Integrated atom detector: Single atoms and photon statistics
... used to excite the atoms in a small detection region; the fluorescence photons are selectively collected from this small volume by a standard gradient-index multimode fiber with low mode dispersion, and numerical aperture 共NA兲 of 0.275, mounted at an angle of 90° 关Fig. 1共b兲兴 to reduce stray light.2 ...
... used to excite the atoms in a small detection region; the fluorescence photons are selectively collected from this small volume by a standard gradient-index multimode fiber with low mode dispersion, and numerical aperture 共NA兲 of 0.275, mounted at an angle of 90° 关Fig. 1共b兲兴 to reduce stray light.2 ...
Optical Coherence Tomography as a diagnostic tool
... utilizing a technique known as low-coherence interferometry. An interference signal arises when the optical pathlength difference between the two arms of a Michelson interferometer is within the coherence length of the source. Hence, the axial resolution in OCT is proportional to the temporal cohere ...
... utilizing a technique known as low-coherence interferometry. An interference signal arises when the optical pathlength difference between the two arms of a Michelson interferometer is within the coherence length of the source. Hence, the axial resolution in OCT is proportional to the temporal cohere ...
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... at r, hsrdyf1 2 ivtsrdg represents the demodulation and phase shift that are due to the strength and lifetime of the f luorphore, and vGsrd 2 r, kl2 dyD l2 v expsikl2 jrd 2 rjdy4pD l2 jrd 2 rj represents the demodulation and phase shift that are due to passage of the reradiated wave from r to the ...
... at r, hsrdyf1 2 ivtsrdg represents the demodulation and phase shift that are due to the strength and lifetime of the f luorphore, and vGsrd 2 r, kl2 dyD l2 v expsikl2 jrd 2 rjdy4pD l2 jrd 2 rj represents the demodulation and phase shift that are due to passage of the reradiated wave from r to the ...
Canonical and singular propagation of ultrashort pulses in a
... electromagnetic fields can be reduced by asymptotic analysis to an equation for the dominant electric field in which all wavelength (short, μm) scales have been removed, essentially by averaging over wavelength scales. We call the reduced equation RUPPE. In RUPPE, the electric field varies over dist ...
... electromagnetic fields can be reduced by asymptotic analysis to an equation for the dominant electric field in which all wavelength (short, μm) scales have been removed, essentially by averaging over wavelength scales. We call the reduced equation RUPPE. In RUPPE, the electric field varies over dist ...
Investigation of Rb D1 Atomic Lines in Strong Magnetic Fields by
... technique, the subDoppler spectral resolution can also be achieved using centimeterlong cells (when the parameters are properly chosen, it is possible to obtain peaks of reduced absorption with a width close to the natural width of ~6 MHz). In [9, 10], the SA tech nique was used to study spectra ...
... technique, the subDoppler spectral resolution can also be achieved using centimeterlong cells (when the parameters are properly chosen, it is possible to obtain peaks of reduced absorption with a width close to the natural width of ~6 MHz). In [9, 10], the SA tech nique was used to study spectra ...
Section 1 Bohr`s Model of the Atom: Practice Problems
... precisely known momentum at the same time. The Bohr orbits would require both these quantities. 17. Pumping Atoms Explain whether green light could be used to pump a red laser. Why could red light not be used to pump a green laser? SOLUTION: Yes; green photons have enough energy to excite atoms in ...
... precisely known momentum at the same time. The Bohr orbits would require both these quantities. 17. Pumping Atoms Explain whether green light could be used to pump a red laser. Why could red light not be used to pump a green laser? SOLUTION: Yes; green photons have enough energy to excite atoms in ...
Digital High-Speed Optical Systems Interconnections for
... procedure described in Reference 10. The width of the rransponed region was about 0.2 pm with a nominal ac~ tive-region width of 1.5 J.1ffi, and the laser wafer was thinned to a thickness of 75 ,urn. The ohmic contactS to the n-type: and p--type regions were Au-Sn and Au-Zn, respectively. The contac ...
... procedure described in Reference 10. The width of the rransponed region was about 0.2 pm with a nominal ac~ tive-region width of 1.5 J.1ffi, and the laser wafer was thinned to a thickness of 75 ,urn. The ohmic contactS to the n-type: and p--type regions were Au-Sn and Au-Zn, respectively. The contac ...
Communication: creation of molecular vibrational motions via the
... Current state-of-the-art experiments allow for an impressive control of the rotational state of molecules, e.g., leading to strong alignment or even orientation of molecules.11–17 Prior to and in parallel with the experimental demonstrations, a number of theoretical works have been published.18–26 T ...
