Category Archives: Announcement

Obituary: Prof. Naruhisa Takato

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Professor Naruhisa Takato passed away on May 14, 2021. He got ill on April 24 while he was staying in Taichung to participate in the final phase of integration and test of Prime Focus Instrument (PFI) of the PFS instrument. An emergency surgery was operated on the same day and then he was under intensive cares, but he never returned…. Read more »

Obituary: Olivier Le Fèvre

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Prof. Olivier Le Fèvre passed away on June 25, 2020 at the age of 59. He had been fighting brain cancer with courage and lucidity for the past 2 and a half years. Prof. Le Fèvre was the key person to get the PFS project off the ground, bringing Laboratoire d’Astrophysique de Marseille as a full partner of the collaboration…. Read more »

Commissioning of IR detector at JHU

PFS is a spectrometer that disperses light and measures the intensity as a function of wavelength using photosensitive detectors. The operational bandpass for the PFS instrument covers the wavelengths from 380nm to 1260nm. The light delivered to the spectrograph is initially separated into three channels of blue, red, and near-infrared (NIR) by two dichroic mirrors. Each channel is deflected to… Read more »