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docs/schemes/pu/index.md

@@ -13,8 +13,9 @@
 
 ##Available Schemes
 
-|       Scheme link       | Lasers |                                     Reference(s)                                     |     Submitted by     |
-| ----------------------- | ------ | ------------------------------------------------------------------------------------ | -------------------- |
-| [Pu 1](../pu/pu-001.md) | Ti:Sa  | [Grüning et al. (2004)](https://doi.org/10.1016/j.ijms.2004.04.013){target="_blank"} | Reto Trappitsch      |
-| [Pu 2](../pu/pu-002.md) | Ti:Sa  |                                                                                      | Katerina Chrysalidis |
-| [Pu 3](../pu/pu-003.md) | Ti:Sa  | [Kneip et al. (2020)](https://doi.org/10.1007/s10751-020-01712-4){target="_blank"}   | Katerina Chrysalidis |
+|       Scheme link       | Lasers |                                          Reference(s)                                          |     Submitted by     |
+| ----------------------- | ------ | ---------------------------------------------------------------------------------------------- | -------------------- |
+| [Pu 1](../pu/pu-001.md) | Ti:Sa  | [Grüning et al. (2004)](https://doi.org/10.1016/j.ijms.2004.04.013){target="_blank"}           | Reto Trappitsch      |
+| [Pu 2](../pu/pu-002.md) | Ti:Sa  |                                                                                                | Katerina Chrysalidis |
+| [Pu 3](../pu/pu-003.md) | Ti:Sa  | [Kneip et al. (2020)](https://doi.org/10.1007/s10751-020-01712-4){target="_blank"}             | Katerina Chrysalidis |
+| [Pu 4](../pu/pu-004.md) | Ti:Sa  | [Galindo-Uribarri et al.  (2021)](https://doi.org/10.1038/s41598-021-01886-z){target="_blank"} | Felix Berg           |

docs/schemes/pu/pu-004.md

@@ -0,0 +1,48 @@
+# Pu scheme 4
+
+## Notes
+
+Three step excitation scheme for Pu-242 by Galindo-Uribarri et al. Berg et al. measured the isotope shifts for Pu-238, 239, 240, 244 for this scheme.
+
+
+
+## Scheme
+
+**Ionization Potential**: 48601.000 cm⁻¹ ([NIST ASD, 2024](https://www.nist.gov/pml/atomic-spectra-database))  
+**Lasers used**: Ti:Sa
+
+### Scheme table
+
+| Step |  λ (nm)   | From (cm⁻¹) |           Term            | To (cm⁻¹) |           Term            |
+| ---- | --------- | ----------- | ------------------------- | --------- | ------------------------- |
+| 1    | 420.770   | 0.00        | <sup>7</sup>F<sub>0</sub> | 23765.98  | <sup>7</sup>D<sub>1</sub> |
+| 2    | -865.450  | 23765.98    | <sup>7</sup>D<sub>1</sub> | 12211.30  |                           |
+| 3    | 24855.836 | 12211.30    |                           | 12613.62  |                           |
+
+
+### Scheme drawing
+
+![pu scheme, light mode](pu-004/pu-004-light.png#only-light)
+![pu scheme, dark mode](pu-004/pu-004-dark-web.png#only-dark)
+
+#### Download scheme drawing
+
+|                                            Light color                                            |                                           Dark color                                           |
+| ------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------- |
+| [PDF](pu-004/pu-004-light.pdf) , [PNG](pu-004/pu-004-light.png) , [SVG](pu-004/pu-004-light.svg)  | [PDF](pu-004/pu-004-dark.pdf) , [PNG](pu-004/pu-004-dark.png) , [SVG](pu-004/pu-004-dark.svg)  |
+
+
+## References
+
+  - [Galindo-Uribarri et al.  (2021)](https://doi.org/10.1038/s41598-021-01886-z){target="_blank"}
+
+  - [Berg et al. (2025)](https://doi.org/10.1007/s00216-025-06062-0){target="_blank"}
+
+  - [Get config file](https://github.com/RIMS-Code/rims-code.github.io/blob/main/db/pu-004.json)
+
+
+
+## Submitted by
+
+Felix Berg
+