NOTICE: Due to a lapse in annual appropriations, most of this website is not being updated. Learn more.

Form submissions will still be accepted but will not receive responses at this time. Sections of this site for programs using non-appropriated funds (such as NVLAP) or those that are excepted from the shutdown (such as CHIPS and NVD) will continue to be updated.

U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

PUBLICATIONS

Low-Loss Reciprocal Optical Terminals for Two-Way Time-Frequency Transfer

Published

Author(s)

William C. Swann, Laura C. Sinclair, Isaac H. Khader, Nathan R. Newbury, Jean-Daniel Deschenes, Hugo Bergeron

Abstract

Optical two-way time-frequency transfer (O-TWTFT) over atmospheric free-space paths requires low- loss, single-mode, bi-directional and fully reciprocal optical terminals for transmitting precise frequency comb pulses over 10 kilometer scale paths. We discuss the design and performance of a low-cost, robust and compact free-space terminal design employing simple tip / tilt pointing compensation that enables O-TWTFT over highly turbulent links.
Citation
Applied Optics
Volume
56
Pub Type
Journals

Download Paper

https://doi.org/10.1364/AO.56.009406
Time and frequency metrology

Citation

Swann, W. , Sinclair, L. , Khader, I. , Newbury, N. , Deschenes, J. and Bergeron, H. (2017), Low-Loss Reciprocal Optical Terminals for Two-Way Time-Frequency Transfer, Applied Optics, [online], https://doi.org/10.1364/AO.56.009406 (Accessed October 8, 2025)

Issues

If you have any questions about this publication or are having problems accessing it, please contact [email protected].

Created November 22, 2017, Updated November 10, 2018
Was this page helpful?