| 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. Tky P_*
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 N 3$%!\~O
仪器特点： b<E+5;u
q 从波前探测得出激光系统的波前偏差值，如斜度、像散、彗差等 ,6 AnuA
q 通过对光斑光强分布的分析得到光斑品质的M2值 (N[R`LN
q 光腰的测量、光腰的位置、光束发散角 5 ^867
q 高斯轮廓的匹配图像 重建3D波前 AJ "a
q 将参考波前图像与获得的激光波前图像对比，使用软件提供的诊断功能，可以给出光学元件调整的方位和位移，快速进行光学系统地对准，数小时的工作，只需要几分钟并从此摆脱靠猜测进行调整的工作方法。 Lh;U2pA
q 对激光元件，透镜、镜片测试的光学参数进行测试， |D1 :~z
q 借助专用的软件模块，可以检测温度对各种像差系数的影响。 3$f+ 3/l
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 ?4%@"49n X
q 在生产环境中进行反馈闭环控制测试 tRu j}n+x
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 $ /#F9>e Z
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Lentino 技术指标 -|g9__|@
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Feature Specification + J` Qv,0
Rx,5?*b$
No of spots with standard camera 30 x 30 aGb HDo
j {&$_
Maximum no. of spots (large camera) 100 x 100 /hp
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x +]ek
Maximum diameter that can be tested 20 mm p G(F w >
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Repeatability of measurements of the Zernike polynomials λ/300 G<M9 6 V
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Repeatability of wavefront measurements λ/200 ?A]/
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Accuracy About λ/10 'PWX19
JA2o y09G
Absolute precision Depends on the type of optical element. Typically λ/10 for spherical surfaces u2
t=*<X
Dn[u zY6
Tilt measurement accuracy (angle, depends on the size of optical element) 4祌ad
-^ R?O
T%]@R4z#q
Wavelength range 0.35 µ -1.1 µ Zdy{e|-Zn
Bg.
Dynamic range of measurements by sub-pupil (tilt subtracted, depends from combination of aberrations) ~ ± 50 λ ?*L{xNC#
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Asphericity range About 15% variation in LSA (longitudinal spherical aberration) 6Wk9"?+1
3<O=,F
Acquisition speed (standard camera). Faster speeds available on request 4 Hz 3g87 i r
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Mounting option Can be mounted vertically or horizontally *?rO@sQy]
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Mounting of optical elements Optical system to be tested easily mounted on central mounting slide h@C P
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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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