Effect of Near-field Distribution on Transmission Characteristics of Fiber-fed Fabry–Perot Etalons

Journal Article · Tue Jun 01 04:00:00 EDT 2021 · The Astronomical Journal (Online)

DOI:https://doi.org/10.3847/1538-3881/ABF045· OSTI ID:23159239

Jun, Hao; Tang, Liang; Huiqi, Ye; Hao, Zhibo; Han, Jian; Zhai, Yang; Zhang, Kai; Xiao, Dong ^[1]; Wei, Ruyi ^[2]

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1. National Astronomical Observatories/Nanjing Institute of Astronomical Optics & Technology, Chinese Academy of Sciences, Nanjing 210042 (China)
2. Xi’an Institute of Optics & Precision Mechanics, Chinese Academy of Sciences, Xi’an 710119 (China)

Fiber-fed etalons are widely employed in advanced interferometric instruments such as gravitational-wave detectors, ultrastable lasers and calibration reference for high-precision spectrographs. We demonstrate that variation in near-field distribution of the feeding fiber would deteriorate the spectrum precision of the fiber-fed Fabry–Perot etalon, especially when precision at the order of 3 × 10{sup -10} or higher is required. The octagonal fiber reinforced with double scrambler could greatly improve the steadiness and uniformness of the near-field distribution. When building wavelength calibrators for sub-m s{sup -1} precision radial-velocity instruments, the double scrambler should be considered meticulously.

• OSTI ID: 23159239
• Journal Information: The Astronomical Journal (Online), Journal Name: The Astronomical Journal (Online) Journal Issue: 6 Vol. 161; ISSN 1538-3881
• Country of Publication: United States
• Language: English

Related Subjects

47 OTHER INSTRUMENTATION
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
ACCURACY
CALIBRATION
FABRY-PEROT INTERFEROMETER
FIBERS
GRAVITATIONAL WAVE DETECTORS
LASERS
RADIAL VELOCITY
SPECTRA
WAVELENGTHS