Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Dominique Jacques Souilhac"'
Publikováno v:
Applied optics. 28(18)
We report the determination of the magnitude and sign of the unknown photoelastic coefficients of tellurium, p(65), p(56),and p(44), as well as all of the unknown signs of the previously determined photoelastic coefficients.
Publikováno v:
Applied optics. 20(18)
Publikováno v:
SPIE Proceedings.
An improved TeO2 and Te infrared acoustooptic tuneable spectrometer has been analysed, using infrared fibres, a high speed frequency synthesiser and optimised algorithms. A comparison is made with the next best AOTF infrared materials, Tl3AsSe3, HgCl
Publikováno v:
SPIE Proceedings.
Two kinds of practical efficient acoustooptically phase-matched noncollinear second harmonic generation (SHG) interactions are predicted in Tellurium for the incident optical wave at 10.6µm .They are produced by two anisotropic acoustooptic. (AO)int
Publikováno v:
SPIE Proceedings.
This paper compares and discusses the attempts to overcome the "seeing" resolution limit imposed by spherical aberration for the Hubble Space Telescope and by Atmospheric turbulences f the case of ground -based telescopes - From recently reposed expe
Publikováno v:
SPIE Proceedings.
In this paper an infrared single element two-dimensional acoustooptic processor using a crystal of tellurium will be described, that can process to return echos of each pulse to form the image of the terrain illuminated by the SAR in real-time. This
Publikováno v:
SPIE Proceedings.
Mode concentration and propagation constants in Te thin film structures are readily obtained from a transverse resonant method without explicit knowledge of the dispersion relationship from Maxwell's equations. Losses involved, best method of couplin
Publikováno v:
CO2 Lasers and Applications II.
The results of a theoretical and simulated study of an infrared two dimensional time integrating spectrum analyser using a crystal of tellurium with infrared photorecievers time integration are presented. Spectrum analysis of the modulated input infr
Publikováno v:
SPIE Proceedings.
Two kinds of efficient acousto-optically phase-matched non collinear optical SHG are predicted in Te for the incident optical wave at lO,6p in. The first one is calculated with the shear acoustic wave propagating along the X localized by the three Eu
Publikováno v:
SPIE Proceedings.
We present here a comparison between the calculated propagation parameters, the power threshold, the root mean square (RMS) output pulse width and pulse shape for 10.6 itm laser propagation through hollow circular metallic waveguides and infrared (JR