OAP swap (24th April 2024)
During the PAMM of the 24th of April 2024 we exchanged the focusing optic of the collider laser arm from a gold-coated off-axis parabola to a dielectric one. A summary of the procedure can be found here: Picnic Basket.
This is to evaluate the efficacy of this swap:
| Assumptions: | |
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| Laser pulse length | 48 fs FWHM |
| Energy post main amplifier | 600 mJ |
| Energy on target | 228 mJ |
Focal quality comparison before and after swap during PAMM
| Dataset E320_07259 | Focal scan during PAMM gold OAP (04/23/24) |
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| E320_07261 | Focal scan during PAMM dielectric OAP (04/25/24) |
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Focal quality comparing beamtime prior and post OAP swap
| E320_05518 | Focal scan beamtime gold OAP (02/18/24) |
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| E320_07492 | Focal scan beamtime dielectric OAP (05/01/2024) |
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