Calc: Add laser beam calculation sheet

Calculations/requirements.txt

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+aiohappyeyeballs==2.6.1
+aiohttp==3.12.13
+aiosignal==1.3.2
+asttokens==3.0.0
+attrs==25.3.0
+certifi==2025.6.15
+charset-normalizer==3.4.2
+comm==0.2.2
+contourpy==1.3.2
+cycler==0.12.1
+debugpy==1.8.14
+decorator==5.2.1
+executing==2.2.0
+fastjsonschema==2.21.1
+flexcache==0.3
+flexparser==0.4
+fonttools==4.58.4
+frozenlist==1.7.0
+idna==3.10
+imageio==2.37.0
+ipykernel==6.29.5
+ipython==9.3.0
+ipython_pygments_lexers==1.1.1
+ipywidgets==8.1.7
+jedi==0.19.2
+jsonschema==4.24.0
+jsonschema-specifications==2025.4.1
+jupyter_client==8.6.3
+jupyter_core==5.8.1
+jupyterlab_widgets==3.0.15
+kiwisolver==1.4.8
+magpylib==5.1.1
+matplotlib==3.10.3
+matplotlib-inline==0.1.7
+more-itertools==10.7.0
+msgpack==1.1.1
+multidict==6.5.0
+narwhals==1.43.1
+nbformat==5.10.4
+nest-asyncio==1.6.0
+numpy==2.3.1
+packaging==25.0
+parso==0.8.4
+pexpect==4.9.0
+pillow==11.2.1
+Pint==0.24.4
+platformdirs==4.3.8
+plotly==6.1.2
+pooch==1.8.2
+prompt_toolkit==3.0.51
+propcache==0.3.2
+psutil==7.0.0
+ptyprocess==0.7.0
+pure_eval==0.2.3
+Pygments==2.19.2
+pyparsing==3.2.3
+python-dateutil==2.9.0.post0
+pyvista==0.45.2
+PyYAML==6.0.2
+pyzmq==27.0.0
+referencing==0.36.2
+requests==2.32.4
+rpds-py==0.25.1
+scipy==1.16.0
+scooby==0.10.1
+six==1.17.0
+stack-data==0.6.3
+tornado==6.5.1
+traitlets==5.14.3
+trame==3.10.2
+trame-client==3.9.1
+trame-common==1.0.0
+trame-server==3.4.2
+trame-vtk==2.8.17
+trame-vuetify==3.0.1
+typing_extensions==4.14.0
+urllib3==2.5.0
+vtk==9.4.2
+wcwidth==0.2.13
+widgetsnbextension==4.0.14
+wslink==2.3.4
+yarl==1.20.1