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Laser Diode
- Aug 16, 2016 -

Laser diodes include single heterojunction (SH), double heterostructures (DH) and quantum well (QW) laser diode. Quantum-well laser diodes with low threshold current and high output power and advantages of mainstream products that are currently on the market application. Compared with lasers, laser diodes has the advantages of high efficiency, small size, long life, but its output power is small (generally less than 2mW), linear difference, the color is not so good, put its application in CATV system under heavy restrictions cannot transmit multi-channel, high-performance analog signal. In return for two-way optical receiver module, the upward emission using quantum-well laser diodes as light sources.

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