Acronym |
Definition |
| OPERA | Oscillation Project with Emulsion tRacking Apparatus |
| OPIL | Optical Physics Interdisciplinary Laboratory |
| OPLL | Optical Phase Locked Loop |
| OPMAS | Optical Pumping and Magic Angle Spinning |
| OPO | Optical Parametric Oscillator |
| OPS | Optical Physical Section |
| OPSL | Optically Pumped Semiconductor Laser |
| OPSn | Optical Physical Section n |
| OPSO | Optimized Particle Swarm Optimization |
| OQS | Occupied Quantum State |
| ORNL | Oak Ridge National Laboratory |
| ORP | Optimization of Radiation Protection |
| ORT | Oak Ridge Tennessee |
| OSC | Organic Solar Cell |
| OSP | Omni Spectra Push |
| OSP | Open Source Physics |
| OSPL | Output Sound Pressure Level |
| OSQ | Orientation Space Quantization |
| OSTP | One Step Transition Probability |
| OSU | Ohio State University |
| OSV | Optically Strong Variable |
| OTA | Optical Tube Assembly |
| OTT | Optical Topological Transition |
| OW | One Wave |
| OXS | Objective Crystal Spectrometer |
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