...(4)Spectrometer: A device that can determine wavelength by placing a dispersive element such as a prism or diffraction grating on a rotating platform and observing the dispersed light with a telescope. (5)Spectroradiometer: A device for quantitatively measuring the spectral intensity from a light source (strictly speaking, in units of radiation). Many of them use a combination of a spectrograph and an image sensor, or a monochromator and a single detector, and can record the absolute value of the spectral radiation of a light source in the form of a spectrum, and some have a built-in standard light source for this purpose. *Some of the terminology that mentions "spectroradiometer" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…(4)分光計spectrometer 回転台にプリズムや回折格子などの分散素子を置き,分散光を望遠鏡で観測することによって波長決定ができる装置(分光計)。(5)分光放射計spectroradiometer 発光体からのスペクトル強度の定量測定を(厳密には放射量を単位として)行うための装置。分光写真器とイメージセンサー,モノクロメーターと単検出器の組合せなどを用い,発光体の分光放射量の絶対値がスペクトルの形で記録しうるものも多く,そのための標準光源を内蔵したものもある。… ※「spectroradiometer」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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