2012•Review of Scientific InstrumentsRequires access

The resistive bolometer for radiated power measurement on EAST

Yanmin Duan, Liqun Hu, Songtao Mao, K. Y. Chen, S. Y. Lin, EAST Diagnostics Team

Abstract

The resistive bolometer system has been successfully employed on experimental advanced superconducting tokamak for the first time to measure the radiated power of plasma. The bolometer detectors are based on 4 μm thick Pt absorbers deposited on 1.5 μm thick SiN membranes. The system consists of 3 cameras with a total of 48 channels. The detector and the system setup are described in detail. The detector calibration and typical measurement results are presented as well.

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Key concepts: Bolometer, Resistive touchscreen, Detector, Tokamak, Calibration, Effective radiated power, Physics, Plasma diagnostics