Question

6. a) What is the minimum pulse duration of a laser if the separation between the mirrors is 2 m and the length of the rod ids 10 cm and Is the pulse separation. 7 The original ruby laser consisted of 10 cm rod, (medium), coated in one end with 99.9% R mirror and the other with 90% R mirror. Assuming that there is no excited state absorption, i.e. $\alpha$=0, in the laser, calculate a) the fractional loss per pass in the laser cavity and b) the decay time of the cavity 8 Calculate the maximum Q-switched power output from a Nd:YAG laser with $\tau_c$ = 1.1 x10$^{-8}$ sec. if the mode occupies a diameter of 2 mm within the medium -Nd:YAG rod-. The gain is 100 times the threshold value.

          6. a) What is the minimum pulse duration of a laser if the separation between the mirrors is 2 m
and the length of the rod ids 10 cm and Is the pulse separation.
7 The original ruby laser consisted of 10 cm rod, (medium), coated in one end with 99.9% R mirror
and the other with 90% R mirror. Assuming that there is no excited state absorption, i.e. $\alpha$=0, in
the laser, calculate a) the fractional loss per pass in the laser cavity and b) the decay time of the
cavity
8 Calculate the maximum Q-switched power output from a Nd:YAG laser with $\tau_c$ = 1.1 x10$^{-8}$ sec. if
the mode occupies a diameter of 2 mm within the medium -Nd:YAG rod-. The gain is 100 times
the threshold value.

$6. a) What is the minimum pulse duration of a laser if the separation between the mirrors is 2 m and the length of the rod ids 10 cm and Is the pulse separation. 7 The original ruby laser consisted of 10 cm rod, (medium), coated in one end with 99.9% R mirror and the other with 90% R mirror. Assuming that there is no excited state absorption, i.e. $\alpha$=0, in the laser, calculate a) the fractional loss per pass in the laser cavity and b) the decay time of the cavity 8 Calculate the maximum Q-switched power output from a Nd:YAG laser with = 1.1 x10^-8 sec. if the mode occupies a diameter of 2 mm within the medium -Nd:YAG rod-. The gain is 100 times the threshold value.$

Added by Mariano W.

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