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Sensors & Detectors





4.     Used on the backs of laser output mirrors to suppress unwanted multiple reflections, which reduce power

8.     An invisible force extending from the loop created by the flow of alternating oscillator frequency current around the transmit winding.

9.     A semiconductor diode that emits incoherent, but chromatically pure light at the junction between p- and n-doped materials




1.     The part of the infrared spectrum near the visible spectrum, typically 700 nm to 1500 nm or 2000 nm; it is not rigidly defined.

2.     The measure of eddy currents of electricity that generate on a metals surface.

3.     A ray of light that falls on the surface of a lens — or any other object. The "angle of incidence" is the angle made by the ray with a perpendicular to the surface.

5.     The ratio of the reflected flux to the incident flux, or the ratio of reflected light to light falling on the object.

6.     An opto-electric transducer used in fiber optics to convert optical power to electrical current. In fiber optics, usually a photo diode

7.     Act of giving off radiant energy by an atom or molecule.









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