Spectroscopic trace analysis based on a tunable UV laser enables a prototype system to analyze motor oil consumption in combustion engines using the SO2 derived from emissions...
Nanosecond optical parametric oscillators (OPOs) are complete systems, with the pump laser, modules for frequency multiplication, and OPO resonator integrated into a compact case...
Researchers at the Environmental Research Station Schneefernerhaus, high in the German Alps, have developed a high-power differential-absorption lidar (DIAL) that can measure ...