MIOMD-XI Speakers    
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1.  Dr. Peter Kaspersen, Norsk Elektro Optikk AS, NORWAY
Invited Talk: Quantum Cascade Lasers in Industrial Applications
Speaker Biography: Peter Kaspersen has held various positions in the Norwegian Electro Optics industry since he graduated from the University of Oslo in Semiconductor Laser Physics in 1969. He joined Norsk Elektro Optikk (NEO) as Technical and Commercial Director in 1992. He has been Managing Director in Norsk Elektro Optikk since 2003. In his positions at NEO he has been responsible for moving Tunable Diode Laser Spectroscopy from the first laboratory experiments in the early 90ties into a successful business venture in Gas Analysis.

Summary: Near infrared tunable diode laser absorption spectroscopy (NIR-TDLAS) has been accepted by industrial users as the best available technology for in-situ emission and process control measurements. However, for some important gases the absorption line strengths and thus the sensitivities are too low (e.g. nitric oxide, NO) or the species does not possess any absorption features in the NIR (e.g. sulfur dioxide, SO2). The fundamental absorption bands in the mid-infrared spectral region (MIR) are orders of magnitude stronger than the overtone and combination bands in the near infrared. For example, the best absorption line in the 5.2 µm-band of nitric oxide is approx. 750 times stronger than the best line in the 1.8 µm-band (using telecom diode lasers). In this paper an example of an important industrial application for a NO measurement and a solution using a quantum cascade laser (QCL) in a TDLAS gas monitor will be presented.
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