## page was renamed from Upgrade 09/GreenLock
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 . {{attachment:god_of_green.png}}




= Overview =

 The diagrams below show a conceptual design of the green locking technique

   [[Upgrade 09/GreenLock/Preliminary design for the vertex|{{attachment:green_vertex_preliminary_design.png||height=200}}]]
   [[Upgrade 09/GreenLock/Preliminary design for the end|{{attachment:green_ETM_preliminary_design.png||height=200}}]]

= Plans =

 || ''' long term plans ''' || ''' action item list ''' ||  [[Advanced_Techniques/Green_Locking/action_item_list]] ||
 ||<|3> ''' past plans ''' ||''' October 2010''' || [[Advanced_Techniques/Green_Locking/October_2010]] ||
 || ''' November 2010 '''||[[Advanced_Techniques/Green_Locking/November_2010]] ||
 ||'''January 2011''' || [[Advanced_Techniques/Green_Locking/January_2011]] ||
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= Developer's page =
 ||<:> ''''' Category ''''' ||<:> ''''' Links ''''' ||
 ||''' Optical Layout '''|| (1) [[attachment:green_optics.png|Table layout]]   (2) [[Optical_Layout| In-vac layout]]  ||
 || ''' Pictures of End tables ''' || (1) [[ETMY_table| Picture of ETMY table]] (2) [[ETMX_table| Picture of ETMX table]]||
 || ''' Lasers ''' || [[Advanced_Techniques/Green_Locking/Lasers| Lasers (specs, temp settings, etc.)]] ||
 || ''' Optics ''' || (1) [[Optical_Layout#wedge|ITM wedge effect]]  (2) [[Upgrade_09/Optics/RTmeasurement| Mirror RT measurement]]||
 || '''  Mode matching ''' || ([[attachment:modematch_END.png|mode matching at end table]]) ||
 || ''' Electronics ''' || [[Advanced_Techniques/Green_Locking/Electronics]]||
 || ''' SHG ''' || [[Advanced_Techniques/Green_Locking/SHG]] ||
 || ''' Servos ''' ||[[Advanced_Techniques/Green_Locking/Servos| Servos ]] ||
 || ''' Performance ''' ||[[Advanced_Techniques/Green_Locking/Noise_Requirement| Noise Requirement ]] ||
 || ''' Purchase list ''' ||  [[Upgrade_09/Purchase_List/Green_Locking]] ||
 || ''' Delay Line Freq. Descriminator ''' ||[[Advanced_Techniques/Green_Locking/DFD | DFD ]] ||


= Links =
 || ''' aLIGO ALS wiki ''' || http://ilog.ligo-wa.caltech.edu:7285/advligo/Arm_Length_Stabilisation ||
 || ''' Servo modeling (!SimLink) ''' || https://nodus.ligo.caltech.edu:30889/svn/trunk/docs/upgrade08/Green_Locking/Servo_modeling/ ||

= Documents =
 ||<:> ''''' Title ''''' ||<:> ''''' Locations ''''' || ''''' Notes ''''' ||
 || ''' The 40m interferometer : prototyping aLIGO locking scheme ''' || [[https://dcc.ligo.org/cgi-bin/private/DocDB/ShowDocument?docid=67127|G1100820-v1]] || - ||
 || ''' Description of the optical / servo configuration ''' || [[https://dcc.ligo.org/cgi-bin/private/DocDB/ShowDocument?docid=6888|DCC?]]  || - ||
 || ''' Arm Length Stabilization at the 40m prototype ''' || [[https://dcc.ligo.org/cgi-bin/private/DocDB/ShowDocument?docid=39965|G1100301-v1]]|| - ||
 || ''' ALS at the 40m ''' || [[https://dcc.ligo.org/cgi-bin/private/DocDB/ShowDocument?docid=38604|G1100127-v2]] || - ||
 || ''' Arm Length Stabilisation for Advanced LIGO ''' || [[https://dcc.ligo.org/cgi-bin/private/DocDB/ShowDocument?docid=14040|G1000735-v1]] || Experiment done by ANU team ||
 || ''' Arm Length Stabilization for Advanced GW Detectors '''|| [[https://dcc.ligo.org/cgi-bin/private/DocDB/ShowDocument?docid=3134|G0900577-v3]] || - ||
 || ''' Arm Length Stabilization VCO Noise requirements ''' || [[https://dcc.ligo.org/cgi-bin/private/DocDB/ShowDocument?docid=13520|G1000703-v2]] || - ||
 || ''' Arm Length Stabilization (ALS): The Plan for Testing at The 40m  ''' || [[https://dcc.ligo.org/cgi-bin/private/DocDB/ShowDocument?docid=10002|G1000293-v1]] || - ||
 || ''' Advanced LIGO Arm Length Stabilization ''' || [[https://dcc.ligo.org/cgi-bin/private/DocDB/ShowDocument?docid=1331|G0900215-v1]] ||
 || ''' Lock acquisition study for Advanced LIGO''' || [[https://dcc.ligo.org/cgi-bin/private/DocDB/ShowDocument?docid=12173|T1000294-v1]] || - ||
 || ''' Adv. LIGO Arm Length Stabilisation Design ''' || [[https://dcc.ligo.org/cgi-bin/private/DocDB/ShowDocument?docid=1625|T0900144-v4]] || -||
 || ''' Adv. LIGO Arm Cavity Pre-Lock Acquisition System ''' || [[https://dcc.ligo.org/cgi-bin/private/DocDB/ShowDocument?docid=27983|T080139-x0]] || comparison with other techniques ||