Keywords: monochrome black background abstract This is one laser beam reflected from two glass plates. Where both laser beams combine, they produce a very tight interference pattern. Blocking either beam eliminates the fine interference pattern, leaving only the coarse per-plate interference. This is one laser beam reflected from two glass plates. Where both laser beams combine, they produce a very tight interference pattern. Blocking either beam eliminates the fine interference pattern, leaving only the coarse per-plate interference. |