Zobrazeno 1 - 10
of 89
pro vyhledávání: '"Zuhai Cheng"'
Publikováno v:
Optics Communications. 289:114-118
Spatially and temporally resolved emission spectra of laser-induced air plasma in the stage of laser pulse action were studied. Due to the expansion of laser supported detonation wave and shielding effect at the critical surface for CO 2 laser radiat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dc7d30d30fe813943b0be9d5ccb1a5a2
https://doi.org/10.1016/j.optcom.2012.08.096
https://doi.org/10.1016/j.optcom.2012.08.096
Publikováno v:
Optics Communications. 284:3622-3625
Tunable third-harmonic and fourth-harmonic generations of pulsed CO2 laser radiation in a GaSe crystal were demonstrated. The optical properties of GaSe and phase-matching conditions in harmonic generations were investigated. The output peak powers f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::357fbe3a03dd31dd9ef56d7c66b6a71b
https://doi.org/10.1016/j.optcom.2011.03.086
https://doi.org/10.1016/j.optcom.2011.03.086
Publikováno v:
IEEE Transactions on Plasma Science. 39:1114-1119
In this paper, the laser propulsion plasma has been diagnosed experimentally using the method of optical emission spectroscopy. The spectral evolution of the air plasma generated by pulsed CO2 laser radiation with a parabolic reflector was studied, w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b67b0a40e16c71689116521757440d8f
https://doi.org/10.1109/tps.2011.2109738
https://doi.org/10.1109/tps.2011.2109738
Publikováno v:
Journal of Infrared, Millimeter, and Terahertz Waves. 31:1422-1426
Experimental studies on an efficient high-energy pulsed NH3 terahertz (THz) laser pumped by a TEA CO2 laser are presented. Pulsed THz radiation of 204 mJ with a wavelength of 151.5 μm was generated from an ammonia laser pumped by a 32 J TEA CO2 lase
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8a6911cb3a20020f529a648098a8bb53
https://doi.org/10.1007/s10762-010-9733-x
https://doi.org/10.1007/s10762-010-9733-x
Publikováno v:
Applied Physics B. 103:387-390
Coherent terahertz radiation in a widely step-tunable range of 72.3–2706 μm (0.11–4.15 THz) has been generated in GaAs crystal by difference-frequency generation using one CO2 laser with dual-wavelength output. The peak power of THz pulse reache
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7b84a61ebed0f12d733ec951b98777ab
https://doi.org/10.1007/s00340-010-4255-8
https://doi.org/10.1007/s00340-010-4255-8
Publikováno v:
Optics and Lasers in Engineering. 48:888-892
An efficient ammonia Fabry–Perot (F–P) cavity terahertz (THz) laser has been studied experimentally in this article. The input and output couplers also served as sealed windows fabricated by depositing nickel capacitive metallic meshes on ZnSe an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::26896d3ce70cdb5db1945468c95ded0e
https://doi.org/10.1016/j.optlaseng.2010.03.018
https://doi.org/10.1016/j.optlaseng.2010.03.018
Publikováno v:
Optics Communications. 283:3171-3175
The efficiency of a simply designed cavity for optically pumped pulsed terahertz lasers is studied experimentally. A coated Ge and a crystal quartz act as the input and output windows, respectively. The thickness of the Ge window is designed accordin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::50a4bfb536c4efdea21417112256736d
https://doi.org/10.1016/j.optcom.2010.04.011
https://doi.org/10.1016/j.optcom.2010.04.011
Publikováno v:
Frontiers of Optoelectronics in China. 3:303-307
Stripping the polymer coating is the first step for the fabrication of fiber Bragg grating (FBG). The conventional stripping approaches are labor intensive and time consuming. Because of high precision and throughput, as well as non-contacting, laser
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fc1ca054ec521ee126dd81394b284f05
https://doi.org/10.1007/s12200-010-0097-6
https://doi.org/10.1007/s12200-010-0097-6
Publikováno v:
Optics Communications. 283:574-578
The output power for terahertz lasers influenced drastically by slight changes in the transmittance of the output coupler for a certain terahertz frequency has been discussed in the paper. Therefore it is necessary to design an output coupler whose t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bd3eda488943ff88f50610c5ab4d1577
https://doi.org/10.1016/j.optcom.2009.10.099
https://doi.org/10.1016/j.optcom.2009.10.099
Publikováno v:
Optics & Laser Technology. 38:594-598
Under irradiating of the laser power of 2 kW, the thermal deformations of the silicon mirror substrates with phase change materials are experimentally measured and numerically analyzed by using finite element methods, respectively. The experimental r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cae3225f1649ebd4f5536a932b8f40d9
https://doi.org/10.1016/j.optlastec.2005.01.009
https://doi.org/10.1016/j.optlastec.2005.01.009