Turn-Key Green Astro-Comb.

交钥匙绿色 Astro-Comb。

基本信息

项目摘要

The search for exoplanets, or planets orbiting stars other than our sun, is moving forward at a rapid pace. Progress in this field is largely driven by our technological ability to build instruments that can measure tiny radial velocity changes of a star's light as its planet or planets tug it towards us or away from us, creating a tiny "Doppler" shift in the stellar spectrum revealing orbiting companions. This technology in turn is largely limited by our ability to calibrate our planet-hunting instruments. Calibration identifies spurious errors that would otherwise mimic radial motion in a stationary star. The proposal in this case aims to build an easy-to-operate calibration system that will generate a comb of light with peak outputs spaced in wavelength, with fine enough comb scale to significantly advance the current state of the art in planet hunting instrumentation.The calibrator being built will be automated, and is intended for use on the HARPS-N spectrograph located at the TNG telescope in the Canary Islands. It will be a "turn-key", easy-to-operate astro-comb, producing outputs in the middle of the visible spectrum (~500-620 nm), and will enable precision radial velocity measurements with sensitivity 10 cm/s over arbitrarily long periods of time. The calibrator will be usable by telescope operators and observers without the need for laser scientists to be on site. The science thus enabled includes determination of the mass of Earth-like exoplanets, direct measurements of the acceleration of the young universe, and investigation of the constancy of fundamental constants over cosmological time scales.This project will train students and postdoctoral researchers in scientific practices at the interface of ultrafast optical physics and astronomical instrument building and observation. The techniques to be developed will contribute to a wide array of interdisciplinary and commercial applications in fields such as few-cycle optical pulses, molecular spectroscopy, and bioimaging.Funding for this project is being provided by NSF's Division of Astronomical Sciences through its Advanced Technologies and Instrumentation program.
寻找系外行星,或围绕太阳以外的恒星运行的行星,正在快速前进。 这一领域的进展主要是由我们的技术能力驱动的,我们能够建造仪器,测量星星的光线在其行星或行星将其拉向我们或远离我们时的微小径向速度变化,在恒星光谱中产生微小的“多普勒”位移,揭示轨道同伴。 这项技术反过来又在很大程度上受到我们校准行星狩猎仪器的能力的限制。 校准识别虚假的错误,否则将模仿径向运动在一个静止的星星。 在这种情况下,该建议旨在建立一个易于操作的校准系统,将产生一个梳状光与峰值输出间隔的波长,具有足够精细的梳状尺度,以显着推进行星狩猎仪器的当前最先进的水平。正在建设的校准器将是自动化的,并打算在位于加那利群岛的TNG望远镜的HARPS-N摄谱仪上使用。 这将是一个“交钥匙”,易于操作的天文梳,产生可见光谱中间(~500-620纳米)的输出,并将能够在任意长的时间内以10厘米/秒的灵敏度进行精确的径向速度测量。 望远镜操作员和观察员将可以使用校准器,而不需要激光科学家在现场。 由此开展的科学研究包括确定类地系外行星的质量、直接测量年轻宇宙的加速度以及研究宇宙学时间尺度上基本常数的恒定性,该项目将培训学生和博士后研究人员在超快光学物理学和天文仪器制造与观测的科学实践方面的能力。 该技术将被开发,将有助于广泛的跨学科和商业应用领域,如几个周期的光脉冲,分子光谱学和生物成像。该项目的资金是由美国国家科学基金会的天文科学部通过其先进技术和仪器计划提供。

项目成果

期刊论文数量(0)
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科研奖励数量(0)
会议论文数量(0)
专利数量(0)

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Ronald Walsworth其他文献

Collisions give sense of direction
碰撞赋予方向感
  • DOI:
    10.1038/nphys204
  • 发表时间:
    2006-01-01
  • 期刊:
  • 影响因子:
    18.400
  • 作者:
    Richard Stoner;Ronald Walsworth
  • 通讯作者:
    Ronald Walsworth

Ronald Walsworth的其他文献

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{{ truncateString('Ronald Walsworth', 18)}}的其他基金

Collaborative Research: Biophysical Analysis of Magnetosome Development in Magnetotactic Bacteria Under Ambient Conditions
合作研究:环境条件下趋磁细菌磁小体发育的生物物理分析
  • 批准号:
    1504610
  • 财政年份:
    2015
  • 资助金额:
    $ 67.44万
  • 项目类别:
    Continuing Grant
Wide-field magnetic imager with nanoscale resolution
具有纳米级分辨率的宽视场磁成像仪
  • 批准号:
    1310285
  • 财政年份:
    2013
  • 资助金额:
    $ 67.44万
  • 项目类别:
    Standard Grant
Fiber-laser Astro-comb as a Robust Wavelength Calibrator for Astrophysical Spectrographs
光纤激光天文梳作为天体物理光谱仪的稳健波长校准器
  • 批准号:
    1310981
  • 财政年份:
    2013
  • 资助金额:
    $ 67.44万
  • 项目类别:
    Continuing Grant
Wide-field magnetic imager with nanoscale resolution
具有纳米级分辨率的宽视场磁成像仪
  • 批准号:
    1408075
  • 财政年份:
    2013
  • 资助金额:
    $ 67.44万
  • 项目类别:
    Standard Grant
Precision Measurements with Polarized Spins
通过极化旋转进行精确测量
  • 批准号:
    1068876
  • 财政年份:
    2011
  • 资助金额:
    $ 67.44万
  • 项目类别:
    Standard Grant
Collaborative Research: Development of a Green-Orange Astro-comb for Exoplanet and Cosmology Research
合作研究:开发用于系外行星和宇宙学研究的绿橙色天文梳
  • 批准号:
    1006503
  • 财政年份:
    2010
  • 资助金额:
    $ 67.44万
  • 项目类别:
    Continuing Grant
Precision measurements with polarized spins
极化旋转的精确测量
  • 批准号:
    0915563
  • 财政年份:
    2009
  • 资助金额:
    $ 67.44万
  • 项目类别:
    Continuing Grant
Collaborative Research: An Ultrastable Blue Astro Comb for Exoplanet and Cosmology Research
合作研究:用于系外行星和宇宙学研究的超稳定蓝色 Astro 梳
  • 批准号:
    0905214
  • 财政年份:
    2009
  • 资助金额:
    $ 67.44万
  • 项目类别:
    Standard Grant
Collaborative Research Optical and Dynamic Nuclear Polarization Approaches to Hyperpolarization of Nanoparticles for Molecular Imaging
用于分子成像的纳米粒子超极化的光学和动态核极化方法的合作研究
  • 批准号:
    0932985
  • 财政年份:
    2009
  • 资助金额:
    $ 67.44万
  • 项目类别:
    Standard Grant
Precision measurements with polarized spins
极化旋转的精确测量
  • 批准号:
    0801042
  • 财政年份:
    2008
  • 资助金额:
    $ 67.44万
  • 项目类别:
    Continuing Grant

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