Determination of bandwidth and beamwidth of a
... Gas Laser was used. Rhodamine 6G in methanol (R-phrases: 22; S-phrases: 26, 36/37/39) was used as active medium with excitation wavelength of 514 nm or shorter. Spectra were recorded with a spectrometer Trias Series 320, CCD Camera (1024 pixels). Each measurement was performed three times and the ev ...
... Gas Laser was used. Rhodamine 6G in methanol (R-phrases: 22; S-phrases: 26, 36/37/39) was used as active medium with excitation wavelength of 514 nm or shorter. Spectra were recorded with a spectrometer Trias Series 320, CCD Camera (1024 pixels). Each measurement was performed three times and the ev ...
AHS用スキャニングレーザレンジファインダー の試作及びそれを用いた
... ror falls out of the horizontal angular range. At this receiver and the reference threshold voltage. To moment, the laser beam emission is suppressed and measure the elapsed time between the emission and the acquired data starts to be processed. the detection of the laser pulse, at first, a good The ...
... ror falls out of the horizontal angular range. At this receiver and the reference threshold voltage. To moment, the laser beam emission is suppressed and measure the elapsed time between the emission and the acquired data starts to be processed. the detection of the laser pulse, at first, a good The ...
Superresolution size determination in fluorescence microscopy: A
... of the cos2 shaped standing wave field present between the two objective lenses; and z 2 is the position of one maximum 共arbitrarily chosen and then fixed兲 of the previously mentioned standing wave field, (z 2 ⫺z o )/C represents the phase of the standing wave field at the object position. Although ...
... of the cos2 shaped standing wave field present between the two objective lenses; and z 2 is the position of one maximum 共arbitrarily chosen and then fixed兲 of the previously mentioned standing wave field, (z 2 ⫺z o )/C represents the phase of the standing wave field at the object position. Although ...
Aalborg Universitet Slow-plasmon resonant-nanostrip antennas
... Surprisingly enough, at least from the first glance, the phases obtained using the first to third order resonances deviate from one another. This is related to the circumstance that not only the slow SPP fields are incident at strip terminations but also near field and other 共non-SPP兲 propagating fi ...
... Surprisingly enough, at least from the first glance, the phases obtained using the first to third order resonances deviate from one another. This is related to the circumstance that not only the slow SPP fields are incident at strip terminations but also near field and other 共non-SPP兲 propagating fi ...
MONOTONIC TUNING OF PLASMON RESONANCE USING
... LSPR as a sensing modality for detecting molecules of both biological and chemical interest led to the field of surface-enhanced Raman scattering (SERS). The highly sensitivity of SERS is achieved through the strong coupling between the LSPR of substrates, excitation laser and vibrational mode of a ...
... LSPR as a sensing modality for detecting molecules of both biological and chemical interest led to the field of surface-enhanced Raman scattering (SERS). The highly sensitivity of SERS is achieved through the strong coupling between the LSPR of substrates, excitation laser and vibrational mode of a ...
Plasmonic Nanopore for Electrical Profiling of
... landscapes based on a single plasmonic nanopore. The plasmonic nanopore acts as a local light detector by converting local light intensity to heat, which, in turn, is converted to an electrical signal via the ionic conductance of the nanopore. The method is very sensitive due to the strong light abs ...
... landscapes based on a single plasmonic nanopore. The plasmonic nanopore acts as a local light detector by converting local light intensity to heat, which, in turn, is converted to an electrical signal via the ionic conductance of the nanopore. The method is very sensitive due to the strong light abs ...
Looking through walls and around corners with
... (4-f telescope not shown in Fig.1c, see Supplementary Material). The phase-shaped light is then bandpass filtered and focused on a CCD camera by a lens with a focal length f. For a flat-phased SLM, the point source produces a random speckle pattern on the camera (Figs. 1b, 2a). However, the intensit ...
... (4-f telescope not shown in Fig.1c, see Supplementary Material). The phase-shaped light is then bandpass filtered and focused on a CCD camera by a lens with a focal length f. For a flat-phased SLM, the point source produces a random speckle pattern on the camera (Figs. 1b, 2a). However, the intensit ...
Nondegenerate optical Kerr effect in semiconductors
... We use the 2-color Z-scan [7], [16] to measure the nondegenerate n 2 in ZnSe and ZnS. A Q-switched and modelocked Nd:YAG laser is used to generate single tp::::: 83 ps (FWHM) pulses at >. = 1.06 J.Lm as the excitation beam. Simultaneously, the second-harmonic of the same laser at >. = 532 nm serves ...
... We use the 2-color Z-scan [7], [16] to measure the nondegenerate n 2 in ZnSe and ZnS. A Q-switched and modelocked Nd:YAG laser is used to generate single tp::::: 83 ps (FWHM) pulses at >. = 1.06 J.Lm as the excitation beam. Simultaneously, the second-harmonic of the same laser at >. = 532 nm serves ...
