'''[[../|..Up]]'''

== Terminology and Acronyms ==

||'''Meaning''' ||'''Japan''' ||'''LIGO'''||
||Differential arm length||L-||DARM(ダーム)||
||Common arm length||L+ ||CARM(カーム)||
||Michelson DOF||l-||MICH(ミッチ)||
||Power recycling cavity length||l+||PRCL(パークル)||
||Signal recycling cavity length||ls||SRCL(サークル)||
||The arm in line with the incident beam||Inline-arm||X-arm||
||The arm perpendicular to the incident beam||Perpendicular-arm||Y-arm||
||Output port of the interferometer where the carrier is dark||Dark Port, DP||Anti Symmetric Port, AS, AP||
||The light returning to the laser||Bright Port, BP||Symmetric Port, SP, Reflection Port, REFL||
||Length Sensing and Control ||長さ制御||LSC||
||Alignment Sensing and Control||アラインメント制御||ASC||
||Input mirrors of the arm cavities||Front Mirror, Near Mirror, NM||Input Test Mass, ITM||
||End mirrors of the arm cavities||End Mirror, EM||End Test Mass, ETM||