What are the different types of ionization chamber?
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| Papers (17) | Insight |
|---|---|
19 Citations | These selectivities support current theories about ionization for the different techniques. |
| The study concludes that the results obtained with therapy level ionization chambers were extremely reproducible and in good agreement with the results of the well-type ionization chamber and source supplier quoted value. | |
14 Citations | The results obtained in the tests showed that the analyzed configuration of the CT ionization chamber is a good alternative for use in CT dosimetry, because it is easy to construct, and it presents a relatively low cost. |
21 Citations | This micro-ionization chamber method offers an immediate readout which is both accurate and reproducible. |
36 Citations | The model accounts for dosimetric charge loss (initial recombination, ionic diffusion, and general recombination) and nondosimetric charge multiplication in an ionization chamber, and suggests that charge multiplication plays a significant role under typical chamber operating conditions (300 V) used in radiation dosimetry. |
15 Citations | In addition, this ion chamber can function as a dual detector having both photoelectric and ionization detector responsivities |
| This difference between chamber types is most likely to be due to the design of the Markus chamber. | |
| The results show that the pencil ionization chamber can be used in several radiation beams other than those used in CT. | |
| The new ionization chamber was submitted to several characterization and quality control tests, showing its very good performance. | |
36 Citations | The reported miniaturized devices present ionization chamber volumes up to 50 times lower than commercially available devices and hold potential for faster analysis and lower detection limit. |
| Tests performed on the chamber following the International Electrotechnical Commission recommendations indicate that its performance characteristics are comparable to those expected from a secondary standard ionization chamber. | |
| All of these give us good experience for further improving the ionization chamber construction. | |
| The character of the primary ionization is found to have a clear effect on the chamber response even in the streamer region. | |
| These results indicate that the improved free-air ionization chamber can serve as a primary standard at the NRSL. | |
12 Citations | The results obtained showed that this new ionization chamber presented a satisfactory performance in all evaluated tests. |
129 Citations | Based on the experimental evidence obtained here, specification for a reference-class ionization chamber could be developed that would minimize the error in using a dosimetry protocol with calculated beam quality conversion factors. |
| Several tests were applied, and the results showed values better than the limits established by the international recommendations, except for the polarity effect test, but the response of the developed ionization chamber, for this test, is similar in relation to the response of other commercial ionization chambers from the literature. |
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