A Ruby laser contains a crystal length (4cm) with a refractive index of (1.78). The peak emission wavelength from the device is (0.55µm). Determine the number of longitudinal modes and the bandwidth of the net gain.
A Ruby laser contains a crystal length (4cm) with a refractive index of (1.78). The peak emission wavelength from the device is (0.55µm). Determine the number of longitudinal modes and the bandwidth of the net gain.
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Transcribed Image Text:3. A Ruby laser contains a crystal length (4cm) with a refractive
index of (1.78). The peak emission wavelength from the device is
(0.55µm). Determine the number of longitudinal modes and the
bandwidth of the net gain.
m=145454
Δυ- 3x10'4 Ηz
4. Resonator for laser consisting of two concave mirrors, Nd: YAG
and quality factor M=1 Calculate:
The TEM0 at the center and on the mirrors (wo,w1,w2).
The diffraction angle of the laser beam (Oaiv).
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