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298   So l i d - S t at e   La s e r s                Heat-Capacity Lasers     299




























                      Figure 11.35  400-kW heat-capacity laser system on a mine-resistant,
                      ambush-protected vehicle.

                      the highly explosive material in the mine does not explode and instead
                      simply  “sizzles”  in  place,  thus  further  reducing  the  risk  of  human
                      exposure to material fragmentation and the resulting shrapnel.

                      11.6.4   Self-Contained 400-kW Heat-Capacity Laser on a
                               Military Vehicle
                      It is obvious that the HCL’s many attributes will lend themselves
                      to military applications. The heat-capacity laser, as described above,
                      can be scaled to very high powers while still maintaining a very
                      low weight and a compact footprint. In addition, due to its simple
                      laser architecture, it is extremely compatible with military require-
                      ments for being robust, reliable, and easy to maintain. Figure 11.35
                      shows an artist’s conception of a 400-kW heat-capacity laser system
                      on a mine-resistant, ambush-protected (MRAP) vehicle. The system,
                      as  designed,  is  fully  self-contained,  including  the  laser,  power
                      management system, thermal management system, beam director,
                      and computer control system. Initial targets could include rockets,
                      artillery,  and  mortars  (RAMs),  as  well  as  improvised  explosive
                      devices (IEDs).

                 11.7  Summary
                      The heat-capacity laser’s simple architecture, including the separation
                      of the lasing action from the cooling of the laser gain media, has demon-
                      strated that it can be used for practical applications. Key components,
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