Fifty years later, lasers are a staple in everything from astronomy, surgery and DVD players to cutting sheet metal.

五十年后，激光的用途遍及天文学、外科手术、DVD播放器到金属切割。

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In addition to eye surgery to treat focusing problems, excimer lasers have other health-related applications.

除眼袋手术来治疗重点问题，准分子激光器有其他与健康相关的应用程序。

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High power semiconductor lasers are widely used in communication, surgery, printing, laser manufacture and optical pump.

大功率半导体激光器在光通讯、医疗、印刷、激光制造和光泵浦等领域中有着广泛的应用前景。

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In addition,the agency requires the makers of machinery used in LASIK to meet certain standards before the agency will approve any new lasers used in this surgery.

VOA: standard.2010.03.03

For example, "blue skies", curiosity-driven research into lasers over 50 years ago now has applications in everything from DVD players to surgery.

BBC: Viewpoint: 'Spend 4G cash on science'