Wide-stopband low-loss long-period optical fibre raster

Application Number: 00115738Application Date: 2000.05.17Publication Number: 1270321Publication Date: 2000.10.18Priority Information: International: G02B6/124Applicant(s) Name: Shanghai Jiaotong Univ.Address: Inventor(s) Name: Ye Ailun;Li XinwanPatent Agency Code: 31201Patent Agent: mao cuiyingAbstract A wide-stop band low-loss long-period optical fibre raster is prepared by optical fibre slotting-heating technology, which includes such steps as closely arranging and fixing the optical fibres on Read more

Equipment for manufacturing apodization fibre-optical raster

Application Number: 00119988Application Date: 2000.06.30Publication Number: 1292500Publication Date: 2001.04.25Priority Information: 1999/7/2 KR 26671/99International: G02B5/18;G02B6/124Applicant(s) Name: Samsung Electronics Co., Ltd.Address: Inventor(s) Name: Kim Sai-Yun;Sin Sang-Gui;Kim Moon-SeungPatent Agency Code: 72001Patent Agent: wu zengyongAbstract Disclosed is an apparatus for fabricating an apodized fiber grating, which comprises a UV(Ultra Violet)laser, a beam splitter, a plurality of reflector, a phase Read more

Optical phase raster type low pass filter

Application Number: 00120456Application Date: 2000.07.10Publication Number: 1294307Publication Date: 2001.05.09Priority Information: 1999/10/27 KR 46950/1999International: G02B5/18;G02B27/46Applicant(s) Name: Harwit Co., Ltd.Address: Inventor(s) Name: Lee Chae-Chol;Lim Seung-Woo;Go Cheum-SooPatent Agency Code: 11038Patent Agent: ma gaoAbstract There is provided an optical low pass filter passing only a lower spatial frequency using a phase grating and the structure of the grating. The Read more

Widening of array waveguide raster pass-band response

Application Number: 00126188Application Date: 2000.08.31Publication Number: 1287280Publication Date: 2001.03.14Priority Information: 1999/9/2 EP 99810786.6International: G02B6/34;H04J14/00Applicant(s) Name: International Business Machine Corp.Address: Inventor(s) Name: Jian. Ruka. Poner;Fercott;Horst;Bert. Jan. O'FlaenPatent Agency Code: 11038Patent Agent: yu jingAbstract The essential feature is the step of generating a controllable 'dynamic' intensity field profile with a controllable beating pattern in a multimode superposition Read more

Parallel confocal detector based on Darman raster

Application Number: 00109805Application Date: 2000.07.07Publication Number: 1276525Publication Date: 2000.12.13Priority Information: International: G01J3/18;G01N21/17;G01N21/64Applicant(s) Name: Qinghua Univ.Address: Inventor(s) Name: Wu Minxian;Yang Rong;He QingshengPatent Agency Code: 11201Patent Agent: luo wenqunAbstract A parallel confocal detecter based on Darman raster is composed of light source, pinhole filter, light-gathering lens, Darman raster, bidirectional chromatic mirror, imaging lens, filter, confocal pinhole array Read more

Langqi raster schlieren instrument for measuring surficial shape of object

Application Number: 00107766Application Date: 2000.05.26Publication Number: 1271856Publication Date: 2000.11.01Priority Information: International: G01N21/45Applicant(s) Name: Qinghua Univ.Address: Inventor(s) Name: Wang Boxiong;Liu Xingzhan;Luo XiuzhiPatent Agency Code: 11201Patent Agent: liao yuanqiuAbstract A Langqi raster schlieren device for measuring the surface form of object is composed of optical path elements and mechanical structure for fixing and integrating the optical path Read more

Embedded reflection sampling raster for sampling high-power laser beams

Application Number: 00106162Application Date: 2000.04.27Publication Number: 1320826Publication Date: 2001.11.07Priority Information: International: G02B5/18Applicant(s) Name: Inst of Mechanics, Chinese Academy of SciencesAddress: Inventor(s) Name: Yang Qiansuo;Wu Baogen;Zhu NaiyiPatent Agency Code: 31002Patent Agent: gao cunxiuAbstract An embedded reflection sampling raster for sampling high-power laser beam has a medium membrane plane, on which 6-15 layers of reflection increasing film Read more

Process for preparing non-membrane holographic laser raster

Application Number: 00105611Application Date: 2000.04.11Publication Number: 1317729Publication Date: 2001.10.17Priority Information: International: G03H1/04Applicant(s) Name: Ma FangAddress: Inventor(s) Name: Ma Fang;Xu Xiaodi;Liu XingrenPatent Agency Code: 11230Patent Agent: zhang ejunAbstract A process for preparing antifraud non-membrane holographic laser raster incldue uniformly coating a layer of composite medium on antiforge membrane, sticking it on a paper, light radiation, baking Read more