Differences between revisions 3 and 5 (spanning 2 versions)

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
action	description	status	notes
setup DC_PD at an available port		attachment:green.png	put Thorlabs PDA255 at AS
align BS, ITMX and ETMX		attachment:green.png
place TRANS_MON_PD		attachment:red.png
make a simple mod/demod system	to lock the IR	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

Step 2. Re-alignment of green
action	description	status	notes
change beam axis		attachment:red.png	put PDA255 at AS

Step 3. Beat note detection
action	description	status	notes
change beam axis		attachment:red.png	put PDA255 at AS

Step 4. Digital control to stabilize X arm
action	status	notes
set up DC_PD at an available port	attachment:green.png	put PDA255 at AS
align BS, ITMX and ETMX	attachment:green.png

Advanced_Techniques/Green_Locking/January_2011 (last edited 2012-01-03 23:02:44 by localhost)

-  ⇤ ← Revision 3 as of 2011-01-06 20:02:40 → 
  Size: 359
  Editor: KiwamuIzumi
  Comment:
+   ← Revision 5 as of 2011-01-06 20:25:14 → ⇥
  Size: 1846
  Editor: KiwamuIzumi
  Comment:
-Deletions are marked like this.
+Additions are marked like this.
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+= Action Items =
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+[[BR]]
||||||||<tablestyle="width: 80%">'''''Step 1.  X arm alignment for IR '''''||
||''''' action ''''' ||''''' description ''''' || ''''' status ''''' || ''''' notes '''''||
|| setup DC_PD at an available port || ||<:>attachment:green.png || put Thorlabs PDA255 at AS  ||
|| align BS, ITMX and ETMX || ||<:>attachment:green.png  ||  ||
|| place TRANS_MON_PD || ||<:>attachment:red.png || ||
|| make a simple mod/demod system || to lock the IR ||<:>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 || ||

[[BR]]

||||||||<tablestyle="width: 80%">'''''Step 2. Re-alignment of green '''''||
||''''' action ''''' ||''''' description ''''' ||''''' status ''''' || ''''' notes '''''||
|| change beam axis || ||<:>attachment:red.png || put PDA255 at AS  ||

[[BR]]
||||||||<tablestyle="width: 80%">'''''Step 3. Beat note detection '''''||
||''''' action ''''' ||''''' description ''''' ||''''' status ''''' || ''''' notes '''''||
|| change beam axis || ||<:>attachment:red.png || put PDA255 at AS  ||


[[BR]]
||||||<tablestyle="width: 80%">'''''Step 4. Digital control to stabilize X arm '''''||
||''''' action ''''' || ''''' status ''''' || ''''' notes '''''||
|| set up DC_PD at an available port ||<:>attachment:green.png || put PDA255 at AS  ||
|| align BS, ITMX and ETMX ||<:>attachment:green.png  ||  ||
|| || ||