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Digitale Medien

UV-holographic gratings in TS-diacetylene single crystals (1983)

Richter, K. H. ; Güttler, W. ; Schwoerer, M.

Springer

Applied physics 32 (1983), S. 1-11

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Details

ISSN: 1432-0630

Schlagwort(e): 42.40 ; 82.50 ; 82.35

Quelle: Springer Online Journal Archives 1860-2000

Thema: Maschinenbau , Physik

Notizen: Abstract Holographic gratings with grating periods between 0.37 μm and 4.4 μm, respectively, were recorded on the surface of TS-diacetylene single crystals by two interfering 257 nm laser beams. Diffraction efficiencies of up to 35 % were obtained for readout with red light of λ = 633 nm. The main modulation mechanism was phase modulation. The spatial resolution was better than 1600 lines/mm. The upper limit of the polymer chain length was 0.6 μm. The holographic sensitivity was 4.5 cm2/J for immediate read-out at 633 nm without processing after exposure. — A weakly exposed latent hologram may be developed simply by gentle annealing the crystal which increases the sensitivity by one order of magnitude.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF00626127

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