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parametric oscillator

   Also found in: Wikipedia 0.01 sec.
parametric oscillator [¦par·ə¦me·trik ′äs·ə‚lād·ər]
(electronics)
An oscillator in which the reactance parameter of an energy-storage device is varied to obtain oscillation.
(optics)
A device consisting of an optically nonlinear crystal surrounded by a pair of mirrors to which is applied a relatively high-frequency laser beam and a relatively low-frequency signal, resulting in a low-frequency output whose frequency can be varied, usually by varying the indices of refraction.
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95 Hardcover TA1706 Now in its second edition, this manual on tunable lasers has been expanded to include recent developments over the last decade such as optical parametric oscillators, solid-state dye lasers, interferometric imaging and large free-electron lasers.
Tunable laser applications, 2d ed by SciTech Book News
06 microns for target designation, but an optical parametric oscillator (OPO) shifts this to 1.
Rangefinding with Eye-safe Light by Richardson, Doug / Armada International
A squeezed field generated by an optical parametric oscillator is injected into the detector to increase the sensitivity and, thereby, the signal-to-noise ratio.
New Focus(TM) and the Optical Society of America Announce Finalists ... by Business Wire
 
 
 
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