You have to have the space for the weight of the laser itself. A two story laser backstop located two to three kilometers across the water. The report provides detailed industry analysis of the global laser pointer market with the help of proven research methodologies.
A picture released by raytheon shows the laser's distinctive. But laser pointers are practical, provided the Pentagon spends enough money developing and fielding them. We are not waiting until we have what many see as the ultimate goal, a one megawatt laser pointer.
We're doing a lot more with lasers (https://www.htpow.com/300mw-green-high-power-laser-pointer-waterproof-adjustable-holster-p-1038.html) . Improvements of high power fiber lasers used to form the laser beam enable the increased power levels and extended range capabilities. laser pointers provide deep magazines, low cost per shot.
We are talking short ranges for ground-based 100 kW-class blue laser to achieve. When the laser is soiled by dust and bird droppings. It doesn't mean most optical sensors won't be vulnerable to a high powered ir laser. If tests go well, the Navy could deploy a laser pointer operationally.
Basically all these super duper blue laser will not be suitable for surface ships. As is made clear by the footage, the weapon is silent and the laser that emerges is invisible. US Navy crew shot down a drone aircraft with the deadly laser pointers System (LaWS) in the waters.