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For a He-Ne laser with a wavelength of 632.8 nm, if the length of the resonator is 60 cm, find the Frequency difference between longitudinal modes (mode spacing) Select one: a. 0.35 G Hz b. 0.5 G Hz c. 0.75 G Hz d. 0.25 G Hz

For a He-Ne laser with a wavelength of 632.8 nm, if the length of the resonator is 60 cm, find the Frequency difference between longitudinal modes (mode spacing) Select one: a. 0.35 G Hz b. 0.5 G Hz c. 0.75 G Hz d. 0.25 G Hz

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For a He-Ne laser with a wavelength of 632.8 nm, if the length of the resonator is 60 cm, find the Frequency difference between longitudinal modes (mode spacing) Select one: a. 0.35 G Hz b. 0.5 G Hz c. 0.75 G Hz d. 0.25 G Hz
Transcribed Image Text:For a He-Ne laser with a wavelength of 632.8 nm, if the length of the resonator is 60 cm, find the Frequency difference between longitudinal modes (mode spacing) Select one: a. 0.35 G Hz b. 0.5 G Hz c. 0.75 G Hz d. 0.25 G Hz
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