Liquid Crystal Atmospheric Turbulence Simulator
This product rapidly and quantitatively simulates atmospheric-turbulence effects on propagating beams: intensity scintillation under finite-aperture reception, angle-of-arrival fluctuations, beam spreading, spot wander, phase distortion, and degraded coherence. Configurable parameters include propagation distance, refractive-index structure constant, and atmospheric coherence length; outputs are monitored. It supports functional verification and performance testing of atmospheric laser systems. Software and interface: Three modes are available. 1. Enter atmospheric coherence length directly; turbulence phase screens are generated in real time. 2. Generate phase screens using Zernike polynomials for turbulence simulation. 3. Enter atmospheric parameters; the software calculates coherence length and simulates turbulence using mode 1.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Atmospheric Coherence Length | 1 - 25cm |
| Phase Simulation Accuracy | 1/8λ |
| Coherence Length Simulation RMS [@（r0=1cm）] | 0.20 |
| Coherence Length Simulation RMS [@（r0=3cm）] | 0.64 |
| Coherence Length Simulation RMS [@（r0=5cm）] | 1.11 |
| Coherence Length Simulation PV [@（r0=1cm）] | 0.67cm |
| Coherence Length Simulation PV [@（r0=3cm）] | 1.14cm |
| Coherence Length Simulation PV [@（r0=5cm）] | 2cm |
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