Reflective membrane optical scintillator

Details Reflective membrane optical scintillator Reflective membrane optical scintillator

1989-03-30

1990-06-05

Williams, Hezron E.

Measuring and testing

Vibration

Vibrator

738664, G01M 700

Patent

active

049303520

ABSTRACT:
A reflective membrane optical scintillator system for laboratory simulation of atmospheric laser scintillation is described which comprises a substantially rigid frame defining an opening of preselected size and shape, a reflective membrane stretched on the frame within the opening and held to provide a well defined boundary for vibrational excitation of the membrane, a source of light and related optics for directing a collimated light beam onto the membrane, and an acoustic transducer for controllably vibrationally exciting the membrane with a preselected acoustical spectrum for spatially modulating the beam whereby atmospheric turbulence effects are predictably simulated.

REFERENCES:
patent: 4310905 (1982-01-01), Palmer
patent: 4833928 (1989-05-01), Luukkala et al.

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