Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Joshua A. Hadler"'
Autor:
Joshua A. Hadler, Ivan Ryger, Kyle A. Rogers, Tam Vo, Alexandra B. Artusio-Glimpse, John H. Lehman, Daniel King, Paul A. Williams
Publikováno v:
IEEE Transactions on Instrumentation and Measurement. 68:1833-1839
Radiation pressure has recently been shown to have practical application for multikilowatt continuous wave (CW) laser power measurement. One key advantage lies in its ability to measure without absorbing the laser beam. This enables a new measurement
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c396d571af5c2ac7a5e2d7d8b996cb67
https://doi.org/10.1109/tim.2018.2886108
https://doi.org/10.1109/tim.2018.2886108
Autor:
Joshua A. Hadler, Paul A. Williams, Ivan Ryger, Alexandra B. Artusio-Glimpse, John H. Lehman, Natalia A. Azarova
Publikováno v:
Opt Express
We present a small power meter that detects the radiation pressure of an incident high-power laser. Given its small package and non-destructive interaction with the laser, this power meter is well suited to realizing a robust real-time, high-accuracy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c732080dfc2f1a4c6e856bc4baf499f5
https://pubmed.ncbi.nlm.nih.gov/32403809
https://pubmed.ncbi.nlm.nih.gov/32403809
Autor:
Paul A. Williams, Joshua A. Hadler, Christopher L. Cromer, Xiaoyu X. Li, John H. Lehman, J West
Publikováno v:
Metrologia. 55:427-436
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::579935a30cfa394a0622a40c3fd44059
https://doi.org/10.1088/1681-7575/aaae78
https://doi.org/10.1088/1681-7575/aaae78
Autor:
Jack Tanner, Erik A. Pfeif, Paul A. Williams, Jeffrey W. Sowards, Joshua A. Hadler, Chandler Harris, John H. Lehman, Boris Wilthan, Brian J. Simonds
Publikováno v:
Procedia CIRP. 74:632-635
Laser absorptance (coupling efficiency) changes rapidly during laser metal processing due to temperature and multiple phase changes. We find that there is limited literature data available, but that this property is vital for accurate process simulat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::47d07db618a912b4207e1dbadd8b1ffe
https://doi.org/10.1016/j.procir.2018.08.065
https://doi.org/10.1016/j.procir.2018.08.065
Publikováno v:
Metrologia. 54:L19-L25
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d8011a768f99001899c716fbe117ca2f
https://doi.org/10.1088/1681-7575/aa75d2
https://doi.org/10.1088/1681-7575/aa75d2
Publikováno v:
High-Power, High-Energy, and High-Intensity Laser Technology IV.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3070db151142d724f9268aea50830b58
https://doi.org/10.1117/12.2520380
https://doi.org/10.1117/12.2520380
Autor:
Nathan A. Tomlin, C. S. Yung, Jolene D. Splett, Paul A. Williams, Malcolm G. White, David J. Livigni, Joshua A. Hadler, John H. Lehman, Michelle Stephens, Matthew Spidell, Igor Vayshenker, Thomas Gerrits, Amanda Koepke, Gordon A. Shaw
Laser power metrology at the National Institute of Standards and Technology (NIST) ranges 20 orders of magnitude from photon-counting (1000 photons/s) to 100 kW (10^23 photons/s at a wavelength of 1070 nm). As a part of routine practices, we perform
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d35566c0e29cca5f73f4e314153cd30c
Autor:
Joshua A. Hadler, Kyle A. Rogers, John H. Lehman, Alexandra B. Artusio-Glimpse, Paul A. Williams
Publikováno v:
Metrologia. 58:015010
We have demonstrated operation of a new photon momentum radiometer for measuring laser power levels above 1 kW by use of radiation pressure. The ‘axial’ design allows the input and output laser beams to remain collinear and the force sensing can
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b6379e6ae57cce77dd9a53f96a62f3ad
https://doi.org/10.1088/1681-7575/abcd81
https://doi.org/10.1088/1681-7575/abcd81
Publikováno v:
Metrologia. 58:02005
Main text The National Institute of Standards and Technology (NIST), USA and the All-Russian Research Institute for Optical and Physical Measurements (VNIIOFI), Russia agreed in February 2013 to conduct a comparison on the laser power responsivity at
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4983437c9193ac8cca125fe1474105f1
https://doi.org/10.1088/0026-1394/58/1a/02005
https://doi.org/10.1088/0026-1394/58/1a/02005
Publikováno v:
2018 Conference on Precision Electromagnetic Measurements (CPEM 2018).
Radiation pressure has recently been shown to have practical application for multi-kilowatt laser power measurement. One key advantage lies in its ability to measure without absorbing the laser beam. This enables a new measurement paradigm where lase
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::227a76b6259a74e7ec7bb029dbb254e9
https://doi.org/10.1109/cpem.2018.8501072
https://doi.org/10.1109/cpem.2018.8501072