Towards Flexible Intensity Control of Resonantly Scattered $γ$-Rays Using Multi-Frequency Vibrating Resonant Absorber
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arXiv
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| Format: | Preprint |
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2024
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| _version_ | 1866916651620892672 |
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| author | Stejskal, Aleš Vrba, Vlastimil Procházka, Vít |
| author_facet | Stejskal, Aleš Vrba, Vlastimil Procházka, Vít |
| contents | We report a method for coherent control of $γ$-photons, enabling the shaping of $γ$-ray intensity in nearly arbitrary waveforms. Different intensity waveforms are created by adjusting the motion profile of a resonant absorber (an ensemble of Mössbauer nuclei) and tuning the energy of the incident radiation. A crucial aspect of this method is the use of a low fundamental frequency of vibrations, which broadens the possibilities for $γ$-ray control. The results of numerical simulations are experimentally validated by generating single and double $γ$-pulses and inducing short-term absorption. For this, a resonant absorber containing $^{57}$Fe nuclei was vibrated with different motion profiles composed of 12 harmonics with a fundamental frequency of 1\,MHz. The proposed technique represents an advancement in the manipulation of $γ$-rays and potentially X-rays, paving the way for the performance of unique types of $γ$-ray or X-ray quantum experiments and the development of tools such as adjustable tabletop $γ$-pulse sources or $γ$-ray or X-ray delays and gates. Moreover, inverse application of the method enables investigation of motion at the picometer scale. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2410_05277 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Towards Flexible Intensity Control of Resonantly Scattered $γ$-Rays Using Multi-Frequency Vibrating Resonant Absorber Stejskal, Aleš Vrba, Vlastimil Procházka, Vít Instrumentation and Detectors Nuclear Experiment We report a method for coherent control of $γ$-photons, enabling the shaping of $γ$-ray intensity in nearly arbitrary waveforms. Different intensity waveforms are created by adjusting the motion profile of a resonant absorber (an ensemble of Mössbauer nuclei) and tuning the energy of the incident radiation. A crucial aspect of this method is the use of a low fundamental frequency of vibrations, which broadens the possibilities for $γ$-ray control. The results of numerical simulations are experimentally validated by generating single and double $γ$-pulses and inducing short-term absorption. For this, a resonant absorber containing $^{57}$Fe nuclei was vibrated with different motion profiles composed of 12 harmonics with a fundamental frequency of 1\,MHz. The proposed technique represents an advancement in the manipulation of $γ$-rays and potentially X-rays, paving the way for the performance of unique types of $γ$-ray or X-ray quantum experiments and the development of tools such as adjustable tabletop $γ$-pulse sources or $γ$-ray or X-ray delays and gates. Moreover, inverse application of the method enables investigation of motion at the picometer scale. |
| title | Towards Flexible Intensity Control of Resonantly Scattered $γ$-Rays Using Multi-Frequency Vibrating Resonant Absorber |
| topic | Instrumentation and Detectors Nuclear Experiment |
| url | https://arxiv.org/abs/2410.05277 |