h and j aggregates - DST Unit of Nanoscience
... Fluorescence microscopy is the technique which has been widely used to study the dynamic processes and since J aggregates have high florescence quantum yield and hence there structure can be studied using Fluorescence microscopy. But this is not the case with H aggrega ...
... Fluorescence microscopy is the technique which has been widely used to study the dynamic processes and since J aggregates have high florescence quantum yield and hence there structure can be studied using Fluorescence microscopy. But this is not the case with H aggrega ...
Optical bandwidth and fabrication tolerances of multimode
... semiconductor lasers [9]. The main advantages of such devices are low-loss, ultracompact size [IO], and large fabrication tolerances. Furthermore, polarization-independent components can be realized by using strongly guided waveguide structures PI. As future WDM communication networks use erbiumdope ...
... semiconductor lasers [9]. The main advantages of such devices are low-loss, ultracompact size [IO], and large fabrication tolerances. Furthermore, polarization-independent components can be realized by using strongly guided waveguide structures PI. As future WDM communication networks use erbiumdope ...
Mid Infrared digital holography and Terahertz imaging
... realization of the latter technique was made in 1967 by Goodman and Lawrence [22] who managed to numerically reconstruct, in about 5 minutes, a digital hologram obtained from a real hologram recorded on a photographic film. The decisive step towards the complete digitalization of the holographic pro ...
... realization of the latter technique was made in 1967 by Goodman and Lawrence [22] who managed to numerically reconstruct, in about 5 minutes, a digital hologram obtained from a real hologram recorded on a photographic film. The decisive step towards the complete digitalization of the holographic pro ...
Variable xy-UV beam expander for high-power laser
... which is wider than the y-beam expander needs to cover (a ~4.3x optical zoom). We also see that, as with the y-beam expander, the largest w0R in combined with the furthest out z0 yields the lowest magxBE, whereas the smallest w0R in combined with the closest z0 requires the largest magxBE. Also here ...
... which is wider than the y-beam expander needs to cover (a ~4.3x optical zoom). We also see that, as with the y-beam expander, the largest w0R in combined with the furthest out z0 yields the lowest magxBE, whereas the smallest w0R in combined with the closest z0 requires the largest magxBE. Also here ...
Atom-photon interactions
... Although the above simple atom and single photonic mode system is powerful and is intuitive, it is a quite challenging system to realize in practice. This is because, in reality, there are typically numerous modes that all interact with an atom. All of these modes make up a continuous spectrum of va ...
... Although the above simple atom and single photonic mode system is powerful and is intuitive, it is a quite challenging system to realize in practice. This is because, in reality, there are typically numerous modes that all interact with an atom. All of these modes make up a continuous spectrum of va ...
Chapter 30 . Optical Testing
... centers, and assigning fringe order numbers to them. The optical path difference (OPD) at the center of any fringe is a multiple m of the wavelength l (OPD 5 ml ), where m is the fringe order. To obtain the wavefront deformation, only the relative values of the fringe order are important. So any val ...
... centers, and assigning fringe order numbers to them. The optical path difference (OPD) at the center of any fringe is a multiple m of the wavelength l (OPD 5 ml ), where m is the fringe order. To obtain the wavefront deformation, only the relative values of the fringe order are important. So any val ...
Relation between nonlinear refractive index and
... ⫻ 1015 to 16 ⫻ 1015 atoms/cm2 /layer) that corresponds to metal volume fractions ranging from 0.17 to 0.35, as shown in Table 1. Accordingly, they have an increasing value of the absorption coefficient at the vicinity of the surface plasmon resonance of Cu ( ⫽ 600 nm). Further details on their synt ...
... ⫻ 1015 to 16 ⫻ 1015 atoms/cm2 /layer) that corresponds to metal volume fractions ranging from 0.17 to 0.35, as shown in Table 1. Accordingly, they have an increasing value of the absorption coefficient at the vicinity of the surface plasmon resonance of Cu ( ⫽ 600 nm). Further details on their synt ...
technical paper
... Reflectance is also important in telecommunication devices such as optical waveguides which function on total internal reflectance. In addition to waveguides, dense wavelength division multiplexing (DWDM) filters reflect over very narrow wavelength bands and are used to separate optical signals in t ...
... Reflectance is also important in telecommunication devices such as optical waveguides which function on total internal reflectance. In addition to waveguides, dense wavelength division multiplexing (DWDM) filters reflect over very narrow wavelength bands and are used to separate optical signals in t ...
Femtosecond spectroscopy of solid hydrogen - diss.fu
... modern matrix isolation techniques that were developed by George Pimentel during the 1950’s [8–11]. The initial motivation of matrix isolation spectroscopy (MIS) was to study short lived reactive species, which is possible by trapping them within a chemically inert crystal, or ‘cage’. Therefore, rar ...
... modern matrix isolation techniques that were developed by George Pimentel during the 1950’s [8–11]. The initial motivation of matrix isolation spectroscopy (MIS) was to study short lived reactive species, which is possible by trapping them within a chemically inert crystal, or ‘cage’. Therefore, rar ...
PHOTONIC CRYSTALS WITH ACTIVE ORGANIC MATERIALS by
... quantities are: L=gain medium thickness; Abs=absorption of the sample at the pump wavelength; λ0=center emission wavelength; Pout /Pin=Efficiency referenced to the incident power; Pout/Pin(absorbed)=Efficiency referenced to the absorbed power. .... 90 Table 3-2. Efficiency of various samples with C1 ...