Far-field measurement of ultra-small plasmonic mode volume Shuang Zhang, Yong-Shik Park,
... Among various plasmonic designs, optical nano-antennas are of special interest since they are capable of focusing light into a small gap region with nanometer scales in all three dimensions, and can be tailored to operate at various frequency bands [3–7]. Besides their usual antenna functionalities ...
... Among various plasmonic designs, optical nano-antennas are of special interest since they are capable of focusing light into a small gap region with nanometer scales in all three dimensions, and can be tailored to operate at various frequency bands [3–7]. Besides their usual antenna functionalities ...
Far-field measurement of ultra-small plasmonic mode volume Shuang Zhang, Yong-Shik Park,
... Among various plasmonic designs, optical nano-antennas are of special interest since they are capable of focusing light into a small gap region with nanometer scales in all three dimensions, and can be tailored to operate at various frequency bands [3–7]. Besides their usual antenna functionalities ...
... Among various plasmonic designs, optical nano-antennas are of special interest since they are capable of focusing light into a small gap region with nanometer scales in all three dimensions, and can be tailored to operate at various frequency bands [3–7]. Besides their usual antenna functionalities ...
Optical Gain Experiment Manual
... The Variable stripe length Method which has been demonstrated by Shaklee and Leheny in 1971 is a direct measurement of the optical gain. A sample from the active material is pumped by a homogeneous line of a laser beam emitted from high power pulsed laser. The emitted light from the edge of the samp ...
... The Variable stripe length Method which has been demonstrated by Shaklee and Leheny in 1971 is a direct measurement of the optical gain. A sample from the active material is pumped by a homogeneous line of a laser beam emitted from high power pulsed laser. The emitted light from the edge of the samp ...
He-Ne laser -- Optical Resonator
... radiation outside the cavity; therefore, the internal beam is about 100 times more powerful than the output beam. CAUTION: when the cavity is lasing, there will be some radiation transmitted through both ends since the other end also allows some transmisstion. Never look along the optic axis into th ...
... radiation outside the cavity; therefore, the internal beam is about 100 times more powerful than the output beam. CAUTION: when the cavity is lasing, there will be some radiation transmitted through both ends since the other end also allows some transmisstion. Never look along the optic axis into th ...
Diode pumped distributed Bragg reflector lasers
... The MEH-PPV (American Dye Source Inc.) and the Coumarin 102 (Lambda Physik) were first co-dissolved in chlorobenzene in a range of blend ratios, and spin-cast onto fused silica substrates to form films ~100 nm thick. We find that we can form good quality films for a wide range of blend ratios, even ...
... The MEH-PPV (American Dye Source Inc.) and the Coumarin 102 (Lambda Physik) were first co-dissolved in chlorobenzene in a range of blend ratios, and spin-cast onto fused silica substrates to form films ~100 nm thick. We find that we can form good quality films for a wide range of blend ratios, even ...
Nonlinear effects in Silicon Waveguides
... s own duration, the pulse experiences an intensity- and thus time-dependent index. New frequency components are generated and the initial pulse spectrum ...
... s own duration, the pulse experiences an intensity- and thus time-dependent index. New frequency components are generated and the initial pulse spectrum ...
A high numerical aperture (NA = 0.92)
... Our objective lens is designed for fluorescence imaging of cesium atoms at the diffraction limit with a NA of 0.92. Such a NA corresponds to a large photon collection efficiency covering almost 1/3 of the full solid angle, which results in a resolution of 460 nm. The design of the objective lens has ...
... Our objective lens is designed for fluorescence imaging of cesium atoms at the diffraction limit with a NA of 0.92. Such a NA corresponds to a large photon collection efficiency covering almost 1/3 of the full solid angle, which results in a resolution of 460 nm. The design of the objective lens has ...
Full text - Simon Fraser University
... Two-dimensional materials, single-layer crystals of atomic thickness, including graphene and boron nitride, have attracted much interest in the last few decades. When electrons are confined to move in two dimensions, several extraordinary applications arise due to this physical effect. For example, th ...
... Two-dimensional materials, single-layer crystals of atomic thickness, including graphene and boron nitride, have attracted much interest in the last few decades. When electrons are confined to move in two dimensions, several extraordinary applications arise due to this physical effect. For example, th ...
Diffusing-wave spectroscopy in a shear flow
... range of studies of both technological importance and fundamental interest. While a variety of experimental techniques have been employed, various forms of dynamic light scattering (DLS) have become increasingly widely used. Light scattering is both accurate and relatively simple and provides a noni ...
