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Measuring the speed of light using beating longitudinal modes in an open-cavity HeNe laser: American Journal of Physics: Vol 78, No 5
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Longitudinal mode Moden Transverse mode Laser Optical cavity, pattern material, angle, white, text png | PNGWing
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Single-mode operation, explained by RP Photonics Encyclopedia; single-frequency lasers, diffraction-limited
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PDF] Measuring the speed of light using beating longitudinal modes in an open-cavity HeNe laser | Semantic Scholar
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