Chinese Academy of Sciences

Libing Li

Lei Ding

Liwei Sun

Fengli Wang

Enguang Liu

Provided are a real-time spectrum testing device for a volatile condensable material in a wide temperature range and a spectrum testing method by using the device. The device includes a testing module, a vacuum module, a temperature control module, and a spectrometer, where the testing module includes a testing cabin (), a replaceable standard testing lens (), and a stage (); two infrared perspective windows () are symmetrically installed on two opposite side walls of the testing cabin (); the vacuum module includes a vacuum inner cavity () and a vacuum system (); the vacuum inner cavity () is installed in the testing cabin () in a thermally insulated manner and connected to the vacuum system (); the stage () and the standard testing lens () are installed in the vacuum inner cavity (); the temperature control module includes a refrigeration system () and a temperature control system ().

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Shanghai, China

Libing Li