公开(公告)号：US11506601B2

公开(公告)日：2022-11-22

申请号：US17160791

申请日：2021-01-28

Applicant: Picomole Inc.

Inventor： Christopher Quentin Purves ,  Perry F. Kain ,  Denis Dufour

IPC: G01J3/45 ,  G01N21/39 ,  G01N33/497 ,  G01N1/40 ,  G01J3/42 ,  G01N21/3504 ,  G01N21/552 ,  G01J3/02 ,  G01N21/31 ,  G01J3/10 ,  G06N20/00 ,  G01N21/77

Abstract: There is provided a resonant cavity system. A first mirror is actuated at a first end of a resonant cavity to move in a direction between a first position relative to a second mirror at a second end of the resonant cavity, at which a cavity length between the first mirror and the second mirror is less than a resonance length for a laser beam, and a second position relative to the second mirror, at which the cavity length is greater than the resonance length. An event is triggered when the cavity length is proximal to the resonance length. The first mirror is continuously actuated to move in the direction between the first position and the second position during the event.

公开(公告)号：US10921246B2

公开(公告)日：2021-02-16

申请号：US16564662

申请日：2019-09-09

Applicant: Picomole Inc.

Inventor： Christopher Quentin Purves ,  Perry F. Kain ,  Denis Dufour

IPC: G01J3/00 ,  G01N21/39 ,  G01N21/3504 ,  G01J3/42 ,  G01N21/552 ,  G01N21/77

Abstract: There is provided a method of tuning a resonant cavity and a cavity ring-down spectroscopy system using the same. A first mirror is actuated at a first end of a resonant cavity to move in a direction between a first position relative to a second mirror at a second end of the resonant cavity, at which a cavity length between the first mirror and the second mirror is less than a resonance length for a laser beam, and a second position relative to the second mirror, at which the cavity length is greater than the resonance length. An event is triggered when the cavity length is proximal to the resonance length. The first mirror is continuously actuated in the direction between the first position and the second position during the event.