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首页> 外文会议>Techniques and Instrumentation for Detection of Exoplanets III; Proceedings of SPIE-The International Society for Optical Engineering; vol.6693 >A proposed laser frequency comb based wavelength reference for high resolution spectroscopy
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A proposed laser frequency comb based wavelength reference for high resolution spectroscopy

机译：一种基于激光频率梳的高分辨率光谱参考波长

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摘要

High resolution spectroscopy is the foundation for many challenging astronomical observations. A highly precise, repeatable and stable wavelength calibration is especially essential for long term radial velocity observations. The two wavelength references in wide use for visible wavelengths, iodine absorption cells and thorium/argon lamps, each have fundamental limitations which restrict their ultimate utility.We are exploring the possibility of adapting emerging laser frequency comb technology in development at the National Institute of Standards and Technology in Boulder, Colorado, to the needs of high resolution, high stability astronomical spectroscopy. This technology has the potential to extend the two current wavelength standards both in terms of spectral coverage and in terms of long term precision, ultimately enabling better than 10 cm/s astronomical radial velocity determination.
机译：高分辨率光谱学是许多具有挑战性的天文观测的基础。高精度，可重复和稳定的波长校准对于长期径向速度观测尤其重要。碘吸收池和or /氩灯这两种广泛用于可见波长的波长参考都有各自的局限性，限制了它们的最终用途。我们正在美国国家标准学会探索开发新兴激光频率梳技术的可能性。科罗拉多州博尔德市的高科技公司，以满足高分辨率，高稳定性天文光谱学的需求。这项技术有可能在频谱覆盖范围和长期精度方面扩展两个当前的波长标准，最终实现优于10 cm / s的天文径向速度测定。

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