optical oscillator
51Light-emitting diode — LED redirects here. For other uses, see LED (disambiguation). Light emitting diode Red, pure green and blue LEDs of the 5mm diffused type Type Passive, optoelectronic Working principle Electr …
52Burst mode clock and data recovery — The passive optical network (PON) uses tree like network topology. Due to the topology of PON, the transmission modes for downstream (i.e., from optical line termination, OLT to optical network unit, ONU) and upstream (i.e., from ONU to OLT) are… …
53Geophysical MASINT — is a branch of Measurement and Signature Intelligence (MASINT) that involves phenomena transmitted through the earth (ground, water, atmosphere) and manmade structures including emitted or reflected sounds, pressure waves, vibrations, and… …
54NTSC — This article is about the television system. For the Indonesian government agency, see National Transportation Safety Committee. Television encoding systems by nation; countries using the NTSC system are shown in green. NTSC, named for the… …
55Power scaling — of a laser is increasing its output power without changing the geometry, shape, or principle of operation. Power scalability is considered an important advantage in a laser design.Usually, power scaling requires a more powerful pump source,… …
56Radiofrequency MASINT — is one of the six major disciplines generally accepted to make up the field of Measurement and Signature Intelligence (MASINT), with due regard that the MASINT subdisciplines may overlap, and MASINT, in turn, is complementary to more traditional… …
57radar — /ray dahr/, n. 1. Electronics. a device for determining the presence and location of an object by measuring the time for the echo of a radio wave to return from it and the direction from which it returns. 2. a means or sense of awareness or… …
58Nanotechnology — Part of a series of articles on …
59Project Cyclops — [http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19730010095 1973010095.pdf NASA Technical Report CR 114445 Project Cyclops: A design study of a system for detecting extraterrestial intelligent life] . 14.5 MB pdf file.] was a 1971 NASA… …
60Creation and annihilation operators — Quantum optics operators Ladder operators Creation and annihilation operators Displacement operator Rotation operator (quantum mechanics) Squeeze operator Anti symmetric operator Quantum corr …
