AAAS |
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ACIGA |
Australian Consortium for Interferometric Gravitational Astronomy |
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ACWP |
Actual Cost of Work Performed |
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ADC |
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AdL |
Advanced LIGO |
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ALS |
Arm Length Stabilization |
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AMU |
See also RGA |
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ANU |
Australian National University |
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AOC |
Adaptive Optics Compensation |
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AOM |
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AOS |
Auxiliary Optics System |
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API |
Application Programming Interface |
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ARMA |
Autoregressive Moving Average |
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ASC |
Alignment Sensing and Control |
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Alignment Sensing and Stabilization |
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ATM |
Asynchronous Transfer Mode (communications protocol) |
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BAC |
Budget at Completion |
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BCWP |
Budgeted Cost of Work Performed |
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BCWS |
Budgeted Cost of Work Scheduled |
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BH |
Black Hole |
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BSC |
Beam Splitter Chamber also Basic Symmetric Chamber |
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CACR |
Center for Advanced Computer Research (Caltech) |
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CAD |
Computer Aided Design |
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CB&I |
Chicago Bridge & Iron |
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CCB |
Change Control Board |
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CCD |
Charged Coupled Device |
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CDR |
Conceptual Design Review |
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CDRL |
Contract Data Requirements List |
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CDS |
Control and Data Systems |
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COC |
Core Optics Components |
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CSIRO |
Commonwealth Scientific and Industrial Research Organization (Australia) |
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CSSR |
Cost Schedule Status Report |
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CW |
Continuous Wave |
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DAC |
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DAQ |
Data Acquisition System |
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DCC |
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DFG |
Dynamic gravity Field Generator |
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DMRO |
Differential Mode Read-Out |
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DRR |
Design Requirements Review |
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DSP |
Digital Signal Processing |
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End-To-End Modeling (interferometer simulation software package) |
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EAC |
Estimate at Completion |
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ECD |
Eddy Current Damping |
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EPI |
External Pre-Isolator |
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EPICS |
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ER |
Engineering Run |
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ETF |
Engineering Test Facility |
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ETM |
End Test Mass |
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Ex |
Engineering Run x (e.g. E4 is Engineering Run 4) |
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FAC |
Facility Modifications |
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FDR |
Final Design Review |
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FFT |
Fast (Discrete) Fourier Transform |
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FIR |
Finite Impulse Response |
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FSS |
Frequency Stabilization Servo |
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FTE |
Full Time Equivalent |
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GASF |
Geometrical Anti-Spring Filter |
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GEO |
British-German Cooperation for Gravity Wave Experiment |
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GFLOPS |
Billion (Giga) Floating Point Operations Per Second |
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GG |
Gravity Gradients |
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GPS |
Global Positioning System |
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GRB |
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GUI |
Graphical User Interface |
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GWDAW |
Gravitational Wave Data Analysis Workshop |
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GWIC |
Gravitational Wave International Committee |
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HAM |
Horizontal Access Modules --type of vacuum chamber |
See also BSC |
HEPI |
Hydraulic External Pre-Isolator |
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HPSS |
High Performance Storage System (IBM) |
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HVAC |
Heating, Ventilation and Air Conditioning |
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IDE |
Integrated Drive Electronics (disk standard) |
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IFO |
Interferometer |
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i.i.d. |
Independent and identically-distributed |
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IIR |
Infinite Impulse Response |
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InGaAs |
Indium-Gallium-Arsenide |
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INSA |
French National Institute for Applied Science |
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IO |
Input Optics |
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IP |
Inverted Pendulum |
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ISC |
Interferometer Sensing and Control |
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Intensity Stabilization Servo |
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ITM |
Input Test Mass |
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IV&V |
Integration, Verification, and Validation |
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kpc |
Kiloparsec |
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LAL |
LIGO Algorithm Library |
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LASTI |
LIGO Advanced System Test Interferometer |
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LIGO Data Analysis System |
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LHO |
LIGO Hanford Observatory |
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LIGO |
Laser Interferometer Gravitational-Wave Observatory |
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LISA |
Laser Interferometer Space Antenna |
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LLO |
LIGO Livingston Observatory |
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LMS |
