The system servo of fine tracking plays a key role in space laser communication.

精跟踪伺服系统是自由空间激光通信中的一项关键技术。

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High power double-clad fiber amplifier is suitable for WDM, fiber CATV system and space laser communication.

双包层光纤放大器输出功率高，可用于密集波分复用系统、光纤CATV系统以及空间光通信系统中。

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The free space laser communication technology has an advantage of high speed, no disturbance and high security.

自由空间激光通信技术具有高码率、无干扰、高可靠性的优点。

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They include nets,giant collecting arms and powerful laser beams that would move or destroy space junk.

VOA: special.2009.04.01

Its ultimate aim is to build a series of laser tracking stations in various countries to provide a defensive shield for activity in space.

VOA: standard.2010.07.24

Dr.Craig Smith,the chief executive of Electro Optic Systems, says laser beams fired from the ground could protect astronauts and satellites by targeting space junk that travels at potentially devastating speeds.

VOA: standard.2010.07.24

There is the techno version of the future, filled with personal electronic implants, space travel and laser weapons.

CNN: The future world of 'Call of Duty: Black Ops II'

Moscow is investing heavily in laser and space-oriented strategic defense activities.

CENTERFORSECURITYPOLICY: Center for Security Policy | An Assessment Of Future Requirements For US Strategic Forces And Strategic Arms Control

So Stojkovic and Mureika have reasoned that the Laser Interferometer Space Antenna (LISA), a planned international gravitational observatory, should not detect any gravitational waves emanating from the lower-dimensional epochs of the early universe.

FORBES: Does the Universe Add Dimensions As It Expands?