I think that that would have a few complications
The amount of regulations, and approval that it'll have to meet. With lasers, there are many "issues" that present themselves because of the dangers of them. From their extreme heat to the amount of radiation that they emit, as well as their power to blind, and burn skin.
I'm not saying by any means that it isn't possible, although it will require a voltage regulator for different fluid percentages, which would thus require a fairly large amount of testing as well as approval, and knowledge in the products that you're using. Another issue with it would be branding, pricing, and getting a manufacturer to agree to partner with the company attempting to build this.
Along with those issues are the iissues of using another companies laser in your testing products, and the ones that you submit to patent offices, and such. There is a HUGE process that would be required for something like this, but IF it kicked off; it could be VERY profitable as most people don't trust the wiring/solder in their e-cig atomizers, cartomizers, and clearomizers.