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Дата изменения: Mon Feb 19 18:52:12 2007
Дата индексирования: Tue Oct 2 12:19:28 2012
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, . * , .

In collaboration with Pavel Yagoubov, Ruud Hoog ev een, an d Wolfgang Wild
SRON Netherlands Institut e for Space R esearch, the Neth erlands
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· · · · · () TErah ertz LIm b Sound er (T ELIS) :
; ; ;

· ·

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State of Art
· () 100 - 700 500 90 K (<4hf/k) 9- 700
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· · ·

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TELIS
Acronym:

TEr

ahertz

LImb S

ound er

; MIPAS i nterfer ometer, IMK Karlsruhe : 500 GHz b y R AL 500-650 GHz by SRON-IREE 1.8 THz b y DLR (PI) 2006 .
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TELIS -

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5

-TELIS
( , , ) : ClO, Br O, O3, HCl, HOCl, H2O 3 , HO2, NO, N2O, HNO3, C H3Cl, and HCN . . Serv e as v alidati on tool for future satellite missi ons ( ) : 2007

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6

HCl 625
HCl spectrum, 2 km intervals, total atmosphere to 60 km 250
Ozone
15 25 35 37 39 40 45 km km km km km km dgrs up

Si gnal power (K)

200
HCl

150
HCl

100 50 0 624.5

625

625.5 frequency (GHz)
,

626

626.5

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(DSB) : 619 GHz

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8

TELIS
## 1 2 3 4 , (DSB), K , ( ), 500 - 65 0 250 4 - 8 (5 - 7) <1 (2) < 300 100 < 4.5
, 9

5 , 6 4. 2 ( ), 7 , K
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500-650 ()
Telescope pr imar y Liquid h eliu m cr yo stat 4 .2 K Dichr oic Ter tiary I ntegr ated le ns-an tenna Ca libr ation lo ad Windo w Po larizer Warm optics Cold op tics Seco ndar y

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10

« »

I n te g r a te d le n s - a n te n n a ( L 6 ) M a g n e tic s h i e ld E lli p s e ( L 3 ) SS B W ir e g r id W in d o w ( L 2 )

T e r m in a ti o n lo a d F la t

P a r a b o la ( L 1 )

C r y o s ta t
P a r a b o la ( L 5 ) H y p e r b o la ( L 4 )

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11

«»

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12

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13

4 K d e w ar S I R ch i p
S IS mixer H a rm o n ic m ix e r FFO as L O 550-650 GH z 20 GH z re fe re n c e

H EMT 4 -8 G Hz

IF Pr oc essor & DA C

Co m put er c ont r oll ed d ata ac qui siti on sy st em E l ectr on ics F F O, SI S , H M con tr ol

H EMT

PL L
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4 GH z

L SU
14

400 M Hz reference
,

TELIS

(Si); 4 x 4 x 0.5 m m Nb-AlOx-Nb; Nb-AlN-NbN;
3

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15

T ELIS

Doub le-slot twin SIS 0.8 µm2

FFO 400*16 µm2

HM 1.0 µm2

Nb-AlOx-Nb; NB-AlN-NbN; Jc = 5 - 8 kA /cm

2 2

Optionally: SIS Jc = 8 kA /cm 2; FFO + HM = 4 kA/cm
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( 707 ; LW = 6.3 M; SR = 50 %)
-10 IF Output Power (dBm) -15 -20 -25 -30 -35 707,40 707,42 707,44 707,46 707,48 707,50

Phase Locked at 707.45 GHz Frequency Locked

Span - 100 MHz Resolution bandwidth - 1 MHz

a)

FFO Frequency (GHz )
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Y- (300/78 ),
T= 2.1 K, VSIS = 2.2 m V, IF = 4.3 GHz

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18

(DSB) :
Red - T b ath = 4.2 K; Blue T b ath = 2 K

W ater line 557 GHz

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19

: Allan var iance test
Phase-locked SIR
1E-4

IF amp SIS
1E-5

Power meter BP filter

FFO
2

d

A

1E-6

1E-7

0.01

0.1

1

10

100

t, sec
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1000 Recei ver Noise Temperature (K)

800

600

400

200

0 4 5 6 7 8 Intermedi ate Frequency (GHz)
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(-) 625

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22

40
-80 . 00 -72 . 00 -64 . 00 -56 . 00 -48 . 00

20

-40 . 00 -32 . 00

Ver tical scan, mm

-24 . 00 -16 . 00 -8. 0 00

0

0

40

-1 80.0 -1 20.0

- 20
20

-6 0.00 0 60.0 0

V ert ical sca n, mm

120. 0 180. 0

- 40 -40 -2 0 0 20 40

0

H orizon tal sca n, m m

-2 0

-4 0 -40 -20 0 20 40

Hor izontal sc an, mm

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2- OCS ( 1.2 mBar) ; = 625.24
240 230 220 210 200 190

T, K

180 170 160 150 140 130 120 110 5000 5200 5400 5600 5800 6000 6200 6400 6600 6800 7000

IF freq uen cy, MHz
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OCS ;

210 200 190 180

OC S gas, P=2mB

T, K

170 160 150 140 130 120 6100 6120 6140 6160 6180 6200 6220 6240 6260 6280

IF frequency, MHz
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; < 1
-5 -10 IF Output Power (dBm) -15 -20 -25 -30 -35 -40 4.35 4.40 4.45 Intermediate Frequency of the PL SIR (GHz)
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Synthesizer signal r ecei ved by PL SIR Signal out of band PL FFO Spectr a

Synt hesize r Fr eq ue ncy = 644.8 GHz

(3D)

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· , . Nb-AlOx-Nb Nb-AlN-NbN , T EL IS. 500 650 , 200 (DSB), 5- 7 , < - 17 dB, 1 . 2007 .
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