| 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}mnGe
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 Lo @mQ
仪器特点： lQ!ukl)
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 O[3J Px
q 通过对光斑光强分布的分析得到光斑品质的M2值 $
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q 光腰的测量、光腰的位置、光束发散角 I,Q J/s I
q 高斯轮廓的匹配图像 重建3D波前 O*rKV2\
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。 R*/ %+
q 对激光元件，透镜、镜片测试的光学参数进行测试， {%^q8l4j
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。 ' ~ lC85
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 %#2[3N{
q 在生产环境中进行反馈闭环控制测试 =G;whd}]
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 SC74r?N FA
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Lentino 技术指标 Erl"X}P
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Feature Specification K=M5d^K<E
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No of spots with standard camera 30 x 30 }E[S%W[
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Maximum no. of spots (large camera) 100 x 100 zv||&Hi
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Maximum diameter that can be tested 20 mm 0vQ@n 7
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Repeatability of measurements of the Zernike polynomials λ/300 X 8<<;?L
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Repeatability of wavefront measurements λ/200 8<Asg2]6
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Accuracy About λ/10 $dFEC}1t
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Absolute precision Depends on the type of optical element. Typically λ/10 for spherical surfaces ^;$a_eR
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Tilt measurement accuracy (angle, depends on the size of optical element) 4祌ad K SD o)7`
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Wavelength range 0.35 µ -1.1 µ Dsw(ti`@
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Dynamic range of measurements by sub-pupil (tilt subtracted, depends from combination of aberrations) ~ ± 50 λ acdaDY
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Asphericity range About 15% variation in LSA (longitudinal spherical aberration) NwIl~FNK
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Acquisition speed (standard camera). Faster speeds available on request 4 Hz NcZ6!wWdE
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Mounting option Can be mounted vertically or horizontally M, 8a$Mdqh
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Mounting of optical elements Optical system to be tested easily mounted on central mounting slide (\e,,C%;
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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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