Consider the lamp-pumped Nd:YAG laser shown in fig. The pumping beam induces a thermal lens of focal length (f) in the rod. Assume that the rod is simulated by a thin lens of focal length (f-25cm) placed at the resonator center. Calculate the TEMoo mode spot size at the lens and at the mirror locations.
Consider the lamp-pumped Nd:YAG laser shown in fig. The pumping beam induces a thermal lens of focal length (f) in the rod. Assume that the rod is simulated by a thin lens of focal length (f-25cm) placed at the resonator center. Calculate the TEMoo mode spot size at the lens and at the mirror locations.
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Transcribed Image Text:- Consider the lamp-pumped Nd:YAG laser shown in fig. The pumping
beam induces a thermal lens of focal length (f) in the rod. Assume that
the rod is simulated by a thin lens of focal length (f-25cm) placed at the
resonator center. Calculate the TEMoo mode spot size at the lens and at
the mirror locations.
R₁=100%
M₁
6.35mm
+
Fig. 1
7.5 cm
L= 50cm
R₂-85%
M₂
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