SpekPy Web

built on SpekPy ver. 2.0.8

Filtration:
Material Thickness (mm)

This web application was created by Robert Vorbau in collaboration with Gavin Poludniowski and is made publicly available for research and educational purposes. The application uses the SpekPy V2 toolkit for the spectrum calculations and manipulations. SpekPy is freely available under the MIT open-source license; for more about the toolkit and models, see https://bitbucket.org/spekpy/spekpy_release.

We thank Karolinska Institutet and the Stockholm Medical Imaging Laboratory and Education (SMILE) for kindly hosting this web application.

Contact: spekpyweb@outlook.com

By clicking on the “Calculate” button in the user-interface of the application, the user is acknowledging the following.

Copyright (c) 2022 Robert Vorbau and Gavin Poludniowski.

THE SOFTWARE APPLICATION IS PROVIDED FOR USE "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Warning! Changes have been made to the input parameters.


Eff. energy
(keV)
HVL1
(mm)
HVL2
(mm)
HVL1 / HVL2
Al
Cu

Air kerma: µGy
Mean energy: keV

Calculate the additional thickness of a filtration required to reduce the air kerma to a given fraction.

Thickness:


Calculate the additional thickness of filtration required to achieve a given 1st half-value layer (HVL₁).

Filter thickness: