Zobrazeno 1 - 10
of 72
pro vyhledávání: '"Frank R. Cruickshank"'
Publikováno v:
Journal of Molecular Structure. 1048:152-156
Polarised infrared reflectance spectra have been obtained for oriented single crystals of the polar organic nonlinear optical material 2-(α-methylbenzylamino)-5-nitropyridine (MBANP). The strong charge transfer electronic absorption was measured in
Autor:
C. Mackenzie, John N. Sherwood, M. C. D’Arrigo, D. Hayward, Frank R. Cruickshank, David Pugh, John D. Wallis
Publikováno v:
Phys. Chem. Chem. Phys.. 8:3761-3766
Hyper-Rayleigh scattering is revealed as a very sensitive monitor of cluster formation in solution, and as a means of studying the mechanism of crystal nucleation in molecular species. Two compounds are selected with particularly high second harmonic
Autor:
Raymond T. Bailey, Alan R. Kennedy, P.J. Langley, S. Lochran, John D. Wallis, Frank R. Cruickshank, David Pugh, Anna Viikki, John N. Sherwood
Publikováno v:
Journal of Materials Chemistry. 11:1047-1056
The effects of a series of small structural changes to (S)-5-nitro-N-(1-phenylethyl)pyridin-2-amine on its solid state non-linear optical properties, including the phenomenon of rotating dielectric axes, have been investigated. Installation of a meth
Autor:
John N. Sherwood, Raymond T. Bailey, P.J. Langley, S. Lochran, G. S. Simpson, David Pugh, John D. Wallis, Frank R. Cruickshank
Publikováno v:
The Journal of Physical Chemistry B. 104:6710-6716
The organic crystal (S)-3-methyl-5-nitro-N-(1 -phenylethyl)-2-pyridinamine has been previously identified by the powder technique as a promising nonlinear optical material. Large single crystals (3 x 3 x 2 cm(3)) of this material have been grown by t
Autor:
P.J. Langley, S. Lochran, John D. Wallis, David Pugh, Frank R. Cruickshank, John N. Sherwood, Raymond T. Bailey
Publikováno v:
Bulletin of Materials Science. 22:421-430
In addition to possessing strong optical nonlinearity, the (−)-2-(α-methylbenzylamino)-5-nitropyridine (MBANP) crystal has been shown to have unusual linear optical properties. Two methyl derivatives of MBANP have now been synthesized and grown as
Publikováno v:
Pure and Applied Optics: Journal of the European Optical Society Part A. 7:L27-L32
The theory necessary for the optimization of second-harmonic (SHG) efficiency in biaxial crystals is developed and applied to the molecular crystal (-)2--(methylbenzylamino)-5-nitropyridine (MBANP). It is shown that, for the range of crystal lengths
Autor:
Raymond T. Bailey, David Pugh, Kbr Varma, M. V. Shankar, Frank R. Cruickshank, John N. Sherwood
Publikováno v:
Journal of Applied Physics. 81:2370-2374
The frequency response of the dielectric constant (er), dielectric loss tangent (tan δ) and impedance (Z) of an organic electro-optic crystal, (−)−2−α- methylbenzylamino-5-nitropyridine (MBA-NP) monitored along the polar axis, is characterize
Autor:
Raymond T. Bailey, John N. Sherwood, Alexander J. Blake, Frank R. Cruickshank, David Pugh, P. Kerkoc, S. Lochran
Publikováno v:
Journal of Applied Physics. 81:624-630
The thermal properties of high-quality nonlinear optical single crystals of 4-nitro- 4′-methylbenzylidene aniline (NMBA) have been measured in various temperature ranges. The specific heat was measured in the range from 273 to 373 K by differential
Autor:
Judith A. K. Howard, S. Lochran, P. Kerkoc, Christian W. Lehmann, John N. Sherwood, Raymond T. Bailey, Andrés E. Goeta, David Pugh, V. Venkataramanan, Frank R. Cruickshank, R. Moseley
Publikováno v:
Journal of Applied Physics. 80:6666-6669
The heat capacity of crystalline zinc tris (thiourea) sulphate, has been measured in the range from 220 to 500 K by differential scanning calorimetry, and was found to obey the relationship Cp(T)=2.76×10−3 T+0.366 J g−1 K−1. Thermal expansion
Publikováno v:
Optics Communications. 132:484-488
Low absorption coefficients for the light polarized along the crystallographic a, b and c ∗ axes and an additional direction bisecting the angle between the a and c ∗ axes of (−)2-α-(methylbenzylamino)-5-nitropyridine (MBANP) single crystals w