SpotOptics 公司的Lentino 系统是基于夏克-哈特曼(Shack-Hartmann )原理的新一代波前测试系统，是非球面镜和数码相机镜头质量控制的完整解决方案。直径0.5mm到20mm的光学元件都可测试，并且具有手动、自动调像差校功能。Lentino 测试系统被数码相机制造商Pentax公司用于Optio series 数码相机的质量检测。
可满足不同波长范围的检测需要：
390 nm -1100 nm (Vis) 900 nm-1700 nm (NIR) 125 nm-1100 nm (UV)
应用说明： Elements that can be tested 应用领域 | Lenses/透镜
Group of lenses/ 透镜组(镜头)
Aspheric lenses/ 非球面透镜
Digital camera lenses/ 数码相机透镜
| Diameter range/ 镜片直径 | From 0.5 mm to 20 mm |
| NA range 数值孔径 | About 0.65 to 0.02 |
| Environment 使用环境 | 实验室 或 生产线 |
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| Lentino 功能特点 |
| 阅读: 4892 |
Features |
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- 配有2个内置校正光源（一个固定，一个马达控制），可以采用平行光测试，也可以在被测光学系统的焦点处采用针孔模式测试
- 根据需要测试的波长范围，可灵活配置非致冷相机、红外相机或紫外相机
- 所有光学元件都安装在同一光轴上
- 待测光学元件或系统装在马达驱动的2维辅助平台，可精确定位在光轴位置
- 标准采样范围 30 x 30 spots + 非致冷相机
- **采样范围: 100 x 100 spots
- 可用于非球面透镜测试和数码相机测试
- Φmax=20mm (平行光测试模式)
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Software |
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自动优化夏克-哈特曼图像软件检查需要测试参数是否正确采用2个内置校正光源进行在线校正根据测试图像或参照标准进行在线对准手动或自动在线准直自动优化曝光时间波前重建 (用户选择去除光学失常）70 Zernike aberration terms3 types of Zernike (Standard， Fringe， Annular) and Seidel polynomials can be fit to the dataAverage of images， coefficients and wavefront to reduce noiseAutomatic computation of optical quality for three cases: (i) tilt or tilt & defocus removed;
(ii) 7 Zernike terms removed;
(iii) user-selected Zernike aberrations removed
Analysis in real-time (2D and 3D wavefront， Zernike aberrations， spot diagram， residuals)On-line optical alignment of complex optical systemsOn-line adjustment of spacing between optical elementsMTF， PSF， EE (optional)Over 50 graphs to help you interpret the resultsOutput in Text as well as Excel formatCreation of test report |
| Lentino 技术指标 |
| 阅读: 4891 |
| Feature | | Specification | | | | | No of spots with standard camera | | 30 x 30 | | | | | Maximum no. of spots (large camera) | | 100 x 100 | | | | | Maximum diameter that can be tested | | 20 mm | | | | | Repeatability of measurements of the Zernike polynomials | | λ/300 | | | | | Repeatability of wavefront measurements | | λ/200 | | | | | Accuracy | | About λ/10 | | | | | Absolute precision | | Depends on the type of optical element. Typically λ/10 for spherical surfaces | | | | | Tilt measurement accuracy (angle， depends on the size of optical element) | | 4祌ad | | | | | Wavelength range | | 0.35 µ -1.1 µ | | | | | Dynamic range of measurements by sub-pupil (tilt subtracted， depends from combination of aberrations) | | ~ ± 50 λ | | | | | Asphericity range | | About 15% variation in LSA (longitudinal spherical aberration) | | | | | Acquisition speed (standard camera). Faster speeds available on request | | 4 Hz | | | | | Mounting option | | Can be mounted vertically or horizontally | | | | | Mounting of optical elements | | Optical system to be tested easily mounted on central mounting slide | | | | | Easy access to optical elements | | Access to the mounting plate of Lentino is from the front of the instrument | | | | | Dimensions (L x W x H) | | 22 x 20 x 60 cm | | | | | Weight(approximate) | | 15 Kg | | | | | Input voltage (for motor movement) | | Power supply 500 mA， 9 V |
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