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.

Joshua Hadler (Fed)

Publications

Radiation-Pressure Enabled Traceable Laser Sources at High CW Powers

Author(s)
Paul A. Williams, Alexandra B. Artusio-Glimpse, Joshua A. Hadler, Daniel King, Ivan Ryger, Tam Vo, John H. Lehman, Kyle A. Rogers
Radiation pressure has recently been shown to have practical application for multi-kilowatt CW laser power measurement. One key advantage lies in its ability to
View more Publications

Patents (2018-Present)

Commercial Fiber Optic FC-Style Connector (does not depict the invention).

Fiber Optic Safety Lock

NIST Inventors
Joshua Hadler
The patent-pending NIST Fiber Optic Safety Lock (“Safety Lock”) ensures continuous connection of fiber optic cables, thereby preventing laser hazards and critical system failures. The device features a specially designed fiber connector lock that requires a tool to access the connector. The Safety
image for 10,837,828

Non-attenuating Meter for Determining Optical Energy of Laser Light

NIST Inventors
Joshua Hadler , John H. Lehman , Matthew Spidell and Paul A. Williams
A non-attenuating meter determines optical energy of laser light in an absence of optical attenuation of the laser light and includes: a recipient mirror that: receives laser light that propagates in a primary propagation direction; produces profile light; transmits the profile light through the
View All Patents
Created July 30, 2019, Updated December 9, 2022
Was this page helpful?