光の屈折、全反射

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2
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1
i
2
(
sin!i!!!!!!!!v1!!!!!!!!λ1!
n12 = ------ (= ---- = ----)
sin!r!!!!!!!!v2!!!!!!!!λ2!
j
!…!
r
n1!,!n2!
!
!
!i!=!j!
1.000292!
!
!
!
!
1.000450!
90°
!
1.000035
!
sin!i0!=!n12!
(
(
)
!
)!
!
1.3330
!
!
)!
1.3618
!
(
)
1.48
2.4195
(0 )
1.309
1.5! !1.9
1!
(
!
1
!
!
1!
2!
!
!
2
(
sin!i!!!!!!!!v1!!!!!!!!λ1!
n12 = ------ (= ---- = ----)
sin!r!!!!!!!!v2!!!!!!!!λ2!
!…!
1
r
2
r
!r!
!r!
i!
i!
!=!
!
!
!
!
!:!
!)!
!
n1!,!n2!
i
i
!:
:
(
)!
)!
n1
n12
!
n2
n1!=!v1/c n2!=!v2/c!!
n12!=!v1/v2!
!
n12!=!v1/v2!=!(c/n1)!/!(c/n2)!=!n2/n1!
n
!
(
)!
!:!
!n!=!√3!
B
!
60°
!
A
30°
!
60°
!
!
(1)!A
!
√3!=!sin60°/sinr!→!sinr!=!1/2!
(2)!B
!
60°!
(3)!B
!
sini0=!1/√3, sin60°=√3/2!>!1/√3!
2!
!