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Ba scheme 1

Notes

Wavelengths taken from Savina et al. (2003). Saturation curves measured on the CHILI instrument in 2014 by Reto Trappitsch.

The ionizing photon (883.472 nm) was simply a photon that was leftover in the original study from some other scheme. Adding more photons can lead to saturating the Ba signal. Another way of saturating the ionization transition is to use a 1064 nm photon.

Scheme

Ionization Potential: 42034.910 cm⁻¹ (NIST ASD, 2024)
Lasers used: Ti:Sa

Scheme table

Step λ (nm) From (cm⁻¹) Term To (cm⁻¹) Term
1 307.247 0.000 1S0 32547.104 1P1
2 883.472 32547.104 1P1 43866.082 AI

Scheme drawing

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Saturation curves

First transition (307.247 nm)

Approximate beam size: (1.5 x 1.5) mm.

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Ionizing transition (883.472 nm)

Approximate beam size: (1.5 x 1.5) mm.

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References

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Reto Trappitsch