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Newport LBP2 系列激光束采樣器

Newport LBP2 系列激光束采樣器

  • 產(chǎn)品型號(hào):
  • 更新時(shí)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(shè)計(jì)為使得單個(gè)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(fù)原始光束的偏振分量。
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產(chǎn)品介紹

品牌Newport/美國(guó)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

Newport LBP2 系列激光束采樣器

這些光束采樣器設(shè)計(jì)為使得單個(gè)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(fù)原始光束的偏振分量。

設(shè)計(jì)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(diào)節(jié)的 ND 濾光片

Newport LBP2 系列激光束采樣器

對(duì)比型號(hào)
 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(shí)時(shí)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(cè)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(shè)計(jì)為使得單個(gè)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(fù)原始光束的偏振分量。光束采樣器通過(guò)將來(lái)自一對(duì)楔形物的前表面的入射光束反射 90 度到相機(jī)中來(lái)操作。約 99% 的光束通過(guò)光束采樣器傳輸,0.01% 傳遞到相機(jī)。提供一組可調(diào)節(jié)的 ND 濾光片以在光束到達(dá)相機(jī)成像器之前對(duì)其進(jìn)行終強(qiáng)度調(diào)節(jié)。此外,兩個(gè)采樣器可以串聯(lián)耦合,提供高達(dá) 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/cm
2
( 100 mW/cm2 for -UV version),
however, distortion due to thermal lensing can happen at as low as 5 W/cm
2.
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/cm
2
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.

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