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激光是本世纪60年代初开始发展起来的一种新技术。这种新技术的出现,使人们对光的认识产生了一次新的飞跃,并在许多技术领域里引起了革命性变革。到目前,激光技术已渗透到军事、工业、农业、通讯、医疗以及科学研究等许多领域,它跟微型计算机、光导纤维、新能源、生物工程等结合在一起,互相渗透、互相促进,成为当代新的技术革命的一个重要组成部分。那么,什么是激光呢?
Lasers are a new technology that began to develop in the early 60s of this century. The emergence of this new technology has led to a new leap in people’s understanding of light and has revolutionized many fields of technology. Until now, laser technology has penetrated into many fields such as military, industry, agriculture, communications, medical treatment, and scientific research. It has been combined with micro-computers, optical fibers, new energy, and bio-engineering to penetrate and promote each other and become contemporary An important part of the new technological revolution. So what is a laser?