Donald W. Goodwin
Abstract
The use of a double pass Fabry-Perot interferometer enables the measurement of dynamic angular displacements of the order of 0·6 picoradians per √Hz to be recorded. Theoretical estimates of the ultimate sensitivity of the device are given.
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The use of a double pass Fabry-Perot interferometer enables the measurement of dynamic angular displacements of the order of 0·6 picoradians per √Hz to be recorded. Theoretical estimates of the ultimate sensitivity of the device are given.
Key concepts: Interferometry, Optics, Fabry–Pérot interferometer, Physics, Sensitivity (control systems), Angular displacement, Angular diameter, Acoustics