##### Three-dimensional buried polymer waveguides via femtosecond direct laser writing with two-**photon** absorption | (2014) | Nguyen |...

FsDLW with two-

http://spie.org/Publications/Proceedings/Paper/10.1117/12.2051326**photon**absorption was used to initiate cross-linking following a programmed trajectory to form the waveguide ... Three-dimensional buried polymer waveguides via femtosecond direct laser writing with two-**photon**absorption Author(s): Duc H. H ...##### What is an optical straight line (**photon** path)? | Physics Forums - The Fusion of Science and Community

Is there any way to quantify the straightness of a

https://www.physicsforums.com/threads/what-is-an-optical-straight-line-photon-path.818337/**photon**path? Or, does the path taken by a**photon**thru empty space define ... Is there any way to quantify the straightness of a**photon**path? Or, does the path taken by a**photon**thru empty space define ... I just don't know -- is the**photon**taking a straight-line path from the aperture to the target? Is the**photon**localizable along ... doesn't the**photon**travel in a straight line? Would there be an astronomy experiment that tests the straightness of**photon**...##### Optical parametric generation in the presence of strong two-**photon** absorption in periodically-poled LiNbO/sub 3/ - IEEE...

Optical parametric oscillation (OPO) and optical parametric generation (OPG) have widely been used for producing tunable radiations. In this paper we prese

http://ieeexplore.ieee.org/document/1253113/?reload=true&arnumber=1253113&contentType=Conference+Publications##### Hitchhiker's Guide to the Galaxy on **Photon**

... such

http://hitchhikersgui.de/Photon**photon**-**photon**scattering (see two-**photon**physics), as well as electron-**photon**scattering, is meant to be one of the modes ...**photons**are in the mode k. i. {\displaystyle k_{i}}. . In this notation, the creation of a new**photon**in mode k. i. {\ ...**photon**. sin. . θ. =. h. λ. sin. . θ. {\displaystyle \Delta p\sim p_{\text{**photon**}}\sin \theta ={\frac {h}{\lambda }}\sin \ ... of ambient**photons**of that frequency,. R. j. i. =. N. j. B. j. i. ρ. (. ν. ). {\displaystyle R_{ji}=N_{j}B_{ji}\rho (\nu )\!}. ...##### Nitric oxide activatable photosensitizer accompanying extremely elevated two-**photon** absorption for efficient fluorescence...

Developing NO-activatable theranostic materials with a two-

http://pubs.rsc.org/en/content/articlelanding/2018/sc/c7sc04044j**photon**excitation (TPE) feature is highly promising for precision ... δ allows unprecedented two-**photon**fluorescence brightness (δ × ΦF = 260.4 GM) and two-**photon**PDT (TP-PDT) efficiency (δ × ΦΔ = ... With these merits, the proof-of-concept applications of NO-activatable two-**photon**fluorescence imaging and TP-PDT in activated ... Developing NO-activatable theranostic materials with a two-**photon**excitation (TPE) feature is highly promising for precision ...##### Large-area avalanche diodes for picosecond time-correlated **photon** counting - IEEE Conference Publication

Time-correlated

http://ieeexplore.ieee.org/document/1546658/?reload=true&arnumber=1546658&contentType=Conference+Publications**photon**counting experiments in life and material sciences demand photodetectors with single**photon**sensitivity ...##### Advances in Chemical Physics (Wiley Series in Probability by Joshua Jortner, Raphael D. Levine, Stuart Alan Rice - Raesmom Books

In the next sections we show that in spite of the small two-

http://www.raesmom.com/read/advances-in-chemical-physics-wiley-series-in-probability-and-mathematical**photon**absorption crosssection, the method can be used for ... The fate of two-**photon**excited neutral molecules and atoms is most easily followed in real time by fluorescence monitoring. ... For some applications, it is more straightforward and leads to less ambiguous interpretation than one-**photon**excitation. ...##### Two-**photon** excitation and time-resolved fluorescence: I. The proper response function for analysing single-**photon** counting...

