Infrared imaging bolometer on the HL-2A Tokamak

An infrared imaging bolometer has been developed in HL-2A tokamak with 14 × 14 bolometer pixels and a NEPD of 1.65W/rn 2 for this diagnostic. good qualitative agreement is observed by comparison of the bolometric result with conventional bolometric data and the comparison of the bolometric image with a corresponding image from a CCD camera for visible light. The next step in this research is to carefully calibrate to get more accurate data. the data from the infrared imaging bolometer will then be used to attempt the two-dimensional tomography of plasma radiation including the core and X-point region with three-dimensional treatment of detector geometry.