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Title: Dynamic-range studies and improvements for multiplexed photonic Doppler velocimetry

Abstract

This paper presents studies of the dynamic range achievable with multiplexed photonic Doppler velocimetry (MPDV) measurements, and demonstrates techniques to extend the dynamic range. Improved dynamic range for MPDV measurements is needed in order to track the velocity of the free surface behind a cloud of ejecta. Therefore, the authors have undertaken theoretical and experimental studies of factors affecting dynamic range, particularly in cases where the large number of MPDV probe points precludes high illumination power on each channel. To quantify the potential dynamic range of a given MPDV configuration, they introduce a metric called the frequency-domain number of bits, FNOB, which is less stringent than the formally defined equivalent number of bits (ENOB). This new metric is simple to compute in the lab, and it is well suited to conventional PDV analysis, which does not require digitizer phase coherence beyond tens of nanoseconds.

Authors:
 [1];  [2];  [2];  [1]
  1. National Security Technologies, LLC. (NSTec), Mercury, NV (United States)
  2. National Security Technologies, LLC. (NSTec), Mercury, NV (United States); Special Technologies Lab. (STL), Santa Barbara, CA (United States)
Publication Date:
Research Org.:
Nevada Test Site/National Security Technologies, LLC (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA), Office of Defense Nuclear Nonproliferation (NA-20); USDOE National Nuclear Security Administration (NNSA), Office of Defense Nuclear Security (NA-70)
OSTI Identifier:
1329306
Report Number(s):
DOE/NV/25946-2524
DOE Contract Number:  
DE-AC52-06NA25946
Resource Type:
Conference
Journal Name:
Proceedings of the 19th Biennial Conference of the APS Topical Group on Shock Compression of Condensed Matter
Additional Journal Information:
Journal Volume: 60; Journal Issue: 8; Conference: 19th Biennial Conference of the American Physical Society (APS) Topical Group on Shock Compression of Condensed Matter; June 14–19, 2015; Tampa, Florida
Publisher:
AIP Publishing, LLC [American Institute of Physics], Melville, New York
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; 42 ENGINEERING; 46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; 47 OTHER INSTRUMENTATION; multiplexed photonic Doppler velocimetry, MPDV, dynamic range, illumination power, frequency domain number of bits, equivalent number of bits, phase coherence

Citation Formats

Miller, E. Kirk, Lee, Kevin, Larson, Eric, and Daykin, Edward. Dynamic-range studies and improvements for multiplexed photonic Doppler velocimetry. United States: N. p., 2015. Web. doi:10.1063/1.4971745.
Miller, E. Kirk, Lee, Kevin, Larson, Eric, & Daykin, Edward. Dynamic-range studies and improvements for multiplexed photonic Doppler velocimetry. United States. doi:10.1063/1.4971745.
Miller, E. Kirk, Lee, Kevin, Larson, Eric, and Daykin, Edward. Wed . "Dynamic-range studies and improvements for multiplexed photonic Doppler velocimetry". United States. doi:10.1063/1.4971745. https://www.osti.gov/servlets/purl/1329306.
@article{osti_1329306,
title = {Dynamic-range studies and improvements for multiplexed photonic Doppler velocimetry},
author = {Miller, E. Kirk and Lee, Kevin and Larson, Eric and Daykin, Edward},
abstractNote = {This paper presents studies of the dynamic range achievable with multiplexed photonic Doppler velocimetry (MPDV) measurements, and demonstrates techniques to extend the dynamic range. Improved dynamic range for MPDV measurements is needed in order to track the velocity of the free surface behind a cloud of ejecta. Therefore, the authors have undertaken theoretical and experimental studies of factors affecting dynamic range, particularly in cases where the large number of MPDV probe points precludes high illumination power on each channel. To quantify the potential dynamic range of a given MPDV configuration, they introduce a metric called the frequency-domain number of bits, FNOB, which is less stringent than the formally defined equivalent number of bits (ENOB). This new metric is simple to compute in the lab, and it is well suited to conventional PDV analysis, which does not require digitizer phase coherence beyond tens of nanoseconds.},
doi = {10.1063/1.4971745},
journal = {Proceedings of the 19th Biennial Conference of the APS Topical Group on Shock Compression of Condensed Matter},
number = 8,
volume = 60,
place = {United States},
year = {2015},
month = {7}
}

Conference:
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Works referenced in this record:

Sub-Shot-Noise-Limited Optical Heterodyne Detection Using an Amplitude-Squeezed Local Oscillator
journal, June 1999


Compact system for high-speed velocimetry using heterodyne techniques
journal, August 2006

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