... quantities are: L=gain medium thickness; Abs=absorption of the sample at the pump wavelength; λ0=center emission wavelength; Pout /Pin=Efficiency referenced to the incident power; Pout/Pin(absorbed)=Efficiency referenced to the absorbed power. .... 90 Table 3-2. Efficiency of various samples with C1 ...
After referees Review article final_FINAL3
... Single point IR microscopy dates back to the earliest commercially available instruments, and utilises a single element detector which records an infrared spectrum from an individual location on the sample. Best suited to interrogating small localised regions of interest, spectra with high signal to ...
... Single point IR microscopy dates back to the earliest commercially available instruments, and utilises a single element detector which records an infrared spectrum from an individual location on the sample. Best suited to interrogating small localised regions of interest, spectra with high signal to ...
TIE-29 Refractive Index and Dispersion
... to be adjusted during melting in such a way that the desired tolerances can be reached during fine annealing. The initial refractive index of SCHOTT N-BK7® for example is in general lower than the target value. ...
... to be adjusted during melting in such a way that the desired tolerances can be reached during fine annealing. The initial refractive index of SCHOTT N-BK7® for example is in general lower than the target value. ...
TIE-29 Refractive Index and Dispersion
... to be adjusted during melting in such a way that the desired tolerances can be reached during fine annealing. The initial refractive index of SCHOTT N-BK7® for example is in general lower than the target value. ...
... to be adjusted during melting in such a way that the desired tolerances can be reached during fine annealing. The initial refractive index of SCHOTT N-BK7® for example is in general lower than the target value. ...
Customer-Made 3×3 Polymer Optical Fiber Splitter Based on Green
... characterized by measuring the output losses, before and after the POF’s end is being smoothed and polished using two sand study of different degree of coarseness. This is to observe the effect of polishing on optical signal losses. POF splitter’s losses are also measured on different temperature to ...
... characterized by measuring the output losses, before and after the POF’s end is being smoothed and polished using two sand study of different degree of coarseness. This is to observe the effect of polishing on optical signal losses. POF splitter’s losses are also measured on different temperature to ...
Appendix D – Raman Spectra
... Materials [1], under experiment #3. No modifications were made to the procedure. The SENTERRA Raman spectrometer includes two lasers and also a simple confocal microscope. Typically, samples are observed using the optical microscope before being subjected to a Raman analysis. The visual observation ...
... Materials [1], under experiment #3. No modifications were made to the procedure. The SENTERRA Raman spectrometer includes two lasers and also a simple confocal microscope. Typically, samples are observed using the optical microscope before being subjected to a Raman analysis. The visual observation ...
McIntyre, Stuart (2013) Limitations to light microscope resolution in
... This thesis cannot be reproduced or quoted extensively from without first obtaining permission in writing from the Author The content must not be changed in any way or sold commercially in any format or medium without the formal permission of the Author When referring to this work, full bibliographi ...
... This thesis cannot be reproduced or quoted extensively from without first obtaining permission in writing from the Author The content must not be changed in any way or sold commercially in any format or medium without the formal permission of the Author When referring to this work, full bibliographi ...
OPTICAL TWEEZERS: Characterization and Systems
... Agarwal since 1996 and he has been my room-mate for the last 6 years. He too is part of NDSL lab, is a very close friend and a confidant. I have almost invariably turned to him in the hour of need - be it a problem related to work or otherwise, and fortunately for me, I was never disappointed barri ...
... Agarwal since 1996 and he has been my room-mate for the last 6 years. He too is part of NDSL lab, is a very close friend and a confidant. I have almost invariably turned to him in the hour of need - be it a problem related to work or otherwise, and fortunately for me, I was never disappointed barri ...
Picosecond resolution soft x-ray laser plasma
... to be observed at the output of the DGI. However the first diffracted order off the second grating can be used instead for this purpose. In this case the intensity of both orders is similar, because each undergoes a reflection (zero order) and a first order diffraction. As the optimum alignment can ...
... to be observed at the output of the DGI. However the first diffracted order off the second grating can be used instead for this purpose. In this case the intensity of both orders is similar, because each undergoes a reflection (zero order) and a first order diffraction. As the optimum alignment can ...
15. Atmospheric Channel Effects and the Impact on
... Different weather conditions can also cause variations of the atmospheric loss by several orders of magnitude. Usually all weather phenomena (and thus also cloud coverage) happen inside the troposphere, which extends up to a height of 11 km. In reference [4] the maximum cirrus altitude is given with ...
... Different weather conditions can also cause variations of the atmospheric loss by several orders of magnitude. Usually all weather phenomena (and thus also cloud coverage) happen inside the troposphere, which extends up to a height of 11 km. In reference [4] the maximum cirrus altitude is given with ...
Effect of ABCD transformations on beam paraxiality
... space propagation, the PA validity problem was tackled by introducing a single parameter, the so-called paraxial estimator, quantifying the paraxiality of a laser beam [6, 7]. This parameter is based on the comparison of the energy fluxes associated with the full Helmholtz equation and its first-ord ...
... space propagation, the PA validity problem was tackled by introducing a single parameter, the so-called paraxial estimator, quantifying the paraxiality of a laser beam [6, 7]. This parameter is based on the comparison of the energy fluxes associated with the full Helmholtz equation and its first-ord ...