1975
DOI: 10.1070/qe1975v005n04abeh011111
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High-efficiency conversion of infrared into visible radiation in an LiNbO3crystal

Abstract: We study perturbative amplitudes in a large class of theories obtained by marginal deformations of the N = 4 supersymmetric Yang-Mills. We find that planar amplitudes in the deformed theories are closely related to planar amplitudes in the original N = 4 SYM. For some classes of deformations the amplitudes essentially coincide with the N = 4 amplitudes to all orders in planar perturbation theory. For more general classes of marginal deformations, the equivalence holds at up to four loops, and at five loops it … Show more

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Cited by 5 publications
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“…The second proposed method was described in paper [4] where an investigation was made of the conversion of infrared into visible radiation in an LiNbO3 crystal. This was done by mixing infrared radiation with that produced by a pulse ruby laser.…”
Section: B Second Possible Methodsmentioning
confidence: 99%
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“…The second proposed method was described in paper [4] where an investigation was made of the conversion of infrared into visible radiation in an LiNbO3 crystal. This was done by mixing infrared radiation with that produced by a pulse ruby laser.…”
Section: B Second Possible Methodsmentioning
confidence: 99%
“…The Figure 8 gives the calculated dependence of the wavelength of the infrared radiation being converted (λi) on the phase-matching angle at room temperature in the case of the ooe interaction reported in ref. [4]. Here [4] they investigated the conversion of infrared radiation in an LiNbO3 crystal in the wavelength range 1.6-3 µ and the quantum efficiency of the conversion process was close to unity.…”
Section: B Second Possible Methodsmentioning
confidence: 99%
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