Method and device for real-time infrared holography

Details Method and device for real-time infrared holography Method and device for real-time infrared holography

G - Physics

03

H

88/0.14, 88/0.18

G03H 1/00 (2006.01) G03H 1/04 (2006.01)

Patent

CA 1131950

ABSTRACT OF THE DISCLOSURE A hologram is recorded at a wavelength of approximately 10.6 µm by dividing a CO2 laser beam having the desired wave- length, and causing the resulting two beams to interfere on an oil film on a glass plate, the flim having a thickness of 0.1 to 1.2 µm. The hologram is reconstructed in the visible spectrum using a He-Ne Laser, thus allowing Real-time holographic inspection in the infrared region.

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