Wavelength shift
Wavelength shift strategy to enhance lipid productivity of Nannochloropsis gaditana
... specific wavelength. The adaptability of N. gaditana to different wavelength compositions could be another reason why the wavelength conversion had no clear effect, as shown with R110-modified light ...
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The Structural Basis for Iridescent Colour Changes in Dermal and Corneal Irddophores in Fish
... It is suggested that the wavelength shift is produced by an inflow of material into the iridophore and that the change in amplitude, without a shift in wavelength, is produced by a trans[r] ...
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Highly sensitive label free antibody detection using a long period fibre grating sensor
... c wavelength, corresponding to the resonance band at the PMTP, are detected which has been reported to be more sensitive than the wavelength shift ...
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Fiber bragg grating sensors for pH and humidity measurement
... Bragg wavelength shift per unit of the parameter being measured (sensitivity) is large enough to be resolved by FBG interrogation ...provides wavelength resolution of ∼ ...
51
Design and construction of an interrogation unit for fiber Bragg grating sensor system
... ‘wavelength shift’ has been the subject of considerable research and several techniques have been ...‘wavelength shift’ are using bulk optic filters whose fractional power transmitted are ...
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Temperature characterisation of long period gratings for sensor applications
... wavelength due to a reduction in air temperature was recorded and is shown in Figure 4 (Graph α ). A temperature coefficient of -0.2569 nm/ o C was obtained for Fibre A from the best-fit equation of the line. The ...
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Tunable, femtosecond pulse source operating in the range 1 06 1 33 micron based on an Yb3+ doped holey fiber amplifier
... It did not prove possible for us to extend the single-pulse tuning range beyond 1.33 m. Instead, when we maxi- mized the output power of our seed oscillator to increase the launched pulse energy to ⬃ 12 pJ (compared to ...
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A Low-power Fiber Bragg Grating Sensor Interrogation System for High-speed Sensing.
... This research develops a low-power, high speed interrogation system for interrogating fiber Bragg grating (FBG) strain sensors under dynamic loading of mechanical and aerospace structures. The interrogation system is ...
158
Strain relaxation in InGaN/GaN micro-pillars evidenced by high resolution cathodoluminescence hyperspectral imaging
... Stokes shift was not ...of wavelength shift measurements on the smaller pillars imposed by intrinsic QW inhomogeneities and the strain gra- dients close to the pillar ...
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Microring stereo sensor model using Kerr–Vernier effect for bio-cell sensor and communication
... is the effective mode core area of the proposed device [24, 25]. The Optiwave computational software is used to perform the simulations utilizing the graphical method, where the selected parameters were used to obtain ...
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An outdoor fibre bragg grating temperature sensor
... different temperature obtained from the reflection spectrum 61 Figure 5.12 Comparison o f Bragg wavelength shift at 2.0 cm height 62 Figure 5.13 Comparison o f Bragg wavelength sh[r] ...
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Effects of Solvent, pH and Ionic Strength on the Fluorescence Features of Aflatoxin B1, B2, G1 and G2
... the shift in the maximum emission wavelength for each ...emission wavelength shift for AFB1, AFB2 and AFGs were observed for 2-propanol, oleic acid and methanol, ...Stokes shift is ...
8
Two-curve-shaped biosensor using photonic crystal nano-ring resonators
... The bio-sensing mechanism is based on the effective refractive index change of the sensing hole. By binding an analyte into the sensing hole, one of the features of the transmission spectrum will be changed. This process ...
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Analysis of the Characteristics of PVA-Coated LPG-Based Sensors to Coating Thickness and Changes in the External Refractive Index
... There are a number of publications in the literature that verify the enhancement of the characteristics of a bare LPG by the deposition of an overlay that has a RI greater than that of the cladding. However, nearly all ...
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An optical fiber Bragg grating tactile sensor
... the wavelength shift and spectral width, and the periodic spectral changes measured versus displacement are clearly different in shape and magnitude for the different surface ...
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Exciton States Spectroscopy in Quasi - Zero - Dimensional Nanostruсtures: Theory
... short-wavelength shift of the peak of the low-temperature luminescence spectrum of the samples containing zinc-selenide QDs, which was observed under the experimental conditions, is caused by ...
8
Persistence and lifelong fidelity of phase singularities in optical random waves
... These theoretical results are confirmed by a 2D finite element method (FEM) simulation. The FEM simula- tion produces a direct expression of E(r, ω), free of the previous model assumptions. The statistics for the sin- ...
5
Optical characterisation of a long period grating using liquid droplets on an electrowetting-on-dielectric platform
... 4. Conclusion: We have shown that by reducing the fibre cladding on one side by polishing a LPG fibre we can achieve a 53 % greater wavelength shift to external refractive index changes without weakening ...
5
Strain behaviour of exposed steel reinforcement bars using FBG sensor
... of wavelength shift for FBG–strain sensors and FBG–temperature sensors demonstrate consistent measurement of strain with the output values being independent of temperature ...peak wavelength ...
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Optical Scattering and Absorption Characteristics of Silver and Silica/ Silver Core/shell Nanoparticles
... The wavelength corresponding to maximum extinction shifts to longer wavelengths as the size of the nanoparticle is ...red shift is accompanied by an increase in peak ...resonant wavelength for an ...
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