Two-

http://uu.diva-portal.org/smash/record.jsf?pid=diva2:71076**photon**excitation and time-resolved fluorescence: I. The proper response function for analysing single-**photon**counting ...##### OSA | Influence of two-**photon** absorption on soliton self-frequency shift

Example: (

https://www.osapublishing.org/josab/abstract.cfm?uri=josab-29-3-484**photons**AND downconversion) - pump [search contains both "**photons**" and "downconversion" but not "pump"] ... Used Values of the Nonlinearity and Two-**Photon**Absorption for a As. 2. Se. 3. Chalcogenide Fiber by Nguyen et al.. [31]. λ. (nm ... Influence of two-**photon**absorption on soliton self-frequency shift Henrik Steffensen, Christian Agger, and Ole Bang ... Henrik Steffensen, Christian Agger, and Ole Bang, "Influence of two-**photon**absorption on soliton self-frequency shift," J. Opt ...##### Two-**photon** absorption in solution by means of time-dependent density-functional theory and the polarizable continuum model

... ... A set of prototypical two-

http://kth.diva-portal.org/smash/record.jsf?pid=diva2:332939**photon**(TP) chromophores has been selected and analyzed: a pure pi system (t-stilbene) and its ... We present the first study of two-**photon**absorption (TPA) of solvated molecules based on direct evaluation of TPA cross ... The data have been analyzed to evaluate how the structural and environmental parameters contribute to the final two-**photon**...##### Edge-Preserving Filtering of Images with Low **Photon** Counts - IEEE Journals & Magazine

Edge-preserving filters such as local M-smoothers or bilateral filtering are usually designed for Gaussian noise. This paper investigates how these filters

http://ieeexplore.ieee.org/document/4429181/authors?reload=true##### iPhone Software to Calculate Gamma / X-Ray **Photon** Attenuation

... x-ray

http://www.blackcatsystems.com/iphone/photon_calc.html**photons**, fluorescence and edge energies, and allows you to calculate the transmission and attenuation for an arbitrary ...**Photon**Calc is an iPhone app that displays cross sections for gamma / ...**Photon**Calc iPhone Software to Calculate Gamma / X-Ray**Photon**Attenuation.**Photon**Calc displays cross sections for gamma / x- ...**Photon**Calc. Rad Map Tracker. RF Link Calc. SelCall Tone Gen. Sound Byte. Sound Byte Control. Spectrum Pad. SWBC Schedules. ...##### Randomized Comparison of Proton and Carbon Ion Radiotherapy With Advanced **Photon** Radiotherapy in Skull Base Meningiomas: The...

Experimental: Hypofractionated

https://clinicaltrials.gov/ct2/show/NCT01795300?term=cns+proton+therapy&rank=8**Photon**Therapy Treatment Schedule**Photon**Radiation 3 Gy E Total Dose 45 Gy E, 15 fractions, 3 Gy ... Active Comparator: Conventional**Photon**Radiotherapy Treatment Schedule**Photon**Radiation 1.8 Gy E Total Dose 57.6 Gy Gy E, 32 ... Radiation: Hypofractionated**Photon**Radiotherapy Treatment Planning for**Photon**Radiotherapy will be performed using the Planning ... Radiation: Conventional**Photon**Radiotherapy Treatment Planning for**Photon**Radiotherapy will be performed using the Planning ...##### OSA | Convolution picture of the boundary conditions in **photon** migration and its implications in time-resolved optical imaging...

Example: (

https://www.osapublishing.org/josaa/abstract.cfm?uri=josaa-14-1-280**photons**AND downconversion) - pump [search contains both "**photons**" and "downconversion" but not "pump"] ...**Photon**migration at short times and distances and in cases of strong absorption D. J. Durian and J. Rudnick. J. Opt. Soc. Am. A ...**Photon**migration through a turbid slab described by a model based on diffusion approximation. I. Theory Daniele Contini, ... Convolution picture of the boundary conditions in**photon**migration and its implications in time-resolved optical imaging of ...##### Single **photon**, timing jitter, reduced indistinguishability? | Physics Forums - The Fusion of Science and Community

As I undertand it, if one put a

https://www.physicsforums.com/threads/single-photon-timing-jitter-reduced-indistinguishability.789973/**photon**detector before a single emitter, the time it detects a**photon**is random and subject to ... I can understand that 'the prerequisite for observing two-**photon**interference is of course that the two**photons**must overlap at ... Similar Discussions: Single**photon**, timing jitter, reduced indistinguishability? * Single**photon**interference time threshold ( ... if one put two single**photon**detectors right before the two emitters, they seem to emit**photons**at random, uncorrelated and in ...##### OSA | Uncoupling Spectral Region in Two-Dimensional Square Lattice Photonic Crystals

Example: (

https://www.osapublishing.org/josk/abstract.cfm?uri=josk-7-1-34**photons**AND downconversion) - pump [search contains both "**photons**" and "downconversion" but not "pump"] ...##### Two-**Photon** Absorption and Photorefraction in Semiconductors and Ferroelectrics

