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a) Raman spectra (He-Ne laser, 632.8 nm wavelength) of as-grown MWCNTs... | Download Scientific Diagram
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Spectrum of REO He-Ne Tube Producing Five Lines including One Near 609 nm – Experimental Engineering
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Helium-neon lasers, explained by RP Photonics Encyclopedia; He-Ne laser, 633 nm, 544 nm, 594 nm, 612 nm, 3.39 um, 1.15 um
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