@article{oai:nifs-repository.repo.nii.ac.jp:00010813,
 author = {PETERSON,  Byron and PETERSON,  Byron J. and Oh, Seungtae and SEO,  Dongcheol and Jang, Juhyeok and PARK, Jae Sun and Mukai,  Kiyofumi and Choe, Wonho},
 issue = {10},
 journal = {Review of Scientific Instruments},
 month = {Oct},
 note = {0000-0002-4446-4603, An InfraRed imaging Video Bolometer (IRVB) was installed on KSTAR in 2012 having a ∼2 μm × 7 cm × 9 cm Pt foil blackened with graphite and a 5 mm × 5 mm aperture located 7.65 cm from the foil with 16 × 12 channels and a time resolution of 10 ms. The IR camera was an Indigo Phoenix (InSb, 320 × 256 pixels, 435 fps, <25 mK). In 2017, the IRVB was upgraded by replacing the IR camera with a FLIR SC7600 (InSb, 640 × 512 pixels, 105 fps, <25 mK). The aperture area was reduced by approximately half to 3.5 mm × 3.5 mm, and the number of channels was quadrupled to 32 × 24. A synthetic image derived using the projection matrix for the upgraded IRVB from a Scrape Off Layer Plasma Simulator (SOLPS) model with 146 kW of total radiated power had a maximum signal of 7.6 W/m2 and a signal to noise ratio (SNR) of 11. Experimental data for a plasma with parameters similar to the SOLPS model (total radiated power of 158 kW) had a maximum signal of 12.6 W/m2 and noise equivalent power density (SNR) of 0.9 W/m2 (14).},
 title = {Signal to noise ratio of upgraded imaging bolometer for KSTAR},
 volume = {89},
 year = {2018}
}