Progress of NUV and FUV MCP-based photon-counting imaging detectors

CORC > 西安光学精密机械研究所 > 中国科学院西安光学精密机械研究所 > 光电子学研究室

	Progress of NUV and FUV MCP-based photon-counting imaging detectors
	LiuYong-An ; ZhaoBao-Sheng ; WeiYong-Lin ; SaiXiao-Feng ; YanQiu-Rong ; ShengLi-Zhi
	2011
会议名称	international symposium on photoelectronic detection and imaging 2011: space exploration technologies and applications
会议日期	may 24, 2011 - may 26, 2013
会议地点	beijing, china
关键词	Detectors Photon-counting imaging WSO-UV Ultraviolet MCP
页码	81961m
通讯作者	liu yongan
英文摘要	in the world space observatory-ultraviolet (wso-uv) mission, the long slit spectrograph (lss) instrument will provide low resolution spectra in the range 102-320nm. both the nuv (160-320nm) and the fuv (102-170nm) channels of lss use microchannel plates (mcp) working in photon-counting modes as detectors. in this paper, the progress and parameters of nuv and fuv photon-counting imaging detectors were described. for the nuv detector, we developed the detector based on a sealed mcp-image intensifier which comprises input window, photocathode, mcp stack, ge-layer and its ceramic substrate. to maximize the quantum efficiency, we adopted a caesium telluride (cs2te) photocathode, which was deposited on input window and mounted close to the mcp. for the fuv detector, because of the lower cut-off wavelength, there are no suitable window materials in this band and the open-faced design should be used to meet the requirements of the detection. therefore, a caesium iodide (csi) photocathode deposited on the input surface of the mcp was used to optimize detector efficiency. by using an existing wedge and strip anode (wsa), the imaging performance of the nuv and fuv detectors was tested respectively. experimental results show that the quantum efficiency of cs2te is 12.1% (at 230nm), the spatial resolution of nuv and fuv detectors is better than 110μm, the dark count rate of nuv and fuv detectors is about 10.5- and 2.3-counts/s*cm2 respectively.
收录类别	EI ; CPCI
产权排序	1
会议主办者	chinese society of astronautics (cas)
会议录	proceedings of spie - the international society for optical engineering
会议录出版者	spie
会议录出版地	p.o. box 10, bellingham, wa 98227-0032, united states
语种	英语
ISSN号	0277-786x
内容类型	会议论文
源URL	[http://ir.opt.ac.cn/handle/181661/20030]
专题	西安光学精密机械研究所_光电子学研究室
推荐引用方式 GB/T 7714	LiuYong-An,ZhaoBao-Sheng,WeiYong-Lin,et al. Progress of NUV and FUV MCP-based photon-counting imaging detectors[C]. 见:international symposium on photoelectronic detection and imaging 2011: space exploration technologies and applications. beijing, china. may 24, 2011 - may 26, 2013.