Low volume multipass cell

Teemu Kääriäinen (Inventor), Albert Manninen (Inventor)

    Research output: PatentPatent

    Abstract

    A multipass cell, includes a body; a cavity formed within the body; a first spherical or toroidal mirror at a first end of the cavity; and a second spherical, toroidal or cylindrical mirror at the opposite end of the cavity. The first mirror and the second mirror are configured to reflect a beam entering the cavity next to an outer edge of the first or the second mirror a predetermined number of times so that the beam propagates substantially in a single plane between the first and the second mirror. Also an optical detection system includes the multipass cell; an optical source configured to direct a beam into the cavity; and a detector element configured to receive the beam exiting the cavity or configured to receive the acoustic signal generated by light absorption in the cavity.

    Patent family as of 10.12.2021
    EP3380824 A1 20181003 EP20160863728 20161103      
    EP3380824 A4 20190417 EP20160863728 20161103      
    FI20155833 A 20170512 FI20150005833 20151111      
    US10337981 BB 20190702 US20160775415 20161103      
    US2018372616 AA 20181227 US20160775415 20161103      
    WO17081363 A1 20170518 WO2016FI50774 20161103

    Link to currentpatent family on right 

    Original languageEnglish
    Patent numberUS2018372616
    IPCG02B 17/ 00 A I
    Priority date3/11/16
    Publication statusPublished - 27 Dec 2018
    MoE publication typeH1 Granted patent

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