QSE973

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Optical Sensors - Photodiodes is a type of photoelectric sensor that uses photodiodes and other components to convert and detect optical signals, thus playing an important role in communication. As an important variety of photodiodes, QSE973 can be applied in a wide range of applications. This article will introduce the application field and working principle of QSE973.

Working Principle of QSE973

The QSE973 photodiode is a silicon-based device. It consists of a junction between n-type and p-type silicon material, and an electrode connected to the junction. The light incident on the diode creates electrons and holes in the junction region.

When an external bias voltage is applied to the diode, the excess carriers in the junction region move away from the junction, generating an electric current. The current depends on the optical power of the light entering the diode and the bias voltage applied. Thus, the photodiode can be used to detect and convert optical signals into electrical signals.

Application Field of QSE973

The QSE973 photodiode has an excellent light sensitivity and wide application. It can be used in various types of detectors in optical communication systems, including optical receivers for fiber optic communication applications. It also plays an important role in optical communication applications, such as wavelength division multiplexing (WDM) and optical polarization monitoring.

In addition, the QSE973 photodiode is used in measuring and detecting light intensity such as photoelectron microscopy, fluorescent spectroscopy and optical fiber sensing applications. In short, the application field of QSE973 covers optical communication, optical sensing, optical detection and measurement.

Conclusion

In conclusion, the QSE973 photodiode is a type of photoelectric sensor that can detect optical signals and convert them into electrical signals. It has a wide application field, covering optical communication, optical sensing, optical detection and measurement. The working principle of the photodiode is based on the movement of excess carriers in the junction region.

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