LCOS-SLMは、光の位相を自由に変調する反射型の空間光位相変調器です。
画素電極上に、特定のレーザ波長に合わせて専用設計した誘電体多層膜が形成されています。広波長帯域タイプと比較して反射率が高く、LCOSのチップ内部での光の吸収が低減されるため、光利用効率と耐光性にすぐれています。
特定波長向けタイプのヘッド部に水冷ヒートシンクを搭載し、レーザ照射による液晶の温度上昇を抑制して、耐光性をさらに向上させているため、高出力レーザにも対応可能です。
水冷ヒートシンクに加えて、ガラス基板にサファイアガラスを採用し放熱効率を高めることで、耐光性を高めています。金属加工に使用されるような700 W以上のレーザにも対応可能です。
*1 単位面積あたり500 mW/cm2以下を推奨。
*2 照射条件に依存するため、詳細についてはお問い合わせください。
各タイプにはより小型で低価格化した組み込み型も紹介可能です。詳細はお問い合わせください。
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