On light attenuation in inhomogeneous colour centre layers von Silfsten, P., Ketolainen, P.

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Spectral dependence of holographic grating formation in electrolytically coloured potassium bromide crystals von Riihola, P., Ozols, A., Salminen, O., Ketolainen, P.

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On light-induced spectral shifts of FA bands in mixed alkali halide crystals von Ketolainen, P, Silfsten, P, Raerinne, P

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Thermally activated reorientation of FA(II) centers in RbCl:Li+ crystals von Silfsten, P., Ketolainen, P.

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On F-aggregate centre formation in KCl crystals containing O 2− -vacancy complexes von Raerinne, P., Ketolainen, P.

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On Mollwo-Ivey relations of mixed alkali halides von Ketolainen, P.

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Holographic Recording in Electrolytically Coloured KBr Crystals at the Wavelength of 514·5 nm von Ozols, A., Salminen, O., Raerinne, P., Ketolainen, P.

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Spectroscopic properties of (F2+)H centres in oxygen-, sulphur- and selenium-doped alkali halides von Akrmi, A El, Ketolainen, P, Doualan, J L, Kawa, E, Margerie, J, Rocher, B

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Spectroscopic properties of (F2+)AH centres in oxygen- and sulphur-doped alkali halides von Akrmi, A E, Ketolainen, P, Doualan, J L, Kawa, E, Margerie, J, Rocher, B

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LIGHT-INDUCED TRANSIENT CHANGE OF OPTICAL-CONSTANTS OF KCL-LI FA CENTERS von PEIPONEN, KE, RAERINNE, P, LUOSTARINEN, J, SILFSTEN, P, KETOLAINEN, P

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Holographic evaluation of bending and integrity of pharmaceutical powder beams von Silvennoinen, Raimo, Raatikainen, Pasi, Ketolainen, Jarkko, Ketolainen, Pertti, Paronen, Petteri

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ON THE OFF-CENTER ANGLE AND THE REFRACTIVE-INDEX DIFFERENCE DUE TO THE BIREFRINGENCE OF FA (II) CENTERS IN KCLLI CRYSTALS von SILFSTEN, P, KETOLAINEN, P

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On the Production of Z1 Centres in Irradiated Crystals von Ketolainen, P., Vaittinen, A.

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Evaluation of pharmaceutical beam bending tests using double-exposure holographic interferometry: Compression physics von RAATIKAINEN, P, SILVENNOINEN, R, KETOLAINEN, J, KETOLAINEN, P, PARONEN, P

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Thermally activated reorientation of F A (II) centers in RbCl:Li + crystals von Silfsten, P., Ketolainen, P.

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On light-induced spectral shifts of F A bands in mixed alkali halide crystals von Ketolainen, P, Silfsten, P, Raerinne, P

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Letter Holographic self amplification in amorphous As Se semiconductor films von PASHKEVICH P KETOLAINEN and O SALMI, V

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Refractive index changes due to F → M conversion in KBr single crystals and their applications in holography von Peiponen, K.-E., Ketolainen, P., Vaittinen, A., Riissanen, J.

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Relaxation of elementary holographic gratings in As(2)S(3) films at low diffraction efficiencies von Reinfelde, M, Salminen, O, Ketolainen, P

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On the effect of the thermal prehistory of crystals on the formation of Z1 centres von Vaittinen, A, Ketolainen, P

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