Title:
PRODUCTION OF HOLOGRAM WAVE FRONT TRANSDUCERS
Document Type and Number:
Japanese Patent JPS543561
Kind Code:
A
Abstract:
PURPOSE: To achieve the improvement in photocoupling efficiency by using the hologram recorded by supersing the interference fringes by the interference of diffracted coherent divergent light and reference light and the interference frings by the interference of the coherent convergent light inthe same direction as this and reference light on the same recording material.
Inventors:
NISHIDA NOBUO
Application Number:
JP6861477A
Publication Date:
January 11, 1979
Filing Date:
June 09, 1977
Export Citation:
Assignee:
NIPPON ELECTRIC CO
International Classes:
G02B6/42; G02B5/32; G02B27/09; G03H1/04; (IPC1-7): G02B5/32
Next Patent: NEW BENZOXAZOLONE COMPOUND