-dimethylxanthen-9-yl]benzoate