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Precision length measurement using an all-digital phasemeter for heterodyne laser interferometry

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Date

2011

Authors

Gray, Malcolm B
Hsu, Magnus
Littler, Ian C M
Warrington, Richard B
Herrmann, Jan
Shaddock, Daniel

Journal Title

Journal ISSN

Volume Title

Publisher

IEEE

Abstract

We report on an all-digital radio-frequency phasemeter for application in precision length measurements using heterodyne laser interferometry [1]. Our phasemeter has a phase sensitivity of 200 nrad/√Hz at signal frequencies of 0.2 Hz and above. We demon

Description

Keywords

Keywords: Cycle slipping; Cyclic errors; Fringe signals; Heterodyne laser interferometry; Interferometric configuration; Large-signals; Laser frequency; Length measurement; Low noise; Optical heterodyne; Optical phase; Phase sensitivity; Radio frequencies; Sagnac i

Citation

URI

http://hdl.handle.net/1885/83349

Collections

ANU Research Publications

Source

2011 Int. Quantum Electron. Conf., IQEC 2011 and Conf. Lasers and Electro-Optics, CLEO Pacific Rim 2011 Incorporating the Australasian Conf. Optics, Lasers and Spectroscopy and the Australian Conf.

Type

Conference paper

Book Title

Entity type

Access Statement

License Rights

DOI

10.1109/IQEC-CLEO.2011.6193936

Restricted until

2037-12-31

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Description
01_Gray_Precision_length_measurement_2011.pdf (651.23 KB)

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