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Applications of semiconductor diode lasers to element analysis by laser atomic absorption spectrometry, isotope selective Doppler-free spectroscopy and laser induced fluorescence are discussed.Analytical laser spectroscopy has proved many times in the last 15 years that it is able to solve special, difficult analytical problems (see, for example, [I ,2]). Despite the impressive results obtained in research laboratories, analytical laser spectroscopy is still not accepted and established in analytical laboratories for routine measurements. The reason for the missing acceptance are the complex, expensive and not reliable tunable dye laser systems which have been used in analytical laser spectroscopy.

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