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(151) Erbium - doped planar optical waveguide amplifiers have potential application in the area of aviation communications.

(152) The light wave propagation in quasiperiodic one-dimensional photonic crystals with the doped defect and the substitutional defect is studied by means of the transfer-matrix method.

(153) The organic luminophore is encapsulated in the silica gel, thus a new organic-inorganic doped material is made.

(154) Characteristics of Scandate cathodes with Scandia doped tungsten bodies have been investigated in this work.

(155) The crystal lattice parameters of the sample are changed obviously with the change of doped concentration and annealing temperature.

(156) The grating non-uniformity of the nonvolatile volume hologram recording in doubly doped LiNbO_3(LN) crystals mainly caused by strong ultraviolet (UV) absorption is studied in detail.

(157) The properties of the hydration of ferri -cement doped with CaF_2 in minus temperature by XRD chemical analysis are studies.

(158) The doped samples had good cycling stability, but it was at the cost of initial capacity.

(159) Depletion Model Selective doped heterojunction transistor is designed and fabricated.

(160) This paper investigates an optical reorientation process of azo dye doped liquid crystals and explains the dependence of the enhancement factor on the incident light direction.

(161) The gate electrodes (16) of the NMOS transistors (A) are formed in a layer of n-type doped polycrystalline silicon (14) without germanium.

(162) The switch bases on one - dimensional photonic crystal doped by electro - optical material.

(163) His other trick is to boost the power of the lasing material, neodymium - doped yttrium aluminium garnet.

(164) It is proved by the result that rear earth ion can be successfully doped into materials, which uses PMMA as the bulk material, and composit with good transmittance is also obtained.

(165) The crystals are grown from aqueous solution doped with a minute amount of sodium metaphosphate.

(166) The way for suppressing SRS, such as increasing core diameter, decreasing fiber length, reducing doped concentration and using reasonable pumping method, is discussed.

(166) Sentencedict.com try its best to gather and build good sentences.

(167) But the researchers were able to pull all these tricks off at once using a lithium niobate crystal doped with rare earth ions and chilled to -454 degrees.

(168) The Er - doped or Yb : Er co - doped Al _ 2 O _ 3 films have been prepared by three kinds of technique.

(169) The output power of L-band ASE was effectively improved by injecting the C-band ASE into the erbium doped fiber acting as the secondary pumping source.

(170) In this experiment, Vanadium pentoxide(V2O5) was doped by dopant through the elevated temperature fusion process, the result doped VO2 powder were achieved after reduced V2O5 by ammonia.

(171) Doped lead titanate (PT) thin film is a pyroelectric thin film that holds excellent property and comprehensive application.

(172) We have studied the mechanism of the anisotropic property of degenerate four-wave mixing (DFWM) signal intensity in nematic liquid crystal doped with dye.

(173) Polyaniline(PANI) was synthesised by chemical oxidation method, then doped by bromine vapor and hydrobromic acid, the conductivity of PANI was increased by 11-13 orders of magnitude after doping.

(174) The reflection spectrum of Methyl Red doped PMMA was measured and modified.

(175) The microstructure, densification behaviour, electrical, ferroelectric and ferromagnetic properties of Ni - doped BaTiO 3 are measured.

(176) At the end of this thesis, we compare the magnetoresistance in doped manganites with composite.

(177) Y 2 O 3 - doped ZrO 2 films were deposited on SiO 2 substrates using high vacuum electron beam evaporation temperature.

(178) The Rhodamine 6G doped microlens array was fabricated using the solution of Methyl Methacrylate (MMA) monomer and Polymethyl Methacrylate (PMMA) mixture.

(179) The relationship of the ground state, soliton and polaron excitations with the net-charges in doped polyacetylene chains and with the counterion potentials were studied.

(180) The storage dynamics in doped lithium niobate are studied. It gives that the equations of the migration of charges is due to diffusion or drift and photovoltaic effect.