Interferometric measurement of laser heating in praseodymium-doped YAG crystal.

  title={Interferometric measurement of laser heating in praseodymium-doped YAG crystal.},
  author={Carlton Farley and B. Rami Reddy},
  journal={Applied optics},
  volume={50 4},
Temperature measurement is required for many applications but can be difficult in some cases. Laser heating or cooling studies demand accurate measurements of temperature changes. A Michelson interferometer configuration has been used to investigate laser heating in solids. An analytical formula was derived to estimate the temperature change from the fringe count by taking into account the temperature dependence of the sample length and refractive index. When 115 mW of a focused Ar+ laser beam… CONTINUE READING

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