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... functions: (1) replacing a liquid with another liquid inside an optical cavity can easily tune optical new field-optical MEMS. Meanwhile, the advancements of MEMS technologies have also enabled performance or function of the optical cavity; (2) refractive index (RI) gradients can be created by the t ...
... functions: (1) replacing a liquid with another liquid inside an optical cavity can easily tune optical new field-optical MEMS. Meanwhile, the advancements of MEMS technologies have also enabled performance or function of the optical cavity; (2) refractive index (RI) gradients can be created by the t ...
Nanomechanical Motion Transducers for Miniaturized
... context of micro- and nano-optomechanics. An optical cavity enhances the optical field by means of constructive interference, as shown in Figure 2a. Ignoring for the moment the mechanical degree of freedom in the mirror arrangement in Figure 2a, one notices that light waves that enter the cavity und ...
... context of micro- and nano-optomechanics. An optical cavity enhances the optical field by means of constructive interference, as shown in Figure 2a. Ignoring for the moment the mechanical degree of freedom in the mirror arrangement in Figure 2a, one notices that light waves that enter the cavity und ...
Nanomechanical Motion Transducers for Miniaturized
... context of micro- and nano-optomechanics. An optical cavity enhances the optical field by means of constructive interference, as shown in Figure 2a. Ignoring for the moment the mechanical degree of freedom in the mirror arrangement in Figure 2a, one notices that light waves that enter the cavity und ...
... context of micro- and nano-optomechanics. An optical cavity enhances the optical field by means of constructive interference, as shown in Figure 2a. Ignoring for the moment the mechanical degree of freedom in the mirror arrangement in Figure 2a, one notices that light waves that enter the cavity und ...
Department of Physics, Chemistry and Biology
... The attractive shiny metallic colour of some scarab beetles has made them the focus of several investigations. The colours originate from reflection of light on the cuticle [1] and understanding the structural colouration has motivated researches to closer investigate such structures. Back in the ea ...
... The attractive shiny metallic colour of some scarab beetles has made them the focus of several investigations. The colours originate from reflection of light on the cuticle [1] and understanding the structural colouration has motivated researches to closer investigate such structures. Back in the ea ...
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... randomly perturbed; more precisely, the phase, intensity and direction of the laser wave undergo turbulent fluctuations due to random refractive index fluctuations of the medium, which are mainly caused by temperature fluctuations. We assume that the pressure variations in the hot jet spread at very hi ...
... randomly perturbed; more precisely, the phase, intensity and direction of the laser wave undergo turbulent fluctuations due to random refractive index fluctuations of the medium, which are mainly caused by temperature fluctuations. We assume that the pressure variations in the hot jet spread at very hi ...
Computational photography with plenoptic camera and light field
... community [24]. Note that the term “light field” was first used in a translated work on illumination engineering in the 1930s [23,25], but this is not in the sense of an electromagnetic field, which underlines the principles of optics [26]. The value of Lu; v; x; y is the amount of light—known as ...
... community [24]. Note that the term “light field” was first used in a translated work on illumination engineering in the 1930s [23,25], but this is not in the sense of an electromagnetic field, which underlines the principles of optics [26]. The value of Lu; v; x; y is the amount of light—known as ...
Birefringence dispersion in fused silica for DUV lithography
... For measurements at 633nm and 248nm linearly polarized light was produced using Glan Taylor polarizers with a 10 5:1 extinction ratio. A pair of polarizing beam splitter cubes was used for tests at 193nm with a 200:1 extinction ratio. To ensure measurement of the maximum sample birefringence, the in ...
... For measurements at 633nm and 248nm linearly polarized light was produced using Glan Taylor polarizers with a 10 5:1 extinction ratio. A pair of polarizing beam splitter cubes was used for tests at 193nm with a 200:1 extinction ratio. To ensure measurement of the maximum sample birefringence, the in ...
