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Chinese Journal of High Pressure Physics  > 2009  >  23(5): 345-352 .
ZHOU Xian-Ming, LI Jia-Bo, WANG Xiang. Development of a New Fiber Coupled Optical Pyrometer[J]. Chinese Journal of High Pressure Physics, 2009, 23(5): 345-352 . doi: 10.11858/gywlxb.2009.05.005
Citation: ZHOU Xian-Ming, LI Jia-Bo, WANG Xiang. Development of a New Fiber Coupled Optical Pyrometer[J]. Chinese Journal of High Pressure Physics, 2009, 23(5): 345-352 . doi: 10.11858/gywlxb.2009.05.005
shu

Development of a New Fiber Coupled Optical Pyrometer

doi: 10.11858/gywlxb.2009.05.005

  • National Key Laboratory of Shock Wave and Detonation Physics, Institute of Fluid Physics, CAEP, Mianyang 621900, China

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  • Corresponding author: ZHOU Xian-Ming
  • Received Date: 12 Mar 2008
  • Rev Recd Date: 07 Jul 2008
  • Publish Date: 15 Oct 2009
    Abstract
  • A fast optical pyrometer for shock temperature measurement was developed based on GDB159/142 photo-multiplier tubes (PMT) and one single optical fiber incorporated with dichroic filters. Main features include the central wavelengths within the spectrum range of 340～811 nm, a rise time of 2～3 ns, and measurable shock temperature span of 2 500～15 000 K. Results of the pulse-linearity measurements indicate that the dynamical linearity values for all six channels are greater than 200 mV (50 load resistor) which meet the requirement for recording on the digital oscilloscopes with good signal-to-noise ratio. Calibration method by the spectral irradiance with a halogen lamp and examples of dynamic measurements are presented. It is demonstrated that this system produces reasonable outputs with stable performance at an economical cost.

     

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