double refraction in calcite crystal pdf
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/R341 266 0 R T* /R315 377 0 R (b) and (c) estimated depth map and restored color image from the input. 1 0 0 -1 0 792 cm /R217 281 0 R /Type /Page Phenomenon of double refraction was explained by Huygens’ for which he extended his principle of secondary wavelets and made the following assumptions. /Parent 1 0 R endstream 96.422 5.812 m
When a beam of unpolarized light enters a birefringent crystal at normal incidence (but not along the optic axis), two light beams emerge.
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Calcite has rhombohedral cleavage which means it breaks into blocks with parallelogram - shaped faces. /R198 276 0 R �,[�i��+U}��^��6U�����;n��h�%��!ۿ�=6�PbaB� K DJȔ���Q�Q���N��� ��
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If a clear rhombic cleavage block is placed over a point and observed from the top, two images of the point are seen through the calcite crystal. 1 0 0 1 0 0 cm T*
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Therefore, the phenomenon of
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Light passing through a calcite crystal is split into two rays by refraction.
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/R208 307 0 R Geometry of Calcite Crystal • Double refraction is an optical property in which a single ray of unpolarised light when passes through a uniaxial crystal gets split into two refracted rays, each propagating in a different direction.
Rotate the crystal. The convention is to make the incident beam with arbitrary; this determines the size of the sections of the wave surfaces. /R225 363 0 R
The best-known birefringent crystal is the mineral calcite (Iceland spar), the colorless, transparent rhombohedral salt calcium carbonate, .The optical axis coincides with the three-fold axes of the equilateral groups, along which the ions are also situated. 15 0 obj /Parent 1 0 R /Parent 1 0 R /R303 368 0 R /R233 343 0 R
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[ (ing) 14.995 (\056) -289.988 (Instead) -191.986 (of) -191.015 (learning) -190.991 (depth) -191.009 (fr) 44.9864 (om) -191.02 (single\055ima) 9.99588 (g) 10.0032 (e) -190.993 (depth) -191.99 (cues\054) ] TJ Lecture Notes - Optics 3: Double Refraction, Polarized Light • Experiment: observations with optical calcite. 5 0 obj Get permission to re-use this article. [ (to) -330.011 (the) -330.996 (bir) 36.9926 (efr) 14.9871 (active) -330.017 (medium\056) -550.985 (Doing) -329.999 (so) -330.993 (mak) 10 (es) -329.982 (it) -330.009 (possible) -331.006 (to) ] TJ /R259 386 0 R �Z��b�z@�N�ʼ���q���i��o��e5��%l�mh�l��M��ʦ!���>��#�9?
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/R89 69 0 R /R368 224 0 R Calcite is 'birefringent' or 'double refracting'. 23.2641 0 Td
/R52 131 0 R >> Physics Education, Volume 7, Number 7.
birefringence; any direction not perpendicular to the optic axis is called . [ (to) -279 (obtain) -278.988 (depth\054) -286.991 (which) -278.998 (prohibits) -279.007 (their) -279.002 (use) -279.007 (in) -280.022 (dynamic) ] TJ /R317 379 0 R 4.73203 -4.33789 Td
(KAIST) Tj Double refraction When light enters the optical axis of anisotropic crystals, it behaves in a manner similar to the interaction with isotropic crystals, and passes through at a single velocity.
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