[問題] 請問一下光強度與Poynting vector的關係
我想請問一下光強度與Poynting vector的關係試爲何?!
還有光偵測器的原理?!
光強度的單位在SI制單位下,為瓦特每平方公尺 (W/m2)
那Poynting vector的單位為J·m-2·s-1
那所謂的光強度是不是需要對Poynting vector時間做積分?!
那光偵測所偵測的到的光強度又是怎樣的關係試勒?!
麻煩大大們幫我解答!!謝謝~
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