Optical homodyne phase metrology
Applied Optics, Vol. 28, Issue 5, pp. 1011-1014 (1989)
http://dx.doi.org/10.1364/AO.28.001011
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Abstract
Electronic circuitry that is helpful for measuring optical phase from three-phase input signals is described. Six flash analog-to-digital converters in conjunction with a read-only memory resolve a digital byte (or more) per turn of phase. That digital phase may then be digitally low pass filtered with an adder and multiplier accumulator to expand the dynamic range by counting turns and shrinking the subdivisions.
© 1989 Optical Society of America
Citation
Lawrence Mertz, "Optical homodyne phase metrology," Appl. Opt. 28, 1011-1014 (1989)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-28-5-1011
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