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诱导的超低光学吸收和无形中的机械损失,用于引力波探测器

M Molina-Ruiz¹, A Markosyan², R Bassiri²

¹Department of Physics, University of California, Berkeley, California 94720, USA.

Physical review letters

|January 5, 2024

概括

无形的化减少了光学吸收和机械损失,改善了引力波探测器的镜面涂层. 这一策略为提高探测器灵敏度提供了一个有希望的途径.

科学领域:

材料科学材料科学材料科学
光学是什么?光学是什么?光学是什么?
天体物理学天体物理学

背景情况:

重力波探测器的灵敏度受到无形镜面涂层中的机械损失的限制.
无形比目前的涂料具有更高的折射率和更低的机械损耗.
在探测器波长的无形中高光学吸收是一个重大挑战.

研究的目的:

为了研究合物对无形薄膜的影响.
为了减少光学吸收和无形中的机械损失,用于引力波探测器应用.
评估化无形在先进镜子涂层中的潜力.

主要方法:

在各种条件下制备无形薄膜.
无形网络的化.
对500nm厚的薄膜在2000nm的光学吸收的测量.
评估不同波长和温度的机械损耗.

主要成果:

的加入显著降低了光学吸收和无形的机械损失.
在室温下培养的膜显示了最大的吸收和最低的光学吸收 (<10 ppm).
化在一系列的制备条件,波长和温度中是有效的.

结论:

化是一种有前途的策略,可以减轻无形中的光学吸收和机械损失.
这种方法可能使下一代引力波探测器能够制造出改进的镜子涂层.
增强的镜子涂层可以导致引力波探测器灵敏度的显著改善.

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