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Elliptical polarization

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66: 25: 128: 1965: 821: 629: 2006:
A. Fresnel, "MĂ©moire sur la double rĂ©fraction que les rayons lumineux Ă©prouvent en traversant les aiguilles de cristal de roche suivant les directions parallèles Ă  l'axe", read 9 December 1822; printed in H. de Senarmont, E. Verdet, and L. Fresnel (eds.),
428: 1079: 967: 512: 264: 816:{\displaystyle |\psi \rangle \ {\stackrel {\mathrm {def} }{=}}\ {\begin{pmatrix}\psi _{x}\\\psi _{y}\end{pmatrix}}={\begin{pmatrix}\cos \theta \exp \left(i\alpha _{x}\right)\\\sin \theta \exp \left(i\alpha _{y}\right)\end{pmatrix}}} 1476:
increases from zero, i.e., assumes positive values, the line evolves into an ellipse that is being traced out in the counterclockwise direction (looking in the direction of the propagating wave); this then corresponds to
1879: 1969: 1259: 305: 1659: 1129: 2011:, vol. 1 (1866), pp. 731–51; translated as "Memoir on the double refraction that light rays undergo in traversing the needles of quartz in the directions parallel to the axis", 1950: 1454: 1413: 234:, with their polarization planes at right angles to each other. Since the electric field can rotate clockwise or counterclockwise as it propagates, elliptically polarized waves exhibit 1899: 1346: 1831: 1569: 1505: 1750:
Any fixed polarization can be described in terms of the shape and orientation of the polarization ellipse, which is defined by two parameters: axial ratio AR and tilt angle
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depends on the handedness of the polarization. Positive indicates left hand polarization, while negative indicates right hand polarization, as defined by IEEE.
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traces out an ellipse in the x-y plane. The semi-major and semi-minor axes of the ellipse have lengths A and B, respectively, that are given by
830:. This is the most complete representation of polarized electromagnetic radiation and corresponds in general to elliptical polarization. 1770:. The axial ratio is the ratio of the lengths of the major and minor axes of the ellipse, and is always greater than or equal to one. 1527:
becomes negative from zero, the line evolves into an ellipse that is being traced out in the clockwise direction; this corresponds to
38: 1974: 1840: 263: 1211: 423:{\displaystyle \mathbf {E} (\mathbf {r} ,t)=\left|\mathbf {E} \right|\mathrm {Re} \left\{|\psi \rangle \exp \left\right\}} 1374:. This is the case of superposition of two simple harmonic motions (in phase), one in the x direction with an amplitude 182: 164: 109: 87: 52: 1608: 1088: 80: 1980: 1418: 1377: 2128: 1884: 284: 1745: 1298: 44: 1774: 1810: 1537: 1484: 1074:{\displaystyle B=|\mathbf {E} |{\sqrt {\frac {1-{\sqrt {1-\sin ^{2}(2\theta )\sin ^{2}\beta }}}{2}}}} 962:{\displaystyle A=|\mathbf {E} |{\sqrt {\frac {1+{\sqrt {1-\sin ^{2}(2\theta )\sin ^{2}\beta }}}{2}}}} 507:{\displaystyle \mathbf {B} (\mathbf {r} ,t)={\hat {\mathbf {z} }}\times \mathbf {E} (\mathbf {r} ,t)} 208: 2033:"Chirality-induced polarization effects in the cuticle of scarab beetles: 100 years after Michelson" 1702: 1574: 590: 1780: 1668: 1351: 74: 841: 2095: 1161: 1134: 142: 2114:
Comparison of Elliptical Polarization with Linear and Circular Polarizations (YouTube Animation)
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to, the direction of propagation. An elliptically polarized wave may be resolved into two
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Arwin, Hans; Magnusson, Roger; Landin, Jan; Järrendahl, Kenneth (April 21, 2012).
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Alternatively, polarization can be represented as a point on the surface of the
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the semi-major axis makes with the x-axis. This angle can be calculated from
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in 1822, before the electromagnetic nature of light waves was known.
