Skip to main content
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.

Technical Note (NIST TN)

TEM Horn Antenna Design Principles

Author(s)
Chriss A. Grosvenor, Robert T. Johnk, David R. Novotny, Nino Canales, Benjamin Davis, Jason Veneman
The National Institute of Standards and Technology has developed several ultra-wideband, TEM Horn antennas with phase linearity, short impulse duration, and a

A Review of Building Evacuation Models

Author(s)
Erica D. Kuligowski, Richard D. Peacock
Evacuation calculations are increasingly becoming a part of performance-based analyses to assess the level of life safety provided in buildings. In some cases

Uncertainty of the NIST Electrooptic Sampling System

Author(s)
Dylan F. Williams, Paul D. Hale, Tracy S. Clement
We present an uncertainty analysis of measurements performed with NIST's electrooptic sampling system. The system measures the voltage waveform injected by a

CF3I Stability Under Storage.

Author(s)
Michelle K. Donnelly, Richard H. Harris Jr., Jiann C. Yang
This research investigates the stability of iodotrifluoromethane (CF3I) during storage. For CF3I to be used as a fire extinguishing agent, it must be able to be