Example A He-Ne laser (n = 1.0) has a cavity length of 50 cm and an output wavelength of 632.8 nm. %3D Find: The mode spacing and the ne esd longitudinal mode number.
Example A He-Ne laser (n = 1.0) has a cavity length of 50 cm and an output wavelength of 632.8 nm. %3D Find: The mode spacing and the ne esd longitudinal mode number.
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