Physics, 09.11.2019 02:31 UncleVictor5188
Very short pulses of high-intensity laser beams are used to repairdetached portions of the retina of the eye. the brief pulses ofenergy absorbed by the retina welds the detached portion back intoplace. in one such procedure, a laser beam has a wavelength of 900nm, and delivers 258 mw, of power spread over a circular spot 595{\mu}m, in diameter. the vitreous humor (the transparent fluid thatfills most of the eye) has an index of refraction of 1.34.part a if the laser pulses are each 1.5 ms, long, how much energy isdelivered to the retina with each pulse? part b what average pressure does the pulse of the laser beam exert on theretina as it is fully absorbed by the circular spot? part c what is the wavelength of the laser light inside the vitreous humorof the eye? part d what is the frequency of the laser light inside the vitreous humorof the eye? part e what is the maximum value of the electric field in the laserbeam? part f what is the maximum value of the magnetic field in the laserbeam?
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Very short pulses of high-intensity laser beams are used to repairdetached portions of the retina of...
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