Skip to search form
Skip to main content
Skip to account menu
Semantic Scholar
Semantic Scholar's Logo
Search 230,521,910 papers from all fields of science
Search
Sign In
Create Free Account
Collimator Device Component
Known as:
Collimation
, Collimator
A diaphragm or system of diaphragms made of an absorbing material, designed to define and restrict the dimensions and direction of a beam of…
Expand
National Institutes of Health
Create Alert
Alert
Related topics
Related topics
2 relations
Broader (1)
Collimator devices
Medical Device Component or Accessory
Papers overview
Semantic Scholar uses AI to extract papers important to this topic.
Highly Cited
2004
Highly Cited
2004
A 5-V operated MEMS variable optical attenuator by SOI bulk micromachining
K. Isamoto
,
Kazuya Kato
,
A. Morosawa
,
C. Chong
,
Hiroyuki Fujita
,
H. Toshiyoshi
IEEE Journal of Selected Topics in Quantum…
2004
Corpus ID: 34569319
We report the design, fabrication, and successful demonstration of microelectromechanical variable optical attenuator (VOA) using…
Expand
Highly Cited
2002
Highly Cited
2002
Dosimetric considerations for validation of a sequential IMRT process with a commercial treatment planning system.
P. Cadman
,
R. Bassalow
,
N. Sidhu
,
G. Ibbott
,
A. Nelson
Physics in Medicine and Biology
2002
Corpus ID: 21376329
Commercial multileaf collimator (MLC) systems can employ leaves with rounded ends. Treatment planning beam modelling should…
Expand
Highly Cited
2001
Highly Cited
2001
Impact of simple tissue inhomogeneity correction algorithms on conformal radiotherapy of lung tumours.
M. Engelsman
,
E. Damen
,
Phil W. Koken
,
Aart A. van ‘t Veld
,
K. M. V. Ingen
,
B. Mijnheer
Radiotherapy and Oncology
2001
Corpus ID: 26912017
Review
2000
Review
2000
Three-dimensional intensity-modulated radiotherapy in the treatment of nasopharyngeal carcinoma: the University of California-San Francisco experience.
K. Sultanem
,
H. Shu
,
+4 authors
K. Fu
International Journal of Radiation Oncology…
2000
Corpus ID: 40604380
Highly Cited
1996
Highly Cited
1996
Planning and delivering high doses to targets surrounding the spinal cord at the lower neck and upper mediastinal levels: static beam-segmentation technique executed with a multileaf collimator.
J. J. Schelfout
,
S. Derycke
,
+4 authors
W. D. Neve
Radiotherapy and Oncology
1996
Corpus ID: 29031084
Highly Cited
1995
Highly Cited
1995
Collimator scatter in photon therapy beams.
A. Ahnesjö
Medical Physics (Lancaster)
1995
Corpus ID: 42183906
A model for collimator photon scatter calculations is presented. The scatter from a collimating block is separated into two…
Expand
Highly Cited
1994
Highly Cited
1994
Analytic modeling of photon scatter from flattening filters in photon therapy beams.
A. Ahnesjö
Medical Physics (Lancaster)
1994
Corpus ID: 25080317
Analytic models for calculation of scatter distributions from flattening filters in therapy photon beams are presented. It is…
Expand
Highly Cited
1991
Highly Cited
1991
Dynamic field shaping to optimize stereotactic radiosurgery.
Dennis D. Leavitt
,
Frederic A. Gibbs
,
M. Heilbrun
,
J. Moeller
,
G. Takach
International Journal of Radiation Oncology…
1991
Corpus ID: 23571246
Highly Cited
1982
Highly Cited
1982
Analysis of SPECT including Scatter and Attenuation Using Sophisticated Monte Carlo Modeling Methods
J. W. Beck
,
R. Jaszczak
,
R. Coleman
,
C. Starmer
,
L. Nolte
IEEE Transactions on Nuclear Science
1982
Corpus ID: 44845774
The effects of scatter and attenuation on single photon emission computed tomography (SPECT) images can be analyzed with the aid…
Expand
Highly Cited
1978
Highly Cited
1978
A new method of multiplanar emission tomography using a seven pinhole collimator and an Anger scintillation camera.
R. Vogel
,
D. Kirch
,
M. Lefree
,
P. Steele
Journal of Nuclear Medicine
1978
Corpus ID: 21465012
A new method of multiplanar emission tomography is described; it uses a wide-field Anger scintillation camera (37.5 cm crystal…
Expand
By clicking accept or continuing to use the site, you agree to the terms outlined in our
Privacy Policy
(opens in a new tab)
,
Terms of Service
(opens in a new tab)
, and
Dataset License
(opens in a new tab)
ACCEPT & CONTINUE