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簡要描述：Eksma ND：YAG激光脈沖的電動可變衰減器該可變衰減器/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(shí)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(xué)接觸）中。半波片直徑25.4毫米（用于飛秒應(yīng)用）或零級空氣間隔半波片（用于高功率應(yīng)用），其放置在旋轉(zhuǎn)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。
產(chǎn)品品牌：Eksma廠商性質(zhì)：代理商更新時(shí)間：2021-03-19訪 問 量：1403詳細(xì)介紹
| 品牌 | Eksma | 價(jià)格區(qū)間 | 面議 |
|---|---|---|---|
| 組件類別 | 光學(xué)元件 | 應(yīng)用領(lǐng)域 | 醫(yī)療衛(wèi)生,環(huán)保,化工,電子/電池,綜合 |
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(jī)械組成，易于設(shè)置。波片的電動旋轉(zhuǎn)允許連續(xù)改變輸出光束的強(qiáng)度比。
產(chǎn)品介紹
Ø將激光束分為兩束手動調(diào)節(jié)的強(qiáng)度比，以68°角分開
Ø大動態(tài)范圍
Ø透射光束偏移?1毫米
Ø高光學(xué)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(shí)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(xué)接觸）中。半波片直徑25.4毫米（用于飛秒應(yīng)用）或零級空氣間隔半波片（用于高功率應(yīng)用），其放置在旋轉(zhuǎn)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(zhuǎn)波片來連續(xù)改變那兩個分離且不同的偏振光束的強(qiáng)度比，而無需改變其他光束參數(shù)?？梢栽诤軐挼膭討B(tài)范圍內(nèi)控制出射光束的強(qiáng)度或其強(qiáng)度比?？梢赃x擇P偏振以獲得較大的透射率，或者當(dāng)透射光束發(fā)生較大衰減時(shí)可以反射高純度s偏振。
840-0056-12運(yùn)動學(xué)安裝座允許將薄膜Brewster型偏振片的入射角（AOI）調(diào)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(nèi)調(diào)節(jié)?？梢蕴峁┢渌叨茸鳛槎ㄖ疲詫?biāo)準(zhǔn)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(chǎn)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(yīng)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(zhuǎn)分辨率：全步模式 在1/8步進(jìn)模式下 |
|
較高轉(zhuǎn)速 | 50 deg/s |
適用于Nd：YAG激光應(yīng)用
通光孔徑 | 22 mm |
損害閾值 | >5 J/cm2 |
偏振比 | >1:200 |
飛秒應(yīng)用
通光孔徑 | 22 mm |
損害閾值 大功率激光應(yīng)用： | >10 mJ/cm2, 50 fs pulse at 800 nm, typical |
時(shí)間分散 | t<4 fs for 100 fs Ti:Sapphire laser pulses |
偏振比 | >1:200 |
推薦設(shè)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(jié)尾為“ + CP”。
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