A portable time of flight system for thermal and cold neutron applications

Benenson, R.E.; Chen-Mayer, H.H.; Sharov, V.
August 1996
Review of Scientific Instruments;Aug1996, Vol. 67 Issue 8, p2770
Academic Journal
Describes the development a very small Fermi-type neutron chopper fashioned by cutting slots in a boron nitride cylinder for use with a source of thermal and cold neutrons. Goal of characterizing spectra emerging from glass capillary fibers of less than a millimeter in diameter; Use of both time-to-amplitude converter and multiscaling time-data storage methods.


Related Articles

  • Preparation of ultrathin free-standing targets for (e,2e) spectroscopy. Fang, Z.; Guo, X.; Utteridge, S.; Canney, S.A.; McCarthy, I.E; Vos, M.; Weigold, E. // Review of Scientific Instruments;Dec1997, Vol. 68 Issue 12, p4396 

    Describes the procedures used for the preparation of ultrathin free-standing membranes for spectroscopy. Importance of the development of radio frequency plasma source; Importance of a conducting sublayer in avoiding charging problem; description of a well prepared target.

  • Absolute spectral sensitivity of linear-photodiode arrays in 7–20 keV energy x-ray range. Dolbnya, I. P.; Kurylo, S. G. // Review of Scientific Instruments;Jan1992, Vol. 63 Issue 1, p677 

    This paper deals with the study of the absolute spectral sensitivity of linear photodiode arrays (of LF1024-25/2 type) as x-ray one-coordinate detectors within the 7-20 keV energy range. The threshold sensitivity of such detectors was estimated in the indicated range. The measurements were made...

  • The parallel cylindrical mirror electron energy analyzer. Read, Frank H. // Review of Scientific Instruments;Mar2002, Vol. 73 Issue 3, p1129 

    An electrostatic energy analyzer is described that allows parallel acquisition of the energy spectrum of charged particles over a wide range of energies and over the complete range of azimuthal directions. The analyzer is similar to the cylindrical mirror analyzer except that a linear potential...

  • A differential-spectrum ion-energy analyzer with electrostatic slanted grids. Sakamoto, Y.; Cho, T.; Hirata, M.; Yoshimura, T.; Makino, K.; Nakashima, Y.; Yatsu, K.; Tamano, T.; Miyoshi, S. // Review of Scientific Instruments;Oct95, Vol. 66 Issue 10, p4928 

    Describes a differential-spectrum ion-energy analyzer with electrostatic slanted grids. Upgrading of a previous slanted grid end-loss analyzer (SELA) to essentially eliminate secondary-electron current; Provision of a differential-spectrum mode of operation; Characterization of SELA using...

  • Multispeckle diffusing-wave spectroscopy: A tool to study slow relaxation and time-dependent dynamics. Viasnoff, Virgile; Lequeux, Franc¸ois; Pine, D. J. // Review of Scientific Instruments;Jun2002, Vol. 73 Issue 6, p2336 

    A multispeckle technique for efficiently measuring correctly ensemble-averaged intensity autocorrelation functions of scattered light from nonergodic and/or nonstationary systems is described. The method employs a charge coupled device (CCD) camera as a multispeckle light detector and a...

  • Precision spectroscopy using the Lamb dip in a pure ion plasma. Barnes, P. N.; Hart, G. W. // Review of Scientific Instruments;Feb1993, Vol. 64 Issue 2, p579 

    The use of the Lamb dip as a technique for precision spectroscopy in a non-neutral plasma is explored through computer modeling. Using singly ionized magnesium as the ion and under typical pure ion plasma conditions, the measurement appears to be feasible. Under the conditions calculated here,...

  • Picosecond transient grating spectroscopy: The nature of the diffracted spectrum. Hogemann, Claudia; Pauchard, Marc; Vauthey, Eric // Review of Scientific Instruments;Oct96, Vol. 67 Issue 10, p3449 

    Reports on findings of a study of the nature of the diffracted spectrum obtained in picosecond transient grating (TG) spectroscopy with white light continuum. Use of the system to measure an aromatic molecule in solution; Analysis of diffracted spectrum using Kogelnik's coupled wave theory;...

  • Collinear laser and slow-ion-beam apparatus for high-precision laser-rf double-resonance spectroscopy. Sen, A.; Goodman, L. S.; Childs, W. J. // Review of Scientific Instruments;Jan1988, Vol. 59 Issue 1, p74 

    A new apparatus has been constructed for high-precision hyperfine structure measurement of atomic ions by laser-radio-frequency double-resonance technique involving a slow ion beam and a laser in collinear geometry. The low ion energy (1–1.5 keV) leads to longer interaction time with the...

  • Market Profile: Surface Analyzers.  // Spectroscopy;Nov2002, Vol. 17 Issue 11, p14 

    Features the surface analyzer, a surface science instrument. Similarities with spectroscopy; Main techniques for surface analysis; Comparison of the techniques for surface analyzers and spectroscopy; Global market for the analyzer.


Read the Article


Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics