TDLS: Tunable Diode Laser Spectroscopy

Lock-In-Verstärker

U out U ab2 cos

Lock-In-Verstärker

TDLS: Tunable Diode Laser Spectroscopy

TDLS: Tunable Diode Laser Spectroscopy

TDLS: Tunable Diode Laser Spectroscopy

DOAS: Differential Optical Absorption Spectroscopy

DOAS: Differential Optical Absorption Spectroscopy

DOAS: Differential Optical Absorption Spectroscopy

DOAS: Differential Optical Absorption Spectroscopy Lichtverluste

DOAS: Differential Optical Absorption Spectroscopy

DOAS: Differential Optical Absorption Spectroscopy

DOAS Tomographie

DOAS: Neumayer Station Antarktis

On the right side, the "eye" of the DOASis shown. With this telescope,  straylight from the sky is guided by an opticalfiber into the spectrometer inside the observatory.

PAS: Photoacoustic Spectroscopy

PAS: Photoacoustic Spectroscopy

P.L. Meyer and M.W. Sigrist, Rev. Sci. Instrum. 61, 1779 (1990)

PAS: Photoacoustic Spectroscopy