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Sinusoidal plane-wave solutions of the electromagnetic wave equation
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At a fixed point in space (or for fixed z), the electric vector
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may be too technical for most readers to understand
2109:Animation of Elliptical Polarization (on YouTube) 1893: 1873: 1825: 1795: 1762: 1728: 1699:, the wave is left-circularly polarized, and when 1691: 1653: 1597: 1563: 1519: 1499: 1481:; the semi-major axis is now oriented at an angle 1468: 1448: 1407: 1366: 1340: 1283: 1253: 1197: 1177: 1150: 1123: 1073: 961: 852: 815: 611: 572: 545: 506: 422: 560:of the wave propagating in the +z direction, and 2120: 1654:{\displaystyle A=B=|\mathbf {E} |/{\sqrt {2}}} 1124:{\displaystyle \beta =\alpha _{y}-\alpha _{x}} 2081:ThĂ©orie MathĂ©matique de la Lumière, volume 1 2000: 1920:The reflected light from some beetles (e.g. 1746:Polarization (waves) § Parameterization 641: 368: 1295:. The ellipse collapses to a straight line 271: 53:Learn how and when to remove these messages 1736:, the wave is right-circularly polarized. 1449:{\displaystyle |\mathbf {E} |\sin \theta } 1408:{\displaystyle |\mathbf {E} |\cos \theta } 2016: 252:can be considered to be special cases of 183:Learn how and when to remove this message 165:Learn how and when to remove this message 149:, without removing the technical details. 110:Learn how and when to remove this message 16:Polarization of electromagnetic radiation 73:This article includes a list of general 1894:{\displaystyle \operatorname {arccot} } 1881:. The sign used in the argument of the 833: 517:for the magnetic field, where k is the 2121: 1341:{\displaystyle (A=|\mathbf {E} |,B=0} 256:. This terminology was introduced by 222:in any fixed plane intersecting, and 147:make it understandable to non-experts 2009:Oeuvres complètes d'Augustin Fresnel 1529:right-handed elliptical polarization 121: 59: 18: 1739: 1479:left-handed elliptical polarization 13: 663: 660: 657: 351: 348: 262: 79:it lacks sufficient corresponding 14: 2140: 2102: 1826:{\displaystyle 2\times \epsilon } 1564:{\displaystyle \beta =\pm \pi /2} 1500:{\displaystyle \phi \neq \theta } 34:This article has multiple issues. 1968: This article incorporates 1963: 1630: 1428: 1387: 1317: 994: 882: 846: 600: 491: 483: 469: 449: 441: 339: 318: 310: 126: 64: 23: 1981:General Services Administration 1912:, the axial ratio is infinite. 267:Elliptical polarization diagram 42:or discuss these issues on the 2024: 1868: 1856: 1729:{\displaystyle \beta =-\pi /2} 1635: 1625: 1598:{\displaystyle \theta =\pi /4} 1433: 1423: 1392: 1382: 1322: 1312: 1302: 1043: 1034: 999: 989: 931: 922: 887: 877: 634: 612:{\displaystyle |\mathbf {E} |} 605: 595: 501: 487: 473: 459: 445: 361: 328: 314: 1: 2021:, 2021 (open access); §§9–10. 1956: 1796:{\displaystyle 2\times \tau } 1692:{\displaystyle \beta =\pi /2} 1367:{\displaystyle \phi =\theta } 285:electromagnetic wave equation 2057:10.1080/14786435.2011.648228 1915: 853:{\displaystyle \mathbf {E} } 7: 1929: 1926:) is elliptical polarized. 1178:{\displaystyle \alpha _{y}} 1151:{\displaystyle \alpha _{x}} 283:plane wave solution of the 10: 2145: 1743: 546:{\displaystyle \omega =ck} 211:such that the tip of the 209:electromagnetic radiation 1904:For the special case of 1284:{\displaystyle \beta =0} 272:Mathematical description 228:linearly polarized waves 1348:) oriented at an angle 254:elliptical polarization 201:elliptical polarization 94:more precise citations. 