Schemes for solving the thermally induced phase-mismatch

• Active cooling of the crystal

  • Courtesy of Y. Yap et.al. Optics Letters -- July 1, 1998 -- Volume 23, Issue 13, pp. 1016-1018

• Beam scan and cylindrical focusing

  D. T. Hon and H. Bruesselbach, IEEE J. Quantum Electron, QE-16, 1356--1364, (1980).
  

• N-plate

  • thinner multi-crystal assembly
  • Cooling gas flow through
    D. Eimerl, IEEE J. Quantum Electron, QE-23, 575--592 (1987)

Gas flow

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