Intensity Modulation
Photonic crystal cavity-based intensity modulation for integrated optical frequency comb generation
... all-optical intensity modulators, as shown in Figure ...all-optical modulation has been studied in great detail by different research groups [12–15], which has led to a rich and common understanding of the ...
11
Measurement of the polarization profile across a surface stabilized ferroelectric liquid crystal cell using the pyroelectric laser intensity modulation method
... There are two experimental methods that are most fre- quently used for measuring the spontaneous polarization of ferroelectric liquid crystal 共 FLC 兲 materials. These are the reversal polarization current method using ...
6
Suitable Combination of Direct Intensity Modulation and Spreading Sequence for LIDAR with pulse coding
... of modulation techniques wth fixed pulse width are based on various parameters, such as bandwidth occupancy, distortion, SNR, suitability for transmission channels, and error ...time modulation techniques ...
17
Statistical Planetary Period Oscillation Signatures in Saturn's UV Auroral Intensity
... PPO-induced modulation of the Kronian aurora to a significant extent, as this continuous modulation is superimposed on local time asymmetries in the auroral emission pattern, as well as with transient ...
39
The orientation dependent visual spatial cut off frequency in a spider
... temporal intensity changes at a single receptor, a difference between the two orientations has to be expected because of the aspect ratio of the receptors, which are also larger in the vertical direction than in ...
7
Research on Spectral Polarization Imaging Technique
... tensity modulation adding with double refraction crystal ...static intensity mod- ulation consists of two retarders and one ...static intensity modulation is deduced in detail and is simulated ...
5
Speed dependent modulation of wing muscle recruitment intensity and kinematics in two bat species
... We hypothesized that the two species we studied would use similar strategies for modulating wing flexion – extension with respect to flight speed. Our results ran counter to this expectation and appear related to the ...
10
RADIO OVER FIBER TECHNOLOGY USING ELECTRO-ABSORPTION MODULATION
... analog modulation of the laser where the radio frequency signal modulates the laser and thus there is intensity modulation of the ...the intensity of the laser will be directly proportional to ...
9
Rotation of two trapped microparticles in vacuum : observation of optically mediated parametric resonances
... We demonstrate trapping and rotation of two meso- scopic particles in vacuum using a spatial light modu- lator based approach to trap more than one particle, in- duce controlled rotation of individual particles and me- ...
5
Open-path, quantum cascade-laser-based sensor for high-resolution atmospheric ammonia measurements
... Voigt lineshape function for absorption feature i, a function of temperature, pressure and wavenumber υ(t ). This signal is multiplied by a reference signal at the nth harmonic and passed through a virtual lock-in ...
13
Gravitational Waves in Newton’sG ravitation and Criticism ofG ravitational W avesR esulting from the General Theory of Relativity (LIGO)
... The case in which the observer rotates is qualitatively different from the case shown in Chapter 2, where the two bodies rotate around each other. In this case, the gravitational wave does not propagate in a space where ...
20
Effective ultrasonic virtual sources which can be positioned independently of physical aperture focus positions
... Because both virtual sources obtained using the new viewpoint can be dealt with as a point acoustic source, it is also expected that the lateral resolution will be higher than those of the other virtual sources or ...
15
Photoacoustic for Oral Soft Tissue Imaging based on Intensity Modulated Continuous-Wave Diode Laser
... Despite its advantages of compact size, low cost, and high efficiency, one drawback of diode laser as the excitation source in CW photoacoustic technique is limited intensities of light allowed to be used in this method ...
6
Calibration-free WMS using a cw-DFB-QCL, a VCSEL, and an edge-emitting DFB laser with in-situ real-time laser parameter characterization
... current modulation amplitude could be increased only up to the point where instantaneous current input to the laser does not exceed the maximum current limit of the ...low modulation frequency of 8 kHz in ...
18
Investigation of the pulse time modulation techniques for transmission of wideband signals
... source and allows routing through logic circuits and switching nodes in a network. PTM scheme requires no coding and can be realised by a simple circuit structure. Moreover, it also offers much improved signal-to-noise ...
300
Conditioned pain modulation in drug-naïve patients with de novo Parkinson’s disease
... The intensity of the condi- tioning stimulus was rated once in the middle of the cold pressor task (= after TS 9, block II) using a VAS presented on a computer screen with the same endpoint labels 0 = “no ...
9
Improved Protein Transfer Efficiency and Signal Intensity in BlotMan Using Pulse Width Modulation
... BlotMan consists of three main components: a protein transfer unit, a controller unit, and a smart phone (Figure 1(a)). The protein transfer unit consists of a multi-anode board and a cathode board (Figure 1(b)). The ...
11
Analysis Of Material Stiffness Effect Against Nonlinear Acoustic Wave Modulation Intensity-Simulation
... While, non linear acoustic is to review, evaluate and analyze the relationship between material stiffness with nonlinear acoustic. In this situation, two different properties of structure will be placed elasticity ...
24
Probing short range magnetic order in a geometrically frustrated magnet by means of the spin Seebeck effect
... Bohr magneton, respectively. The vectors ˆ r denote unit vec- tors along the direction from site jα to site lβ . An example of the calculated spin configurations are shown in Fig. 4(c) and (d), with H = 17 kOe applied ...
6
Recovery of absorption line shapes with correction for the wavelength modulation characteristics of DFB lasers
... the intensity and wavelength modulation produced at the DFB laser source and their relative mag- nitude and phase, often described in the literature as the Chirp-to-Power Ratio ...several modulation ...
18