| 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. c q:<, Ke
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 (K9pr>le
仪器特点： g~E N3~
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 ^{Wx\+*!
q 通过对光斑光强分布的分析得到光斑品质的M2值 )aSj!X'`;
q 光腰的测量、光腰的位置、光束发散角 cHo@F!{o=
q 高斯轮廓的匹配图像 重建3D波前 :{sy2g/+
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。 i!0w? /g9
q 对激光元件，透镜、镜片测试的光学参数进行测试， mV!Ia -k
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。 LX f r
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 h,-2+}
q 在生产环境中进行反馈闭环控制测试 : &Sv jJR
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 h0 **[LDH
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Lentino 技术指标 V /i~IG`h/
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Feature Specification , ~8&0p
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No of spots with standard camera 30 x 30 *<r\ :g
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Maximum no. of spots (large camera) 100 x 100 B
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Maximum diameter that can be tested 20 mm )<ig6b%
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Repeatability of measurements of the Zernike polynomials λ/300 1fg O 3N
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Repeatability of wavefront measurements λ/200 +"} #4
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Accuracy About λ/10 EBQ,Ypv
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Absolute precision Depends on the type of optical element. Typically λ/10 for spherical surfaces IKo,P$
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Tilt measurement accuracy (angle, depends on the size of optical element) 4祌ad ,zF^^ ,lO7
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Wavelength range 0.35 µ -1.1 µ ,"e n7
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Dynamic range of measurements by sub-pupil (tilt subtracted, depends from combination of aberrations) ~ ± 50 λ 3M^s
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Asphericity range About 15% variation in LSA (longitudinal spherical aberration) x)+ q$FB
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Acquisition speed (standard camera). Faster speeds available on request 4 Hz {!0f.nv
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Mounting option Can be mounted vertically or horizontally =Ju%3ptH0
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Mounting of optical elements Optical system to be tested easily mounted on central mounting slide . n\j<Kq
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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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