- Contents.- 1. Analysis of Combustion.- Two Dimensional Laser Diagnostics for Technical Combustion.- Development and Test of a Mobile CARS System to Measure Temperature Fluctuations in Large Industrial Combustion Systems.- 2. Air Pollution.- Environmental Analysis of the FT-IR System K300: Examples and Results.- Verfahren zur passiven und aktiven Fernsondierung von Spurengasen auf der Basis der Fourier-Transfor-Infrarot-Spektroskopie.- Single-Longitudinal-Mode (SLM) Generation at Power Diode Lasers by Using a Diffracto-Optical External Cavity.- High-Throughput Narrowband Spectral Filtering System for Raman Lidars.- Ti: Sapphire Based Lidar Systems.- Aerosol Backscatter Measurements Using a Compact CO2 Lidar Sensor.- The Stratosphere Two Years after the Pinatubo Eruption.- Laser Wind Sensing: Wind Measurement by Optical Scintillation Methods.- Line-Tunable Electronic-to-Vibrational Energy Transfer Lasers in the Mid-Infrared.- Intracavity CO-Laser Photoacoustic Trace Detection; CH4 Production by Methanogenic Bacteria.- 3. Vegetation Stress.- Lidar Remote Sensing of Vegetation Status: The Link to Plant Physiology.- Time-resolved Chlorophyll Fluorescence for Monitoring of Forest Decline.- Technical Aspects for an Airborne Vegetation Fluorescence Lidar System.- Picosecond Fluorescence Decay and Backscattering Measurements of Vegetation over Distances.- Laser Induced Chlorophyll Fluorescence Induction Kinetics as a Tool for the Determination Herbicide Action in Algae.- 4. Water Pollution.- Lidar Monitoring of Tyrrhenian and Northern Adriatic Seas.- Investigations on the Photosynthetic Activity of Cyanobacteria of the Baltic Sea Using a Mobile Picosecond-Fluorimeter.- UV Laser Induced Fluorescence to Determine Organic Pollution in Water.- A Fiber Optic LIF-Sensor forMeasuring Temporal and Spatial Distributions of Tracers in the Ground.- Quantitative Analysis of PAH-Molecules by Time-Resolved LIF-Spectroscopy in Water and in the Ground.- 5. DLR Lidar Activities.- Flugzeug-Lidar-Systeme im Einsatz bei der DLR - Eine Übersicht über Methoden und Ergebnisse.- Untersuchung von Wasserdampfverteilungen in der freien Atmosphäre mit einem flugzeuggetragenen Differential-Absorptions-Lidar (DIAL).- Lidar-Sondierung der arktischen Stratosphäre zur Bestimmung von Ozonprofilen und der Verteilung von polar stratosphärischen Wolken.- Multiple Scattering and Depolarization: Classification of Ice and Water Clouds and PSCs.- Doppler Lidar for Atmospheric Remote Sensing and Aircraft Safety Operations.- Proposed Measurements of the Global Wind Field Using Laser Doppler Method.- 6. LIDAR-Visibility Measurements.- Visibility Measurements of Fog on Highways Using a Lidar Method in a Car.- Trial of an Eye-Safe Laser-Radar.- Near-Field Effects in a Monostatic Multiple-Aperture Lidar.- Expertensysteme zur Datenanalyse technischer und ökologischer Multisensorsysteme.- 7. VDI/DIN Working Group.- Standardisierung auf dem Gebiet der optischen Fernmeßverfahren in Deutschland.- Glossary of Terms for Remote Sensing.