Opto-mechanical frequency shifting of scattered light

H. Luck; J. Degallaix; H. Grote; M. Hewitson; S. Hild; B. Willke; K. Danzmann

doi:10.1088/1464-4258/10/8/085004

Opto-mechanical frequency shifting of scattered light

H. Luck^*, J. Degallaix, H. Grote, M. Hewitson, S. Hild, B. Willke, K. Danzmann

^*Corresponding author for this work

Research output: Contribution to journal › Article › Academic › peer-review

Abstract

Light being scattered back from external surfaces or optical components can affect the sensitivity of optical measurement systems such as interferometers. By modulating the optical path length in front of a critical optical component the noise contributions due to the scattered light can be shifted out of the frequency band of interest. An opto-mechanical phase shifter has been designed for this purpose and noise reduction has been demonstrated.

Original language	English
Article number	085004
Number of pages	6
Journal	Journal of Optics A-pure and Applied Optics
Volume	10
Issue number	8
DOIs	https://doi.org/10.1088/1464-4258/10/8/085004
Publication status	Published - 1 Aug 2008
Externally published	Yes

Keywords

scattering
modulation
interferometer
gravitational waves

Access to Document

10.1088/1464-4258/10/8/085004

Cite this

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AU - Luck, H.

AU - Degallaix, J.

AU - Grote, H.

AU - Hewitson, M.

AU - Hild, S.

AU - Willke, B.

AU - Danzmann, K.

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AB - Light being scattered back from external surfaces or optical components can affect the sensitivity of optical measurement systems such as interferometers. By modulating the optical path length in front of a critical optical component the noise contributions due to the scattered light can be shifted out of the frequency band of interest. An opto-mechanical phase shifter has been designed for this purpose and noise reduction has been demonstrated.

KW - scattering

KW - modulation

KW - interferometer

KW - gravitational waves

U2 - 10.1088/1464-4258/10/8/085004

DO - 10.1088/1464-4258/10/8/085004

M3 - Article

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VL - 10

JO - Journal of Optics A-pure and Applied Optics

JF - Journal of Optics A-pure and Applied Optics

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