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Optica Publishing Group
  • Chinese Optics Letters
  • Vol. 1,
  • Issue 8,
  • pp. 475-476
  • (2003)

Study on the beam shaping of high-power laser diode bars

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Abstract

Based on the Collins form, the intensity distribution of the resulting beam is derived when Gaussian beams of a high-power laser diode bar pass through a paraxial optical system. Then flattop beam profiles are obtained by a concave cylindrical lens, and the propagation properties are discussed in detail, such as the peak-intensity axis inclined at an angle ?_(i). In addition, an expression to calculate beam angular width is presented.

© 2005 Chinese Optics Letters

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