XY面阵相位系列空间光调制器能够对入射光相位进行Pixel-by-Pixel的控制。XY面阵相位系列空间光调制器广泛用于实现计算机制全息图、光束偏转控制、大气校正、光镊等领域。 BNS公司的XY相位型空间光调制器能够提供当今市场上纯相位调制的速率。BNS除了提供各种标准化的产品外，还为光电领域内各种特殊的应用提供专门设计的多种空间光调制器，使其能够在客户的应用领域达到的效果。BNS空间光调制器目前能够在可见光到近红外范围内的各种不同指定波长下实现化的性能。BNS型的可以工作于短波红外、中波红外与长波红外波段的产品样机也已经开发完成。
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特点 |
应用 |
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高光学效率 |
光谱分析 |
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无机械可移动部件 |
图像滤波 |
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安全的低电压操作 |
光开关 |
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KHz开关频率的高速振幅控制 |
光相关器 |
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全用户编程 |
图像处理与分析 |
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灵活的系统配置 |
可编程振幅掩膜 |
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安静低振动操作 |
光学数据处理与存储 |
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全固态器件结构 |
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即插即用简易安装 |
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Specifications
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Standard |
Model P512 – λ (nm) |
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Array Size |
7.68 x 7.68 mm |
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Design Wavelength (nominal) |
532, 635, 785, 1064, or 1550 nm
Specify wavelength, λ in nm when ordering.
Other wavelengths available upon special request. |
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Diffraction Efficiency (zero-order) |
61.5% (maximum) |
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Duty Cycle |
Up to 100% |
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External Window1 |
Broadband antireflection coated for Ravg < 1%
(over 450 – 865 nm or 850 – 1650 nm). |
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Fill Factor |
83.4% |
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Format |
512 x 512 (262,144 active pixels) |
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Mode |
Reflective |
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Modulation |
Controllable index of refraction |
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Phase Levels (resolvable) |
50 linear levels (minimum) for 2π phase stroke |
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Phase Stroke (double-pass) |
Typically 2π at user-specified laser line |
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Pixel Pitch |
15 x 15 μm |
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Reflected Wavefront Distortion (rms)2 |
λ/3 - λ/8 |
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Response Time3 |
33 - 100 ms |
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Spatial Resolution |
33 lp/mm |
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Switching Frequency3 |
10 – 30 Hz |
Options
|
PhaseFlat |
Model PF512 – λ (nm) |
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Reflected Wavefront Distortion (rms)2 |
λ/12 – λ/20 |
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High Speed NEW |
Model HSP512 – λ (nm) |
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Switching Frequency3 |
50 – 150 Hz |
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Response Time3 |
6.7 – 20 ms |
|
Dielectric Mirror NEW |
Model DMP512 – λ (nm) |
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Fill Factor |
100.0% |
|
Diffraction Efficiency |
90 – 95% |
1. Custom antireflection coating options are also available, including V-type for optimum optical efficiency at a single laser wavelength.
2. At nominal wavelength 3. Phase stroke, temperature, and wavelength dependent.