Changes

<b>2D</b>: 2-dimentional<br><b>3D</b>: 3-dimentional<br><b>A/D</b>: Analog-to-Digital<br><b>AC</b>: Alternating Current <br><b>AFCW</b>: Air Filled Coax Waveguide

<b>BSO</b>: Bismuth Silicon Oxide

<b>CAL.</b>: Calibration<br><b>CH/Ch</b>: Channel<br><b>cm</b>: centimeter<br><b>CP</b>: Circular polarization<br><b>CW</b>: Continuous Wave (Pure Sine Wave)

<b>D/A</b>: Digital-to-Analog<br><b>DAQ</b>: Data Acquisition<br><b>dB</b>: Decibel<br><b>dBm</b>: Decibel power referenced to milliwatts<br><b>DBR</b>: Distributed Bragg reflector<br><b>DC</b>: Direct Current<br><b>DUT</b>: Device under test

<b>EMC</b>: Electromagnetic Compatibility<br><b>EMI</b>: Electromagnetic Interference<br><b>EO</b>: Electro-Optic

<b>FC/APC</b>: Ferrule Connector / Angle-polished connection, a fiber-optic connector<br><b>FEP</b>: Fluorinated ethylene propylene, a copolymer of hexafluoropropylene and tetrafluoroethylene

<b>GPIB</b>: General purpose interface bussPurpose Interface Bus<br><b>GRIN</b>: Graded index lens

<b>Hz</b>: Hertz

<b>IF</b>: Intermediate Frequency/The low frequency signal port of a mixer.

<b>LED</b>: Light emitting diode<br><b>LNA</b>: Low-Noise Amplifier<b>LO</b>: Local Oscillator/The carrier input port of a mixer<br><b>LTO</b>: Lithium Tantalate (LiTaO3)<br><b>m</b>: meter<br><b>mm</b>: millimeter<br><b>msec</b>: millisecond (ms)<br><b>mW</b>: milliwatt<br><b>MMIC</b>: Monolithic Microwave Integrated Circuits<br><b>MO</b>: Magneto-Optic

<b>nsec</b>: nanosecond (ns)

<b>PD</b>: Photodetector<br><b>PM</b>: Polarization maintaining<br><b>PM</b>: Phase Modulation<br><b>Pol. CntrllerCtrl.</b>: Polarization controller

<b>Ref Level</b>: Reference Level<br><b>RF</b>: Radio Frequency/The high frequency signal port of a mixer<br><b>RFI</b>: Radio Frequency Interference<br><b>RFIC</b>: Radio Frequency Integrated Circuits<br><b>RT</b>: Real-time

<b>s</b>: Second (sec)<br><b>SA</b>: Spectrum Analyzer<br><b>SBIR</b>: Small Business Innovative Research <br> <b>SMA</b>: Subminiature connector ‘A’, a coaxial RF connector<br><b>SNR</b>: Signal-to-noise ratio (signal power over noise power)

<b>TEM</b>: Transverse Electromagnetic<br><b>TEM cell</b>: A small chamber generating a consistent electromagnetic field for testing

<b>USB</b>: Universal Serial Bus<br><b>um</b>: Micrometer (m)<br><b>uV</b>: Microvolt (V) <b>V/m</b>: Volt/meter<br><b>V</b>: Volt