700 research outputs found
MONOCULAR NYSTAGMUS
It is pointed out bу Kurz J. 1950 that monocular nystagmus is а rаrе pathologic phenomenon. К. F. Voitovich claims that till 1959 about 100 observations have been reported in the liiterature. We think that we should agree with the viewpoint of this author that monocular nystagmus is а phenomenon which has attracted less attention and is not so rаrе as it seems to bе. Having in mind that this pathologic sign is not only of topical diagnostic importance but, as it is pointed out bу В. Bratanov and G. Nastev (1960), its presence may characterize to а certain degree the morbid process. For that reason more attention should bе directed to monocular nystagmus in everyday clinical practice.Single reports exist in the literature, which only insufficiently discuss the problem. On the basis of foreign and three personal observations we shall attempt to present а more complete discussion of the problem
Broadband second harmonic generation in one-dimensional randomized nonlinear photonic crystal
We study experimentally second harmonic generation in a one-dimensional nonlinear photonic crystal with randomized inverted-domain structure. We show that the randomness enables one to realize an efficient broadband emission of high-quality second harmonic beam.The
authors acknowledge financial support from the Australian
Research Council and Australian Academy of Science
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