Monthly Archives: October 2015

A prototype dichroic mirror is now ready for integration to Spectrograph. / 分光器の部品・ダイクロイックミラーの試作品が完成しました

As introduced in the previous post, a various parts for Spectrograph are arriving in France, where we started building up the Spectrograph and verifying its performance. This time, we are talking about dichroic mirror as one key parts in the spectrograph. PFS delivers spectra covering such a wide range of wavelengths as from visible to near infrared with a… Read more »