Search results for 'red laser'
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$4.90Young's Double-slit Experiment Optical Physical Experiment Single Slit/Double Slits Interference Diffraction Grating Sheet Optics Elements -
$13.80Moire Pattern Diffraction Effects Demonstration Tools Diffraction Grating Ripple Simulator Teaching Optical Physics Experiment -
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$1.50 As low as: $0.50DOE Diffractive Optical Elements Lens DG Grating Lens Laser Light Pattern Projection Stage Star Lighting Effect
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