Method of forming laser diffraction grating for beam sampling de

Radiation imagery chemistry: process – composition – or product th – Holographic process – composition – or product – Composition or product or process of making the same

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430 1, 430 5, 430321, 430323, 350 369, 350 37, 350 372, 350 373, 35016216, 35016217, 3501622, 35016223, G03H 104, G03H 122, G03H 126

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044408390

ABSTRACT:
A combined holographic grating that samples a high energy laser beam and focuses the sample into a spot is formed by the cross-modulation term of a linear holographic grating and a holographic zone plate.

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Nakajima, J., et al., "Copied Phase Hologram of Photoresit", Fujitsu Sci. Tech. J. C. (Japan), vol. 6, No. 3, 9/70, p. 69-71.
Caulfield, H. J., et al., The Application of Holography, J. Wiley & Sons, 1970, p. 23-25, 86-90, 92, 110-112, & 124-125.
Gladden, J., Review of Photosensitive Materials for Holographic Recordings, ETL-0128, AD-A055013, 4/78, p. 4-6.
Garvey, J. O., et al., "Holographic Grading Study Report", vol. I, Report No. p. 78-1372, Hughes Air Craft, 8/78, p. 116.
Goodman, J. W., Introduction To Fourier Optics, McGraw--Hill, 1968, p. 142-144.

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