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Development of a dual-wavelength dye-laser system for the UV and its application to simultaneous multi-element detection

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Abstract

In this paper, the design and performance characteristics of a pulsed tunable dye laser system for the simultaneous generation of two UV wavelengths are presented. The system is composed of an oscillator and an amplifier stage, pumped by the second harmonic of a commercial Nd:YAG laser. Dual-wavelength operation is achieved with one additional tuning mirror introduced to the prism expanded grazing incidence oscillator. The two obtained wavelengths are independently tunable, their separation is only limited by the gain profile of the dye. Both wavelengths are frequency doubled by Second-Harmonic Generation (SHG) in two KDP or BBO crystals. Performance characteristics such as bandwidth, efficiency, tuning range and wavelength separation are reported. As application two such systems are used for the simultaneous detection of the four elements cadmium, nickel, manganese and lead by Laser-Excited Atomic Fluorescence Spectrometry in a graphite furnace (ETA-LEAFS).

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Authors and Affiliations

  1. Gesellschaft zur Förderung angewandter Optik, Optoelektronik, Quantenelektronik und Spektroskopie (GOS) e.V., Rudower Chaussee 5, D-12489, Berlin, Germany

    M. Schütz & U. Heitmann

  2. Institut für Strahlungs- und Kernphysik, Technische Universität Berlin, Hardenbergstrasse 36, D-10623, Berlin, Germany

    A. Hese

Authors
  1. M. Schütz
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  2. U. Heitmann
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  3. A. Hese
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Schütz, M., Heitmann, U. & Hese, A. Development of a dual-wavelength dye-laser system for the UV and its application to simultaneous multi-element detection. Appl. Phys. B 61, 339–343 (1995). https://doi.org/10.1007/BF01081533

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  • DOI: https://doi.org/10.1007/BF01081533

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