2098:, via Internet Archive 2037:Philosophical Magazine 1976:Federal Standard 1037C 1970:public domain material 1895: 1875: 1827: 1797: 1764: 1730: 1693: 1655: 1599: 1565: 1521: 1520:{\displaystyle \beta } 1501: 1470: 1469:{\displaystyle \beta } 1450: 1409: 1368: 1342: 1285: 1255: 1199: 1179: 1152: 1125: 1075: 963: 854: 817: 613: 574: 547: 508: 424: 268: 1989: (in support of 1906:circular polarization 1896: 1876: 1828: 1798: 1765: 1763:{\displaystyle \tau } 1731: 1694: 1656: 1600: 1566: 1522: 1502: 1471: 1451: 1410: 1369: 1343: 1286: 1256: 1200: 1198:{\displaystyle \phi } 1180: 1153: 1126: 1076: 964: 855: 818: 614: 575: 548: 509: 425: 266: 258:Augustin-Jean Fresnel 243:Circular polarization 2129:Polarization (waves) 1885: 1841: 1811: 1781: 1754: 1703: 1669: 1663:circularly polarized 1661:, i.e., the wave is 1609: 1575: 1538: 1511: 1485: 1460: 1419: 1378: 1352: 1299: 1269: 1212: 1189: 1162: 1135: 1089: 979: 867: 842: 834:Polarization ellipse 630: 591: 564: 528: 437: 306: 2094:H. PoincarĂ© (1901) 2049:2012PMag...92.1583A 1946:Photon polarization 1910:linear polarization 249:linear polarization 1891: 1871: 1823: 1793: 1760: 1726: 1689: 1651: 1595: 1561: 1517: 1497: 1466: 1446: 1405: 1364: 1338: 1293:linearly polarized 1281: 1251: 1195: 1175: 1148: 1121: 1071: 959: 850: 826:is the normalized 813: 807: 708: 609: 570: 543: 504: 420: 269: 2043:(12): 1583–1599. 1649: 1069: 1068: 1062: 957: 956: 950: 673: 668: 646: 623:of the field and 573:{\displaystyle c} 558:angular frequency 476: 193: 192: 185: 175: 174: 167: 120: 119: 112: 57: 2136: 2089:Internet Archive 2069: 2068: 2028: 2022: 2020: 2004: 1994: 1988: 1983:. Archived from 1967: 1966: 1900: 1898: 1897: 1892: 1880: 1878: 1877: 1872: 1832: 1830: 1829: 1824: 1802: 1800: 1799: 1794: 1769: 1767: 1766: 1761: 1740:Parameterization 1735: 1733: 1732: 1727: 1722: 1698: 1696: 1695: 1690: 1685: 1660: 1658: 1657: 1652: 1650: 1645: 1643: 1638: 1633: 1628: 1604: 1602: 1601: 1596: 1591: 1570: 1568: 1567: 1562: 1557: 1526: 1524: 1523: 1518: 1507:. Similarly, if 1506: 1504: 1503: 1498: 1475: 1473: 1472: 1467: 1455: 1453: 1452: 1447: 1436: 1431: 1426: 1414: 1412: 1411: 1406: 1395: 1390: 1385: 1373: 1371: 1370: 1365: 1347: 1345: 1344: 1339: 1325: 1320: 1315: 1290: 1288: 1287: 1282: 1260: 1258: 1257: 1252: 1204: 1202: 1201: 1196: 1184: 1182: 1181: 1176: 1174: 1173: 1157: 1155: 1154: 1149: 1147: 1146: 1131:with the phases 1130: 1128: 1127: 1122: 1120: 1119: 1107: 1106: 1080: 1078: 1077: 1072: 1070: 1064: 1063: 1055: 1054: 1030: 1029: 1014: 1005: 1004: 1002: 997: 992: 968: 966: 965: 960: 958: 952: 951: 943: 942: 918: 917: 902: 893: 892: 890: 885: 880: 859: 857: 856: 851: 849: 822: 820: 819: 814: 812: 811: 804: 800: 799: 798: 762: 758: 757: 756: 713: 712: 705: 704: 691: 690: 671: 670: 669: 667: 666: 654: 649: 644: 637: 618: 616: 615: 610: 608: 603: 598: 579: 577: 576: 571: 552: 550: 549: 544: 513: 511: 510: 505: 494: 486: 478: 477: 472: 467: 452: 444: 429: 427: 426: 421: 419: 415: 414: 410: 409: 405: 364: 354: 346: 342: 321: 313: 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662: 659: 653: 643: 640: 636: 607: 602: 597: 582:speed of light 569: 554: 553: 542: 539: 536: 533: 515: 514: 503: 500: 497: 493: 489: 485: 481: 475: 471: 464: 461: 458: 455: 451: 447: 443: 431: 430: 418: 413: 408: 404: 401: 398: 395: 392: 388: 384: 380: 376: 373: 370: 367: 363: 358: 353: 