Refer to the exhibit. what type of device is highlighted in white

The amount of scattering that takes place depends on the wavelength of the light and the size and structure of the object. The sky appears blue because of this scattering behavior. Light at shorter wavelengths—blue and violet—is scattered by nitrogen and oxygen as it passes through the atmosphere.

Longer wavelengths of light—red and yellow—transmit through the atmosphere. This scattering of light at shorter wavelengths illuminates the skies with light from the blue and violet end of the visible spectrum. Even though violet is scattered more than blue, the sky looks blue to us because our eyes are more sensitive to blue light. Aerosols in the atmosphere can also scatter light. Refraction is when light waves change direction as they pass from one medium to another.

Light travels slower in air than in a vacuum, and even slower in water. As light travels into a different medium, the change in speed bends the light. Different wavelengths of light are slowed at different rates, which causes them to bend at different angles.

Wave Behaviors. Retrieved [insert date - e. Science Mission Directorate. National Aeronautics and Space Administration. Wave Behaviors Light waves across the electromagnetic spectrum behave in similar ways. For example, when the full spectrum of visible light travels through the glass of a prism, the wavelengths are separated into the colors of the rainbow.

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Our extremely compact and efficient designs are available in the broadest product and technology portfolio of silicon Si , silicon carbide SiC , and gallium-nitride GaN -based devices to provide our customers with the best solutions for their unique application requirements.

First, GaN semiconductors target voltages today ranging from 80V to V and offer medium power at the highest switching frequencies. With very high efficiency at maximum power density, both GaN and SiC semiconductors have lower switching losses than Si-based semiconductors.

When it comes to the differences between GaN vs. SiC power electronics semiconductors, SiC power semiconductors offer superior gate-oxide reliability, excellent ease of use, and are extremely robust and employ vertical transistor concepts compared to GaN, which is a lateral transistor. GaN and SiC bring different strengths into the application solution space. However, their benefits depend on their application. For example, Silicon Carbide is superior when it comes to high-temperature and high-voltage applications, such as high-power string inverters.

For high-temperature capability, a lower temperature co-efficient and high blocking voltage capabilities satisfy the application demands best. GaN is superior when it comes to ultimate power density.

This is especially the case in applications where construction volume is very limited, such as switched-mode power suppliers in datacenters since power levels increase in a given space. In this case, efficiency and high switching frequencies are combined to push the application to the next level which are impossible to reach by other technologies. Watch our webinar to discover more about technological positioning of silicon versus SiC and GaN power devices for both high and low power applications.

Infineon offers trusted expertise in all 3 main power semiconductor technologies. Check out how to position them in ACDC applications!