Japan (JA)
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フォトンカウンティングヘッド
H16721-40
H16721シリーズは、GaAsP/GaAs光電面のメタルパッケージ光電子増倍管と電子冷却素子を内蔵したフォトンカウンティングヘッドです。電子冷却素子により光電面から生じるサーマルノイズを低減、高QEの光電面との組合せにより極微弱な光もSN良く計測することができます。H16721-40は、300 nm ～ 740 nm の波長域で高い感度を有します。光電子増倍管の近くにサーミスタを取り付けており、この出力をモニターし電子冷却素子への電流を制御することで、光電子増倍管の温度を一定に保つことができます。
仕様
| 受光面形状 | 円形 |
|---|---|
| 受光面サイズ | φ5 mm |
| 感度波長 (Short) | 300 nm |
| 感度波長 (Long) | 740 nm |
| 感度波長 (Peak) | 610 nm |
| 外形寸法 (W x H x D) | 56 mm x 36 mm x 104 mm |
| 入力電圧 | +4.5 V ～ +5.5 V |
| 最大入力電圧 | +6 V |
| 最大入力電流 | 50 mA |
| 計数感度 at 400 nm Typ. | 5.3 x 105 s-1・pW-1 |
| 計数感度 at 500 nm Typ. | 9.0 x 105 s-1・pW-1 |
| 計数感度 at 600 nm Typ. | 10.3 x 105 s-1・pW-1 |
| 計数感度 at 700 nm Typ. | 8.5 x 105 s-1・pW-1 |
| カウントリニアリティ | 1.5 x 106 s-1 |
| ダークカウント Typ. | 100 s-1 |
| ダークカウント Max. | 300 s-1 |
| パルスペア分解能 | 70 ns |
| 出力パルス幅 | 30 ns |
| 出力パルス波高 Min. | 3 V |
| 出力パルス波高 Typ. | 3.6 V |
| 推奨負荷抵抗 | 50 Ω |
| 信号出力論理 | 正論理 |
| 動作周囲温度 | +5 ℃ ～ +35 ℃ |
| 保存温度 | -20 ℃ ～ +50 ℃ |
| 質量 | 395 g |
外形寸法図 (単位: mm)
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