Optical Temperature Sensor with Monolithic Crystalline Phosphor

    公开(公告)号:US20230009000A1

    公开(公告)日:2023-01-12

    申请号:US17370274

    申请日:2021-07-08

    Abstract: A plasma processing chamber optical temperature sensor is disclosed. The plasma processing chamber optical temperature sensor includes a light source, a light detector, and a means for transmitting light through a wall of a plasma processing chamber. An optical temperature sensing element is thermally coupled to a plasma processing chamber component within the plasma processing chamber. The optical temperature sensing element includes a monolithic crystalline phosphor element configured to be excited by light from the light source and to emit light back to the light detector indicative of a temperature of the monolithic crystalline phosphor element.

    Optical temperature sensor with monolithic crystalline phosphor

    公开(公告)号:US11573133B2

    公开(公告)日:2023-02-07

    申请号:US17370274

    申请日:2021-07-08

    Abstract: A plasma processing chamber optical temperature sensor is disclosed. The plasma processing chamber optical temperature sensor includes a light source, a light detector, and a means for transmitting light through a wall of a plasma processing chamber. An optical temperature sensing element is thermally coupled to a plasma processing chamber component within the plasma processing chamber. The optical temperature sensing element includes a monolithic crystalline phosphor element configured to be excited by light from the light source and to emit light back to the light detector indicative of a temperature of the monolithic crystalline phosphor element.

    FIBER OPTIC TEMPERATURE PROBE
    4.
    发明申请

    公开(公告)号:US20220128417A1

    公开(公告)日:2022-04-28

    申请号:US17082577

    申请日:2020-10-28

    Abstract: A fiber optic temperature probe is disclosed. The fiber optic temperature probe includes a probe shaft containing an optical fiber. An optical temperature sensor element is coupled to the probe shaft and configured to be excited by light from the optical fiber and emit light back to the optical fiber. A thermally conductive plate is coupled to the probe shaft and interfaces with the optical temperature sensor element. Baffling extends from the probe shaft and surrounds the edges of the thermally conductive plate.

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