Debanjana adhikari Asked a Question
May 10, 2020 12:25 pmpts 30 pts
Q16. Consider the laser resonator cavity shown in the figure. If is the intensity of the radiation at &=1 mirror M, and a is the gain coefficient of the medium between the mirrors, then the energy density of photons in the plane P at a distance x from M, is (a) (1,/ce~ (c),/ce" +e) d) ,/cea R2 R M, (b) (1,/ce
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  • Vaishnavi rajora thankyou
    again see it
    • cropped-1009715567.jpg
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  • Vaishnavi rajora thankyou
    since it's a cavity the light will move back and forth like move forwARD and backward direction and only one possible combination which is option 'c'.
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