[OFA2B] Optical Components/Devices II

[OFA2B-02] Novel Transmission Gratings for Space Applications and Astronomical Observations

*Noboru Ebizuka¹, Takayuki Okamoto¹, Yutaka Yamagata¹, Minoru Sasaki², Ichi Tanaka³, Takashi Hattori³, Yuusuke Nakauchi⁴, Makio Nishimaki⁵, Kazuya Yamamoto⁵, Makoto Okada⁵, Kazuya Saiki⁶ (1. RIKEN (Japan), 2. Toyota Tech. Inst. (Japan), 3. National Astronomical Observatory of Japan (Japan), 4. Japan Aerospace Exploration Agency (Japan), 5. Nalux Co. ltd. (Japan), 6. Osaka Univ. (Japan))

[Presentation Style] Onsite

We are developing volume binary gratings and trapezoid gratings with high angular dispersion, high diffraction efficiency and wide spectral rang. Simulation results, fabrication methods, and experimental results of these gratings are described in this article.