Stoves and furnaces – Stoves – Cooking
Patent
1981-10-06
1987-09-08
Arnold, Bruce Y.
Stoves and furnaces
Stoves
Cooking
350 37, 126451, G03H 300
Patent
active
046919945
ABSTRACT:
A method of manufacturing a solar concentrator employing a prism having a radiation input face, a reflection face and at least one radiation output face. The method comprises the steps of providing the prism with its reflection face angularly disposed with respect to the input face. A layer of light-sensitive material is deposited on the input face of the prism. An auxiliary prism and a substance having a refractive index close to that of the light-sensitive material is provided with the substance placed between the light-sensitive material and the auxiliary prism. Next, an interference pattern is recorded in the light-sensitive layer to obtain a three dimensional hologram. This is accomplished by using a reference laser beam and an object laser beam. The reference laser beam is sent to the light-sensitive layer via the auxiliary prism and the substance in the direction of propagation of the incident radiation to be concentrated. The object laser beam is directed via the auxiliary prism at an angle with respect to the light-sensitive layer such that fringe planes are formed in the light-sensitive layer in order to diffract incident radiation at the angle. The auxiliary prism and the substance are removed, and the light-sensitive layer is developed. The angular relationship between the reflection face, the input face and the angle are chosen to preclude the diffraction of a beam which has been reflected from the reflection face.
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Afian Viktor V.
Martirosian Ruben G.
Ryabikov Stanislav V.
Strebkov Dmitry S.
Tveryanovich Eduard V.
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