Differences between revisions 4 and 5

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 4 as of 2011-01-06 20:13:34 → 
  Size: 1621
  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.
 Line 14:
-||||||'''''Step 1.  X arm alignment for IR '''''||
||''''' 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  ||  ||
|| || ||
+||||||||<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 || ||
-Line 21:
+Line 24:
-||||||<tablestyle="width: 80%">'''''Step 2. Re-alignment of green '''''||
||''''' 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  ||  ||
|| || ||
+||||||||<tablestyle="width: 80%">'''''Step 2. Re-alignment of green '''''||
||''''' action ''''' ||''''' description ''''' ||''''' status ''''' || ''''' notes '''''||
|| change beam axis || ||<:>attachment:red.png || put PDA255 at AS  ||
-Line 28:
+Line 30:
-||||||<tablestyle="width: 80%">'''''Step 3. Beat note detection '''''||
||''''' 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  ||  ||
|| || ||
+||||||||<tablestyle="width: 80%">'''''Step 3. Beat note detection '''''||
||''''' action ''''' ||''''' description ''''' ||''''' status ''''' || ''''' notes '''''||
|| change beam axis || ||<:>attachment:red.png || put PDA255 at AS  ||
 Line 37:
-||''''' action ''''' || ''''' status ''''' || ''''' notes ''''''||
+||''''' action ''''' || ''''' status ''''' || ''''' notes '''''||