Ultra-high-bandwidth polarization interferometry and optimal quadratic phase detection

Weber, Thomas E.; Smith, Roger J.

doi:10.1063/1.5091569

Title: Ultra-high-bandwidth polarization interferometry and optimal quadratic phase detection

Abstract

A novel homodyne interferometer and analysis method are described which use orthogonal polarization components to measure large rapid changes in interferometric phase, in quadrature, in the presence of strong time-dependent attenuation of the scene beam. Here, this approach overcomes the major sources of error associated with homodyne interferometry (sensitivity nulls, ambiguity in the direction of phase change when passing through a sensitivity null, and intolerance to beam power variations) while maintaining its intrinsic simplicity and speed, enabling extremely high-bandwidth, high-dynamic range measurements limited only by available detector technology. Using this technique, electron density in a magnetized plasma shock was measured with unprecedented bandwidth and resolution, revealing short-timescale features not previously observed.

Authors:

^[1];

^[2]

Los Alamos National Lab. (LANL), Los Alamos, NM (United States)
TAE Tecnnologies, Inc., Foothill Ranch, CA (United States)

Publication Date:: Tue Aug 13 00:00:00 EDT 2019

Research Org.:: Los Alamos National Lab. (LANL), Los Alamos, NM (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Fusion Energy Sciences (FES)

OSTI Identifier:: 1570614

Report Number(s):: LA-UR-17-29521
Journal ID: ISSN 0034-6748; TRN: US2100286

Grant/Contract Number:: 89233218CNA000001

Resource Type:: Accepted Manuscript

Journal Name:: Review of Scientific Instruments

Additional Journal Information:: Journal Volume: 90; Journal Issue: 8; Journal ID: ISSN 0034-6748

Publisher:: American Institute of Physics (AIP)

Country of Publication:: United States

Language:: English

Subject:: 47 OTHER INSTRUMENTATION

Citation Formats


                    Weber, Thomas E., and Smith, Roger J. Ultra-high-bandwidth polarization interferometry and optimal quadratic phase detection.  United States: N. p., 2019. 
Web.  doi:10.1063/1.5091569.

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                    Weber, Thomas E., & Smith, Roger J. Ultra-high-bandwidth polarization interferometry and optimal quadratic phase detection.  United States.  https://doi.org/10.1063/1.5091569

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                    Weber, Thomas E., and Smith, Roger J. Tue .  
"Ultra-high-bandwidth polarization interferometry and optimal quadratic phase detection".  United States.  https://doi.org/10.1063/1.5091569.  https://www.osti.gov/servlets/purl/1570614.

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@article{osti_1570614,

  title        = {Ultra-high-bandwidth polarization interferometry and optimal quadratic phase detection},

  author       = {Weber, Thomas E. and Smith, Roger J.},

  abstractNote = {A novel homodyne interferometer and analysis method are described which use orthogonal polarization components to measure large rapid changes in interferometric phase, in quadrature, in the presence of strong time-dependent attenuation of the scene beam. Here, this approach overcomes the major sources of error associated with homodyne interferometry (sensitivity nulls, ambiguity in the direction of phase change when passing through a sensitivity null, and intolerance to beam power variations) while maintaining its intrinsic simplicity and speed, enabling extremely high-bandwidth, high-dynamic range measurements limited only by available detector technology. Using this technique, electron density in a magnetized plasma shock was measured with unprecedented bandwidth and resolution, revealing short-timescale features not previously observed.},

  doi          = {10.1063/1.5091569},

  journal      = {Review of Scientific Instruments},

  number       = 8,

  volume       = 90,

  place        = {United States},

  year         = {Tue Aug 13 00:00:00 EDT 2019},

  month        = {Tue Aug 13 00:00:00 EDT 2019}

}

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Journal Article:

Free Publicly Available Full Text

Accepted Manuscript (DOE)

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https://doi.org/10.1063/1.5091569

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Figures / Tables:

FIG. 1: A simplified schematic of the interferometer and detection scheme, showing the polarization states of the scene, reference, and superposed beams. NPBS denotes a non-polarizing beam splitter, PBS denotes a polarizing beam splitter, M denotes a mirror, P denotes a polarizer, wave plates are denoted by either λ/2 ormore »

