11.3
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?????????????????? ???????????????? ?????????????????????????????????? ??????????? ?????????????????????????? ??????????????????????????? . ??????????????????????????? ???????????? ?????????????? . ?????????? ???? ???? ?????????? ????? X ??? Y ???. 11.3.1 ????????????????????????????????. ??????????????? (dichroism) ???????? ? ??? ??????????????? ?????????????????????????? ???????????????????????? ??????????? ??????????? ???? ?????????????? (tourmaline) ??????????????? (herapathite) ???1144

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11.3

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Slide1 l.jpg

11.3

(Direction of Polarization)


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Slide3 l.jpg

  • X Y


11 3 1 l.jpg

11.3.1

  • (dichroism)

  • (tourmaline) (herapathite)


Malus s law l.jpg

(Malus's law)


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  • P = 100%

  • P =0


11 3 2 l.jpg

11.3.2

  • (Brewsters angle) 100%


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  • (polarizing angle)

    (Brewster' angle)


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15) 30%


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16) 3 45o 2 2 45o 3


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17)

n = 1.54

18)

60o


11 3 3 birefringence l.jpg

11.3.3 (birefringence)

  • (anisotropic)

  • (optic axis)

    ()


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2

1 . (ordinary ray)

  • o

  • no


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2. (extraordinary ray)

  • (extraodinary ray)

  • e

  • ne


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o e


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  • 2


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  • 2

  • n


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  • 2


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Slide22 l.jpg

(quarter-wave plate)

( o e )


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(half-wave plate)

( )


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