Laser & Optoelectronics Progress, Volume. 47, Issue 6, 62201(2010)
Manufacture Technology of Microchannel Plate with High Resolution
The reducing lead silicate glass microchannel plate (MCP) with 4-5 μm channel is produced by the glass multifiber draw (GMD) technology,and its resolution is 95 lp/mm. The crack and twist of MCP during production can be avoided by optimizing the glass group of the skin,core and solid border. The dimensional error of fiber is within 0.5% during fiber-drawing by developing new fiber-drawing machines and techniques,arranging slender-diameter mono-fiber and multi-fiber stick. By these ways,the problem of gaining uniformity of MCP is solved. MCPs with less than 5 μm channels were made by the method of two-step stick-drawing. The channel diameter of MCP is 5 μm,thickness is 0.25mm,and gain is 1×104 (900 V) on average.
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Chen Nan, Le Wushi, Long Gaoqun, Jiang Shengjun, Miao Kunzhi. Manufacture Technology of Microchannel Plate with High Resolution[J]. Laser & Optoelectronics Progress, 2010, 47(6): 62201
Category: Optical Design and Fabrication
Received: May. 25, 2009
Accepted: --
Published Online: May. 20, 2010
The Author Email: Nan Chen (ledream@163.com)