scholarly journals Deflection of carbon dioxide laser and helium‐neon laser beams in a long‐pulse relativistic electron beam diode

1991 ◽  
Vol 62 (7) ◽  
pp. 1776-1782 ◽  
Author(s):  
R. A. Bosch ◽  
H. Ching ◽  
R. M. Gilgenbach ◽  
P. L. G. Ventzek ◽  
P. R. Menge ◽  
...  
Keyword(s):  
Carbon Dioxide ◽  
Electron Beam ◽  
Relativistic Electron ◽  
Carbon Dioxide Laser ◽  
Relativistic Electron Beam ◽  
Laser Beams ◽  
Neon Laser ◽  
Helium Neon Laser ◽  
Long Pulse ◽  
Helium Neon

Helium-neon laser for the analysis of carbon dioxide

1979 ◽  
Vol 31 (2) ◽  
pp. 971-975
Author(s):  
V. D. Mironov ◽  
A. I. Popov ◽  
E. D. Protsenko
Keyword(s):  
Carbon Dioxide ◽  
Neon Laser ◽  
Helium Neon Laser ◽  
Helium Neon

Shape and focal properties of the cephalopod ocular lens

1991 ◽  
Vol 69 (10) ◽  
pp. 2501-2506 ◽  
Author(s):  
J. G. Sivak
Keyword(s):  
Pupil Size ◽  
Spherical Aberration ◽  
Focal Length ◽  
Laser Beams ◽  
Axial Diameter ◽  
Loligo Opalescens ◽  
Neon Laser ◽  
Helium Neon Laser ◽  
Lens Diameter ◽  
Helium Neon

The shape and focal properties (spherical aberration) of lenses from the eyes of three cephalopod species, the cuttlefish Rosia pacifica, the squid Loligo opalescens, and the octopus Octopus dofleini, were measured and compared with descriptions of teleost lenses. The method used involved photographing the refractive effect of lenses in solution on an array of fine parallel helium–neon laser beams. Though the cephalopod lenses approach the sphericity characteristic of teleost lenses, the equatorial lens diameter is somewhat greater (2.3–10.5% in Loligo) than the axial diameter. Spherical aberration of the lens is largely neutralized, indicating the existence of a gradient refractive index. However, the lenses show some non-monotonic variation in focal length with distance from the centre of the lens. The ability of the cephalopods to control pupil size may minimize the need to control spherical aberration.

Influence of nonuniformities of a magnetic-mirror field on the space-time characteristics of a long-pulse relativistic electron beam

1997 ◽  
Vol 42 (8) ◽  
pp. 930-934
Author(s):  
L. Yu. Bogdanov ◽  
N. V. Dvoretskaya ◽  
G. G. Sominskii ◽  
A. Ya. Fabirovskii
Keyword(s):  
Electron Beam ◽  
Relativistic Electron ◽  
Relativistic Electron Beam ◽  
Space Time ◽  
Magnetic Mirror ◽  
Long Pulse
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