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wavelength of 1.06 um is 1 mrad. Determine the 3.1-6 Beam Parameters. The light emitted from a Nd:YAG laser at a a Gaus...
1) A laser produces a Gaussian beam with a waist immediately outside the laser, with a beam radiu...
1) A laser produces a Gaussian beam with a waist immediately outside the laser, with a beam radius of 5 mm, an average power of 1 Watt, and a wavelength of 1 шт. We wish to choose a lens that will focus this beam as tightly as possible, subject to the constraint that the depth of focus must be at least 1 mm. a) What focal length lens should we choose? (Assume an ideal thin lens with no aberrations.) b)What...
1. (3 points) Consider a beam of light of wavelength 514.5 nm emitted by a laser....
1. (3 points) Consider a beam of light of wavelength 514.5 nm emitted by a laser. The diameter of the beam is 2.00 mm and there are 1.30 X 1018 photons emitted per second. a) Find the peak electric field for the electromagnetic wave that constitutes the beam. b) Find the peak magnetic field for the electromagnetic wave that constitutes the beam. (Hint: Recall the average intensity of electromagnetic waves. Also remember that intensity is power per unit area.)
2. (Worth 6 points total.) (a) Find the expression for the total power in a Gaussian...
2. (Worth 6 points total.) (a) Find the expression for the total power in a Gaussian beam with beam waist wo and peak field amplitude at the center of the beam waist Ao, meaning A2 (b) Find the expression for the fraction of the power of a Gaussian beam that will be transmitted through a circular aperture of radius a if the aperture is centered around the optical axis of the Gaussian beam and placed at the beam waist (the...
1. Suppose you bought a red laser pointer (a cheap one you'd buy to play with a cat, not something you'd buy to try to light something on fire 3 miles away) (a) Look up online typical val...
1. Suppose you bought a red laser pointer (a cheap one you'd buy to play with a cat, not something you'd buy to try to light something on fire 3 miles away) (a) Look up online typical values for the power and wavelength of this kind of laser. (b) Estimate the radius of the beam. From this and the power in part (a), find the intensity of the laser light. (c) What are the electric field amplitude and the magnetic...
1) A laser produces a Gaussian beam with a waist immediately outside the laser, with a beam radius of 5 mm, an average power of 1 Watt, and a wavelength of 1 шт. We wish to choose a lens that will focus this beam as tightly as possible, subject to the constraint that the depth of focus must be at least 1 mm. a) What focal length lens should we choose? (Assume an ideal thin lens with no aberrations.) b)What...
1. (3 points) Consider a beam of light of wavelength 514.5 nm emitted by a laser. The diameter of the beam is 2.00 mm and there are 1.30 X 1018 photons emitted per second. a) Find the peak electric field for the electromagnetic wave that constitutes the beam. b) Find the peak magnetic field for the electromagnetic wave that constitutes the beam. (Hint: Recall the average intensity of electromagnetic waves. Also remember that intensity is power per unit area.)
2. (Worth 6 points total.) (a) Find the expression for the total power in a Gaussian beam with beam waist wo and peak field amplitude at the center of the beam waist Ao, meaning A2 (b) Find the expression for the fraction of the power of a Gaussian beam that will be transmitted through a circular aperture of radius a if the aperture is centered around the optical axis of the Gaussian beam and placed at the beam waist (the...
1. Suppose you bought a red laser pointer (a cheap one you'd buy to play with a cat, not something you'd buy to try to light something on fire 3 miles away) (a) Look up online typical values for the power and wavelength of this kind of laser. (b) Estimate the radius of the beam. From this and the power in part (a), find the intensity of the laser light. (c) What are the electric field amplitude and the magnetic...
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