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Mid-infrared III-V diode lasers for trace-gas sensing

By: Narayan, S.Y.; Lee, H.; Garbuzov, D.Z.; York, P.K.; Menna, R.J.; Martinelli, R.U.; Connolly, J.C.;

1995 / IEEE / 0-7803-2450-1


This item was taken from the IEEE Periodical ' Mid-infrared III-V diode lasers for trace-gas sensing ' Semiconductor diode lasers are well-suited as sources for trace-gas monitoring systems using laser absorption spectroscopy (LAS). They are compact, and as single-mode, distributed feedback (DFB) lasers, their wavelengths tune continuously and accurately with current and temperature. In the near-infrared from about 1.25 to 2 /spl mu/m, diode lasers with wavelengths corresponding to the molecular absorption lines are commercially available.