Results 251 to 260 of about 349,914 (309)

Target-Specificity and repeatability in neuro-cardiac-guided TMS for heart-brain coupling. [PDF]

open access: yesTransl Psychiatry
Feng ZJ   +8 more
europepmc   +1 more source

Intensity-modulated radiation therapy

Current Problems in Cancer, 2004
For the non radiotherapist, the recent developments of conformal radiotherapy and Intensity Modulated Radiotherapy (IMRT) may represent merely an increase in mystification from a baseline already shrouded in the obscure dark arts of physics. However, the principles of these developments are simple and as the technologies become available, there are ...
Natia, Esiashvili   +2 more
openaire   +4 more sources

Intensity‐modulated radiation therapy

Journal of Surgical Oncology, 2008
AbstractIntensity‐modulated radiation therapy (IMRT) has found widespread use in the treatment of head and neck cancers. This technology allows for conformal dose distributions around a tumor target while a rapid dose fall‐off spares surrounding critical structures.
N Y, Lee, S A, Terezakis
openaire   +3 more sources

Intensity-modulated moiré topography

Applied Optics, 1999
Moiré topography has the advantage of requiring only a single image to obtain a three-dimensional measurement, but it cannot discern the fringe order. Because there is an ambiguity problem when calculating the depth range by use of fringe intensity or phase unwrapping, it is impossible to obtain an absolute phase and an absolute depth range.
C, Lu, S, Inokuchi
openaire   +2 more sources

Intensity-Modulated Radiation Therapy

Radiation Research, 2002
Intensity-modulated radiation therapy (IMRT) is an increasingly popular technical means of tightly focusing the radiation dose around a cancer. As with stereotactic radiotherapy, IMRT uses multiple fields and angles to converge on the target. The potential for total dose escalation and for escalation of daily fraction size to the gross cancer is ...
Thomas E, Goffman, Eli, Glatstein
openaire   +2 more sources

Achromatic Intensity Modulator

Spatial Light Modulators and Applications, 1993
The limits of polarization rotation as a means of intensity modulation can be significantly improved using a system employing chiral smectic liquid crystals.
J. E. Stockley   +3 more
openaire   +1 more source

Acoustooptic modulator intensity servo

Applied Optics, 1979
A device has been constructed that combines optical isolation and amplitude noise reduction by the use of a servo controlled acoustooptic intensity modulator. The isolation can, in principle, be perfect while the noise reduction can be significant up to about 100 kHz and as large as 80 dB at low frequency.
openaire   +2 more sources

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