Multiple path length optical cell for trace gas measurement

    公开(公告)号:US12276597B2

    公开(公告)日:2025-04-15

    申请号:US17797402

    申请日:2021-02-05

    Applicant: SeekOps Inc.

    Abstract: Systems, devices, and methods including a modified Herriot cell comprising: a laser configured to generate a single beam; a partially transmissive region (PTR) disposed in at least one of: a first mirror and a second mirror, where a first portion of the single beam is received through the PTR, and wherein a second portion of the single beam is reflected by the PTR; a first detector disposed proximate the PTR, wherein the first detector receives the first portion of the beam, and where the first portion of the beam has traveled a first path length from the laser to the first detector; and a second detector disposed proximate the exit hole, where the second detector receives the second portion of the beam, and wherein the second portion of the beam has traveled a second path length from the laser to the second detector.

    MULTIPLE PATH LENGTH OPTICAL CELL FOR TRACE GAS MEASUREMENT

    公开(公告)号:US20230063680A1

    公开(公告)日:2023-03-02

    申请号:US17797402

    申请日:2021-02-05

    Applicant: SeekOps Inc.

    Abstract: Systems, devices, and methods including a modified Herriot cell comprising: a laser configured to generate a single beam; a partially transmissive region (PTR) disposed in at least one of: a first mirror and a second mirror, where a first portion of the single beam is received through the PTR, and wherein a second portion of the single beam is reflected by the PTR; a first detector disposed proximate the PTR, wherein the first detector receives the first portion of the beam, and where the first portion of the beam has traveled a first path length from the laser to the first detector; and a second detector disposed proximate the exit hole, where the second detector receives the second portion of the beam, and wherein the second portion of the beam has traveled a second path length from the laser to the second detector.

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