Measurement of angular deviation in ultra-linear mirror actuators for scanning high finesse resonators

Measurement of angular deviation in ultra-linear mirror actuators for scanning high finesse resonators

We describe a new method for measuring angular deviations of linear actuators as small as 0.1 /spl mu/rad//spl mu/m. Two designs of ultra-linear actuators for cavity ring-down spectroscopy are characterized and compared by achievable sensitivity.

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Bibliographische Detailangaben
Hauptverfasser: Fidric, B., Kachanov, A., Tan, S., Crosson, E., Paldus, B.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Absorption
Displacement measurement
Hydraulic actuators
Instruments
Mirrors
Nonlinear optics
Optical design
Optical resonators
Optical sensors
Spectroscopy
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Beschreibung
Zusammenfassung:We describe a new method for measuring angular deviations of linear actuators as small as 0.1 /spl mu/rad//spl mu/m. Two designs of ultra-linear actuators for cavity ring-down spectroscopy are characterized and compared by achievable sensitivity.