Construction and Commissioning of Mid-Infrared SASE FEL at cERL
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| Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
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| Format: | Preprint |
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2021
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| _version_ | 1866914838358261760 |
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| author | Honda, Yosuke Adachi, Masahiro Eguchi, Shu Fukuda, Masafumi Hajima, Ryoichi Higashi, Nao Kakehata, Masayuki Kato, Ryukou Miura, Takako Miyajima, Tsukasa Nagahashi, Shinya Nakamura, Norio Nigorikawa, Kazuyuki Nogami, Takashi Obina, Takashi Sagehashi, Hidenori Sakai, Hiroshi Sato, Tadatake Shimada, Miho Shioya, Tatsuro Takai, Ryota Tanaka, Olga Tanimoto, Yasunori Tsuchiya, Kimichika Uchiyama, Takashi Ueda, Akira Yamamoto, Masahiro Yashiro, Hidehiko Zhou, Demin |
| author_facet | Honda, Yosuke Adachi, Masahiro Eguchi, Shu Fukuda, Masafumi Hajima, Ryoichi Higashi, Nao Kakehata, Masayuki Kato, Ryukou Miura, Takako Miyajima, Tsukasa Nagahashi, Shinya Nakamura, Norio Nigorikawa, Kazuyuki Nogami, Takashi Obina, Takashi Sagehashi, Hidenori Sakai, Hiroshi Sato, Tadatake Shimada, Miho Shioya, Tatsuro Takai, Ryota Tanaka, Olga Tanimoto, Yasunori Tsuchiya, Kimichika Uchiyama, Takashi Ueda, Akira Yamamoto, Masahiro Yashiro, Hidehiko Zhou, Demin |
| contents | The mid-infrared range is an important spectrum range where materials exhibit a characteristic response corresponding to their molecular structure. A free-electron laser (FEL) is a promising candidate for a high-power light source with wavelength tunability to investigate the nonlinear response of materials. Although the self-amplification spontaneous emission (SASE) scheme is not usually adopted in the mid-infrared wavelength range, it may have advantages such as layout simplicity, the possibility of producing a single pulse, and scalability to a short-wavelength facility. To demonstrate the operation of a mid-infrared SASE FEL system in an energy recovery linac (ERL) layout, we constructed an SASE FEL setup in cERL, a test facility of the superconducting linac with the ERL configuration. Despite the adverse circumstance of space charge effects due to the given boundary condition of the facility, we successfully established the beam condition at the undulators, and observed FEL emission at a wavelength of 20 $μ$m. The results show that the layout of cERL has the potential for serving as a mid-infrared light source. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2106_13247 |
| institution | arXiv |
| publishDate | 2021 |
| record_format | arxiv |
| spellingShingle | Construction and Commissioning of Mid-Infrared SASE FEL at cERL Honda, Yosuke Adachi, Masahiro Eguchi, Shu Fukuda, Masafumi Hajima, Ryoichi Higashi, Nao Kakehata, Masayuki Kato, Ryukou Miura, Takako Miyajima, Tsukasa Nagahashi, Shinya Nakamura, Norio Nigorikawa, Kazuyuki Nogami, Takashi Obina, Takashi Sagehashi, Hidenori Sakai, Hiroshi Sato, Tadatake Shimada, Miho Shioya, Tatsuro Takai, Ryota Tanaka, Olga Tanimoto, Yasunori Tsuchiya, Kimichika Uchiyama, Takashi Ueda, Akira Yamamoto, Masahiro Yashiro, Hidehiko Zhou, Demin Accelerator Physics The mid-infrared range is an important spectrum range where materials exhibit a characteristic response corresponding to their molecular structure. A free-electron laser (FEL) is a promising candidate for a high-power light source with wavelength tunability to investigate the nonlinear response of materials. Although the self-amplification spontaneous emission (SASE) scheme is not usually adopted in the mid-infrared wavelength range, it may have advantages such as layout simplicity, the possibility of producing a single pulse, and scalability to a short-wavelength facility. To demonstrate the operation of a mid-infrared SASE FEL system in an energy recovery linac (ERL) layout, we constructed an SASE FEL setup in cERL, a test facility of the superconducting linac with the ERL configuration. Despite the adverse circumstance of space charge effects due to the given boundary condition of the facility, we successfully established the beam condition at the undulators, and observed FEL emission at a wavelength of 20 $μ$m. The results show that the layout of cERL has the potential for serving as a mid-infrared light source. |
| title | Construction and Commissioning of Mid-Infrared SASE FEL at cERL |
| topic | Accelerator Physics |
| url | https://arxiv.org/abs/2106.13247 |