Contrary to bulk GaAs, a large value of the third order optical susceptibility is predicted ,i>just below,/i> the two-

http://publications.lib.chalmers.se/publication/1381-two-photon-absorption-and-photorefraction-in-semiconductors-and-ferroelectrics**photon**... It is shown that the transmittance change of a weak probe by pump-induced two-**photon**absorption follows a temporal correlation ... p> We have also theoretically and experimentally investigated time-resolved two-**photon**absorption in bulk GaAs and Ga-doped ... Two-**photon**absorption spectra of Al,sub>0.4,/sub>Ga,sub>0.6,/sub>As/GaAs quantum wells in static electric fields are ...##### OSA | Low optical power reference detector implemented in the validation of two independent techniques for calibrating **photon**...

Correlated

https://www.osapublishing.org/oe/abstract.cfm?URI=oe-19-21-20347**Photons**. Relative. Uncertainty. Conventional. Relative. Uncertainty. Discrepancy. (Correlated**photons**- conventional ... Correlated**Photons**. Relative. Uncertainty. Conventional. Relative. Uncertainty. Discrepancy. (Correlated**photons**- conventional ... Example: (**photons**AND downconversion) - pump [search contains both "**photons**" and "downconversion" but not "pump"] ... High accuracy verification of a correlated-**photon**-based method for determining**photon**-counting detection efficiency Sergey V. ...##### Electrons Absorbing **Photons** - Extra Energy | Physics Forums - The Fusion of Science and Community

a

https://www.physicsforums.com/threads/electrons-absorbing-photons-extra-energy.702785/**photon**is absorbed by an atom causing it to be excited and an electron moves to a higher energy state.**photons**will only be ... Okay, so when a**photon**travels near an electron orbiting some atom, the electron then absorbs the**photon**(given that it has ... So you are saying that if it takes 1J to move an electron up an energy level, and a**photon**comes along that has 1.1J of energy ... and you are correct the energy is released in the form of another**photon**of the EXACT same energy as the original due to ...##### **Photons**, Universes, Etc. - Built on Facts

Turns out that in fact many of the "classic" demonstrations of the

http://scienceblogs.com/builtonfacts/2008/11/14/photons-universes-etc/**photon's**existence in fact don't require the**photon**as an ... Regarding**photons**, a great deal of physics is taught as if there is only one way of interpreting the mathematics. But there are ... I posted this in the comments on my blog, but here is a great paper about**photons**. I think it gives a good perspective on the ... So why use**photons**at all, especially since they're not "particles" in the usual sense and don't really even have wavefunctions ...##### Science: Can **photons** travel 'faster than light'? | New Scientist

... they cannot undergo two-loop processes that involve the excluded virtual

https://www.newscientist.com/article/mg12617112-900-science-can-photons-travel-faster-than-light/**photons**. One would expect that the**photons**would spend ... They would have to measure as precisely as possible the time a**photon**is emitted by a source and then absorbed by a detector. ... For**photons**travelling perpendicularly between plates separated by 1 micrometre, the speed of light is increased by about one ... Now, however, a physicist in East Germany claims that**photons**may be able to break this universal speed limit, known as c. The ...##### RocketTheme - Joomla Templates - **Photon**

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##### Single **Photon** System

A single

http://www.innovations-report.com/html/reports/technology-offerings/single-photon-system-202066.html**photon**system consists of an excitation source, for example a laser, a single**photon**emitter and components collecting ... very compact single**photon**system, where the propagation direction of the emitted single**photons**corresponds to the propagation ... fiber integrated single**photon**source,/li, ,li,nano-/ microscopic single**photon**emitter,/li, ,li,operating at room temperature ... Usually the propagation direction of the single**photons**is opposite to the propagation direction of the optical pump radiation ...##### Topics: **Photons**

... mphoton , 6 10 16 eV/c2 ≈ 4 10 51 kg, from Earth's B; 1994, mphoton , 3 10 27 eV/c2 [?]; 1998, mphoton , 7 10 17 eV/c2, from ... Related particles: see Notoph; Paraphoton;

http://www.phy.olemiss.edu/~luca/Topics/part/photon.html**photon**phenomenology [dark**photon**]..**Photon**States. @ Wave function: Inagaki PRA(98 ... N-**photon**states: Bertet et al PRL(02) [2-**photon**]; Brown et al PRA(03)qp/02; Czachor PLA(03)qp/02; Ou PRA(06)qp [temporal ...**Photons**. In General , s.a. electromagnetism; history of quantum physics; light;**photon**phenomenology [propagation and effects ...Download our free solidary book to support research on VHL disease