论文标题

O3GK期间Kagra检测器的输入光学系统

Input optics systems of the KAGRA detector during O3GK

论文作者

Akutsu, T., Ando, M., Arai, K., Arai, Y., Araki, S., Araya, A., Aritomi, N., Asada, H., Aso, Y., Bae, S., Bae, Y., Baiotti, L., Bajpai, R., Barton, M. A., Cannon, K., Cao, Z., Capocasa, E., Chan, M., Chen, C., Chen, K., Chen, Y., Chiang, C-I., Chu, H., Chu, Y-K., Eguchi, S., Enomoto, Y., Flaminio, R., Fujii, Y., Fujikawa, Y., Fukunaga, M., Fukushima, M., Furuhata, T., Gao, D., Ge, G. -G., Ha, S., Hagiwara, A., Haino, S., Han, W. -B., Hasegawa, K., Hattori, K., Hayakawa, H., Hayama, K., Himemoto, Y., Hiranuma, Y., Hirata, N., Hirose, E., Hong, Z., Hsieh, B-H., Huang, G-Z., Huang, H-Y., Huang, P., Huang, Y-C., Huang, Y. -J., Hui, D. C. Y., Ide, S., Ikenoue, B., Imam, S., Inayoshi, K., Inoue, Y., Ioka, K., Ito, K., Itoh, Y., Izumi, K., Jeon, C., Jin, H. -B., Jung, K., Jung, P., Kaihotsu, K., Kajita, T., Kakizaki, M., Kamiizumi, M., Kanbara, S., Kanda, N., Kang, G., Kataoka, Y., Kawaguchi, K., Kawai, N., Kawasaki, T., Kim, C., Kim, J., Kim, J. C., Kim, W. S., Kim, Y. -M., Kimura, N., Kita, N., Kitazawa, H., Kojima, Y., Kokeyama, K., Komori, K., Kong, A. K. H., Kotake, K., Kozakai, C., Kozu, R., Kumar, R., Kume, J., Kuo, C., Kuo, H-S., Kuromiya, Y., Kuroyanagi, S., Kusayanagi, K., Kwak, K., Lee, H. K., Lee, H. W., Lee, R., Leonardi, M., Li, K. L., Lin, L. C. -C., Lin, C-Y., Lin, F-K., Lin, F-L., Lin, H. L., Liu, G. C., Luo, L. -W., Majorana, E., Marchio, M., Michimura, Y., Mio, N., Miyakawa, O., Miyamoto, A., Miyazaki, Y., Miyo, K., Miyoki, S., Mori, Y., Morisaki, S., Moriwaki, Y., Nagano, K., Nagano, S., Nakamura, K., Nakano, H., Nakano, M., Nakashima, R., Nakayama, Y., Narikawa, T., Naticchioni, L., Negishi, R., Quynh, L. Nguyen, Ni, W. -T., Nishizawa, A., Nozaki, S., Obuchi, Y., Ogaki, W., Oh, J. J., Oh, K., Oh, S. H., Ohashi, M., Ohishi, N., Ohkawa, M., Ohta, H., Okutani, Y., Okutomi, K., Oohara, K., Ooi, C., Oshino, S., Otabe, S., Pan, K. -C., Pang, H., Parisi, A., Park, J., Arellano, F. E. Peña, Pinto, I., Sago, N., Saito, S., Saito, Y., Sakai, K., Sakai, Y., Sakuno, Y., Sato, S., Sato, T., Sawada, T., Sekiguchi, T., Sekiguchi, Y., Shao, L., Shibagaki, S., Shimizu, R., Shimoda, T., Shimode, K., Shinkai, H., Shishido, T., Shoda, A., Somiya, K., Son, E. J., Sotani, H., Sugimoto, R., Suresh, J., Suzuki, T., Suzuki, T., Tagoshi, H., Takahashi, H., Takahashi, R., Takamori, A., Takano, S., Takeda, H., Takeda, M., Tanaka, H., Tanaka, K., Tanaka, K., Tanaka, T., Tanaka, T., Tanioka, S., Martín, E. N. Tapia San, Telada, S., Tomaru, T., Tomigami, Y., Tomura, T., Travasso, F., Trozzo, L., Tsang, T., Tsao, J-S., Tsubono, K., Tsuchida, S., Tsutsui, T., Tsuzuki, T., Tuyenbayev, D., Uchikata, N., Uchiyama, T., Ueda, A., Uehara, T., Ueno, K., Ueshima, G., Uraguchi, F., Ushiba, T., van Putten, M. H. P. M., Vocca, H., Wang, J., Washimi, T., Wu, C., Wu, H., Wu, S., Xu, W-R., Yamada, T., Yamamoto, K., Yamamoto, K., Yamamoto, T., Yamashita, K., Yamazaki, R., Yang, Y., Yano, K., Yokogawa, K., Yokoyama, J., Yokozawa, T., Yoshioka, T., Yuzurihara, H., Zeidler, S., Zhan, M., Zhang, H., Zhao, Y., Zhu, Z. -H., Goetz, R., Heintze, M., Liu, J., Müller, C., Savage, R., Tanner, D.

论文摘要

卡格拉(Kagra)是地下和低温引力波检测器,从2月25日至2020年3月10日进行了独奏,并首次与GEO 600探测器进行了联合观察,从2020年4月7日至21日(O3GK)。这项研究概述了Kagra检测器的输入光学系统,其中包括各种光学系统,例如激光源,其强度和频率稳定系统,调节器,Faraday隔离器,模式匹配的望远镜和高功率束群。这些光学元件成功地传递到了Kagra干涉仪,并在观察过程中稳定运行。观察到激光频率噪声将检测器灵敏度限制在几个kHz以上,而激光强度并未显着限制检测器敏感性。

KAGRA, the underground and cryogenic gravitational-wave detector, was operated for its solo observation from February 25th to March 10th, 2020, and its first joint observation with the GEO 600 detector from April 7th -- 21st, 2020 (O3GK). This study presents an overview of the input optics systems of the KAGRA detector, which consist of various optical systems, such as a laser source, its intensity and frequency stabilization systems, modulators, a Faraday isolator, mode-matching telescopes, and a high-power beam dump. These optics were successfully delivered to the KAGRA interferometer and operated stably during the observations. The laser frequency noise was observed to limit the detector sensitivity above a few kHz, whereas the laser intensity did not significantly limit the detector sensitivity.

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