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- {{short description|Relation between properties of diodes}} ...it that are used to characterize photovoltaic and luminescent operation of diodes are related to each other. These relations become particularly simple in a ...15 KB (2,168 words) - 23:01, 26 September 2024
- ...]]s with the low [[Coherence (physics)|coherence]] of conventional [[light-emitting diode]]s. Its emission optical bandwidth, also described as full-width at h ...i=10.1109/3.14376|bibcode=1988IJQE...24.2454A |issn=0018-9197}}</ref> This light source was developed as a key component in the next generations of [[fibre ...23 KB (3,478 words) - 18:29, 18 December 2024
- ...erials than direct band gap ones. This is why [[Light-emitting diode|light-emitting]] and [[laser diode]]s are almost always made of direct band gap materials, ...fall back into the valence shell by radiative recombination, thus emitting light. This is the principle on which "DELEDs" (Dislocation Engineered LEDs) are ...11 KB (1,751 words) - 21:42, 13 January 2025
- ...rs can emit in many different [[wavelength]]s in the visible spectrum of [[light]], making them potentially interesting for [[RGB color model|RGB]] applicat ...a quick, radiationless transition (fast relaxation), followed by the light-emitting transition. Finally, the ground level (<math>^3H_4</math>) is reached via a ...8 KB (1,221 words) - 17:56, 29 January 2023
- {{See also|p–n junction|Diode#Semiconductor diodes}} ...ect current, in the detection of radio signals, and emitting and detecting light. ...24 KB (3,807 words) - 00:14, 27 August 2024
- ...for applications of functional devices such as [[solar cells]] and [[light-emitting diode]]s. ...5 KB (756 words) - 05:53, 12 December 2023
- ...uired for [[anti-reflective coating]] and photonic devices such as [[light emitting diode]]s (LEDs) and [[image sensor]]s.<ref name=Liu /><ref name=Yen>{{cite ...hibit high molar refractivity and optical [[transmittance]] in the visible light region.<ref name="Macdonald 6–14"/><ref>{{cite journal|author1=Michael Olsh ...19 KB (2,532 words) - 18:04, 9 June 2024
- ...ver a 24-hour period. This variable is particularly useful to describe the light environment of plants. ...\cdot \text{Light-hours} /\text{day} </math> </blockquote>where{{indent|5}}Light-hours is the number of hours in a day active photons are delivered to the t ...11 KB (1,732 words) - 17:57, 12 August 2023
- ...irror]]s or other optical elements that forms a [[cavity resonator]] for [[light wave]]s, allowing for more efficient targeting of specific wavelengths. ...ferometer has two parallel surfaces between which a selected wavelength of light can resonate, amplifying the [[Electromagnetic field|optical field]]. While ...15 KB (2,220 words) - 17:04, 19 January 2025
- The parallel beam may be achieved by a point-like light source (a laser focused into a pinhole is sometimes used) placed in the foc ...the focal point of the focusing element, carefully positioned to block the light spot image on its edge. ...10 KB (1,410 words) - 02:28, 3 February 2025
- ...y enhanced extinction spectroscopy (IBBCEES), measures the transmission of light intensity through a stable [[optical cavity]] consisting of high reflectanc ...t:Special:Search/dispersive|dispersive]] or [[interferometric]] means. The light is either directly focused onto the entrance slit of a [[monochromator]] an ...30 KB (4,170 words) - 17:02, 17 September 2024
- ...try protection and warming coatings, [[Light-emitting diode|light emitting diodes]], [[solar cell]] fabrication, and [[varistor]]s.{{cn|date=August 2022}} ...ies of the film usually dictate the choice of substrate; for example, when light transparency is desired various types of glass are used, and in photovoltai ...15 KB (2,133 words) - 21:25, 12 February 2025
- ...ik |first1=M. |last2=Tonnellier |first2=X. |last3=Sansom |first3=C. |title=Light source selection for a solar simulator for thermal applications: A review | These standards specify the following dimensions of control for light from a solar simulator: ...38 KB (5,407 words) - 08:56, 25 November 2024
- .... Vurgaftman |author8=J.R. Meyer |year=2008 |title=Interband cascade laser emitting at λ = 3.75 μm in continuous wave above room temperature |journal=Applied P ...ent]] is required to replenish each active well with electrons as it emits light. In a cascade laser, the wells are connected in series, meaning that the vo ...21 KB (3,061 words) - 19:56, 1 February 2025
- ...e band]] breaks when it is irradiated by an ionizing source (C) release of light during [[Electron-hole pair]] recombination. Electron leaves its site and r ...ctrons, [[luminescence]] is produced.<ref name=":3" /> The luminescence or light emission from the mineral is assumed to be proportional to the trapped elec ...30 KB (4,543 words) - 21:38, 26 February 2025
- ...ects in polyhedral oligomeric silsesquioxanes based organic light emitting diodes| journal= Journal of Materials Science: Materials in Electronics|year=2008| ...on the ability of conjugated dendrimer silsesquioxanes to behave as light emitting materials. Though, highly branched substituents tend to have π-π interactio ...34 KB (4,467 words) - 01:43, 9 November 2024
- {{Short description|Physical equations of light emission in semiconductors}} ...a semiconductor. The SLEs are one of the most accurate methods to describe light emission in semiconductors and they are suited for a systematic modeling of ...23 KB (3,187 words) - 10:53, 8 August 2024
- ...urrent-voltage characteristics of [[field-effect transistor]]s and [[light-emitting diode]]s,<ref name="Tuev-Uzhanin_2009"/> to design [[antenna feed]]ers,<ref ...17 KB (2,030 words) - 15:55, 2 November 2024
- ...broadening the absorption and emission spectra which is useful for [[light-emitting diode]] (LED) applications. Some derivatives of corannulenes act as blue em ...efforts were made for fabricating polymer-based power transmission lines, light weight motors and novel approaches for achieving superconductivity.<ref>{{c ...53 KB (7,458 words) - 03:24, 15 March 2024
- ...to such charge transfer is the ability of any D-A system to absorb or emit light. Hence fundamental understanding of any electrochemical process demands sim [[File:Hush wiki Fig 2.png|thumb|Fig. 2. When the donor species absorbs light energy, it goes into a high-energy excited state, generating significant ch ...22 KB (3,030 words) - 20:29, 20 September 2024