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空间光调制器
CRi Spatial Light Modulator
在可见或近红外光束同时调制相位和振幅，且不需要移动部件。这些空间光调制器(SLMs)是被证明是行业的设计，并且提供single-mask和dual-mask配置相位，振幅，或同时阶段/振幅脉冲整形。
主要特点：
·固态，快速，无振动操作
·Single-mask或dual-mask液晶设计相位，振幅，或同时相位/振幅控制
·可见或近红外波长范围
·较小的SLM - 128外壳更容易集成
·USB接口与自由软件开发工具包(SDK)高效低功耗操作和软件集成
Specifications - CRi Spatial Light Modulator | ||||
| P128/A128 | D128 | P640/A640 | D640 |
Optics | ||||
Number of Masks | 1 | 2 | 1 | 2 |
Pixels per Mask | 128 | 128 | 640 | 640 |
Pixel Height | 5000 µm (5mm) | |||
Pixel Pitch | 100 ± 0.005 µm | |||
Inter-Pixel Gap | 2.0 µm | |||
Inter-Mask Alignment | - | ± 2.0 µm | - | ± 2.0 µm |
Inter-Mask Separation | - | 1.03 mm | - | 1.03 mm |
Spectral Range | 488 - 900 nm (VN models), 900 - 1620 nm (NM models) | |||
Transmission VN Model | > 88% | > 85% | > 88% | > 85% |
Transmission NM Model | >92% | >90% | >92% | >90% |
Pulse Damage Threshold | 100 µJ/cm2 (490 nm, 50 fs, 1kHz), 200 µJ/cm2 (890 nm, 50fs, 1kHz) | |||
Maximum Modulation | 3π radians at longest wavelength | |||
Modulation Temp. Coefficient | -0.3% modulation per oC | |||
Response Time | 35 ms (2π radians at 900 nm - VN model), 70 ms (2π radians at 1620 nm - NM model) | |||
Electronics | ||||
Drive Waveform | Bipolar 3.3 kHz square wave | |||
Drive Resolution | 12 bit, 2.44 mV per step | |||
Frame Buffers | 128 | 32 | ||
Interfaces | USB 1.1, 5V/3.3V logic trigger (TTL compatible) | |||
Power | +24V DC, via universal adapter (included) | |||
Housing | ||||
Mechanical Housing | 3 x 1/4" - 20 and 2 x M6 threaded holes | |||
Overall Size | 5.29" x 6.90" x 0.98" | 7.2" x 12.8" x 1.54" | ||
Environmental | ||||
Operating Temperature | 18 oC to 35 oC | |||
Storage Temperature | -15 oC to 50 oC | |||
Transmissive Spatial Light Modulator
六角空间光调制器——我们提供的透射六角形阵列SLMs适用于自适应光学的应用程序。二维数组液晶的变量情况下，可作为一个实时可编程相位掩模线性偏振波前校正的来源。
主要特点：
·高透射率
·紧凑的光学封装设计
·计算机控制
·相位或振幅调制
详细规格：
Specifications - Transmissive Spatial Light Modulator | |
Retarder Material | Nematic liquid crystal |
Substrate Material | Optical quality synthetic fused silica |
Center Wavelength | 450-1800 nm (specify) |
Phase Amplitude (min.) | 1λ optical path difference 0-* |
Retardance Uniformity | ≤ 2% rms variation over clear aperture |
Transmitted Wavefront Distortion | ≤ λ/4 (P-V @ 633) [≤ λ /10 (RMS @ 633)] |
Surface Quality | 40 -20 scratch-dig |
Beam Deviation | ≤ 2 arc-min |
Transmittance | > 90% (without polarizers) |
Reflectance (per surface) | ≤ 0.5% at normal incidence |
Dimensions (L x W x H) | 7.00 x 2.96 x 0.74 in. |
Recommended Safe | 500 W/cm2, CW 300 mJ/cm2, 10 ns, 532 nm |
Temperature Range | 10˚C to 45˚C |
Controller Specifications | |
Output Voltage | 2 kHz ac square wave digitally |
Voltage Resolution | 2.44 mV (12 bit) |
Computer Interface | USB |
Power Requirements | 100-240 V ac 47-63 Hz 1A |
Dimensions (L x W x H) | 9.50 x 6.25 x 1.50 in. |
Weight | 2 lbs. |
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