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(61) This paper introduces optical characteristics and spectral characteristic of optical fiber Bragg grating, introduces the experiments of grating fabrication with phase masks.

(62) In order to prevent from data fault during power failure, grating torque sensor provides absolute zero position signal with zero position grating.

(63) The construction of the encoding fiber Bragg grating sensor array and the characteristic of its sensing signal are introduced.

(64) A new kind of edge lit circular viewing rainbow hologram is presented in this paper, which uses a wave guided grating as illuminator.

(65) In this paper, An absolute measurement method by two dimension zero position grating is presented.

(66) One kind of all-fiber structure sensing system is designed based on the long period of fiber grating as edge filter to interrogate the sensing signal of the FBG sensor.

(67) The paper mainly discusses the principle of two dimension zero position grating and its evaluation index, gives detail discussion of evaluation limit.

(68) The schematic of a novel transmission grating spectrograph and the preliminary experimental results are described.

(69) A novel slim FBG (Fiber Bragg grating) sensor device and its application in the real-time dynamic shape detection of colonoscope are presented.

(70) A flat - field etched diffraction grating ( EDG ) wavelength demultiplexer is much more convenient in fabrication.

(71) The principle of projection type micro optical encoder has been described and the optics theory of grating imaging is deduced.

(72) A method for suppressing the regular bands parasitic oscillation caused in the sequence laser amplification by placing a glaring grating is introduced.

(73) All surface channel inside E. V. A. shall be covered with "NONROC" heavy duty tee frame transverse bar trench grating or similar approved.

(74) The average saturation space-charge field is small and the diffraction efficiency is low as a result of the non-uniformity of the grating.

(75) Moire fiber grating ( MFC ) is a new kind of passive components.

(76) Good photon sensitivity, large index modulation and high resolution make monomer in a number of applications such as holographic polymer grating[sentencedict.com], photonic crystal and light phase modulator.

(77) Study encoding Fiber Bragg Grating sensing system by experiment and expound its market application.

(78) That transmission rate and the FWHM of the fiber grating FP are very sensitivity for radial strain. But the central wavelength, mode number of the fiber grating FP are insensitivity for radial strain.

(79) At the same time, the characteristics of the LPG temperature sensing about different cladding calorescence coefficient or grating period are showed.

(80) The theory and experiment techniques about measuring the thermal diffusivity of solid materials by using laser induced transient reflecting grating is introduced.

(81) With the improving technic and the emergence of more and more advance research production [sentencedict.com], fiber Bragg grating(FBG) had become one of the most successful optic passive device.

(82) The industrial grating signals can be digital frequency multiplication with a phase-locked loop (PLL) controlled by a microcomputer.

(83) The double grating monochromator structure of pure rotational Raman lidar is introduced and the corresponding lidar equation is deduced.

(84) The influence of quadrupole, annular and binary grating illumination on resolution and depth of focus have been investigated in sub micron i line exposure system.

(85) Experimental results. show that the step number and ratio between the etching depth and the light wavelength are closely associated with the diffraction efficiency of reflection step grating.

(86) The principle of the circular grating optical scanning holography and the experimental results are presented.

(87) Yes, dearest, your thoughts are similar to ours when we consider the grinding of political power machine which is grating in a last desperate attempt to fortify itself in view of the incoming wave.

(88) A new device which can change the optical frequency shift is described. It consists of a rotating grating, a synchro motor and a power supply whose frequency can be adjusted.

(89) A method of measuring visual acuity with holographic grating is described. The measurement may be performed with a slightly modified conventional ophthalmoscope.

(90) Two parallactic films of a nature color scene are obtained with a three color grating camera.