It has been true throughout history that every time mankind has mastered a new form of energy there has been a significant, if not massive, step forward in our quality of life. Due to the discovery of the laser in 1960 optical energy in large quantities and in a controlled form is now available as a new form of energy for the civilised world. So it is reasonable to have great expectations.
KeywordsOptical Energy Yttrium Aluminium Ruby Laser Laser Material Processing Unstable Resonator
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