Monitoring of a detection zone utilizing zero order radiation from a concave reflecting grating

申请公布号：US4351611(A)

申请号：US19800189505

申请日期：1980.09.22

申请公布日期：1982.09.28

申请人：

COULTER ELECTRONICS, INC.

发明人：LEIF, ROBERT C.

分类号：G01N15/14;(IPC1-7):G01J3/18

主分类号：G01N15/14

摘要：Disclosed is an optical flow system wherein individual particles, which are sequentially suspended in a fluid flow, are irradiated at a detection zone with an excitation source to generate radiation signals, which in turn are dispersed by a concave reflection grating for subsequent detection and measurement. The radiation signals which are not dispersed from the grating but are reflected from the grating, are further reflected by a conjugate mirror to form a projected image of the detection zone suitable for viewing with a screen or eyepiece.

HOB

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