Results 201 to 210 of about 5,546,675 (248)

High-average-power excimer lasers

SPIE Proceedings, 1998
A review of recent achievements and new tendencies in the development high energy, high repetition rate excimer lasers will be presented. The paper mainly focuses on the features of KrF, XeCl lasers with different combinations of output energy x pulse repetition frequency, for example: 1 J X 600 Hz (KrF); 3 J X 200 Hz or 10 J X 100 Hz (XeCl), which ...
Vladimir M. Borisov, Andrei I. Demin, Oleg B. Khristoforov, Yurii B. Kirykhin, Aleksandr Y. Vinokhodov, V. A. Vodchits, Dirk Basting, Uwe Stamm, Frank Voss, Igor Bragin   +9 more
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Spatial Averaging in Sound-Power Measurements

The Journal of the Acoustical Society of America, 1969
To measure sound power in a reverberation room, we need to estimate the space-time average of squared sound pressure. While the time average usually presents no special problem, the space average may, particularly for acoustic signals having pure-tone or extremely narrow-band spectra.
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High-average-power exciplex flashlamps

SPIE Proceedings, 1995
The results of an experimental study of coaxial exciplex lamps pumped by various types of discharge (the longitudinal discharge, barrier discharge, or continuous glow discharge) are presented. The mixture compositions and pressures as well as the pumping pulse parameters have been optimized for the production of radiation with (lambda) equals 350, 308,
Mikhail I. Lomaev, Alexei N. Panchenko, Victor S. Skakun, Edward A. Sosnin, Victor F. Tarasenko   +4 more
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High average power ultrafast lasers

2011 Conference on Lasers and Electro-Optics Europe and 12th European Quantum Electronics Conference (CLEO EUROPE/EQEC), 2011
Ultrafast lasers have found widespread applications in science and industry. In order to increase the throughput in micromachining and to reduce the measurement time in scientific applications, the average power of these laser sources needs to be increased.
Weitenberg, J., Russbueldt, P., Hoffmann, H.-D., Poprawe, R.   +3 more
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High Average Power Ho:YAG Laser

Advanced Solid-State Photonics, 2007
27.4 W of average power in a beam with M2
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Stochastic power control with averaging

2000 IEEE International Conference on Personal Wireless Communications. Conference Proceedings (Cat. No.00TH8488), 2002
Uplink communication in a cellular radio network is considered where the base station in each cell employs a linear or nonlinear (decision feedback) multiuser receiver. For any such receiver, the problem of minimizing total transmit power under the constraint that all the users of the network achieve their quality-of-service (QoS) objective in terms of
D. Das, M.K. Varanasi
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Transmission line based power averaging

Eighteenth Convention of Electrical and Electronics Engineers in Israel, 2002
A method for pulsating power filtration is suggested in this paper. The main principle for this kind of solution is based on the fact that the time of appearance of a pulse traveling on a channel (transmission line in this case) is directly proportional to the electrical length of the channel.
D. Shmilovitz, S. Singer
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Finite-time averaged power spectra

IEEE Transactions on Information Theory, 1971
This paper deals with harmonizable nonstationary second-order stochastic processes. The approximations and hypotheses that are necessary to derive a spectral distribution for the finite-time averaged power are first considered. Then the class of asymptotically stationary processes is defined; an expression is established for the spectral distribution ...
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Maximum Average-Power (MAP) Tests

Communications in Statistics - Theory and Methods, 2007
The objective of this article is to propose and study frequentist tests that have maximum average power, averaging with respect to some specified weight function. First, some relationships between these tests, called maximum average-power (MAP) tests, and most powerful or uniformly most powerful tests are presented.
Lin-An Chen, Hui-Nien Hung, Chih-Rung Chen   +2 more
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High-average-power xenon laser

IEEE Journal of Quantum Electronics, 1973
A transversely excited pulsed Xe laser producing over 10 W of average multiwavelength infrared power at a pulse repetition frequency of 1.2 kHz is described. A diffraction grating allows single-line operation at 2.03, 2.65, 3.43, or 3.65 μ.
T. Fahlen, R. Targ
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