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...f lenses, mirrors, waveplates, diffraction gratings, and many other common optical components and systems. If an optical system is linear, it has the following properties (among others): ...

...f DVD-RW optics.png|thumb|Photodetector and Laser optical path out of an [[optical disc drive]]]] ...oneer DVD Optical Sensor (49834973657).png|thumb|A optical disc drive's IR optical photodetecting light cell]] ...

'''Optical conductivity''' is the property of a material which gives the relationship ...t''' can be inferred from [[sum rule in quantum mechanics|sum rules]]. The optical conductivity is closely related to the [[dielectric function]], the general ...

{{short description|Circuit which produces an optical or electronic sine wave signal}} ...] that produces a repetitive electronic [[sine wave]] and/or [[modulated]] optical continuous wave signals. ...

...clude laser cavities, [[photonic crystal]] slabs, [[metamaterials]], and [[Optical ring resonators|ring resonators]]. ...al.'' for optical waveguides.<ref>Haus, H., et al. "Coupled-mode theory of optical waveguides." Journal of Lightwave Technology 5.1 (1987): 16-23.</ref><ref n ...

...e film, the rate at which it is deposited, or both. Not surprisingly, the devices which control some aspect of the process tend to be called controllers, and ...iate if the film being deposited is part of a [[Thin-film optics|thin film optical device]]. ...

...rizer|italics=no}}''' or '''{{lang|en-GB|depolariser|italics=no}}''' is an optical device used to scramble the [[photon polarization|polarization of light]]. Optical systems are often sensitive to the polarization of light reaching them (for ...

...ool for the modelling linear effects in fiber optics and silicon photonics devices. ...long the waveguide) and an infinite number of radiation modes (which carry optical power away from the waveguide). The guided and radiation modes together for ...

...ght|350px|An afocal setup with a digital camera and a [[finderscope]] with optical diagram:<br/> ...ce]] of another image forming system such as an [[optical telescope]] or [[optical microscope]], with the camera lens taking the place of the [[human eye]].<r ...

...by utilizing an [[optical cavity]]—a configuration of [[mirror]]s or other optical elements that forms a [[cavity resonator]] for [[light wave]]s, allowing fo ...ar to that of conventional photodetectors, the amplification effect of the optical cavity allows RCE photodetectors to be made thinner and therefore faster, w ...

....org}}</ref> Measures of TL are very important in the industry of acoustic devices such as [[muffler]]s and [[sonar]]s. ...in Optical fiber? |url=https://www.goseeko.com/blog/what-are-the-losses-in-optical-fiber/ |access-date=2023-04-21 |website=Goseeko blog |language=en-US}}</ref ...

...18154363}}</ref> The physicochemical transducer may be electrochemical, optical, electronic, gravimetric, pyroelectric or piezoelectric. Based on the type == Optical biotransducers == ...

...tent/US8476846 US Patent 8476846] Stochastic signal density modulation for optical transducer control (Jul 2, 2013)</ref> is a novel power modulation techniq ...uctor. SSDM module<ref name=SSDM-datasheet/> is available in PSoC 1 series devices. With PSoC series 3, 4 and 5 Precision Illumination Signal Modulation (PrIS ...

...maximum [[safe operating temperature]]. Various measures are taken for '''optical overheating protection'''. ...al gain (for example, using [[thermotropic]] layers, or [[electrochromic]] devices) or an increase in system losses, by dumping of the hot water excess. ...

...aves like a homogeneous, but pixellated, window that can have very unusual optical properties (see the picture of the view through a METATOY). ...nd J. Courtial|title=Metamaterials for light rays: ray optics without wave-optical analog in the ray-optics limit|journal=New J. Phys.|volume=11 |issue=1|page ...

...cise [[thermometer]]s working at the [[Nanoscopic scale|nanoscale]]. These devices have high spatial resolution (below one [[micrometre|micrometer]]), where c ...ntact thermometry techniques, such as, IR thermography, thermoreflectance, optical interferometry, Raman spectroscopy, and luminescence. Luminescence nanother ...

...f the technology include displays, biosensors, [[Lab-on-a-chip|lab-on-chip devices]], lenses, and molecular imaging tools and energy. ...ue-7.features.optofluidics-optofluidics-can-create-small-cheap-biophotonic-devices.html |date=Jul 1, 2006 |accessdate=2011-06-26 }}{{Dead link|date=April 2020 ...

...ysics)|coherence]] of conventional [[light-emitting diode]]s. Its emission optical bandwidth, also described as full-width at half maximum, can range from 5 u ...s a key component in the next generations of [[fibre optic gyroscope]]s, [[optical coherence tomography|low coherence tomography]] for [[medical imaging]], an ...

Active sensors are sensing devices which contain active components; usually this solution allows for a more pr On the other hand, an effective solution is to transfer on an optical carrier, the electric (or magnetic) field component sensed with an active p ...

[[Category:Optical devices]] ...