公开(公告)号：US20160202175A1

公开(公告)日：2016-07-14

申请号：US14911202

申请日：2014-08-01

Applicant: DUVAS TECHNOLOGIES LIMITED

Inventor： Craig SAWYERS ,  Simon RAYNOR

IPC: G01N21/03 ,  G01J3/02 ,  G02B17/04 ,  G01N21/33

CPC classification number: G01N21/031 ,  G01J3/021 ,  G01N21/33 ,  G01N2201/061 ,  G01N2201/0636 ,  G01N2201/068 ,  G02B17/004 ,  G02B17/04

Abstract: A multipass spectroscopic absorption cell comprises at least a first reflector (40) and a second reflector (42) that are configured to reflect a beam of light multiple times through a sample volume (V). At least one of the first and second reflectors (40,42) defines a principal optical axis (A) that extends through the sample volume (V). An optical folding system (52) is located on the principal optical axis (A) between the first and second reflectors, said optical folding system being configured to fold the principal optical axis (A) through an angle greater than 0°.

Abstract translation: 多通道光谱吸收单元包括至少第一反射器（40）和第二反射器（42），其被配置为通过样品体积（V）多次反射光束。 第一和第二反射器（40,42）中的至少一个限定延伸穿过样品体积（V）的主光轴（A）。 光学折叠系统（52）位于第一和第二反射器之间的主光轴（A）上，所述光学折叠系统构造成使主光轴（A）折叠大于0°的角度。