Article
... management. Both WDM- and TDM-based schemes are limited in scalability of the number of users by the number of available wavelengths and the number of time slots, respectively. On the other hand, the number of users in a WHTS OCDMA network has a soft limit with a graceful degradation of performance ...
... management. Both WDM- and TDM-based schemes are limited in scalability of the number of users by the number of available wavelengths and the number of time slots, respectively. On the other hand, the number of users in a WHTS OCDMA network has a soft limit with a graceful degradation of performance ...
Julie Cass - Stanford University
... the image plane such that it meets the target values as closely as possible. Figure 3c displays the resulting 3D plot when the GENC merit function was used to constrain the greatest possible amount of beam energy to the smallest possible radius at the image plane. This technique for image focus, onc ...
... the image plane such that it meets the target values as closely as possible. Figure 3c displays the resulting 3D plot when the GENC merit function was used to constrain the greatest possible amount of beam energy to the smallest possible radius at the image plane. This technique for image focus, onc ...
Light, Matter, and the basics - Purdue University Cytometry
... Steradian (sphere radius r has surface area of 4 r2; one steradian is defined as that solid angle which intercepts an area equal to r2 on the surface. Mole - contains Avogadro's number of molecules (6.02 x 1023) and contains a mass in grams = molecular weight. Photons - light particles - waves - Ph ...
... Steradian (sphere radius r has surface area of 4 r2; one steradian is defined as that solid angle which intercepts an area equal to r2 on the surface. Mole - contains Avogadro's number of molecules (6.02 x 1023) and contains a mass in grams = molecular weight. Photons - light particles - waves - Ph ...
Modern IR diode lasers enable novel photoacoustic sensors
... Currently, the US army is using ion-mobility-spectrometrybased products to assess threats. While they are useful for certain applications, they have limitations, including poor specificity and little adaptability in combination with other chemical systems. We are studying photoacoustic spectroscopy ...
... Currently, the US army is using ion-mobility-spectrometrybased products to assess threats. While they are useful for certain applications, they have limitations, including poor specificity and little adaptability in combination with other chemical systems. We are studying photoacoustic spectroscopy ...
Optically induced forces in scanning probe microscopy
... may be measured largely limited only by the imagination and ingenuity of the researcher. As a result, forces such as chemical, biological, magnetic and electrostatic are routinely measured [1–4]. Because SPMs are essentially interaction microscopies, understanding the phenomenology of the interactio ...
... may be measured largely limited only by the imagination and ingenuity of the researcher. As a result, forces such as chemical, biological, magnetic and electrostatic are routinely measured [1–4]. Because SPMs are essentially interaction microscopies, understanding the phenomenology of the interactio ...
Interface between path and orbital angular momentum
... inset). Thus, behind the lens, a parallel beam emerges with a phase profile given by the position of the slit relative to the optical axis. That phase distribution can be adjusted to be a multiple of 2p by adjusting the lateral position of the slit. A subsequent MS in reverse transforms the state’s a ...
... inset). Thus, behind the lens, a parallel beam emerges with a phase profile given by the position of the slit relative to the optical axis. That phase distribution can be adjusted to be a multiple of 2p by adjusting the lateral position of the slit. A subsequent MS in reverse transforms the state’s a ...
Electrons in Atoms CHAPTER
... Although the speed of all electromagnetic waves is the same, waves may have different wavelengths and frequencies. As you can see from the equation above, wavelength and frequency are inversely related; in other words, as one quantity increases, the other decreases. To better understand this relatio ...
... Although the speed of all electromagnetic waves is the same, waves may have different wavelengths and frequencies. As you can see from the equation above, wavelength and frequency are inversely related; in other words, as one quantity increases, the other decreases. To better understand this relatio ...
Guiding and Confining Light in Void Nanostructure
... presents optical properties similar to those of the TM eigenmode in the studied slab-based slot-waveguide structure. We numerically simulated the quasi-TE eigenmode of the slot-waveguide structure shown in Fig. 1(b) using a full-vectorial finite difference mode solver [12]. Non-uniform grid mesh is ...
... presents optical properties similar to those of the TM eigenmode in the studied slab-based slot-waveguide structure. We numerically simulated the quasi-TE eigenmode of the slot-waveguide structure shown in Fig. 1(b) using a full-vectorial finite difference mode solver [12]. Non-uniform grid mesh is ...
Terahertz wave imaging: horizons and hurdles
... including imaging of cellular structures. There is, therefore, widespread interest in techniques to improve the spatial resolution of T-ray imaging. Near-field imaging can greatly improve the spatial resolution of T-ray sensing and imaging systems. Initial experiments demonstrated 110 µm and 232 µm ...
... including imaging of cellular structures. There is, therefore, widespread interest in techniques to improve the spatial resolution of T-ray imaging. Near-field imaging can greatly improve the spatial resolution of T-ray sensing and imaging systems. Initial experiments demonstrated 110 µm and 232 µm ...
Engineering nonlinearities in nanoscale optical systems
... 1.2. Scope of This Review Our review is organized as follows: first, the optical properties of SPWs are reviewed in Section 2, including methods for dispersion engineering of these tightly confined waveguides and their limitations. In Section 3, a discussion of the basic nonlinear optical response ...
... 1.2. Scope of This Review Our review is organized as follows: first, the optical properties of SPWs are reviewed in Section 2, including methods for dispersion engineering of these tightly confined waveguides and their limitations. In Section 3, a discussion of the basic nonlinear optical response ...
Application of Fast Light in Gravitational Wave Detection with ... In this paper, we study several designs for interferometric...
... order to detect weaker sources of GW. Furthermore, more sensitive detectors may make the detection of GWs much easier as an engineering project, possibly using configurations that are far more compact than the LIGO type systems. We have shown8 both theoretically and experimentally that incorporating ...
... order to detect weaker sources of GW. Furthermore, more sensitive detectors may make the detection of GWs much easier as an engineering project, possibly using configurations that are far more compact than the LIGO type systems. We have shown8 both theoretically and experimentally that incorporating ...
Soliton Self-Frequency Shift Cancellation in
... we launched optical pulses into the PCF. The laser source used in the experiments was a mode-locked Ti:sapphire system emitting 200-fs pulses at a wavelength of 0.86 m. The fiber length was progressively reduced from 4 to 0.5 m, and the output spectrum was recorded for each length with an optical s ...
... we launched optical pulses into the PCF. The laser source used in the experiments was a mode-locked Ti:sapphire system emitting 200-fs pulses at a wavelength of 0.86 m. The fiber length was progressively reduced from 4 to 0.5 m, and the output spectrum was recorded for each length with an optical s ...
