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LBP2 系列激光束分析儀可通過(guò)直觀而強(qiáng)大的應(yīng)用軟件快速進(jìn)行空間光束輪廓測(cè)量。

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型號(hào)規(guī)格

特征

Non-Gaussian Beam Profiles

全不銹鋼結(jié)構(gòu)

While many laser systems operate with near-Gaussian beams, other laser systems possess non-Gaussian beams that propagate differently and exhibit significantly different spatial distributions (see above figure for examples). In some cases, a laser resonator emits a beam with a higher-order TEMmn mode. Depending on the resonator geometry, these modes can be cylindrical in nature and are called Laguerre-Gaussian beams or rectangular and are called Hermite-Gaussian beams. In other cases, a laser beam is modified by an optical system to such an extent that its profile and propagation can no longer be approximated using the Gaussian beam analysis. Flat-top beams are one such example where a beam exhibits a nearly constant irradiance over its beam width. Given the steep edges of the beam profile, the diameters of these beams are often characterized by their full-width at half-maximum (FWHM) values as opposed to the HW1/e2 radius values used for Gaussian beams. Such flat-top beams are important for laser-based material processing where a constant irradiance provides more uniform material modification. The propagation of these beams can be quite complicated and is often encountered when a laser beam overfills a focusing objective in order to generate a very small spot size in high-resolution microscopy.

適合各種應(yīng)用的高品質(zhì)相機(jī)

新的 LBP2 系列激光束分析儀有可見(jiàn) (190 - 1100 nm) CCD 或磷光體涂層 (1440 - 1605 nm) CCD 相機(jī)。這兩款相機(jī)都有 640x480 陣列低分辨率或 1600x1200 陣列高分辨率版本。

3D beam profile for an intuitive understanding of the intensity distribution

用于大功率輸入的可堆疊衰減器

每個(gè)激光束分析儀都配有可堆疊的中性密度濾光片（一個(gè) ND1 和兩個(gè) ND2 濾光片），通光孔徑為 19 mm，1 英寸-32UN（C 卡口）。這些 ND 濾光片的損傷閾值為 5 W/cm2。

LBP2 series comes with one ND1 and two ND2 stackable attenuators.

紫外光束成像器

新的 LBP2-UVIMG 是需要查看 193 到 360 nm 光束剖面的用戶的理想選擇。存在將通過(guò)硅相機(jī)成像不良的紫外線輻射轉(zhuǎn)換成可見(jiàn)光的熒光板。然后將其成像到 CCD 上。該轉(zhuǎn)換器具有高光輸出、寬線性動(dòng)態(tài)范圍和高損傷閾值。分辨率為 35 X 35 um，尺寸為 ＆Oslash

紫外分束器

新的 LBP2-UVBS 是紫外分束器，可以安裝在 LBP2-UVIMG 的輸入孔徑上，以允許將更高功率/能量光束成像到 CCD 相機(jī)上。盡管 LBP2-UVIMG 的飽和強(qiáng)度在 248 nm 的 LBP2 光束分析儀中包括的濾光片為 ~ 15 mJ/cm2 和 ~ 20 mJ/cm2，一旦 LBP2-UVBS 安裝在成像器上，可以成像更強(qiáng)的光束。

Phosphor Coating Optimized for 1440 - 1605 nm

The Phosphor coating technology allows you to view NIR (1440 - 1605 nm) lasers and light sources to measure with LBP2-IR and LBP2-HR-IR . The anti-Stokes phosphor coating produces visible photons at a rate roughly the square of the input signal. This non-linearity or Gamma is corrected in the software's Gamma Correction function. Thus an accurate, linear image of the beam profile is obtained permitting standard, cost effective analysis of NIR beams. Note that the measured laser spot size will be slightly larger than the actual size, due to the use of phosphorescence.

Recertification

Unlike an optical power meter or a detector, a laser beam profiler does not have any recalibration process, as there is no traceable standard. However, to help you maintain camera performance, we recommend that customers return their camera on a regular basis (every 12 months is recommended under normal use) for a verification and recertification process. This process will correct bad pixels when possible, clean the imager, and certify that your camera is still performing to factory specifications. Or you will be advised of any changes that may be serious enough to require limiting use, repair or replacement. Please contact Newport calibration facility for inquiry and service.