FIGURE 29 Multi-orbit solar macrolaser. At the extreme left is the great solar mirror (1). It focuses solar energy onto the semi-silvered collar-like pumping mechanism (9). Energy trapped by multiple reflections in collar (9) is transferred to the transparent, hollow laser cylindrical cavity (8). Rod (8) is maintained concentric with collar (9) by strut-supports (10). The laser cavity is filled with a gas which absorbs the reflected solar energy and “lasers", i.e., transmits a coherent beam normal to the rod's end-surfaces. The end-mirror nearest the great solar mirror (1) is partially silvered, so that a portion of the coherent energy in the rod continuously escapes. The “escaping” beam is diverged by “secondary” lens (6). The latter is rigidly attached to laser-rod (8) and “pump” (9), by strut-supports (7). The diverged coherent beam (4) illuminates the large (l-mile diameter) liquid-surface “primary” mirror (3). High-precision “primary” (3) is bordered by a rigid plastic foam boundary-ring (2). Laser energy (5), is focused by reflection form primary (3), passes through the empty interior of collar (9) and emerges in the form of focused high energy coherent beam (11). The beam (11) supplies energy at or near its focus to disc-like craft (12), which might carry a protected payload as shown at (13).
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