FINAL REPORT ON RESEARCH ON THE ADAPTABILITY OF LASERS TO SCHLIEREN SYSTEMS

摘要

The purpose of the present contract was to develop and produce a laser source for the 10 inch schlieren system presently in use at the Fluid Dynamics Facilities Laboratory of ARL. The source, which uses a He-Ne Gas Laser for continuous viewing in conjunction with a Q-switched ruby source for taking very short exposure time photographs, has been developed and incorporated into the existing system. Certain problems still exist which greatly limit the overall system performance, but these are due to factors such as vibration, temperature fluctuations, and the quality of the existing optical system. Recommendations are made for the development of an overall system which will allow the potential of the laser source to be realized.