AXUV63HS1

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Optical sensors and photodiodes are indispensable components in modern technological applications. Devices such as AXUV63HS1 comprise of important parts that serve several practical purposes. This article outlines the application field and working principle of this device.

Application field of AXUV63HS1

The AXUV63HS1 is a miniature UV photodiode chip that is designed for applications that require high sensitivity and fast response. It operates in the wavelength range from 200 to 370 nanometers (nm). This device is suitable for detecting and monitoring UV radiation in various fields, including:

• Environmental monitoring and control.
• Inspection of pharmaceutical and food products for UV exposure.
• Industrial monitoring.
• Medical device monitoring for usage in dermatology, radiotherapy, etc.
• Monitoring and detection of UV curing in printing, coating, and other industrial processes.
• Sensing of UV radiation from tungsten lamps used in laboratories.

The AXUV63HS1 has an active area of just 1.5mm2, making it an incredibly compact device for practical applications. This device also has a fast response time of less than 10 ms, which makes it well-suited for use in real-time applications.

Working principle of AXUV63HS1

The AXUV63HS1 is constructed using a diode die, which is typically composed of a p-n junction. When the device is illuminated with UV radiation, electrons in the p-type region are excited to the conduction band of the n-type region. This results in a flow of current through the diode, which can be used to measure the intensity of the UV radiation.

The diode is usually reverse-biased when operated in a photoreceiving mode. This means that most of the electrons remain in the valence band and do not contribute to the current flow in the device. The diode behaves as a resistor when illuminated with UV radiation. When the illumination intensity is increased, the resistance of the device decreases, resulting in greater current flow.

The AXUV63HS1 has an output current that is linearly proportional to the intensity of the UV radiation. This feature allows the device to be used for applications that require accurate measurements of UV radiation over a wide range. The output current of the device can also be adjusted using a variety of different methods, such as the use of a filter or a wavelength-selective reflector.

Conclusion

The AXUV63HS1 is a miniature UV photodiode device that can be used for sensing and monitoring UV radiation in many different applications. It has an active area of just 1.5 mm2 and a fast response time of less than 10 ms, making it well-suited for use in real-time applications. This device also has a linear output current that is proportional to the intensity of the UV radiation, making it suitable for precise measurements.

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