Electronically tunable fiber laser for optical pumping of [sup 3]He and [sup 4]He

Stephens, E.F.; Patrick, H.; Gilbert, S.L.
March 1996
Review of Scientific Instruments;Mar96, Vol. 67 Issue 3, p843
Academic Journal
Proposes an electronically tunable fiber laser for optical pumping of [sup 3]He and [sub 4]He metastable states. Spectral width; Laser polarization of the metastable states of [sup 4]He; Plot of the fiber laser output power versus diode laser; Tuning of the fiber laser; Collimation of the output from the fiber laser.


Related Articles

  • An iodine stabilized laser source at two wavelengths for accurate dimensional measurements. Jaatinen, Esa // Review of Scientific Instruments;Mar2003, Vol. 74 Issue 3, p1359 

    A tunable laser system is described that provides wavelength references at both 633 and 640 nm by locking to hyperfine components of molecular iodine using a simple external cell technique. The frequency uncertainty at each wavelength is less than 1 MHz and no calibration of the frequencies is...

  • CW Broadly Tunable Ti:Sapphire Laser.  // Physics Today;Aug89, Vol. 42 Issue 8, p75 

    Reviews the Model 3900 from Spectra-Physics, a tunable Ti:sapphire laser.

  • Tunable diode laser infrared spectroscopy of the metal/liquid interface. Wragg, J. L.; White, H. W.; Sutcu, L. F. // Review of Scientific Instruments;Jan1988, Vol. 59 Issue 1, p89 

    A tunable diode laser infrared spectrometer has been constructed which can measure in situ vibrational spectra of liquids interacting with metal surfaces. The spectrometer uses a zinc selenide photoelastic modulator and commercially available diode lasers to make single-beam, single-pass...

  • Laser spectroscopy for measuring the parameters of a plasma containing helium and argon. Shcheglov, D.; Vetrov, S.; Moskalenko, I.; Skovoroda, A.; Shuvaev, D. // Plasma Physics Reports;Feb2006, Vol. 32 Issue 2, p119 

    Laser spectroscopy diagnostics used in experiments on the PNX-U facility are described. The working gas was argon with an additive of helium. The 23 P → 33 D transition was excited by means of optical pumping, and helium fluorescence at wavelengths of 388 and 706.5 nm was observed. The...

  • Z-shaped wire profile and position monitor for collimated synchrotron radiation using a single linear motion. Kanazawa, K. // Review of Scientific Instruments;Nov86, Vol. 57 Issue 11, p2891 

    A simple position and profile monitor for collimated synchrotron radiation (SR) using only one linear motion feedthrough was constructed and successfully employed to align the SR beam line of the TRISTAN accumulation ring.

  • Characterization and stabilization of fiber-coupled laser diode arrays. Phillips, D. F.; Phillips, D.F.; Wong,, G. P.; Wong, G.P.; Bear, D.; Stoner, R. E.; Stoner, R.E.; Walsworth, R. L.; Walsworth, R.L. // Review of Scientific Instruments;Jul99, Vol. 70 Issue 7, p2905 

    Characterizes the spectra and performance of an ensemble of 11 fiber-coupled laser diode arrays (LDA) manufactured by Opto Power Inc. LDA wavelength; Maximum power output; LDA spectral structure; Spin-exchange optical pumping of noble gases; Determination of LDA linewidth.

  • Ion source for production of metastable He+(2S1/2) ions. Dunford, R. W.; Dewey, M. S. // Review of Scientific Instruments;Mar88, Vol. 59 Issue 3, p443 

    The construction and performance of an electron bombardment ion source designed to produce a beam of low-energy (100–400 eV) singly ionized helium (He+) with a significant fraction of ions in the metastable 2S1/2 state is described. The source operates in the fringe field of a magnet and...

  • Helium-filled proportional counter for low-temperature operation (4.2–300 K) and its application to cryogenic resonance-electron Mössbauer spectroscopy. Isozumi, Yasuhito; Kishimoto, Shunji; Katano, Rintaro; Takekoshi, Hidekuni // Review of Scientific Instruments;Feb1987, Vol. 58 Issue 2, p293 

    The operation of a proportional counter filled with helium gas has been investigated at low temperatures down to 5 K. It has been found for the first time that a helium-filled counter cooled at temperatures below 30 K works well in the proportional region, but with low gas gains (≤100)....

  • The effects on ion beam optics of a spherical aberration at the plasma boundary. Surrey, E.; Holmes, A. J. T. // Review of Scientific Instruments;Aug1990, Vol. 61 Issue 8, p2171 

    Experimental data show that the minimum divergence of a positive helium ion beam does not occur at the beam perveance predicted by linear ion optics. A model is presented that introduces a third-order term into the ion optics equations, in the manner of a spherical aberration to the plasma...


Read the Article


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

Try another library?
Sign out of this library

Other Topics