Pockelsn.

Brit.

/ˈpɒklz/, U.S.

/ˈpɑk(ə)lz/

Forms: 1900s– Pockels, 1900s– Pockel (rare).

Origin: From a proper name. Etymon: proper name Pockels.

Etymology: < the name of Friedrich Carl Alwin Pockels (1865–1913), German physicist, who described the effect in 1894 ( Abhandl. der Königl. Ges. der Wissensch. zu Göttingen: Math.-Physikalische Klasse 31 204).

Physics.

attributive and in the genitive. Used with reference to an electro-optical effect in certain crystals similar to the Kerr effect (Kerr effect n. (b) at Kerr n.) in liquids; esp. in Pockels cell, Pockels constant, Pockels effect.

ΚΠ

1938 Proc. Royal Soc. A. 166 428 I is the intensity of the light scattered by 1 cm.³..and p_ik are Pockel's elasto-optical constants.

1949 Jrnl. Optical Soc. Amer. 39 798/2 The constants t_ij are..related to Pockels' constants e_ij.

1957 D. E. Gray Amer. Inst. Physics Handbk. vi. 96 Twenty-one of the 32 crystal symmetry classes do not contain centers of symmetry, and of these, 20 may exhibit the linear Pockels effect.

1976 Nature 22 Apr. 677/1 The emission intensities of the components parallel and perpendicular to the incident laser polarisation were determined using a Pockels cell to rotate the laser polarisation with respect to a fixed analyser.

1994 New Scientist 19 Mar. 21/1 The plastics contain brightly coloured organic molecules known as chromophores that exhibit the ‘Pockels effect’: applying an electric field across a Pockels material changes its refractive index and alters the polarisation of light passing through it.

This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022).

单词	pockels
释义	Pockelsn. Brit. /ˈpɒklz/, U.S. /ˈpɑk(ə)lz/ Forms: 1900s– Pockels, 1900s– Pockel (rare). Origin: From a proper name. Etymon: proper name Pockels. Etymology: < the name of Friedrich Carl Alwin Pockels (1865–1913), German physicist, who described the effect in 1894 ( Abhandl. der Königl. Ges. der Wissensch. zu Göttingen: Math.-Physikalische Klasse 31 204). Physics. attributive and in the genitive. Used with reference to an electro-optical effect in certain crystals similar to the Kerr effect (Kerr effect n. (b) at Kerr n.) in liquids; esp. in Pockels cell, Pockels constant, Pockels effect. ΚΠ 1938 Proc. Royal Soc. A. 166 428 I is the intensity of the light scattered by 1 cm.³..and p_ik are Pockel's elasto-optical constants. 1949 Jrnl. Optical Soc. Amer. 39 798/2 The constants t_ij are..related to Pockels' constants e_ij. 1957 D. E. Gray Amer. Inst. Physics Handbk. vi. 96 Twenty-one of the 32 crystal symmetry classes do not contain centers of symmetry, and of these, 20 may exhibit the linear Pockels effect. 1976 Nature 22 Apr. 677/1 The emission intensities of the components parallel and perpendicular to the incident laser polarisation were determined using a Pockels cell to rotate the laser polarisation with respect to a fixed analyser. 1994 New Scientist 19 Mar. 21/1 The plastics contain brightly coloured organic molecules known as chromophores that exhibit the ‘Pockels effect’: applying an electric field across a Pockels material changes its refractive index and alters the polarisation of light passing through it. This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022). < n.1938
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