Virtual Journal of Laser

J. H. Gurian, H. Maeda, and T. F. Gallagher
We have electro-optically sliced the output light of a commercial Coherent Evolution Nd:YLF laser to pump a kilohertz repetition rate nanosecond dye laser system. Simple and highly adjustable, this laser system can easily be used for initial state preparation for ultrafast systems as well as high re ... [Rev. Sci. Instrum. 81, 073111 (2010)] published Wed Jul 28, 2010.

Qi Zhang

(张琦)

, Kun Zhao

(赵昆)

, and Zenghu Chang

(常增虎)

The temporal resolution of a 40 mm diameter chevron microchannel plate (MCP) detector followed by a constant fraction discriminator and a time-to-digital converter was determined by using the third order harmonic of 25 fs Ti:sapphire laser pulses. The resolution was found to deteriorate from 200 to ... [Rev. Sci. Instrum. 81, 073112 (2010)] published Wed Jul 28, 2010.

Chang-Ki Min, David G. Cahill, and Steve Granick
We describe a sensitive method for measuring time-dependent changes in refractive index within ~5 [mu]m of an interface using off-null time-resolved ellipsometry and a dual-cavity femtosecond laser. The sensitivity to changes in refractive index is two orders of magnitude higher than conventional p ... [Rev. Sci. Instrum. 81, 074902 (2010)] published Wed Jul 28, 2010.

Bijendra Singh, V. V. Subramaniam, S. R. Daultabad, and Ashim Chakraborty
We report for the first time the performance of axicon based conical resonators (ABCRs) in a copper vapor laser, with novel results. The unstable conical resonator comprising of conical mirror (reflecting axicon) with axicon angle ~pi/18, cone angle ~160 degrees , and a convex mirror of 60 cm radius ... [Rev. Sci. Instrum. 81, 073110 (2010)] published Tue Jul 27, 2010.

Nicolas Seymour-Smith, Peter Blythe, Matthias Keller, and Wolfgang Lange
We have implemented a compact setup for long-term laser frequency stabilization. Light from a stable reference laser and several slave lasers is coupled into a confocal FabryPerot resonator. By stabilizing the position of the transmission peaks of the slave lasers relative to successive peaks of the ... [Rev. Sci. Instrum. 81, 075109 (2010)] published Mon Jul 26, 2010.

Christopher M. S. Sears, Sofia Benavides Cuevas, Ulrich Schramm, Karl Schmid, Alexander Buck et al.
Laser wakefield experiments present a unique challenge in measuring the resulting electron energy properties due to the large energy range of interest, typically several 100 MeV, and the large electron beam divergence and pointing jitter >1 mrad. In many experiments the energy resolution and accura ... [Rev. Sci. Instrum. 81, 073304 (2010)] published Wed Jul 21, 2010.

G. L. Dakovski, Y. Li, T. Durakiewicz, and G. Rodriguez
We present a laser-based apparatus suitable for visible pump/extreme UV (XUV) probe time-, energy-, and angle-resolved photoemission spectroscopy utilizing high-harmonic generation from a noble gas. Tunability in a wide range of energies (currently 2036 eV) is achieved by using a time-delay compensa ... [Rev. Sci. Instrum. 81, 073108 (2010)] published Tue Jul 20, 2010.

Tatsuki Ueda, Shinsuke Fujioka, Shinya Nozaki, Rumiko Azuma, Yen-Wei Chen et al.
A coded imaging and decoding (image reconstruction) scheme was developed for diagnosing a hot and dense region emitting hard x-rays and neutrons in laser-fusion plasmas. Because the imager was a uniformly redundant array of penumbral aperture (URPA) arranged in an M-matrix, URPA leads to N times (N: ... [Rev. Sci. Instrum. 81, 073505 (2010)] published Mon Jul 19, 2010.

Jonathan M. Ward, Yuqiang Wu

(邬宇强)

, Krimo Khalfi, and Sile Nic Chormaic
We report on the design of an electric tube furnace that can be used for the fabrication of doped glass microsphere lasers. The tube furnace has a short hot zone of length 133 mm and is based on a quartz tube design. Doped laser glass particles, specifically Er:Yb phosphate glass (IOG-2), of ~1 [mu ... [Rev. Sci. Instrum. 81, 073106 (2010)] published Thu Jul 15, 2010.

N. Edwin Widjonarko, John D. Perkins, Jennifer E. Leisch, Philip A. Parilla, Calvin J. Curtis et al.
Laser-induced breakdown spectroscopy (LIBS) is a recently developed locally destructive elemental analysis technique that can be used to analyze solid, liquid, and gaseous samples. In the system explored here, a neodymium-doped yttrium aluminum garnet laser ablates a small amount of the sample and s ... [Rev. Sci. Instrum. 81, 073103 (2010)] published Wed Jul 14, 2010.