物質に光を照射すると、その一部の光が散乱します。散乱光には、照射した光と同じ波長 (レイリー散乱光)と異なる波長 (ラマン散乱光)があります。ラマン分光法とは、この照射光と異なる波長のラマン散乱光の性質を調べることで、物質の分子構造や結晶構造などを知る手法です。 無機化合物、有機物、固体、液体、気体など、ほとんどの対象を特別な前処理をせずに測定することができます。
ポリスチレン板のラマンスペクトル (分光モジュール C13560を使用 *SERS基板無し)
- 感度波長範囲: 790～1050 nm
- 波長分解能 (半値幅): 0.4 nm typ.
- 画素数: 2048 ch
- サイズ (W×D×H): 100 × 60 × 12 mm
- 感度波長範囲: 790～920 nm
- 波長分解能 (半値幅): 0.4 nm typ.
- 画素数: 512 ch
- サイズ (W×D×H): 80 × 60 × 12 mm
- 感度波長範囲: 500～600 nm
- 波長分解能 (半値幅): 0.3 nm typ.
- 画素数: 2048 ch
- サイズ (W×D×H): 120 × 70 × 60 mm
1064 nmレーザを用いたラマン分光測定用に設計されたInGaAsリニアイメージセンサです。ラマンスペクトル域の計測に特化するため、従来品 (G11508-512SA)よりもカットオフ波長を短くして、低暗電流化を実現しています。
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