Long-period
Temperature characterisation of long period gratings for sensor applications
... of long period gratings (LPGs) of different periods are ...shorter period LPGs were found to be less sensitive than the longer period LPGS over identical temperature ...
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Period dependent temperature and ambient index effects on long period fibre gratings
... of long period gratings (LPGs) have been shown to be sensitive to changes in index of refraction of the medium surrounding the fibre cladding (ambient refractive index) in the vicinity of the LPG [3-7] and ...
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Modelling of optical fibre long period grafting sensors
... of long-period grating periodicity prediction has been ...the long period grating index ...the long period grating coupling wavelength shift when the ambient index changes over a ...
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On the Validity of the Effective Index Method for Long Period Grating Photonic Crystal Fibers
... This paper focuses on the investigation of modal characteristics and sensing properties of long period grating photonic crystal fibers (LPG-PCFs). An improved effective index method is employed with an ...
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The long period intermediate polar 1RXS J154814 5 452845
... rotational period is ...very long period and probably it is a low inclination binary, see below), a spin radial velocity curve cannot be accounted by a disc and the system is not accreting at a high ...
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Graphene oxide coated long period grating for optical sensing purposes
... Citation: Dissanayake, K. P. W., Vidakovic, M., Matthias, F., Sun, T. ORCID: 0000-0003- 3861-8933 and Grattan, K. T. V. ORCID: 0000-0003-2250-3832 (2019). Graphene oxide coated long period grating for ...
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The Design of Bending Long Period of Photonic Crystal Fiber Grating Sensors
... grating period is of about one micron, which can be used for the temperature and pressure sensors ...PCF long period fiber grating (LPG) the grating period is about 100 microns, which a low ...
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Short Period and Long Period Effects of Weak Gravitational Waves
... are long period per- turbations on ω , Ω and i and not changing with revolution and the short period perturbations on a e , and M changing with revolution during the interval of time ( t − t 0 ) ...
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Long period ground motions in a laterally inhomogeneous large sedimentary basin: observations and model simulations of long period surface waves in the northern Kanto Basin, Japan
... the long-period ground motions (period of 4 to 8 s) in a laterally inhomogeneous large sedimentary basin, we constructed a three-dimensional (3D) sedimentary velocity structure model for the northern ...
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Electromagnetic response of the mantle to long period geomagnetic variations over the globe
... section, we analyze daily mean values covering about 20 years from 1960 to 1980. Continuous data are obviously re- quired for our present purpose, but only some of the stations can provide such a long sequence of ...
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Long period oscillations in sunspots
... short period categories above. However, long period sunspot oscillations are interesting for a number of reasons, in particular because of their possible association with the eigenmodes of the ...
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Detection of ultra long period oscillations in an EUV filament
... To examine the spatial distribution of the oscillations, we next consider the entire ROI, and run the sequence from Time = 46.8 h. For each pair of adjacent positions along the (69 pixel long) main axis of the ...
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A long-period planet orbiting a nearby Sun-like star
... At a distance of 22 pc, HD 134987 is one of the more nearby exoplanetary systems. The com- bination of the close distance and long period indicates a relatively large angular distance from the star of !0.23 ...
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Evaluation of Long Period Detectability of Teleseismic Events at Syowa Station, Antarctica
... with period longer than one year are not so clearly identified, possibly because the earthquake detection level has not drastically changed throughout the observation ...
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Long period fibre grating as gas sensor for environmental pollution monitoring
... The long period grating sensor (LPG) is a variation on the fibre Bragg grating (FBG) sensor, and as its name suggests differs in construction from the FBG by the length of the grating ...greater ...
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Long period polytype boundaries in silicon carbide
... Theoreticians bemoan the lack of experimental data on SiC polytype coalescence. This paper gives the most extensive and detailed database to date from which we can test theoretical predictions and pose fundamental ...
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A study on the predominant period of long period ground motions in the Kanto Basin, Japan
... We overlay the theoretical prediction for the funda- mental Love wave excitation discussed above on Figure 4 (cross in the figure) to compare it with the observation. The theoretical prediction explains well the observed ...
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LONG PERIOD VARIABLES IN STELLAR CLUSTERS: IC4651
... new long period variables in the ...a period exceeding 60-70 ...possible long secondary periods in these stars since they are expected to exceed the time span of our monitoring by a factor of ...
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The metabolic dynamics of cartilage explants over a long term culture period
... culture period of up to 10 days if the explant was given two days to ...culture period is longer than ten days, which means that the cartilage could potentially develop into degenerated carti- ...the ...
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Long Period InAs/GaSb Type II Superlattices for Terahertz Application
... of long-period InAs/GaSb type-II SLs in the THz ...of long-period InAs/GaSb type-II ...of long-period InAs/GaSb type-II SLs through examining the dependence of THz absorption ...
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