Shaping the focal intensity distribution using spatial coherence
... 共0 , 0 , 0 ; x , 0 , 0 ; 兲 ⬇ 1] and regions where the fields have opposite phases [i.e., 共0 , 0 , 0 ; x , 0 , 0 ; 兲 ⬇ −1]. In between these two regions the spectral degree of coherence exhibits phase singularities [i.e., 共0 , 0 , 0 ; x , 0 , 0 ; 兲 = 0]. The latter points coincide with approxim ...
... 共0 , 0 , 0 ; x , 0 , 0 ; 兲 ⬇ 1] and regions where the fields have opposite phases [i.e., 共0 , 0 , 0 ; x , 0 , 0 ; 兲 ⬇ −1]. In between these two regions the spectral degree of coherence exhibits phase singularities [i.e., 共0 , 0 , 0 ; x , 0 , 0 ; 兲 = 0]. The latter points coincide with approxim ...
The basic purpose of a lens of any kind is to collect the light
... where a, b and c are constant values that define the distortion curve behavior; note that “a” is usually zero as the distortion is usually zero at the image center. In some cases, a third order polynomial could be required to get a perfect fit of the curve. In addition to radial distortion, also tra ...
... where a, b and c are constant values that define the distortion curve behavior; note that “a” is usually zero as the distortion is usually zero at the image center. In some cases, a third order polynomial could be required to get a perfect fit of the curve. In addition to radial distortion, also tra ...
Étendue and spectral resolution
... The finesse is a measure of the spectral resolution that can be achieved with an interferometer for a specified FSR – which is determined by experimental requirements. Ideally the interferometer plates should be illuminated by parallel rays of light and these rays should be in the wedge plane of the ...
... The finesse is a measure of the spectral resolution that can be achieved with an interferometer for a specified FSR – which is determined by experimental requirements. Ideally the interferometer plates should be illuminated by parallel rays of light and these rays should be in the wedge plane of the ...
Direct Characterization of Plasmonic Slot Waveguides
... illumination spot was ∼12 μm). The light, scattered by the tip, was collected by a top parabolic mirror and directed toward a detector, where it was spatially overlapped with an interfering reference beam, yielding both the amplitude and phase of the scattered light via pseudoheterodyne detection.23 ...
... illumination spot was ∼12 μm). The light, scattered by the tip, was collected by a top parabolic mirror and directed toward a detector, where it was spatially overlapped with an interfering reference beam, yielding both the amplitude and phase of the scattered light via pseudoheterodyne detection.23 ...
Correlated diffraction and fluorescence in the backscattering
... The “birdwings” comprise some of the largest butterflies on Earth 关1兴: the wingspan of some of them, such as Ornitopthera alexandrae, can reach 30 cm. The common name of these butterflies, “birdwings,” has most probably been coined after the visual appearance of their wings, where a particular patte ...
... The “birdwings” comprise some of the largest butterflies on Earth 关1兴: the wingspan of some of them, such as Ornitopthera alexandrae, can reach 30 cm. The common name of these butterflies, “birdwings,” has most probably been coined after the visual appearance of their wings, where a particular patte ...
Nonlinear Optics Third Edition
... crucial comments regarding limitations to the maximum size of the intensityinduced refractive-index change are made in Section 4.7. The use of nonlinear optical methods for inducing unusual values of the group velocity of light are discussed briefly in Section 3.8 and in Subsection 6.6.2. Spectrosco ...
... crucial comments regarding limitations to the maximum size of the intensityinduced refractive-index change are made in Section 4.7. The use of nonlinear optical methods for inducing unusual values of the group velocity of light are discussed briefly in Section 3.8 and in Subsection 6.6.2. Spectrosco ...
Cavity Enhanced Reflector Based Hybrid Silicon Laser
... The situation changes completely if a phase shifting section is added. In both waveguides a standing wave pattern is clearly visible due to the interference of forward and backward propagating waves. There is a very pronounced field enhancement in the silicon grating around the phase section (at app ...
... The situation changes completely if a phase shifting section is added. In both waveguides a standing wave pattern is clearly visible due to the interference of forward and backward propagating waves. There is a very pronounced field enhancement in the silicon grating around the phase section (at app ...