Noncollinear second-harmonic generation (SHG) in a crystal was investigated. Using a picosecond Nd:YAG laser as the fundamental light source, we achieved two efficient types of noncritical noncollinear SHG. A total reflection technique was employed to make the experimental setup quite simple. The noncollinear SHG efficiency could be as high as 49.2%.
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In the XOY plane, correspond to in the XOZ plane they correspond to in the YOZ plane they correspond to
Equivalent to directions (111.1°, 68.9°, 90°), (248.9°, 291.1°, 270°), and (291.1°, 248.9°, 270°).
Equivalent to directions (341.7°, 18.3°, 0°), (198.3°, 161.7°, 180°), and (161.7°, 198.3°, 180°).
Equivalent to directions (139.2°, 139.2°, 139.2°), (220.8°, 220.8°, 220.8°), and (319.2°, 319.2°, 319.2°).
Equivalent to directions (106.7°, 73°, 90°), (253°, 286.7°, 270°), and (286.7°, 253°, 270°).
Equivalent to directions (141°, 131°, 136°), (219°, 229°, 224°), and (321°, 311°, 316°).
Equivalent to directions (131°, 141°, 136°), (229°, 219°, 224°), and (311°, 321°, 316°).
Equivalent to direction (191.1°, 191.1°, 191.1°).
Equivalent to direction (348.9°, 348.9°, 348.9°).
Equivalent to directions (110°, 70°, 90°), (250°, 290°, 270°), and (290°, 250°, 270°).
Equivalent to direction (190.4°, 195°, 192.7°).
Equivalent to direction (349.6°, 345°, 347.3°).
Equivalent to direction (195°, 190.4°, 192.7°).
Equivalent to direction (345°, 349.6°, 347.3°).
Equivalent to directions (102.7°, 76°, 90°), (256°, 282.7°, 270°), and (282.7°, 256°, 270°).
Equivalent to directions (350.4°, 11°, 0°), (191°, 170.4°, 180°), and (170.4°, 191°, 180°).
Equivalent to directions (126°, 126°, 126°), (234°, 234°, 234°), and (306°, 306°, 306°).
Equivalent to directions (100°, 80°, 90°), (260°, 280°, 270°), and (280°, 260°, 270°).
Equivalent to directions (131°, 121.6°, 126.2°), (229°, 238.4°, 233.8°), and (311°, 301.6°, 306.2°).
Equivalent to directions (121.6°, 131°, 126.2°), (238.4°, 229°, 233.8°), and (301.6°, 311°, 306.2°).
Equivalent to directions (147.5°, 147.5°, 147.5°), (212.5°, 212.5°, 212.5°), and (327.5°, 327.5°, 327.5°).
Equivalent to directions (102°, 78°, 90°), (258°, 282°, 270°), and (282°, 258°, 270°).
Equivalent to directions (151°, 143°, 147°), (209°, 217°, 213°), and (331°, 323°, 327°).
Equivalent to directions (143°, 151°, 147°), (217°, 209°, 213°), and (323°, 331°, 327°).