DOE PAGES title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Measurement of ultralow radiation-induced charge densities using picosecond mid-IR laser-induced breakdown

Journal Article · · Optica

We demonstrate that avalanche ionization breakdown of air with picosecond mid-infrared (mid-IR) laser pulses is an exceptionally sensitive and quantitative probe of extremely low concentrations of charged species. By exponentially increasing the electron density in the vicinity of a single seed atom or molecule to detectable levels, mid-IR electron avalanche is an analogue of single photon detection in photomultiplier tubes and can be useful in a range of applications. We apply the technique to meter-scale standoff detection of a radioactive source, sensitive to extremely low concentrations of radiation-induced negative ions down to ~ 10 3 cm - 3 , limited only by background. By imaging the location of spatially isolated avalanche breakdown sites, we directly measure these low densities and benchmark the performance of standoff detection diagnostics. We discuss implementation of this radiation detection scheme at ranges of 10–100 m and adapting the avalanche probe to detection of other low-density plasmas.

Research Organization:
Krell Inst., Ames, IA (United States)
Sponsoring Organization:
Defense Threat Reduction Agency (DTRA); US Air Force Office of Scientific Research (AFOSR); US Department of the Navy, Office of Naval Research (ONR); USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
NA0003864
OSTI ID:
1614431
Journal Information:
Optica, Journal Name: Optica Journal Issue: 6 Vol. 6; ISSN 2334-2536
Publisher:
Optical Society of AmericaCopyright Statement
Country of Publication:
United States
Language:
English

References (36)

Discussion of the formation of major positive and negative ions up to the 50 km level journal January 1971
Remote Detection of Concealed Radioactive Materials by Using Focused Powerful Terahertz Radiation journal February 2016
Evolution times of tropospheric negative ions journal January 1978
Formation of stable positive and negative small ions of tropospheric interest journal January 1982
Radiation surveillance using an unmanned aerial vehicle journal February 2009
Efficiency calibration and minimum detectable activity concentration of a real-time UAV airborne sensor system with two gamma spectrometers journal April 2016
SORIS—A standoff radiation imaging system
  • Zelakiewicz, Scott; Hoctor, Ralph; Ivan, Adrian
  • Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 652, Issue 1 https://doi.org/10.1016/j.nima.2011.02.068
journal October 2011
A GPS-enabled wireless sensor network for monitoring radioactive materials journal October 2009
Atomic and Molecular Electron Affinities:  Photoelectron Experiments and Theoretical Computations journal January 2002
Remote detection of radioactive material using high-power pulsed electromagnetic radiation journal May 2017
Microwave diagnostics of laser-induced avalanche ionization in air journal October 2006
Standoff detection of trace amounts of solids by nonlinear Raman spectroscopy using shaped femtosecond pulses journal April 2008
Experimental measurements of multiphoton enhanced air breakdown by a subthreshold intensity excimer laser journal October 2009
Detecting excess ionizing radiation by electromagnetic breakdown of air journal September 2010
Range, resolution and power of THz systems for remote detection of concealed radioactive materials journal April 2011
Optical breakdown of air triggered by femtosecond laser filaments journal October 2011
Propagation of gamma rays and production of free electrons in air journal October 2012
Breakdown-prone volume in terahertz wave beams journal June 2013
Active remote detection of radioactivity based on electromagnetic signatures journal January 2014
Remote monostatic detection of radioactive material by laser-induced breakdown journal March 2016
Electric-discharge guiding by a continuous spark by focusing CO 2 -laser radiation with a conic mirror journal February 2002
Self-channeling of high-power laser pulses through strong atmospheric turbulence journal July 2017
Direct Measurement of the Electron Density of Extended Femtosecond Laser Pulse-Induced Filaments journal November 2010
Distributed sensor networks for detection of mobile radioactive sources journal August 2004
Large area imaging detector for long-range, passive detection of fissile material journal October 2004
Large area imaging detector for long-range, passive detection of fissile material conference January 2003
Monitoring radioactive contamination by hyperspectral lidar conference May 2015
The Raytheon-SORDS trimodal imager conference May 2009
Active remote detection of radioactivity based on electromagnetic signatures journal October 2013
Remote detection of radioactive material using mid-IR laser–driven electron avalanche journal March 2019
Nonlinear optical properties of carbon-black suspensions (ink) journal January 1992
Measuring easily electron plasma densities in gases produced by ultrashort lasers and filaments journal January 2011
Passive standoff detection of radiological products by Fourier-transform infrared radiometry journal January 2004
90 GW peak power few-cycle mid-infrared pulses from an optical parametric amplifier journal January 2011
Determination of Uranium in Solution Using Laser-Induced Breakdown Spectroscopy journal August 1987
Propagation of gamma rays and production of free electrons in air text January 2012

Cited By (1)

Absolute Measurement of Laser Ionization Yield in Atmospheric Pressure Range Gases over 14 Decades journal January 2020


Similar Records

Search for the Dark Photon and the Dark Higgs Boson at Belle
Journal Article · 2015 · Physical Review Letters · OSTI ID:1594432

Observation of an alternative χc0(2P) candidate in e+e-J/ψDD¯
Journal Article · 2017 · Physical Review D · OSTI ID:1594358

How many e-folds should we expect from high-scale inflation?
Journal Article · 2014 · Physical Review. D, Particles, Fields, Gravitation and Cosmology · OSTI ID:1596472