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Works referenced in this record:

High sensitivity HCN laser interferometer for plasma electron density measurements
journal, January 1974

Véron, D.
Optics Communications, Vol. 10, Issue 1
DOI: 10.1016/0030-4018(74)90114-x

Recent magneto-inertial fusion experiments on the field reversed configuration heating experiment
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Degnan, J. H.; Amdahl, D. J.; Domonkos, M.
Nuclear Fusion, Vol. 53, Issue 9
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Polarization interferometer for measuring small displacement
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Xinqun Liu, ; Clegg, W.; Jenkins, D. F. L.
IEEE Transactions on Instrumentation and Measurement, Vol. 50, Issue 4
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Quadrature interferometer for plasma density measurements
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Buchenauer, C. J.; Jacobson, A. R.
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Plasma-gun-assisted field-reversed configuration formation in a conical θ-pinch
journal, April 2015

Weber, T. E.; Intrator, T. P.; Smith, R. J.
Physics of Plasmas, Vol. 22, Issue 4
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Polarised interferometric spectrometry for the millimetre and submillimetre spectrum
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Martin, D. H.; Puplett, E.
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Accurate polarization interferometer
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Greco, Vincenzo; Molesini, Giuseppe; Quercioli, Franco
Review of Scientific Instruments, Vol. 66, Issue 7
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An Optical Interferometer Using Polarization Coding to Obtain Quadrature Phase Components
journal, December 1970

Bouricius, G. M. B.; Clifford, S. F.
Review of Scientific Instruments, Vol. 41, Issue 12
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The dynamic compensation of nonlinearity in a homodyne laser interferometer
journal, September 2001

Eom, TaeBong; Kim, JongYun; Jeong, Kyuwon
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A streak camera based fiber optic pulsed polarimetry technique for magnetic sensing to sub-mm resolution
journal, September 2016

Smith, R. J.; Weber, T. E.
Review of Scientific Instruments, Vol. 87, Issue 11
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FRC lifetime studies for the Field Reversed Configuration Heating Experiment (FRCHX)
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Grabowski, C.; Degnan, J. H.; Amdahl, D. J.
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Modulated submillimeter laser interferometer system for plasma density measurements
journal, January 1976

Wolfe, S. M.; Button, K. J.; Waldman, J.
Applied Optics, Vol. 15, Issue 11
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Figures / Tables found in this record:

FIG. 1 (p. 4)

FIG. 2 (p. 6)

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Similar Records

Title: Ultra-high-bandwidth polarization interferometry and optimal quadratic phase detection

Abstract

Citation Formats

Figures / Tables:

High sensitivity HCN laser interferometer for plasma electron density measurements journal, January 1974

Recent magneto-inertial fusion experiments on the field reversed configuration heating experiment journal, August 2013

Polarization interferometer for measuring small displacement journal, January 2001

Quadrature interferometer for plasma density measurements journal, July 1977

Plasma-gun-assisted field-reversed configuration formation in a conical θ-pinch journal, April 2015

Polarised interferometric spectrometry for the millimetre and submillimetre spectrum journal, June 1970

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An Optical Interferometer Using Polarization Coding to Obtain Quadrature Phase Components journal, December 1970

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High sensitivity HCN laser interferometer for plasma electron density measurements
journal, January 1974

Recent magneto-inertial fusion experiments on the field reversed configuration heating experiment
journal, August 2013

Polarization interferometer for measuring small displacement
journal, January 2001

Quadrature interferometer for plasma density measurements
journal, July 1977

Plasma-gun-assisted field-reversed configuration formation in a conical θ-pinch
journal, April 2015

Polarised interferometric spectrometry for the millimetre and submillimetre spectrum
journal, June 1970

Accurate polarization interferometer
journal, July 1995

An Optical Interferometer Using Polarization Coding to Obtain Quadrature Phase Components
journal, December 1970

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journal, September 2001

A streak camera based fiber optic pulsed polarimetry technique for magnetic sensing to sub-mm resolution
journal, September 2016

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conference, June 2011

Modulated submillimeter laser interferometer system for plasma density measurements
journal, January 1976