Transmission Efficiency of Neutron Guide Tube with Alignment Errors

1990 ◽  
Vol 27 (5) ◽  
pp. 406-415 ◽  
Author(s):  
Yuji KAWABATA ◽  
Masatoshi SUZUKI ◽  
Masanobu SAKAMOTO ◽  
Taikan HARAMI ◽  
Hidetake TAKAHASHI ◽  
...  
Keyword(s):  
Transmission Efficiency ◽  
Neutron Guide ◽  
Guide Tube ◽  
Alignment Errors

Neutron guide tube gain for a remote finite source

1982 ◽  
Vol 196 (2-3) ◽  
pp. 341-348 ◽  
Author(s):  
J.M. Carpenter ◽  
D.F.R. Mildner
Keyword(s):  
Neutron Guide ◽  
Guide Tube ◽  
Finite Source

scholarly journals Development of a Supermirror Neutron Guide Tube

1992 ◽  
Vol 29 (10) ◽  
pp. 939-946 ◽  
Author(s):  
Tsunekazu AKIYOSHI ◽  
Tohru EBISAWA ◽  
Takeshi KAWAI ◽  
Fukuo YOSHIDA ◽  
Masayoshi ONO ◽  
...  
Keyword(s):  
Neutron Guide ◽  
Guide Tube

Comparison of Two Coating Material Reflections of Hollow Light Guide Tube

2014 ◽  
Vol 1041 ◽  
pp. 412-415
Author(s):  
Lenka Janečková ◽  
Stanislav Darula ◽  
Daniela Bošová
Keyword(s):  
Light Guide ◽  
Light Transmission ◽  
Transmission Efficiency ◽  
Luminous Flux ◽  
Coating Material ◽  
Guide Tube ◽  
Coating Materials ◽  
Two Samples ◽  
Transmission Measurements ◽  
Light Guides

This paper discusses tube transmission efficiency of two straight hollow light guides. Two samples with diameter of 530 mm and length 1170 mm were investigated under the artificial sky in the laboratory at ICA SAS in Bratislava. The entering luminous flux was calculated from measured illuminance in the point located on the top of light guide. Below the bottom of the light guide was located a set of measuring points on the special construction in the shape of a cross. In these points, one by one, the elementary illuminances were measured and the luminous fluxes leaving the light guide were calculated. Paper presents methodology for laboratory light transmission measurements and discusses effects of two various coating materials on light transmission efficiency of hollow light guides.

An acceptance-diagram description of beams from focusing monochromators

2002 ◽  
Vol 35 (6) ◽  
pp. 702-712 ◽  
Author(s):  
L. D. Cussen
Keyword(s):  
Inelastic Scattering ◽  
Neutron Scattering ◽  
Single Crystal ◽  
Graphical Method ◽  
Neutron Guide ◽  
Guide Tube ◽  
Signal To Noise ◽  
Kinematic Approximation ◽  
Spatial Dimensions

`Acceptance' diagrams are used to describe the beams produced by curved segmented (`focusing') monochromators in the kinematic approximation. This semi-analytic semi-graphical method leads to a complete description which is readily visualized in terms of instrument variables. Focusing both in and perpendicular to the scattering plane is considered. Clear relationships are identified between instrument dimensions and the beam produced. The description is directed towards neutron scattering instruments but the formalism should also apply to photons and electrons. It is demonstrated that a monochromator curved both in and perpendicular to the scattering plane (`double focused') on either a straight or curved neutron guide tube from a reactor source can produce a beam of comparable flux to that achievable at the reactor face. Such a beam has spatial dimensions comparable with modern single-crystal samples for inelastic scattering and could thus provide spectacular signal and, even more interestingly, signal to noise ratios for both elastic and inelastic single-crystal spectrometers.

Supermirror neutron guide tube on Sirius, the high resolution powder diffractometer at KENS

1997 ◽  
Vol 241-243 ◽  
pp. 79-81 ◽  
Author(s):  
S Itoh ◽  
T Kamiyama ◽  
M Furusaka ◽  
S Ikeda
Keyword(s):  
High Resolution ◽  
Neutron Guide ◽  
Guide Tube ◽  
Powder Diffractometer

Developments of a small d-spacing multilayer neutron mirror and the supermirror neutron guide tube at the JRR-3M in JAERI

2002 ◽  
Vol 311 (1-2) ◽  
pp. 130-137 ◽  
Author(s):  
K. Soyama ◽  
M. Suzuki ◽  
T. Hazawa ◽  
A. Moriai ◽  
N. Minakawa ◽  
...  
Keyword(s):  
Neutron Guide ◽  
Guide Tube

Development of a neutron guide tube production technique at KAERI

2006 ◽  
Vol 385-386 ◽  
pp. 1259-1261 ◽  
Author(s):  
Sang-Jin Cho ◽  
Baek-Soek Seung ◽  
Chang-Hee Lee ◽  
Hark-Rho Kim
Keyword(s):  
Neutron Guide ◽  
Guide Tube ◽  
Production Technique ◽  
Tube Production
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