Email:manager@yigudian.comShenzhen YiGuDian Technology Co., Ltd.

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Shenzhen YiGuDian Technology Co., Ltd.
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E-mail:manager@yigudian.com
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The Application Of Laser Diode

With the development of technology and technology, multi-layer structure.

There are two kinds of laser diodes commonly used: ①pin photodiode. It generates a quantum noise when the optical current is received by the light power. ② Avalanche photodiode. It can provide internal amplification, far more than a pin photodiode transmission distance, but quantum noise is greater. In order to obtain a good signal-to-noise ratio, a low noise preamplifier and a main amplifier must be connected to the optical detection device.

The working principle of semiconductor laser diode is the same as that of gas lasers.


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