MPPCはSiPM (Silicon Photomultipliers)と呼ばれるデバイスの一種で、複数のガイガーモードAPD (アバランシェ・フォトダイオー ド)のピクセルから成る、新しいタイプのフォトンカウンティング・デバイスです。優れたフォトンカウンティング能力をもち、低電圧動作で、磁場の影響を受けない光半導体素子です。 S14420シリーズは、可視～近赤外域用MPPCです。可視～近赤外域で従来品 (S13360シリーズ)よりも高い検出効率を実現して います。
・高検出効率: 40% (λ=600 nm, Vop=VBR + 5)
・低電圧 (VBR=42 V typ.)で動作
|有効受光面サイズ/ch||φ 1.5 mm|
|最大感度波長 typ.||600 nm|
|ダークカウント/ch typ.||380 kcps|
|端子間容量/ch typ.||90 pF|
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