Global measurement of water waves by Fourier transform
... Their method consists on using a pair of sequential images captured by two cameras arranged in stereo position. This method is suitable for the accurate measurement of both small-amplitude waves and surface discontinuities. Recently, Moisy et al. (2008) proposed an optical technique based on digital ...
... Their method consists on using a pair of sequential images captured by two cameras arranged in stereo position. This method is suitable for the accurate measurement of both small-amplitude waves and surface discontinuities. Recently, Moisy et al. (2008) proposed an optical technique based on digital ...
Fine Structure Constant Defines Visual Transparency of Graphene
... To find accurate absolute values of T and G, in the analysis shown in Figs. 1B and S2, we have omitted the part of the transmittance spectra at λ <450 nm, which as discussed above was affected by hydrocarbon contamination. Also, our apparatus noise was somewhat higher in the infrared region so that ...
... To find accurate absolute values of T and G, in the analysis shown in Figs. 1B and S2, we have omitted the part of the transmittance spectra at λ <450 nm, which as discussed above was affected by hydrocarbon contamination. Also, our apparatus noise was somewhat higher in the infrared region so that ...
Fabrication of functional surfaces using ultrashort laser pulse ablation
... with replication methods. It is well known that sufficiently small surface structures reflect and deflect light in a way that can not be handled with geometrical optics. Naturally, when considering materials like metals, only reflected waves are observed. If the periodicity of the structures is in t ...
... with replication methods. It is well known that sufficiently small surface structures reflect and deflect light in a way that can not be handled with geometrical optics. Naturally, when considering materials like metals, only reflected waves are observed. If the periodicity of the structures is in t ...
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Course Descriptions
... channel capacity, modulation and demodulation techniques are introduced. Signaling schemes and performance of binary as well as M-ary modulated digital communication systems are introduced. Overall design considerations and performance evaluation of various digital communication systems are discusse ...
... channel capacity, modulation and demodulation techniques are introduced. Signaling schemes and performance of binary as well as M-ary modulated digital communication systems are introduced. Overall design considerations and performance evaluation of various digital communication systems are discusse ...
Normal-Incidence Photoemission Electron Microscopy (NI
... of the SPP and the laser can then be discussed as three principal cases. For the case of positions like the one marked by “A” in Fig. 4, the fields of the laser pulse and the SPP are always of the same phase, which will result in constructive interference. One will find the largest electron yield at ...
... of the SPP and the laser can then be discussed as three principal cases. For the case of positions like the one marked by “A” in Fig. 4, the fields of the laser pulse and the SPP are always of the same phase, which will result in constructive interference. One will find the largest electron yield at ...
MEMS mirrors - Hamamatsu Photonics
... drive current characteristics of the S12237-03P. The relationship between the optical deflection angle and drive current can be approximated by a straight line. From the graph that connects the minimum and maximum drive currents with a straight line, the current for a given deflection angle can be c ...
... drive current characteristics of the S12237-03P. The relationship between the optical deflection angle and drive current can be approximated by a straight line. From the graph that connects the minimum and maximum drive currents with a straight line, the current for a given deflection angle can be c ...
21.pdf
... is the 共111兲 plane of the first crystal instead of the flat glass substrate as for the first crystal. This change in the substrate quality will influence the growth of the second crystal. The increased roughness of the initial PhC compared to the bare substrate will introduce disorder and defects ot ...
... is the 共111兲 plane of the first crystal instead of the flat glass substrate as for the first crystal. This change in the substrate quality will influence the growth of the second crystal. The increased roughness of the initial PhC compared to the bare substrate will introduce disorder and defects ot ...
Lithography Lecture #1
... Mask —Pattern (or direct) energy to create an aerial image of mask in resist Aligner —Align mask to previous patterns on wafer (to a tolerance level) Resist —Transfer image from mask to wafer, After development Positive resist reproduces the mask pattern, Negative resist reproduces inverse mask patt ...
... Mask —Pattern (or direct) energy to create an aerial image of mask in resist Aligner —Align mask to previous patterns on wafer (to a tolerance level) Resist —Transfer image from mask to wafer, After development Positive resist reproduces the mask pattern, Negative resist reproduces inverse mask patt ...
Sodium vapor cell laser guide star experiments for continuous wave
... version of the unshifted beam, producing a beat note at the offset frequency with an RF bandwidth twice the optical linewidth of the beam. With this method, the optical linewidth of a single-mode laser can be measured in the electric domain with a RF spectrum analyzer. The implementation of this tec ...
