| water-li |
2009-07-18 21:38 |
意大利SPOTOPTICS激光波前诊断与在线调校系统
SPOTOPTICSS公司20余年的波前产品开发经验，成就业界首台2合一的激光光束完美分析仪器. E,shTh%&~
激光波前特性与光斑品质分析被完美的整合在一个仪器中 ktU98Bk]
仪器特点： i' %V}2
q 从波前探测得出激光系统的波前偏差值，如斜度、像散、彗差等 iBwl(,)?m2
q 通过对光斑光强分布的分析得到光斑品质的M2值 VvSD &r^qI
q 光腰的测量、光腰的位置、光束发散角 ,[,+ _A
q 高斯轮廓的匹配图像 重建3D波前 J*U,kyYF
q 将参考波前图像与获得的激光波前图像对比，使用软件提供的诊断功能，可以给出光学元件调整的方位和位移，快速进行光学系统地对准，数小时的工作，只需要几分钟并从此摆脱靠猜测进行调整的工作方法。 )M#~/~^f+
q 对激光元件，透镜、镜片测试的光学参数进行测试， v+znKpE
q 借助专用的软件模块，可以检测温度对各种像差系数的影响。 k`Ab*M$@Xs
q 根据消除了低阶像差的波阵面图形，检测并修正由于支撑光学元的加持具力度不均造成的误差 @7 &rDZ
q 在生产环境中进行反馈闭环控制测试 =bded(3Z
三个波段，, 可见光 0.4 umto 1.1ìumand 近红外 0.7 um to 1.8um中红外 8 umto 14um YTL [z:k}
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Lentino 技术指标 7 n,nODbJ
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Feature Specification J;+tQ8,AP
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No of spots with standard camera 30 x 30 rVzj LkN^
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Maximum no. of spots (large camera) 100 x 100 L:%ek3SOz
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Maximum diameter that can be tested 20 mm DC]FY|ff
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Repeatability of measurements of the Zernike polynomials λ/300 L7G':oA_`p
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Repeatability of wavefront measurements λ/200 ZL #4X*zT
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Accuracy About λ/10 d~g
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Absolute precision Depends on the type of optical element. Typically λ/10 for spherical surfaces !vr">@}K
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Tilt measurement accuracy (angle, depends on the size of optical element) 4祌ad .r[DqC
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Wavelength range 0.35 µ -1.1 µ c;Hf +n
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Dynamic range of measurements by sub-pupil (tilt subtracted, depends from combination of aberrations) ~ ± 50 λ W~. 1f1)
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Asphericity range About 15% variation in LSA (longitudinal spherical aberration) $d:/cN
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Acquisition speed (standard camera). Faster speeds available on request 4 Hz /jC0[%~jV
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Mounting option Can be mounted vertically or horizontally Za jQ B
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Mounting of optical elements Optical system to be tested easily mounted on central mounting slide Up`$U~%-
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Easy access to optical elements Access to the mounting plate of Lentino is from the front of the instrument
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