芯片上的光学传感器简化手持式光谱仪设计
近红外光谱或可见光谱中的光谱学提供了一种简单的分析方法,用于在广泛的应用中表征材料。然而,适当的设备的成本和规模使技术无法获得新的机会,特别是在移动和手持设备中。
直到最近。现在,AMS的单芯片多通道频谱分析仪的可用性为开发人员提供了一个简单的解决方案,以满足新兴的便携式光学光谱学的需求。
How optical spectrum analysis works
Optical spectrum analysis is simple in concept. After illuminating a target with an appropriate light source, a reflection spectrometer uses optical filters to capture the distinct wavelengths of light that are reflected off the target. Note that absorption spectrometers operate similarly, but capture the wavelengths that remain after the source illumination passes through a target liquid solution.
Because the target’s materials absorb a characteristic set of wavelengths, analysis of the reflected light can reveal information about the target’s chemical composition. From its pioneering use in astronomy, chemistry, and physics, this basic technique has moved out of the lab, enabling a broad array of enterprise-level applications in pharmacology, medicine, and telecommunications.
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