?????????(??B) ??????????????

1
??????????????

• ???????? ????
• ????? ?????????

2
????
??????????????100m????????????????????????????????
10-1010-11???????????????????????????????????????
??????????????????????????????????????????????????
?????????????????????????? ???????????????????????
??????????????????????????????????????????????????
??????????????????????????????????????????????????
????????????????????????????????? ????????????????
??????????????????????????????????????????????????
?????????????????????????????????????????????????
????????????????????????????????????
3
???????
???????
???
4
???????
??
???????
???
?????? ? ??????? ?
???????? ?????
5
???????
???????
???
?????
?????? ? ?? ??????
???????????????????
????????????????????????????????????????????????
?????????
6
?????
??????????? 1.000270 ???(????1)?
??1????-1ppm ??1hPa???0.3ppm ??10???-0.1ppm CO2??
100ppm???0.01ppm
????
7
?????
??????????? 1.000270 ???(????1)?
??1????-1ppm ??1hPa???0.3ppm ??10???-0.1ppm CO2??
100ppm???0.01ppm
????
100m????1µm?????????
??????0.01????0.03hPa ????????????
8
??????
??????????????????????????
???2?????????????
???????????????????? ???????????????????????????
????
????????????????????
9
???????????
??????
(??????)
?????
(?????????)
?????????????????????
????
?????
10
????????
??????
??50???
10-8???(100m?1µm)???????
??????
??????0.01ppm??? ? ???0.01????
??????
???0.15??? ? ???8????
11
????????????
??????????????????????????????????????????????????
???????????????????????????????
??????????????????????????? ??????????????????????
????
?
????????????
??1064 nm ?????????????????532 nm
???????????????12??????1064 nm
??????????????2????532 nm ??????????DBM???????????
?
?????AOM?????1064 nm ???????1??????532 nm
???????2??????????????????????12??????
12
1064nm
Optical Layout
532nm
f -30mm
f 250mm
BS
f -30mm
f 500mm
f 400mm
AOM
f -30mm
f -40mm
BS
f 150mm
???
13
Electrical Scheme
AOM
65MHz
Frequency doubler
145MHz
Frequency doubler
LO
RF
65MHz
130MHz
LO
RF
IF
130MHz
LO
RF
IF
IF
Voltage Control
LPF
LPF
LPF
15MHz
LO
RF
IF
Servo Filter
Synchronized Readout
14
???????????
????2?
?????
NdYAG 1064nm
??(???)
????2?
???????????????????!!
15
??????????
??????? ??????
????? ?????
??????? ?????
16
??????????????
17
?????
???????????????????(5 6?)???????????????????????
??????????????????(?????310-9 ??)
??????????????????????????????A???????????????