Figure 1.7.3.4

Boulanger, B.; Zyss, J.

doi:10.1107/97809553602060000634

International
Tables for
Crystallography
Volume D
Physical properties of crystals
Edited by A. Authier

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International Tables for Crystallography (2006). Vol. D. ch. 1.7, p. 189

Figure 1.7.3.4

B. Boulanger^a ^* and J. Zyss^b

^a Laboratoire de Spectrométrie Physique, Université Joseph Fourier, 140 avenue de la Physique, BP 87, 38 402 Saint-Martin-d'Hères, France, and ^bLaboratoire de Photonique Quantique et Moléculaire, Ecole Normale Supérieure de Cachan, 61 Avenue du Président Wilson, 94235 Cachan, France
Correspondence e-mail: benoitb@satie-bourgogne.fr

Figure 1.7.3.4

Index surface sections in a plane containing the optic axis z of a negative uniaxial crystal allowing collinear type-I phase matching for SFG ( $[\omega_3=\omega_1+\omega_2]$ ), $[\gamma = 3]$ , or for SFG ( $[\omega_4=\omega_1+\omega_2+\omega_3]$ ), $[\gamma = 4]$ . $[{\bf u}^{\rm I}_{\rm PM}]$ is the corresponding phase-matching direction.