A dual-wavelength test device suitable for determining the ignition delay time of a shock tube
A technology for ignition delay and time determination, which is applied in measurement devices, color/spectral characteristic measurement, and material analysis through optical means, and can solve the problems of high cost of grating monochromator, increased chassis size, and increased occupied space. , to achieve the effect of good shading performance, low manufacturing cost and convenient operation
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[0018] In order to facilitate those skilled in the art to understand and implement the present invention, the present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments, but the present invention is not limited to the following embodiments.
[0019] As shown in the figure, the dual-wavelength testing device of the present invention suitable for judging the ignition delay time of a shock tube includes a light-shielding cabinet 9, and inside the light-shielding cabinet 9, two sets of photoelectric conversion mechanisms 11 with the same structure are arranged side by side. Each photoelectric conversion mechanism 11 includes an optical fiber interface 1 installed on the side wall of the shading cabinet 9, a photomultiplier tube 6 installed inside the shading cabinet 9 opposite to the optical fiber interface 1, and a photomultiplier tube 6 installed between the optical fiber interface 1 and the photomultiplier tu...
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