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??????????e-??????? ???????9? -??????????-

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... 9 PEM (photoelastic modulator= ) ... – PowerPoint PPT presentation

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Title: ??????????e-??????? ???????9? -??????????-


1
??????????e-??????????????9? -??????????-
  • ????
  • (??????)

2
?????????
  • ?3-5?????????????????????????????????????????????
  • ?6????????????????????????????????????????????????
    ??????????????????????????????????????????????
  • ?7????????????????????????????????????????????????
    ???????????????????????????????????????????????

3
????????
  • ??????????????????????????????????????????????????
    ????????????
  • ??(?9?)?????????????10????????????????????????????
    11-13?????????????????????????????????????????????
    ??14????????????????
  • ??????????????????????????????????????????

4
??????????
  • ??????
  • ??????
  • ??????
  • ????????
  • ??????
  • ???????(??????)
  • ???????????
  • ??????????5?????,?????????????????????????
  • ????????????????????,??????????????????????????
  • ??????????????????,?????????????????????????
  • ??????????????????,????????????????
  • ??????????????????????????????????????????????????
    ?

5
??????(??????)
  • ??????????????????????
  • ?5.1(a)????????????.??????????????????????,???????
    ???????????????????.

B
P
A
D
S
L
?F
?A
?P
I
?P?A?/2
?5.1(a) ???????????L???P????S???A????D???
  • ???P????A????,????????????D???????????A????????,??
    ??????0????????
  • ????H?????,D?????????A????H??????H-?0?????????????
    ??.????????A????????????,???????????????????????

6
?????????
  • ?????????I?,?????????p,?????????A,?????????F????,

(5.1)
??????.????P,?A???????????????????????????.?????
?,?P-?Ap/2?????,????
(5.2)
?????.?F???H???????,I?H????????????5.1(b)???????
?.
7
??????(??????)
  • ?F?p?????????I/I0?0?p/2???????1???????????????????
    ??????????????????????
  • ?????????????????????????????????????????????????
    ??????????????????????????????????
  • ???I/I0(1-(?Hl)2)sin2?Hl(?Hl)2cos2?Hl?????????
    ???

8
??????
  • ???????,???,???,??????????????????.
  • ?5.2?????P????,???A?????????????????????.

?5.2 ???????????P????S???A??????D???
9
??????
  • ????????p????????,?Apt???????,?????ID?,

(5.3)
  • ??????.
  • ????,????D?????????2??????2p??????????.?????????F?
    ,???????,???????????????????????,?/2????????????.

10
??????
  • ?5.3???????????????????,????

(5.4)
??????????0????????p???????,????ID?
(5.5)
?????.???,Jn(x)?n???????????
?5.3 ???????????P?????(????p)?S??(????????F)?A?
???D???(??ID))
11
??
  • ?(5.5) ???????????

?????????????????????????
12
?????????(cont)
  • ?F??????,
  • ????p???I (p)????I 0????F????,
  • ????2p???I (2p)??????I 0???????

(5.5)
???
  • ????I (p)?I (2p)???????F????????

13
?????????
  • ?????????????????????,????????????????????????????
    ??????,???????????????5.4????????????

????????
?5.4 ??????????????P????S???A????D???
14
?????????(1)
  • ???????????????????????????????????????????,???D??
    ??????????????????????????????????????????????????
    i???????????????????????? ?K i
  • ?5.4????????????????????????????????????????D?????
    ??????????????
  • ???????????????I0?,???????isinpt???????????????
    i i0 ?i, ?K iK i0K?isinpt ?0?? sinpt
  • ???D????,????????????????????????????????????????
    ????????????.

15
?????????(2)
  • ?????ID?,
  • ????,p??????sin(?0-?F)???????
  • ?????????????p???????????????????I0
    sin(?0-?F)J1(2? ?)?????A???????????i0?

??????
16
?????????(3)???????????
  • ????????????K?????
  • ???????0-?F??????
  • ????K?8???? ?0?F??????

17
???????(1)
  • ????,4??1???(?/4????)???????????????????????????.?
    ???????????????.
  • ?????(rad)??????????????,????????E?Ecos?isin?j
    ??????.(???i,j ?????x,y???????????.)

18
???????(2)
  • x?????????/4?????,y??????90? ?????,??????E?

(5.7)
  • ??????,???,x????(rad)??????????????.
  • ?????,??????????????/4??????????,?????????????????
    ???????????????.

