TE01TE02 DLDS Elements

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TE01-TE02 DLDS Elements

• BINP-KEK

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Main parameters of TE01-TE02 DLDS

• Number of modes 2
• Operating modes TE01,TE02
• Main waveguide diameter 120 mm
• Node-to-node distance 56.3 m
• TE01 loss -0.001dB/m
• TE02 loss (measured) -0.004dB/m
• Average main waveguide loss
• of 4-node DLDS 3.5

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TE01 - TE02 2x2 DLDS system
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Basic Elements of TE01-TE02 DLDS

• H-Hybrid
• TE10-TE01 Converter
• TE01-TE02 Launcher
• TE01-TE02 Extractor
• 11 Power Splitter
• 12 Power Splitter
• 90o TE01 Bend
• Phase Shifter

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H-Hybrid. HFSS calculations.
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H-Hybrid. High Power Model
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H-Hybrid. Low power RF test results
Transmission between ports 1 2 (S12) and 1 4
(S14)
Hybrid port 1 VSWR (S11)
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TE10-TE01 Mode Converter
Output diameter 46 mm Length 280 mm
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TE10-TE01 Mode Converter. HFSS Calculations
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TE10-TE01 Mode Converter. Low Power Model
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TE10-TE01 Mode Converter. Low power RF test
results
Transmission from the choke-type TE01 converter
(Ø40mm circular waveguide) to the tested TE01
converter (Ø46mm circular waveguide) for tree
angles between H-plane of the WR90 inputs of
these converters
SWR for the TE01 Mode Converter
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TE02 Mode Extractor
TE01-TE02 Mode Launcher
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TE01-TE02 Launcher-Extractor. HFSS calculations.
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TE01-TE02 Mode Launcher
TE02 Mode Extractor
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TE01-TE02 Mode Launcher-Extractor. HFSS
calculations.
Emax 480kV/cm for 600MW
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Part of TE01-TE02 Launcher-Extractor
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TE01-TE02 Mode Launcher-Extractor. Low Power RF
Model
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TE01-TE02 Mode Launcher-Extractor plus Overmoded
Tapers.
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TE02 Mode Launcher and Extractor. Low Power RF
Test Setup.
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TE01-TE02 Mode Launcher-Extractor. Low power RF
test results.
VSWR of the TE01-TE02 Launcher
VSWR of the TE02 Mode Extractor
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TE01-TE02 Mode Launcher-Extractor. Low power RF
test results.
Isolation between port 1 and port 2 for the
TE01-TE02 Launcher
Isolation between port 1 and port 2 for the
TE02 Mode Extractor
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TE02 Mode Extractor. Low power RF test results.
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TE01-TE02 Mode Launcher-Extractor. Low power RF
test results.
Transmission from the TE01-TE02 Launcher port 1
to the TE02 Extractor port 1 and port 2
Transmission from the TE01-TE02 Launcher port 2
to the TE02 Extractor port 1 and port 2
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1/2 TE01 Power Splitter. HFSS Calculations.
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1/2 TE01 Power Splitter. Low Power RF Model.
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1/2 TE01 Power Splitter. Low Power RF Test
Results.
SWR of the ½ TE01 Power Splitter
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1/2 TE01 Power Splitter. Low Power RF Test
Results.
Squared transmission coefficient S12 for the TE01
1/2 Power Splitter for two angles between
H-plane of WR90 input of the TE01 converter and
WR90 output 2 of the tested splitter.
Squared transmission coefficient S12 for the TE01
1/2 Power Splitter for two angles between
H-plane of WR90 input of the TE01 converter and
WR90 output 3 of the tested splitter.
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1/3 TE01 Power Splitter. HFSS Calculations
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1/3 TE01 Power Splitter. Low Power RF Model.
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1/3 TE01 Power Splitter. Low Power RF Test
Results.
SWR of the 1/3 TE01 Power Splitter
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1/3 TE01 Power Splitter. Low Power RF Test
Results.
Squared transmission coefficient S12 for the TE01
1/3 Power Splitter for two angles between
H-plane of WR90 input of the TE01 converter and
WR90 output 2 of the tested splitter.
Squared transmission coefficient S12 for the TE01
1/3 Power Splitter for two angles between
H-plane of WR90 input of the TE01 converter and
WR90 output 3 of the tested splitter.
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90o TE01 Bend. HFSS Calculations.
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R91
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90o TE01 Bend. Low Power RF Model.
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90o TE01 Bend. Low Power RF Test Results.
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Quasi-pulse measurement with long pipe
The measurements of propagation of pure TE01 and
TE02 modes.
Measurements layout
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Layout in tunnel
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Result of measurements
TE01 one-way efficiency 98.54 TE02 one-way
efficiency 95.20
Loss TE01 - 1.46 (theory 1.18 ) TE02 - 5.75
(theory 4.31)
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Measurements of TE01-TE02 Launcher-Extractor
performances
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No long pipe setup
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Results of measurements
Measured efficiency of launching and extraction
of TE01 mode 97.1 Measured efficiency of
launching and extraction of TE02 mode 97
Theoretical estimated efficiency 97
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Measurements with long pipe.
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Obtained results are discrepant. The reasons are
not clear enough. One of them can be low quality
of backward WR90 waveguide. Measurements are
going to be repeated in end of June. As
preliminary results can be taken ones from the
measurements of below setup
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Results of measurements
Device1 Efficiency of TE01 extr. 98.7
Device1 Efficiency of TE02 extr. 97.7
Device2 Efficiency of TE01 extr. 96.9
Device2 Efficiency of TE02 extr. 98.8
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Average efficiency of TE01 extraction
97.8 Average efficiency of TE02 extraction
98.2 We can expect the efficiency of 2-mode
DLDS (loss in pipe not included) 96