Abstract
The multimode beam of a Nd:YAG laser (λ≅1.06/μm) with an output power of 5 W is sent to a target at a distance of 10 m from the beam waist. Assuming that the near-field transverse intensity profile is, to a good approximation, Gaussian with a diameter (FWHM) of D= 5 mm and that the M2 factor can be taken as M2~40, calculate the spot size parameter and the radius of curvature of the phase front at the target position.
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© 2001 Springer Science+Business Media New York
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Cerullo, G., Longhi, S., Nisoli, M., Stagira, S., Svelto, O. (2001). Laser Beam Transformation: Propagation, Amplification, Frequency Conversion, Pulse Compression, and Pulse Expansion. In: Problems in Laser Physics. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-1373-5_12
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DOI: https://doi.org/10.1007/978-1-4615-1373-5_12
Publisher Name: Springer, Boston, MA
Print ISBN: 978-0-306-46649-6
Online ISBN: 978-1-4615-1373-5
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