Improved performance of the Glasgow 10 m prototype gravitational wave detector using an injection-locked Nd:YAG laser source

Clubley, D.A., Skeldon, K.D., Newton, G., Barr, B.W. , Strain, K.A. and Hough, J. (2001) Improved performance of the Glasgow 10 m prototype gravitational wave detector using an injection-locked Nd:YAG laser source. Physics Letters A, 287(1-2), 62 -64. (doi: 10.1016/S0375-9601(01)00452-2)

Abstract

We present measurements of the displacement sensitivity from the Glasgow 10 m laser interferometric gravitational wave detector using an injection-locked Nd:YAG laser source; the type of laser system intended for use in some of the long-baseline observatories. The spectral density of displacement noise recorded above a few hundred Hz is ~4*10/sup -19/ m/ square root (Hz) which is close to the limit imposed by the shot noise for the optical properties of the system. This represents the best displacement sensitivity obtained with an injection locked Nd:YAG laser to date and provides evidence that close to shot noise limited performance can be obtained with such laser systems.

• Item Type: Articles
• Status: Published
• Refereed: Yes
• Glasgow Author(s) Enlighten ID: Strain, Professor Kenneth and Skeldon, Dr Kenneth and Hough, Professor James and Barr, Dr Bryan and Newton, Dr Gavin
• Authors: Clubley, D.A., Skeldon, K.D., Newton, G., Barr, B.W., Strain, K.A., and Hough, J.
• Subjects: Q Science > QC Physics
• College/School: College of Science and Engineering > School of Physics and Astronomy
• Research Centre: College of Science and Engineering > School of Physics and Astronomy > Institute for Gravitational Research
• Journal Name: Physics Letters A
• Publisher: Elsevier
• ISSN: 0375-9601
• ISSN (Online): 1873-2429
• Published Online: 08 August 2001