... version of the unshifted beam, producing a beat note at the offset frequency with an RF bandwidth twice the optical linewidth of the beam. With this method, the optical linewidth of a single-mode laser can be measured in the electric domain with a RF spectrum analyzer. The implementation of this tec ...
The Fresnel Coefficients - The Society of Vacuum Coaters
... experimental demonstration of the validity of the Fresnel expressions, then, it was important that the absolute expressions should be verified. Measurements that had been made by others in transmission accorded with the theory but were not strictly measurements of reflectance. For transparent bodies ...
... experimental demonstration of the validity of the Fresnel expressions, then, it was important that the absolute expressions should be verified. Measurements that had been made by others in transmission accorded with the theory but were not strictly measurements of reflectance. For transparent bodies ...
Construction of a femtosecond mode
... There are several methods by which pulsed output can be generated, for example Qswitching and mode-locking [7]. By now the most advanced technique for ultarshort pulse generating is Kerr-lens mode- locking in solid-state lasers. This technique can provide sub-10 fs lasing and does not require very c ...
... There are several methods by which pulsed output can be generated, for example Qswitching and mode-locking [7]. By now the most advanced technique for ultarshort pulse generating is Kerr-lens mode- locking in solid-state lasers. This technique can provide sub-10 fs lasing and does not require very c ...
Ultralow-Noise SiN Trampoline Resonators for
... mass. The cross section of the wafer [lower image of Fig. 1(a), also faintly visible from above] results from the minimum anisotropic KOH etch required to cut a clear-shot window through the silicon. This choice minimizes the region of overhanging nitride (iii), a known source of mechanical dissipat ...
... mass. The cross section of the wafer [lower image of Fig. 1(a), also faintly visible from above] results from the minimum anisotropic KOH etch required to cut a clear-shot window through the silicon. This choice minimizes the region of overhanging nitride (iii), a known source of mechanical dissipat ...
Beam Path Conditioning for High
... Temperature gradients are the most common cause of wavefront errors in beam path conditioning systems, and system designers attempt to reduce the gradients that create these phase errors. The refractive index of gases is typically close to unity, with a small increment above unity proportional to th ...
... Temperature gradients are the most common cause of wavefront errors in beam path conditioning systems, and system designers attempt to reduce the gradients that create these phase errors. The refractive index of gases is typically close to unity, with a small increment above unity proportional to th ...
HIGH - Electrical and Computer Engineering
... radio frequency (RF) phase shifters, and analog/digital microwave links [1], [2]. They are also attractive as an external modulator in wavelength division multiplexing (WDM) fiber-optic telecommunication systems [3]. Recently, electrooptic (EO) polymers attracted extensive attention due to their adv ...
... radio frequency (RF) phase shifters, and analog/digital microwave links [1], [2]. They are also attractive as an external modulator in wavelength division multiplexing (WDM) fiber-optic telecommunication systems [3]. Recently, electrooptic (EO) polymers attracted extensive attention due to their adv ...
Practical uses of femtosecond laser micro
... The same experiment was done in the femtosecond regime with fluences sufficient to ionize the air. The fluence of the laser was increased by reducing the beam spot size from 100 to 75 µm. We compare the femtosecond laser ablation of the two silicate glasses below and above the air ionization thresho ...
... The same experiment was done in the femtosecond regime with fluences sufficient to ionize the air. The fluence of the laser was increased by reducing the beam spot size from 100 to 75 µm. We compare the femtosecond laser ablation of the two silicate glasses below and above the air ionization thresho ...
High luminance hybrid light guide plate for
... monitors, LCDs have the advantages of low power consumption, long life, and small size, so LCDs are widely used in miscellaneous products, such as computer monitors, cell phones, and televisions. Since the LCD is a non-spontaneous emission display device, an external light source is necessary for th ...
... monitors, LCDs have the advantages of low power consumption, long life, and small size, so LCDs are widely used in miscellaneous products, such as computer monitors, cell phones, and televisions. Since the LCD is a non-spontaneous emission display device, an external light source is necessary for th ...
paper
... result in a rotation of the plane of polarization due to the elasto-optic effect. ' Also, we found that the fiber showed a negligibly small linear birefringence as lang as the fiber was wound smoothly on a large enough diameter. s In order to form a closed path in momentum or k space, ' the propagat ...
... result in a rotation of the plane of polarization due to the elasto-optic effect. ' Also, we found that the fiber showed a negligibly small linear birefringence as lang as the fiber was wound smoothly on a large enough diameter. s In order to form a closed path in momentum or k space, ' the propagat ...
