Some Preparative Details of the Nd3+/SeOCl2 Laser

Abstract

Heller and Lempicki1,2 have reported a liquid laser, using a solution of neodymium ions in selenium oxychloride and tin tetrachloride, which operates at room temperature. My investigations have shown that the successful operation of this system is critically dependent on the purity of the components and the method of preparation. The rapid quenching of Nd3+ fluorescence by impurities, containing low atomic weight elements, makes it necessary to purify carefully the solvents and exclude moisture during preparation. Impurities can also be detrimental to the optical quality of the solution. A method of preparation is described here which has been found to give a working solution. Some preliminary results using a simple cell are briefly reported.

References

  1. 1

    Heller, A., App. Phys. Lett., 9, 106 (1966).

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  2. 2

    Lempicki, A., and Heller, A., App. Phys. Lett., 9, 108 (1966).

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  3. 3

    Lempicki, A., and Samelson, H., Sci. Amer., 216, 80 (1967).

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SHEPHERD, T. Some Preparative Details of the Nd3+/SeOCl2 Laser. Nature 216, 1200 (1967). https://doi.org/10.1038/2161200a0

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