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| || make a simple mod/demod system || to lock the IR ||<:>attachment:red.png || || | || hook it up TRANS_MON to ADC|| {{{ c1iscex }}}||<:>attachment:red.png || || || make a simple mod/demod system || to lock the IR without {{{c1lsc }}}||<:>attachment:red.png || || |
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| || change beam axis || ||<:>attachment:red.png || need a helper || | || change beam axis || ||<:>attachment:red.png || attachment:help.png need a helper || |
Plan for January
GOAL of this month
to stabilize the arm displacement using the green beat note
Action Items
Indicators |
|||
attachment:green.png complete |
attachment:orange.png intermediate state |
attachment:red.png nothing happened |
attachment:black.png gave up |
Step 1. X arm alignment for IR |
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action |
description |
status |
notes |
setup DC_PD at an available port |
to find a fringe |
attachment:green.png |
put Thorlabs PDA255 at AS |
align BS, ITMX and ETMX |
|
attachment:green.png |
|
place TRANS_MON_PD |
|
attachment:red.png |
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hook it up TRANS_MON to ADC |
c1iscex |
attachment:red.png |
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make a simple mod/demod system |
to lock the IR without c1lsc |
attachment:red.png |
|
feeding back the signal to MCL |
to lock the IR |
attachment:red.png |
|
A2L for IR |
for precise alignment |
attachment:red.png |
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Step 2. Re-alignment of green |
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action |
description |
status |
notes |
change beam axis |
|
attachment:red.png |
attachment:help.png need a helper |
rearrange the optical setup at X end |
if necessary |
attachment:red.png |
|
lock the green to X arm |
|
attachment:red.png |
|
overlap the axis to the IR |
using A2L |
attachment:red.png |
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Step 3. Beat note detection |
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action |
description |
status |
notes |
finalize the setup at PSL table |
Electronics, cables and etc.,.. |
attachment:red.png |
|
alignment of optics at PSL table |
|
attachment:red.png |
|
temperature tuning of the lasers |
|
attachment:red.png |
need a helper |
Step 4. Digital control to stabilize X arm |
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action |
description |
status |
notes |
connect VCO signal to ADC |
hook up it to c1ioo |
attachment:red.png |
need a helper |
simulink model refinement |
|
attachment:red.png |
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DAQ setting |
|
attachment:red.png |
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feedback to ETMX |
|
attachment:red.png |
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medm screen |
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attachment:red.png |
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