3. An ND:YAG laser in the lab emits light at 1064 nm. The laser light is directed into a slab of silicon, which has an index of refraction n = 4. a. What is the relative permittivity of Si at this wavelength? (Hint: Si is non-magnetic.) b. What is the frequency f and period T of the wave in air? c. What is the wavenumber in air (ko) and the wavenumber in Si (k)? d. What is the wavelength of the laser light in the slab of silicon? e. Does the frequency f of the light change from air to silicon?
3. An ND:YAG laser in the lab emits light at 1064 nm. The laser light is directed into a slab of silicon, which has an index of refraction n = 4. a. What is the relative permittivity of Si at this wavelength? (Hint: Si is non-magnetic.) b. What is the frequency f and period T of the wave in air? c. What is the wavenumber in air (ko) and the wavenumber in Si (k)? d. What is the wavelength of the laser light in the slab of silicon? e. Does the frequency f of the light change from air to silicon?
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Transcribed Image Text:3. An ND:YAG laser in the lab emits light at 1064 nm. The laser light is directed into a slab
of silicon, which has an index of refraction n = 4.
a. What is the relative permittivity of Si at this wavelength? (Hint: Si is non-magnetic.)
b. What is the frequency f and period T of the wave in air?
c. What is the wavenumber in air (ko) and the wavenumber in Si (k)?
d. What is the wavelength of the laser light in the slab of silicon?
e. Does the frequency f of the light change from air to silicon?
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