This problem is solved by using vertical cavity surface emitting laser (VCSEL) feedback as the SNOM detection principle.

这个问题可以用垂直腔表面发射激光器(VCSEL)作为SNOM的反馈部分来解决。

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The noise of an optical receiver consisting of a surface emitting laser amplifier and a detector is enhanced by any lack of gain uniformity.

由表面发射激光放大器和检测器组成的光接收器的噪声因任何增益的非均匀性而增加。

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In this method, emitting laser energy and received laser energy is directly measured individually, and it is the real test method without target.

将激光发射能力和接收能力分开，直接进行测量，获得了一种真正意义上的无靶板检测方法。

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Using a thin film of polyfluorene, a light-emitting plastic, they have created a laser which reacts with explosive vapour.

BBC: Plastic lasers shed light on hidden explosives

But the laser and the light-emitting diode produced wonderfully disciplined light--meaning, it would go where and how you wanted it to.

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This year's contests include the largest-ever plasma screen (150 inches), the largest Organic Light-Emitting Diode TV (a new bright and energy-efficient screen), the first functioning laser television and the first TVs that receive high-quality wireless streaming from a high-definition signal.

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