Zobrazeno 1 - 10
of 24
pro vyhledávání: '"G.A.J. Markillie"'
Publikováno v:
Measurement Science and Technology. 9:1456-1461
A measurement procedure is reported for the power density, internal current density and plasma voltage along the flow direction of a discharge section of a fast-axial-flow laser. The rf discharge has a rectangular cross section and a narrow electrode
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::360e6470578921e20119828a8a8961d9
https://doi.org/10.1088/0957-0233/9/9/014
https://doi.org/10.1088/0957-0233/9/9/014
Publikováno v:
CLEO/Europe Conference on Lasers and Electro-Optics.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2a893f20eff11b0c73241be99bd58292
https://doi.org/10.1109/cleoe.1998.719503
https://doi.org/10.1109/cleoe.1998.719503
Autor:
P. A. Field, C. Janke, Krzysztof M. Nowak, Francisco Villarreal, G.A.J. Markillie, Denis R. Hall, Q. Cao, Howard J. Baker, P. R. Murray
Publikováno v:
Conference Digest. 2000 Conference on Lasers and Electro-Optics Europe (Cat. No.00TH8505).
Summary form only given. This paper explores methods of improving the glass machining capabilities of sealed-off, pulsed RF, slab waveguide CO/sub 2/ lasers. Such devices offer a wide range of pulse durations (/spl tau//sub p/), pulse repetition freq
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::39e40b7faaf9734d1f48ebf0398d3ae9
https://doi.org/10.1109/cleoe.2000.909968
https://doi.org/10.1109/cleoe.2000.909968
Autor:
P. R. Murray, Denis R. Hall, Howard J. Baker, Francisco Villarreal, G.A.J. Markillie, R. J. Ramirez
Publikováno v:
Conference Digest. 2000 Conference on Lasers and Electro-Optics Europe (Cat. No.00TH8505).
Summary form only given. Planar waveguide CO/sub 2/ lasers have become the preferred technology for many material processing applications because of their practical advantages in terms of high average power levels, pulsed operation at high repetition
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f037860a3c2df7f34375fdfe2f5c4760
https://doi.org/10.1109/cleoe.2000.910062
https://doi.org/10.1109/cleoe.2000.910062
Effect of vaporization and melt ejection on laser machining of silica glass micro-optical components
Publikováno v:
Applied optics. 41(27)
A new regime for silica glass machining for micro-optical fabrication applications, which uses pulsed CO2 laser radiation in the 2.5-100-micros pulse width region that has been generated by an acousto-optic modulator, is investigated. A filamentary m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f0d1dd41a5e2b5c070dcb386db59af0a
https://pubmed.ncbi.nlm.nih.gov/12269566
https://pubmed.ncbi.nlm.nih.gov/12269566
Autor:
I. Burak, D. M. Joseph, Claire Vallance, D. Minayev, Mark Brouard, G.A.J. Markillie, Patrick O'Keeffe
Publikováno v:
JOURNAL OF CHEMICAL PHYSICS. 114(15)
OH(OD) quantum state populations, rovibrational quantum state-resolved center-of-mass angular scattering distributions, and H2(HD) coproduct internal energy release distributions have been determined for the hot H atom reactions with H2O and D2O at m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1dfb88541ea190904b69fcaf518e175a
http://ora.ox.ac.uk/objects/uuid:06903690-8366-43f2-b048-c191037beba3
http://ora.ox.ac.uk/objects/uuid:06903690-8366-43f2-b048-c191037beba3
Publikováno v:
Technical Digest. Summaries of papers presented at the Conference on Lasers and Electro-Optics. Postconference Technical Digest (IEEE Cat. No.01CH37170).
Summary form only given. We have developed a new laser technology capable of peak/average power ratios of >35, and a /spl times/10 reduction in pulse duration, with no reduction in average power. This laser incorporates improved radiofrequency discha
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::db373e9856d15dbf7292edcfae5ebc3a
https://doi.org/10.1109/cleo.2001.948184
https://doi.org/10.1109/cleo.2001.948184
Publikováno v:
SPIE Proceedings.
High precision laser direct writing of two types of micro- optical structure is demonstrated using a workstation built around a commercial CO2 slab waveguide laser. Drift and fluctuations in beam pointing, beam shape and pulse energy are quantified,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b28c32a762c26b9c9b666154d54ef8c0
https://doi.org/10.1117/12.377073
https://doi.org/10.1117/12.377073
Autor:
P. R. Murray, Francisco Villarreal, Denis R. Hall, Q. Cao, G.A.J. Markillie, P. A. Field, Howard J. Baker
Publikováno v:
International Congress on Applications of Lasers & Electro-Optics.
The enhancement of the efficiency of CO2 slab waveguide lasers for micro-machining applications by the reduction of the pulse width and an increase in the peak power has been demonstrated by two different approaches. The first uses short high RF peak
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1335b6a7f4c6346c1633001b588226b7
https://doi.org/10.2351/1.5059305
https://doi.org/10.2351/1.5059305
Electrical properties of narrow-gap slab rf discharges in a high-pressure fast-axial-flow CO 2 laser
Publikováno v:
SPIE Proceedings.
High pressure operation of a fast-axial-flow CO 2 laser, with a rectangular cross-section RF slab discharge is demonstrated in both cw and pulsed modes. Spatially resolved measurements of discharge power densities give good agrement with total input
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::51cad8dc837642dcb100d4b8ff00146f
https://doi.org/10.1117/12.334422
https://doi.org/10.1117/12.334422