350: 345: 341: 337: 333: 330: 327: 324: 320: 316: 312: 297:Gaussian units 273: 270: 213:electric field 191: 190: 173: 172: 134: 132: 125: 118: 117: 72: 70: 63: 58: 32: 31: 29: 22: 15: 9: 6: 4: 3: 2: 2141: 2130: 2127: 2126: 2124: 2115: 2112: 2110: 2107: 2106: 2097: 2093: 2090: 2086: 2082: 2078: 2075: 2074: 2066: 2062: 2058: 2054: 2050: 2046: 2042: 2038: 2034: 2027: 2019: 2014: 2010: 2003: 1999: 1992: 1986: 1982: 1978: 1977: 1971: 1961: 1960: 1952: 1949: 1947: 1944: 1942: 1941:Fresnel rhomb 1939: 1937: 1934: 1933: 1927: 1925: 1924: 1913: 1911: 1907: 1902: 1888: 1865: 1862: 1859: 1853: 1850: 1847: 1844: 1836: 1820: 1817: 1814: 1806: 1790: 1787: 1784: 1776: 1771: 1757: 1747: 1737: 1723: 1719: 1715: 1712: 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1548:± 1542:β 1515:β 1495:θ 1492:≠ 1489:ϕ 1464:β 1444:θ 1441:⁡ 1403:θ 1400:⁡ 1362:θ 1356:ϕ 1273:β 1249:β 1246:⁡ 1240:θ 1234:⁡ 1225:ϕ 1219:⁡ 1193:ϕ 1167:α 1140:α 1113:α 1109:− 1100:α 1093:β 1060:β 1057:⁡ 1041:θ 1032:⁡ 1019:− 1011:− 948:β 945:⁡ 929:θ 920:⁡ 907:− 792:α 780:⁡ 774:θ 771:⁡ 750:α 738:⁡ 732:θ 729:⁡ 698:ψ 684:ψ 642:⟩ 639:ψ 621:amplitude 532:ω 480:× 474:^ 400:ω 397:− 375:⁡ 369:⟩ 366:ψ 278:classical 236:chirality 45:talk page 2123:Category 2085:Volume 2 2065:13988658 1930:See also 1837:, where 1835:latitude 293:magnetic 289:electric 287:for the 2079:(1889) 2045:Bibcode 2018:4745976 2015::  1833:as the 1803:as the 1777:, with 1665:. When 1456:. When 619:is the 580:is the 556:is the 220:ellipse 203:is the 141:Please 88:improve 2063:  2013:Zenodo 1889:arccot 1851:arccot 1085:where 672:  645:  224:normal 216:vector 77:, but 2061:S2CID 1972:from 972:and 587:Here 2083:and 1807:and 1571:and 1158:and 291:and 276:The 246:and 2053:doi 1534:If 1438:sin 1397:cos 1265:If 1243:cos 1231:tan 1216:tan 1048:sin 1023:sin 936:sin 911:sin 777:exp 768:sin 735:exp 726:cos 372:exp 230:in 207:of 195:In 145:to 2125:: 2059:. 2051:. 2041:92 2039:. 2035:. 1993:). 1979:. 1605:, 1531:. 584:. 521:, 299:) 238:. 199:, 48:. 2091:. 2067:. 2055:: 2047:: 1869:) 1866:R 1863:A 1857:( 1848:= 1815:2 1785:2 1724:2 1720:/ 1710:= 1687:2 1683:/ 1676:= 1647:2 1641:/ 1636:| 1631:E 1626:| 1622:= 1619:B 1616:= 1613:A 1593:4 1589:/ 1582:= 1559:2 1555:/ 1545:= 1434:| 1429:E 1424:| 1393:| 1388:E 1383:| 1359:= 1336:0 1333:= 1330:B 1327:, 1323:| 1318:E 1313:| 1309:= 1306:A 1303:( 1279:0 1276:= 1261:. 1237:2 1228:= 1222:2 1171:y 1144:x 1117:x 1104:y 1096:= 1081:, 1066:2 1052:2 1044:) 1038:2 1035:( 1027:2 1016:1 1008:1 1000:| 995:E 990:| 986:= 983:B 954:2 940:2 932:) 926:2 923:( 915:2 904:1 899:+ 896:1 888:| 883:E 878:| 874:= 871:A 847:E 809:) 802:) 796:y 788:i 784:( 760:) 754:x 746:i 742:( 720:( 715:= 710:) 702:y 688:x 677:( 664:f 661:e 658:d 652:= 635:| 606:| 601:E 596:| 568:c 541:k 538:c 535:= 502:) 499:t 496:, 492:r 488:( 484:E 470:z 463:= 460:) 457:t 454:, 450:r 446:( 442:B 417:} 412:] 407:) 403:t 394:z 391:k 387:( 383:i 379:[ 362:| 357:{ 352:e 349:R 344:| 340:E 336:| 332:= 329:) 326:t 323:, 319:r 315:( 311:E 186:) 180:( 168:) 162:( 157:) 153:( 139:. 113:) 107:( 102:) 98:( 84:. 55:) 51:(

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electrodynamics
polarization
electromagnetic radiation
electric field
vector
ellipse
normal
linearly polarized waves
phase quadrature
chirality
Circular polarization
linear polarization
Augustin-Jean Fresnel
Elliptical polarization diagram
classical
sinusoidal
electromagnetic wave equation
electric

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