19
???????(3)
y
?5.5 ?/4?????????????????????????
20
??????(???????)
  • ?5.7????P?A??????,M???????(PEM),D???????.
  • PEM??,????????(??,CaF2??)??????????????????.
  • PEM?????p rad/s????????????,?????????????????p
    rad/s???????????????.????????n?????.
  • ?????,????? d2??nl/? ?p rad/s???????.????,
  • ??0sinpt (5.8)

21
????????????
  • ?5.8 (a)???????(PEM) ????????????d??????????.?????
    ??d???d0?p/2?????????d?????????????????.
  • ??S??????????????????,???????????(b)??????1?????LP
    -RCP-LP-LCP-LP??????????.(???,LP?????,RCP?????,LCP
    ??????????.)
  • ?????????????(c)????????????????????.
  • ???????????????(d)??????,?????(e)??????????2prad/
    s?????.
  • ??,????????RCP?LCP??????????????,??(g)??????prad/
    s????????.

?5.8
22
?????????
(5.9)
  • ????(45?)
  • Y????d??
  • ????????
  • ??????????????????????
  • ????????
  • x???f????????????????????
  • ???????

(5.10)
(5.11)
(5.12)
(5.13)
(5.14)
23
?????????
  • ??????????????
  • ? 0 ???K?????
  • ? ?0sinpt?????Bessel????

(5.16)
(5.17)
  • ???p????????2p???????

(5.18)
24
?????????
  • ??????????????????????????????????.
  • ??,?????????????????????????????.
  • ??????????????,????????????????.
    ??????????????????

25
????????????
26
????????????????
  • ??????????????,??,???,???,???,????????????,???????
    ???????????.
  • ???,???????????,????,???????????????,?????????????
    ??.

27
??
  • ??????? (???-??)
  • ???????(???-???)
  • ??????(??)

???????
??????
???????
28
???
  • ???(????)???

?????????(???)http//www.kogakugiken.co.jp/product
s/polarizer06.html???
  • ??????????
  • ??????(???)

???????????http//shop.mellesgriot.com/products/op
tics/optics.asp?plga276736CatID10521mscssid???

???????????? http//www.opto-line.co.jp/jp/henko/h
enko_sekigai.html???
29
???
  • ?????????????????????????.????25cm???,f
    ?????34????????.
  • ???????????????????????????.

??????????H10????
?????????????????
??????????????http//www.inform.umd.edu/EdRes/Topi
c/Chemistry/ChemConference/Chem623/Monochromator.h
tm???l
30
??????????
  • ??????????????????????????,?????????????????????.
  • ???????????????????????,?????????,??????????????.
  • ?????????????????????.???,2µm?????????????????2??1
    µm,3??667nm,4??500nm,5??400nm,????????,2µm?????
    ??????,1µm??????????????????????????.
  • ?????????????????????????????????.

HOYACANDEO???????http//www.hoyacandeo.co.jp/japan
ese/products/??
????????????????
???????????????
31
???
  • ???????????
  • ???????????
  • ??????
  • ????,?????????????,0.42µm???????????,df/f-0.067?
    ??,f15cm???df1cm???.

????
32
???
  • ??????
  • ???????

http//www.hpk.co.jp/Jpn/products/etd/pmtj/pmtj.ht
m
http//www.irassociates.com/
33
??????????????
  • ???????????????
  • ??????
  • ???????
  • ????????

?????????
?????????
34
???????
  • ??????????????????????????????????????????????????
    .
  • ?5.23??????????????????.
  • ???????????p rad/s?2??????????????,?????????????
    ????????????????????.
  • ??????????,??f rad/s????????????????????????????
    .(??,????????????????????????????????????.)
  • ???,p rad/s???f rad/s??,????2p rad/s???f
    rad/s???????????????????,?????????????????.

?5.23
35
?????????????(1)
??
??????????
???
???
???????
?????
?? ???
????? ????
??? ??
???????? p,2p
???????? f
PEM??????
36
?????????????(2)
????2
PEM
???1
???2
????3
M
????1
???
PM
37
?????????????(3)
38
?9?????
  • ??????????????????????????????????????????????????
    ???????????????????????
  • PEM???????????????????????????????????????????????
    ???????????????????

39
?9????
  1. ?????????PEM (photoelastic modulator??????)??????
    ???????
  2. ????????????????????????????????????????????
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