ILA DGV/FRS Camera Module

The ILA R&D Camera Module is an optical system which is mainly used for the planer measurement techniques Filtered Rayleigh Scattering (FRS) and Doppler Global Velocimetry (DGV), in other sources referred to as Planaer Doppler Velocinetry (PDV).

In the FRS configuration the system consists of an iodine cell heater located in the camera module, an optical setup and a camera or sensor. The iodine cell heater raises the temperature of an iodine cell to the saturation temperature when the iodine contained in the cell is completely vaporised. The observed light can thus be spectrally filtered by the absorption spectrum of the iodine cell, which is unqiue for each cell. A suitable selection of lenses in front of and behind the cmaera module ensures the correct expansion and collimation of the light and correct imaging on the camera sensor. The camera is mounted on a manual stage, which allows the translatory adjustment of cameras of different sizes to the aperture of the camera module.

In the DGV configuration of the camera module a second camera with manual stage, lens and bellows is added. In additon, an optical beam splitter cube is rotatably mounted in the camera module in front of the iodine cell heater. This means that a selectable amount of the observed light can be deflected and displayed unfiltered by the second camera, eg for normalisation.

For further informtion please contact us or download the datasheet.