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Newport LBP2 系列激光束采樣器
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- 更新時間：2023-12-19
- 產(chǎn)品介紹：Newport LBP2 系列激光束采樣器 這些光束采樣器設計為使得單個楔形的優(yōu)先偏振選擇效果被抵消，并且所得的光束圖像被偏振校正以恢復原始光束的偏振分量。
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產(chǎn)品介紹
| 品牌 | Newport/美國 | 價格區(qū)間 | 面議 |
|---|---|---|---|
| 組件類別 | 光學元件 | 應用領域 | 醫(yī)療衛(wèi)生,環(huán)保,化工,電子 |
Newport LBP2 系列激光束采樣器
這些光束采樣器設計為使得單個楔形的優(yōu)先偏振選擇效果被抵消，并且所得的光束圖像被偏振校正以恢復原始光束的偏振分量。
設計為與 LBP2 光束分析儀一起使用
樣品被偏振校正
包括一組可調節(jié)的 ND 濾光片
Newport LBP2 系列激光束采樣器
| 對比 | 型號 |
 | LBP2-SAM-BB2LBP2 光束采樣系統(tǒng)，190-1550 nm |
 | LBP2-SAM-NIR2LBP2 光束采樣系統(tǒng)，1064 nm |
 | LBP2-SAM-UV2LBP2 光束采樣系統(tǒng)，266-355 nm |
 | LBP2-SAM-VIS2LBP2 光束采樣系統(tǒng)，400-700nm |
特征
用于大功率輸入的實時光束監(jiān)控的光束采樣器
LBP2-SAM 系列光束采樣器附件允許您測量直徑大為 15mm、功率范圍從 10 mW 到 ~400 瓦的激光束。光束采樣器設計為使得單個楔形的優(yōu)先偏振選擇效果被抵消，并且所得的光束圖像被偏振校正以恢復原始光束的偏振分量。光束采樣器通過將來自一對楔形物的前表面的入射光束反射 90 度到相機中來操作。約 99% 的光束通過光束采樣器傳輸，0.01% 傳遞到相機。提供一組可調節(jié)的 ND 濾光片以在光束到達相機成像器之前對其進行終強度調節(jié)。此外，兩個采樣器可以串聯(lián)耦合，提供高達 10-8
的衰減。
LBP2-SAM mounted on an LBP2 laser beam profiler
Additional ND Filters Included
A set of adjustable ND filters, ranging from OD0.3 up to OD4, are provided in the -UV, -VIS, and -NIR versions
to make final intensity adjustments to the beam before it reaches the camera imager, after beam passes through the wedges. In the -BB version, all the ND filters included in the -UV, -VIS, and -NIR versions are included.
There are two slots in series to insert the ND filters on the beam sampler.
Damage threshold of these ND filters are 50 W/cm2
( 100 mW/cm2 for -UV version),
however, distortion due to thermal lensing can happen at as low as 5 W/cm2.
It is advised to use this sampler for optical power ranging from 10 mW to ~400 Watts.
The Broadband Version
One can choose to use the broadband LBP2-SAM-BB2 to handle multiple lasers with a broad range of wavelengths.
The differences between the broadband
version from the others are as follows:
The wedges are not
coated with anti-reflection coating
All the ND filters included in the UV, VIS, and the NIR versions are included
Best Use Recommendation
The ultimate goal of using the beam sampler and the ND filters are to keep the laser intensity level maximum but below the sensor saturation level without
damaging any optical element.
Since the wedges are highly reflective, they are not of concern in most cases.
Keep the laser power so that the intensitive level at below
5 W/cm2
at the first surface of the ND filters
to avoid a thermal lensing effect.
Also, try to avoid using too many ND filters.
The more filters are used in the beam path, the more distortion and interference can happen.