... Current state-of-the-art experiments allow for an impressive control of the rotational state of molecules, e.g., leading to strong alignment or even orientation of molecules.11–17 Prior to and in parallel with the experimental demonstrations, a number of theoretical works have been published.18–26 T ...
What you will need to remember from year 10…
... When light hits the boundary the angle of incidence is greater than the critical angle and so is _______ reflected from one end to the other, making it possible to send ____ chunks of information Optical fibres can be used for _________ by sending electrical signals through the cable. The main advan ...
... When light hits the boundary the angle of incidence is greater than the critical angle and so is _______ reflected from one end to the other, making it possible to send ____ chunks of information Optical fibres can be used for _________ by sending electrical signals through the cable. The main advan ...
Two-Beam Interference Equation Interferometric optical testing is
... Plate beamsplitters are similar to cube beamsplitters in that they divide the amplitude of the incident light and can be made to split the light by polarization or by any desired ratio. One surface is usually AR coated, while the other has the coating to split the beam. Plate beamsplitters can be us ...
... Plate beamsplitters are similar to cube beamsplitters in that they divide the amplitude of the incident light and can be made to split the light by polarization or by any desired ratio. One surface is usually AR coated, while the other has the coating to split the beam. Plate beamsplitters can be us ...
Optical refrigeration to 119 K, below National Institute of Standards
... the process of anti-Stokes fluorescence [1–3], when the average emission energy exceeds the excitation energy. The energy difference is extracted from the phonon modes of that solid, resulting in cooling of the lattice. Since the first observation of laser cooling of ytterbiumion-doped glass in 1995 ...
... the process of anti-Stokes fluorescence [1–3], when the average emission energy exceeds the excitation energy. The energy difference is extracted from the phonon modes of that solid, resulting in cooling of the lattice. Since the first observation of laser cooling of ytterbiumion-doped glass in 1995 ...
Example - international journal of Terahertz Science and
... communities because of dramatic size-dependent effects. As the physical dimensions of NPs approach molecular dimensions, quantization effects become important and many bulk properties become size-dependent. The most well documented example is that the bandgap increases as the particle size decreases ...
... communities because of dramatic size-dependent effects. As the physical dimensions of NPs approach molecular dimensions, quantization effects become important and many bulk properties become size-dependent. The most well documented example is that the bandgap increases as the particle size decreases ...
Quantum manipulation on the Barium quadrupolar transition
... This quote of Erwin Schrödinger dates back to the year 1952 and it highlights how big the development in experimental quantum physics has been within the last nearly 60 years. While then it was not even imaginable, nowadays it is not only possible to experiment with individual atoms, but it is a com ...
... This quote of Erwin Schrödinger dates back to the year 1952 and it highlights how big the development in experimental quantum physics has been within the last nearly 60 years. While then it was not even imaginable, nowadays it is not only possible to experiment with individual atoms, but it is a com ...
Bright source of cold ions for surface-electrode traps
... 关22,25–27兴. However, the loading rate R for microfabricated traps remains relatively low 共R ⬍ 1 s−1 关11兴兲, while chargeexchange collisions make it difficult to prepare large, isotopically pure samples even in macroscopic traps with R ⬃ 100 s−1 关26兴. In this Rapid Communication, we demonstrate that l ...
... 关22,25–27兴. However, the loading rate R for microfabricated traps remains relatively low 共R ⬍ 1 s−1 关11兴兲, while chargeexchange collisions make it difficult to prepare large, isotopically pure samples even in macroscopic traps with R ⬃ 100 s−1 关26兴. In this Rapid Communication, we demonstrate that l ...
Experience with optical partial discharge detection M. M ,
... The camera has two representation channels and contains an UV sensitive channel for the corona discharge and the second within the visible range for the admission of the environment. Both images are superposed and result in a video picture (Fig. 2). B. Surface discharge “inside” the equipment. If a ...
... The camera has two representation channels and contains an UV sensitive channel for the corona discharge and the second within the visible range for the admission of the environment. Both images are superposed and result in a video picture (Fig. 2). B. Surface discharge “inside” the equipment. If a ...
Cost-effective optical coherence tomography spectrometer based on
... spectrometer towards smaller size and higher efficiency to achieve better optical performance and higher imaging speed. In the current setup the detection probe is the limiting component rather than the detection side. Even without further optical optimization the device can be fitted into a 200×60× ...
... spectrometer towards smaller size and higher efficiency to achieve better optical performance and higher imaging speed. In the current setup the detection probe is the limiting component rather than the detection side. Even without further optical optimization the device can be fitted into a 200×60× ...
douglas c. giancoli
... Delhi Mexico City São Paulo Sydney Hong Kong Seoul Singapore Taipei Tokyo ...
... Delhi Mexico City São Paulo Sydney Hong Kong Seoul Singapore Taipei Tokyo ...