Least Mean Squares |
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LMXB |
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LSC |
LIGO Scientific Collaboration |
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Length Sensing and Control System |
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LVDT |
Linear Variable Differential Transducer |
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LVEA |
Laser and Vacuum Equipment Area (at observatory corner station) |
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LZH |
Laser Zentrum Hannover |
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MB |
Megabyte |
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MC |
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MDC |
Mock Data Challenge |
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MEDM |
Motif Editor and Display Manager |
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MEPI |
Magnetic External Pre-Isolator |
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MFLOPS |
Million Floating Point Operations Per Second |
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MGASF |
Monolithic Geometrical Anti-Spring Filter |
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MIMO |
Multiple Input, Multiple Output |
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MOPA |
Master Oscillator-Power Amplifier |
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MOU |
Memorandum of Understanding |
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Mpc |
Megaparsec |
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MPI |
Message Passing Interface |
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MRE |
Major Research Equipment |
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MSU |
Moscow State University |
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NBI |
Neutron Star Binary Inspiral |
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NDS |
Network Data Server |
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NPRO |
Non-Planar Ring Oscillator |
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NS |
Neutron Star |
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OAF |
Online Adaptive Filtering |
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OMC |
Output Mode Cleaner |
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OOP |
Object-Oriented Programming |
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OPD |
Optical Path Difference |
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OSA |
Optical Spectrum Analyser |
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OSB |
Operations Support Building |
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OSEM |
Optical Shadow Sensor and Magnetic Actuator |
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PAC |
Program Advisory Committee |
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PDR |
Preliminary Design Review |
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PDRR |
Preliminary Design Requirements Review |
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PDT |
Photodetector |
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PEM |
Physical and Environmental Monitor |
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PM |
Project Management |
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PMC |
Pre Mode Cleaner |
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PMP |
Project Management Plan |
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Ppm |
Parts per million |
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PRC |
Power Recycling Cavity |
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PRM |
Power Recycling Mirror |
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PSL |
Prestabilized Laser |
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PZT |
PbZrxTi1-xO3 (lead zirconate titanate, a piezoelectric material) |
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QND |
Quantum Non-Demolition |
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QPD |
Quadrant Photo Diode |
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R&D |
Research and Development |
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RAID |
Redundant Array of Inexpensive Disks |
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RC |
Recycling Cavity |
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REO |
Research Electro-Optics (Company Name) |
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REU |
Research Experience for Undergraduates |
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RF |
Radio Frequency |
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RFP |
Request for Proposal |
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RLS |
Recursive Least Squares |
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RMS |
Root mean square |
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RSE |
Resonant Sideband Extraction |
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s |
Second |
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s/s |
Samples/second |
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SAP |
Sapphire Core Optics |
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SAS |
Seismic Attenuation System |
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SEI |
Seismic Isolation System |
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SEM |
Secondary Emission Monitor |
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SIOM |
Shanghai Institute of Optical Materials |
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SISO |
Single Input, Single Output |
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SLC |
Stray Light Control |
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Small Optics Suspension |
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SPICE |
Simulation Program with Integrated Circuit Emphasis |
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SR |
Signal Recycled (interferometer configuration) |
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SRD |
Science Requirements Document |
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SRM |
Signal Recycling Mirror |
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SUP |
Support Equipment |
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SURF |
See also 40m Summer Projects |
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Suspension System |
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TAMA |
Japanese Interferometric Gravitational-Wave Project |
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TB |
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TCS |
Thermal Compensation System |
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TLA |
Three Letter Acronym |
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TNI |
Thermal Noise Interferometer |
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UGF |
Unity Gain Frequency |
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UHV |
Ultra High Vacuum |
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UL |
Upper Limits |
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VCO |
Voltage Controlled Oscillator |
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VEA |
Vacuum Equipment Area (at observatory mid- and end-stations) |
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Italian-French Laser Interferometer Collaboration |
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Versa Modular Eurocard (IEEE 1014) |
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VSRM |
Variable Signal Recycling Mirror |
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WAN |
Wide Area Network |
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WBS |
Work Breakdown Structure |
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WFS |
Wave-Front Sensor |
