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... the interference term will be oscillating at a selected frequency permitting high-fidelity measurements. Since the measured signal is proportional to the product of two fields, one of which can be used as an amplifier, very lowamplitude fields can be detected. Additionally, because the interference term ...
... the interference term will be oscillating at a selected frequency permitting high-fidelity measurements. Since the measured signal is proportional to the product of two fields, one of which can be used as an amplifier, very lowamplitude fields can be detected. Additionally, because the interference term ...
Glossary of terms used in photocatalysis and radiation catalysis
... tation marks” indicates that it is NOT defined in this Glossary (see [11]). In addition, an underlined word marks its importance in the respective entry. Synonyms appear in non-bolded roman type immediately below the main term. The same convention as in the “Glossary of terms used in photochemistry” ...
... tation marks” indicates that it is NOT defined in this Glossary (see [11]). In addition, an underlined word marks its importance in the respective entry. Synonyms appear in non-bolded roman type immediately below the main term. The same convention as in the “Glossary of terms used in photochemistry” ...
The Physics 431 Final Exam Wed, DECEMBER 15, 2010
... front surface of beam splitter, the transmitted beam passes through beam splitter three times; the reflected beam passes through only once. Mirror ...
... front surface of beam splitter, the transmitted beam passes through beam splitter three times; the reflected beam passes through only once. Mirror ...
View PDF - CiteSeerX
... focal distance or wavelength of the laser beam, a mask pattern blocking part of the laser light, or any other change in the wave front. The response is the speckle pattern. An input-output pair is usually called a Challenge-Response Pair (CRP). Physical copying is difficult for two reasons: (i) The ...
... focal distance or wavelength of the laser beam, a mask pattern blocking part of the laser light, or any other change in the wave front. The response is the speckle pattern. An input-output pair is usually called a Challenge-Response Pair (CRP). Physical copying is difficult for two reasons: (i) The ...
Fluctuations in Quantum Degenerate Fermi Gases
... This thesis introduces a universal experimental strategy to measure fluctuations in ultracold gases and demonstrates several applications. First, a theoretical overview about fluctuations in Fermi gases is given in the next chapter. A brief discussion of the fluctuation-dissipation theorem and a compar ...
... This thesis introduces a universal experimental strategy to measure fluctuations in ultracold gases and demonstrates several applications. First, a theoretical overview about fluctuations in Fermi gases is given in the next chapter. A brief discussion of the fluctuation-dissipation theorem and a compar ...
A Low Cost Optical Coherence Tomography Machine
... light returned from the sample arm can be compared with multiple known lengths from the reference arm (7). There are several advantages to using time domain OCT as the principle design of the low cost OCT system. First, time domain is easy to understand; it is important for all project members to ha ...
... light returned from the sample arm can be compared with multiple known lengths from the reference arm (7). There are several advantages to using time domain OCT as the principle design of the low cost OCT system. First, time domain is easy to understand; it is important for all project members to ha ...
Diffuse optical imaging
... absorption spectra of oxy- and deoxyhaemoglobin (HbO and HHb, respectively) to assess blood oxygenation. This demonstrated that biomedical optics could provide clinically useful information by examination of the absorption of tissue, provided that the confounding effects of scatter were minimized, b ...
... absorption spectra of oxy- and deoxyhaemoglobin (HbO and HHb, respectively) to assess blood oxygenation. This demonstrated that biomedical optics could provide clinically useful information by examination of the absorption of tissue, provided that the confounding effects of scatter were minimized, b ...
High-Temperature Operation of Terahertz Quantum Cascade Laser
... have been shown to operate CW with high output powers at and above room temperature [18], [19], this approach can lead to a room-temperature electrically pumped CW THz QCL source. In this paper, we discuss our efforts to improve the temperature performance of THz QCLs. Only pulsed-mode operation is ...
... have been shown to operate CW with high output powers at and above room temperature [18], [19], this approach can lead to a room-temperature electrically pumped CW THz QCL source. In this paper, we discuss our efforts to improve the temperature performance of THz QCLs. Only pulsed-mode operation is ...
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 ...
Thomson scattering
... chosen perpendicular to the scattering plane. The high laser powers require special precautions for the used optics. Laser beam diameters should be kept large enough such that for 15-ns pulses the energy density is below the damage threshold of ~5-10 J/cm2. Transmitting surfaces need to be coated an ...
... chosen perpendicular to the scattering plane. The high laser powers require special precautions for the used optics. Laser beam diameters should be kept large enough such that for 15-ns pulses the energy density is below the damage threshold of ~5-10 J/cm2. Transmitting surfaces need to be coated an ...
sensors Chemical Sensing Using Fiber Cavity Ring-Down Spectroscopy
... largely out of the FBG reflection range its contribution to the signal may be as large as the cavity signal that is nominally also attenuated to 10–6 of the incoming light, if the FBGs are 99.9% reflective (30 dB transmission loss) [28]. Finally, commercially available FBGs are usually designed for ...
... largely out of the FBG reflection range its contribution to the signal may be as large as the cavity signal that is nominally also attenuated to 10–6 of the incoming light, if the FBGs are 99.9% reflective (30 dB transmission loss) [28]. Finally, commercially available FBGs are usually designed for ...
CARMENES in SPIE 2014. Building a fiber link for CARMENES
... CARMENES is a high-resolution spectroscopy project for the 3.5 m telescope at the Calar Alto Observatory, consisting of two R ∼ 82000 echelle spectrographs, one for the visual range from 550 nm to 950 nm (VIS) and one for the near infrared range from 950 nm to 1700 nm (NIR). The main scientific goal ...
... CARMENES is a high-resolution spectroscopy project for the 3.5 m telescope at the Calar Alto Observatory, consisting of two R ∼ 82000 echelle spectrographs, one for the visual range from 550 nm to 950 nm (VIS) and one for the near infrared range from 950 nm to 1700 nm (NIR). The main scientific goal ...
Tensorial split-field finite-difference time-domain approach for second- and third-order nonlinear materials
... last few decades [1,2]. In real materials, nonlinear effects are typically weak, and hence a high incident intensity is often required in order to observe nonlinear-optical effects. However, in optical nanostructures, remarkably lower input intensities may be sufficient to trigger nonlinear effects ...
... last few decades [1,2]. In real materials, nonlinear effects are typically weak, and hence a high incident intensity is often required in order to observe nonlinear-optical effects. However, in optical nanostructures, remarkably lower input intensities may be sufficient to trigger nonlinear effects ...
Fourier Transforms and Images
... a) The electrons in the incident beam are scattered into diffracted beams. b) The phase of the electrons is changed as they go through the sample. They have a different kinetic energy in the sample, this changes the wavelength, which in turn changes the phase. ...
... a) The electrons in the incident beam are scattered into diffracted beams. b) The phase of the electrons is changed as they go through the sample. They have a different kinetic energy in the sample, this changes the wavelength, which in turn changes the phase. ...
92, 075445 (2015)
... interactions alone. It was demonstrated [41] that the dipoledipole calculations with the retarded fields result in the same exciton polaritons as arising from the more familiar treatment [31,37] of the interaction of Coulomb excitons with transverse photons [see a schematic picture in Fig. 1(c)]. Si ...
... interactions alone. It was demonstrated [41] that the dipoledipole calculations with the retarded fields result in the same exciton polaritons as arising from the more familiar treatment [31,37] of the interaction of Coulomb excitons with transverse photons [see a schematic picture in Fig. 1(c)]. Si ...