... range of studies of both technological importance and fundamental interest. While a variety of experimental techniques have been employed, various forms of dynamic light scattering (DLS) have become increasingly widely used. Light scattering is both accurate and relatively simple and provides a noni ...
may11-96 as a Word 6.0 doc - Lyle School of Engineering
... of refraction of n1 = 1.5 into a second medium with an index of refraction of n2 = 1.0, a) only the frequency changes, b) only the wavelength changes, c) both the frequency and the wavelength change, and/or d) the frequency and the wavelength both remain the same. Briefly explain your answer: ...
... of refraction of n1 = 1.5 into a second medium with an index of refraction of n2 = 1.0, a) only the frequency changes, b) only the wavelength changes, c) both the frequency and the wavelength change, and/or d) the frequency and the wavelength both remain the same. Briefly explain your answer: ...
Ultrafast adaptive optical near-field control
... 共SNOM兲.1 Surface-enhanced Raman scattering from single molecules is at least partially attributed to the local field enhancement increasing the Raman scattering efficiency.2 The rapidly evolving capabilities of controlled nanostructure fabrication allows extensive tailoring of the optical response, ...
... 共SNOM兲.1 Surface-enhanced Raman scattering from single molecules is at least partially attributed to the local field enhancement increasing the Raman scattering efficiency.2 The rapidly evolving capabilities of controlled nanostructure fabrication allows extensive tailoring of the optical response, ...
Optical Cavity for the Strontium Lattice Atomic Clock
... was barely recognizable from the immense amount of noise. However, with better modematching, cleaner transmission peaks and therefore a better PDH signal were achieved. Although the current quality of mode-matching is acceptable, it is still possible to suppress the higher order modes, that is, the ...
... was barely recognizable from the immense amount of noise. However, with better modematching, cleaner transmission peaks and therefore a better PDH signal were achieved. Although the current quality of mode-matching is acceptable, it is still possible to suppress the higher order modes, that is, the ...
Physical Optics and Diffraction
... Most of the light from a distant source falls within the Airy disc Can use to calculate the diffraction limit of a lens/telescope Two equally bright sources can be resolved only if the radius of the Airy disk is less than their separation, i.e if their angular separation is more ...
... Most of the light from a distant source falls within the Airy disc Can use to calculate the diffraction limit of a lens/telescope Two equally bright sources can be resolved only if the radius of the Airy disk is less than their separation, i.e if their angular separation is more ...
Prediction of photothermal phase signatures from arbitrary
... relevant for nanoparticles suspended in fluid, and as such, they remain stationary within their surrounding medium during measurement time. Heat transfer by convection occurs due to relative movement of two adjacent materials, from which we deduce that omission of heat transfer by convection in this ...
... relevant for nanoparticles suspended in fluid, and as such, they remain stationary within their surrounding medium during measurement time. Heat transfer by convection occurs due to relative movement of two adjacent materials, from which we deduce that omission of heat transfer by convection in this ...
Voltage-dependent conductance states of a single
... loop was disabled and current–time (I(t)) traces were recorded at selected bias voltages. Figure 2(c) shows data for V = 110 mV, which is typical of voltages V < 130 mV. The current is constant indicating that the geometry of the structure is stable. When V exceeds 130 mV, two-level fluctuations of ...
... loop was disabled and current–time (I(t)) traces were recorded at selected bias voltages. Figure 2(c) shows data for V = 110 mV, which is typical of voltages V < 130 mV. The current is constant indicating that the geometry of the structure is stable. When V exceeds 130 mV, two-level fluctuations of ...
Local current distribution and hot spots in the integer quantum... Yonatan Dubi, Yigal Meir, and Yshai Avishai
... sometimes surprising results. A particular issue, that has been under debate for quite some time, is related to the exact trajectories at which the current flows. Some theories suggest that the current flows mainly via edge states along the sample edges,2 whereas others, based on the idea of a local ...
... sometimes surprising results. A particular issue, that has been under debate for quite some time, is related to the exact trajectories at which the current flows. Some theories suggest that the current flows mainly via edge states along the sample edges,2 whereas others, based on the idea of a local ...
Non-invasive ophthalmic imaging of adult zebrafish eye using
... Lateral scanning was done using a stepper motor. Software based on Labview was used to control the entire set-up. The free space axial and lateral resolution of the set-up were estimated to be ~ 11 and 17 µm respectively. The signal-to-noise ratio (SNR) of the set-up was measured to be ~ 100 dB. Typ ...
... Lateral scanning was done using a stepper motor. Software based on Labview was used to control the entire set-up. The free space axial and lateral resolution of the set-up were estimated to be ~ 11 and 17 µm respectively. The signal-to-noise ratio (SNR) of the set-up was measured to be ~ 100 dB. Typ ...