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Eksma 飛秒級和ND：YAG激光脈沖的電動可變衰減器990-0072M
Eksma ND：YAG激光脈沖的電動可變衰減器
具有ø22 mm通光孔徑的電動可變衰減器，由薄膜偏振片，半波片和光機械組成，易于設置。波片的電動旋轉允許連續改變輸出光束的強度比。
產品介紹
Ø將激光束分為兩束手動調節的強度比，以68°角分開
Ø大動態范圍
Ø透射光束偏移?1毫米
Ø高光學損傷閾值
該可變衰減器/分束器由直徑為50.8毫米的UV FS薄膜布魯斯特型偏振片組成，該偏振片反射s偏振光，同時透射p偏振光，并安裝在分束器安裝座840-0056-12和石英零階（光學接觸）中。半波片直徑25.4毫米（用于飛秒應用）或零級空氣間隔半波片（用于高功率應用），其放置在旋轉的偏振片支架840-0190-01中，并放置在入射的線性偏振激光束中。
可以通過旋轉波片來連續改變那兩個分離且不同的偏振光束的強度比，而無需改變其他光束參數?？梢栽诤軐挼膭討B范圍內控制出射光束的強度或其強度比?？梢赃x擇P偏振以獲得較大的透射率，或者當透射光束發生較大衰減時可以反射高純度s偏振。
840-0056-12運動學安裝座允許將薄膜Brewster型偏振片的入射角（AOI）調整為±4.5°，并獲得較大的消光對比度。支架位于桿，桿支架和可移動基座820-0090上。
距桌面的光軸高度可以在78-88 mm的范圍內調節。可以提供其他高度作為定制，以將標準桿和桿架更改為更高的高度。
Eksma ND：YAG激光脈沖的電動可變衰減器
產品型號
飛秒激光脈沖
型號 | 波長 | 損壞閾值 | 配置 |
990-0072-343M | 343 nm | >10 mJ/cm², 50 fs @ 800 nm | without controller & power supply |
990-0072-343M+CP | 343 nm | >10 mJ/cm², 50 fs @ 800 nm | with controller & power supply |
990-0072-400M | 400 nm | >10 mJ/cm², 50 fs @ 800 nm | without controller & power supply |
990-0072-400M+CP | 400 nm | >10 mJ/cm², 50 fs @ 800 nm | with controller & power supply |
990-0072-515M | 515 nm | >10 mJ/cm², 50 fs @ 800 nm | without controller & power supply |
990-0072-515M+CP | 515 nm | >10 mJ/cm², 50 fs @ 800 nm | with controller & power supply |
990-0072-800M | 800 nm | >10 mJ/cm², 50 fs @ 800 nm | without controller & power supply |
990-0072-800M+CP | 800 nm | >10 mJ/cm², 50 fs @ 800 nm | with controller & power supply |
990-0072-800BM | 780-820 nm | >10 mJ/cm², 50 fs @ 800 nm | without controller & power supply |
990-0072-800BM+CP | 780-820 nm | >10 mJ/cm², 50 fs @ 800 nm | with controller & power supply |
990-0072-1030M | 1030 nm | >10 mJ/cm², 50 fs @ 800 nm | without controller & power supply |
990-0072-1030M+CP | 1030 nm | >10 mJ/cm², 50 fs @ 800 nm | with controller & power supply |
990-0072-1030BM | 1010-1050 nm | >10 mJ/cm², 50 fs @ 800 nm | without controller & power supply |
990-0072-1030BM+CP | 1010-1050 nm | >10 mJ/cm², 50 fs @ 800 nm | with controller & power supply |
大功率激光應用
型號 | 波長 | 損壞閾值 | 配置 |
990-0072-266HM | 266 nm | >100 mJ/cm², 50 fs @ 800 nm | without controller & power supply |
990-0072-266HM+CP | 266 nm | >100 mJ/cm², 50 fs @ 800 nm | with controller & power supply |
990-0072-343HM | 343 nm | >100 mJ/cm², 50 fs @ 800 nm | without controller & power supply |
990-0072-343HM+CP | 343 nm | >100 mJ/cm², 50 fs @ 800 nm | with controller & power supply |
990-0072-400HM | 400 nm | >100 mJ/cm², 50 fs @ 800 nm | without controller & power supply |
990-0072-400HM+CP | 400 nm | >100 mJ/cm², 50 fs @ 800 nm | with controller & power supply |
990-0072-515HM | 515 nm | >100 mJ/cm², 50 fs @ 800 nm | without controller & power supply |
990-0072-515HM+CP | 515 nm | >100 mJ/cm², 50 fs @ 800 nm | with controller & power supply |
990-0072-800HM | 800 nm | >100 mJ/cm², 50 fs @ 800 nm | without controller & power supply |
990-0072-800HM+CP | 800 nm | >100 mJ/cm², 50 fs @ 800 nm | with controller & power supply |
990-0072-800HBM | 780-820 nm | >100 mJ/cm², 50 fs @ 800 nm | without controller & power supply |
990-0072-800HBM+CP | 780-820 nm | >100 mJ/cm², 50 fs @ 800 nm | with controller & power supply |
990-0072-1030HM | 1030 nm | >100 mJ/cm², 50 fs @ 800 nm | without controller & power supply |
990-0072-1030HM+CP | 1030 nm | >100 mJ/cm², 50 fs @ 800 nm | with controller & power supply |
990-0072-1030HBM | 1010-1050 nm | >100 mJ/cm², 50 fs @ 800 nm | without controller & power supply |
990-0072-1030HBM+CP | 1010-1050 nm | >100 mJ/cm², 50 fs @ 800 nm | with controller & power supply |
旋轉分辨率：全步模式 在1/8步進模式下 |
|
較高轉速 | 50 deg/s |
適用于Nd：YAG激光應用
通光孔徑 | 22 mm |
損害閾值 | >5 J/cm2 |
偏振比 | >1:200 |
飛秒應用
通光孔徑 | 22 mm |
損害閾值 大功率激光應用： | >10 mJ/cm2, 50 fs pulse at 800 nm, typical |
時間分散 | t<4 fs for 100 fs Ti:Sapphire laser pulses |
偏振比 | >1:200 |
推薦設置
控制器 | 980-1045 |
電源 | PS12-2.5-4 |
上述控制器和電源已包含在衰減器套件中，其代碼結尾為“ + CP”。
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