| Abbreviation | Definition |
|---|---|
| LGSAO | Laser Guide Star Adaptive Optics |
| LISER | LISER stands for Laser-Induced Spontaneous Emission of Radiation produced when laser diodes focus on |
| LITMO | Leningrad institute of mechanics and optics |
| LOB | Optics and Biosciences |
| LORC | Laser and Optics Research Center (US Air Force Academy) |
| LPNO | Laser Physics and Nonlinear Optics |
| LSOT | Left Esotropia |
| LTAO | Laser tomography adaptive optics |
| LWFA | Laser Wakefield Acceleration |
| MAR | Minimum Angle of Resolution |
| MFOT | Master Fibre Optics Technician |
| MMPO | Moment Method Physical Optics |
| MOAO | Multi Object Adaptive Optics |
| MOAO | Multi Objects Adaptive Optics |
| MOS | Modular Optics System |
| MPAO | Multi Pupil Adaptive Optics |
| MTPO | Modified Theory Of Physical Optics |
| NAOS | Nasmyth Adaptive Optics System |
| NEO | Natural Eye Optics |
| NLO | Non Linear Optics |