Landfill monitoring application of the compact remote sensing system dDIM

Hans Peter Vollmar; K. Bobey; Manfred List

doi:10.1117/12.221024

20 September 1995 Landfill monitoring application of the compact remote sensing system dDIM

Hans Peter Vollmar, K. Bobey, Manfred List

Proceedings Volume 2506, Air Pollution and Visibility Measurements; (1995) https://doi.org/10.1117/12.221024
Event: European Symposium on Optics for Environmental and Public Safety, 1995, Munich, Germany

Abstract

This paper delas with the remote sensing system dDIM, which operates in the pulse mode using tunable diode lasers. The dDIM system enables the simultaneous sensing of two gaseous pollutants through the parallel operation of two diode lasers using the same optical path. The respective laser pulses are offset in time. The special features of this system are its compact size (325mm by 142mm by 375mm) and its stand-alone, mains-independent operation, which permits flexible and mobile use. This paper introduces the initial results of the application of dDIM in measuring methane while monitoring a landfill. The measurements were undertaken in comparison to a conventional measuring device. The influence of band overlapping in measuring methane at atmospheric pressure will be further dealt with using simulations.

Citation Download Citation

Hans Peter Vollmar, K. Bobey, and Manfred List "Landfill monitoring application of the compact remote sensing system dDIM", Proc. SPIE 2506, Air Pollution and Visibility Measurements, (20 September 1995); https://doi.org/10.1117/12.221024

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