LEDは、電気エネルギーを光エネルギーに変換する半導体素子です。レーザダイオード (LD)と比較すると、安価で長寿命というメリットをもっています。 浜松ホトニクスでは、主に受光素子と組み合わせて使用される、赤色から中赤外の各種LEDを用意しています。
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