High-power Picosecond Lasers
At present, the LDAL system is still in the conceptual research phase, although BAE systems may explain the basic working principle and end use of this weapon, but it has not mentioned how to implement it. How the pulse laser forms the ionosphere in need and how to control its area is still far from mature. But if this technology finally successfully developed and applied, optical reconnaissance satellites may be without the use of a large and complex optical lens system, the volume will be greatly reduced, at the same time, attack LDAL can protect the system from space ground high power laser pointer weapons.
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In many laser ion accelerating mechanisms, the ion beam obtained by the theory of Radiation Pressure Acceleration (RPA) has the characteristics of small scattering, high beam density and high energy conversion efficiency, which is the frontier and hotspot of the present research. Although RPA theory and one-dimensional simulation results are very attractive, but the experiment is also difficult to obtain the desired good results. The most important reason is that the instability of the high-dimensional conditions under the dramatic development.
Cutting and grinding glass, the use of high-power picosecond lasers combined with layer-by-layer ablation process to achieve the overall cut of glass or sapphire pieces. The use of 250W picosecond burning laser pointer can achieve up to 2mm3 / s volumetric ablation rate; cutting transparent and brittle materials, a sub-surface engraving process can be used to separate transparent and brittle materials such as glass and sapphire. The method is also known as filamentous cutting and is widely used for the separation of sapphire and glass plates. Typical thickness of sapphire or glass plate
