Terminology
This page lists commonly used terms and acronyms in the LCGT project. If you encounter unknown acronyms in the LCGT documents, come back to this page to find a meaning. If you don't find a description here, send an email to the author of the document and poke him/her to add a description here.
It is desirable to order the table in alphabetical order.
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Interferometer Related
Word/Acronym |
Meaning/Description |
Synonyms |
ETM |
End Test Mass. The mirrors suspended at the far ends of the long arm cavities. |
End Mirror. |
ETMX |
End Test Mass of X arm. |
|
ETMY |
End Test Mass of Y arm. |
|
ITM |
Input Test Mass. The mirrors forming the arm cavities suspended close to the vertex. |
Near Mirror |
IFO |
I guess IFO actually means InterFerometer Observatory. But it is used to mean just interferometer, the core part of an interferometric gravitational wave detector. |