光伏电池通常对光谱中的可见光和紫外线波段的光子受激性最好,但高频红外光子也能激发电流。
Photovoltaic cells are usually most responsive to photons in the visible and ultraviolet parts of the spectrum, but they can also respond to high-frequency infrared photons.
记录和分析了高功率激光焊接中工作区的紫外和红外信号,着重分析了双波段信号与离焦量变化的对应规律。
Dual waveband signals in high power laser welding were recorded and analyzed, especially, the law between the signals magnitude and the defocusing was discussed.
紫外吸收光谱法是利用不同气体在紫外波段对光具有选择吸收的特性来测量排放烟气中的气体成分和浓度。
UV absorption spectrometry is a method for measuring the gas component and its concentration by the characteristic of selective absorption for light in the UV-VIS region.
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