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 可变形反射镜 Boston Micromachines
  • 可变形反射镜 Boston Micromachines
  • 可变形反射镜 Boston Micromachines

    参考价格: ¥0.00
    产品型号:Mini-DM
    所在地区:上海
    上架时间:2017年05月23日
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  • 详细说明

    可变形反射镜 Boston Micromachines

     

    Mini-DM是一款紧凑的经济型可变形反射镜,是实验室规模的自适应光学系统与实验研究波前控制的理想选择。活动的镜面区域由三分之二的静电驱动单元进行变形控制,并且通过一体化系统与友好的界面控制能达到1kHz的帧频。

     

     

    MEMS镜片是一种名为“Mini-DM”的元件,在镜面的背面配备了32个静电致动器,能够通过控制各个静电致动器来抑制波面像差。可用于检查视网膜,能够获取更清晰的图像。BMC表示,选择MEMSC AP的原因是,该公司是唯一能够实现所要求质量及生产再现性的MEMS生产商

     

    Boston Micromachines公司创立于1999年的Boston Micromachines公司是全球提供基于MEMS技术可变形反射镜的领导企业。BMC公司的产品已经在商用自适应光学系统中得到广泛的用途。BMC的可变形反射镜能够用于波前校正,在视网膜成像、大气校正、共聚焦显微镜与激光脉冲整形等多个领域均有成功应用。

     

    Advantages of Boston Micromachines Deformabe Mirrors: 

    Highly reflective metallic coating (Gold or Aluminum)高反射率的金属涂层(金或铝)

    No hysteresis无滞

    Less than 5 nm repeatability小于5纳米的重复性

    Response time down to 45 µs响应时间减少到45微秒

    Device lifetime >1 billion cycles at ½ full stroke设备寿命

    Low power consumption低功耗

    The Multi-DM: A versatile, robust deformable mirror system for advanced wavefront control

    The popular and versatile Multi-DM offers sophisticated aberration compensation in an easy-to-use package. With 140 precisely controlled elements and low inter-actuator coupling, this system is ideal for a broad range of applications including as microscopy, retinal imaging, and laser beam shaping. The high speed, high precision driver electronics are easily controlled via USB interface. The DM is available in both continuous and segmented surfaces for adaptive optics or spatial light modulator applications. The DMs are capable of up to 5.5 μm stroke, 20 kHz frame rate*, have sub-nm step size, and zero hysteresis.

     

    * 1.5 μm DM and SLM capable of 20 kHz.

    High Order Aberration Correction   DM Selection Chart

     

    Measured Zernikes - 140 actuators with low interactuator coupling creates high order Zernike modes.   Stroke

     1.5 µm

     3.5 µm

     5.5 µm

     

     

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    Aperture

     3.3 mm

     4.4 mm

     4.95 mm

     

     

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    Pitch

     300 µm

     400 µm

     450 µm

     

     

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    Approx. Mechanical

    Response Time

    (10%-90%)

     <20 μs

     <100 μs

     <500 μs

     

     

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    Approx. Interactuator

    Coupling (±5%)

     25%

     35%

     40%

     

     

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    SLM Coupling

     0%

     

       

     

         

    DM Specifications

    140 actuators (12×12 array without 4 corners)

    Coating: Aluminum or Gold

    Protective Window with 400–1100 nm or 1550 nm AR Coating

    Zero hystereses

    Sub-nm average step size

    Fill Factor >99% (DM), 98% (SLM)

    Surface Finish: <20 nm RMS

       Driver Specification

    USB 2.0 Interface

    120–240 VAC Input

    14 bit step resolution

    Frame Rate: 8 kHz with 34 kHz burst

    Dimensions: 9 " × 7 " × 2.5"